diff options
Diffstat (limited to 'intern/gawain/src')
-rw-r--r-- | intern/gawain/src/gwn_attr_binding.c | 85 | ||||
-rw-r--r-- | intern/gawain/src/gwn_batch.c | 645 | ||||
-rw-r--r-- | intern/gawain/src/gwn_buffer_id.cpp | 89 | ||||
-rw-r--r-- | intern/gawain/src/gwn_element.c | 307 | ||||
-rw-r--r-- | intern/gawain/src/gwn_imm_util.c | 100 | ||||
-rw-r--r-- | intern/gawain/src/gwn_immediate.c | 863 | ||||
-rw-r--r-- | intern/gawain/src/gwn_primitive.c | 84 | ||||
-rw-r--r-- | intern/gawain/src/gwn_shader_interface.c | 361 | ||||
-rw-r--r-- | intern/gawain/src/gwn_vertex_array_id.cpp | 196 | ||||
-rw-r--r-- | intern/gawain/src/gwn_vertex_buffer.c | 268 | ||||
-rw-r--r-- | intern/gawain/src/gwn_vertex_format.c | 310 |
11 files changed, 0 insertions, 3308 deletions
diff --git a/intern/gawain/src/gwn_attr_binding.c b/intern/gawain/src/gwn_attr_binding.c deleted file mode 100644 index 727aceb0140..00000000000 --- a/intern/gawain/src/gwn_attr_binding.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_attr_binding.c - * \ingroup gpu - * - * Gawain vertex attribute binding - */ - -#include "gwn_attr_binding.h" -#include "gwn_attr_binding_private.h" -#include <stddef.h> -#include <stdlib.h> - -#if GWN_VERT_ATTR_MAX_LEN != 16 - #error "attrib binding code assumes GWN_VERT_ATTR_MAX_LEN = 16" -#endif - -void AttribBinding_clear(Gwn_AttrBinding* binding) -{ - binding->loc_bits = 0; - binding->enabled_bits = 0; -} - -uint read_attrib_location(const Gwn_AttrBinding* binding, uint a_idx) -{ -#if TRUST_NO_ONE - assert(a_idx < GWN_VERT_ATTR_MAX_LEN); - assert(binding->enabled_bits & (1 << a_idx)); -#endif - return (binding->loc_bits >> (4 * a_idx)) & 0xF; -} - -static void write_attrib_location(Gwn_AttrBinding* binding, uint a_idx, uint location) -{ -#if TRUST_NO_ONE - assert(a_idx < GWN_VERT_ATTR_MAX_LEN); - assert(location < GWN_VERT_ATTR_MAX_LEN); -#endif - const uint shift = 4 * a_idx; - const uint64_t mask = ((uint64_t)0xF) << shift; - /* overwrite this attrib's previous location */ - binding->loc_bits = (binding->loc_bits & ~mask) | (location << shift); - /* mark this attrib as enabled */ - binding->enabled_bits |= 1 << a_idx; -} - -void get_attrib_locations(const Gwn_VertFormat* format, Gwn_AttrBinding* binding, const Gwn_ShaderInterface* shaderface) -{ - AttribBinding_clear(binding); - - for (uint a_idx = 0; a_idx < format->attr_len; ++a_idx) { - const Gwn_VertAttr* a = format->attribs + a_idx; - for (uint n_idx = 0; n_idx < a->name_len; ++n_idx) { - const Gwn_ShaderInput* input = GWN_shaderinterface_attr(shaderface, a->name[n_idx]); -#if TRUST_NO_ONE - assert(input != NULL); - /* TODO: make this a recoverable runtime error? indicates mismatch between vertex format and program */ -#endif - write_attrib_location(binding, a_idx, input->location); - } - } -} diff --git a/intern/gawain/src/gwn_batch.c b/intern/gawain/src/gwn_batch.c deleted file mode 100644 index 5daf0e87aec..00000000000 --- a/intern/gawain/src/gwn_batch.c +++ /dev/null @@ -1,645 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_batch.c - * \ingroup gpu - * - * Gawain geometry batch - * Contains VAOs + VBOs + Shader representing a drawable entity. - */ - -#include "gwn_batch.h" -#include "gwn_batch_private.h" -#include "gwn_buffer_id.h" -#include "gwn_vertex_array_id.h" -#include "gwn_primitive_private.h" -#include <stdlib.h> -#include <string.h> - -/* necessary functions from matrix API */ -extern void GPU_matrix_bind(const Gwn_ShaderInterface* shaderface); - -static void batch_update_program_bindings(Gwn_Batch* batch, uint v_first); - -void gwn_batch_vao_cache_clear(Gwn_Batch* batch) -{ - if (batch->context == NULL) { - return; - } - if (batch->is_dynamic_vao_count) { - for (int i = 0; i < batch->dynamic_vaos.count; ++i) { - if (batch->dynamic_vaos.vao_ids[i]) { - GWN_vao_free(batch->dynamic_vaos.vao_ids[i], batch->context); - } - if (batch->dynamic_vaos.interfaces[i]) { - GWN_shaderinterface_remove_batch_ref((Gwn_ShaderInterface *)batch->dynamic_vaos.interfaces[i], batch); - } - } - free(batch->dynamic_vaos.interfaces); - free(batch->dynamic_vaos.vao_ids); - } - else { - for (int i = 0; i < GWN_BATCH_VAO_STATIC_LEN; ++i) { - if (batch->static_vaos.vao_ids[i]) { - GWN_vao_free(batch->static_vaos.vao_ids[i], batch->context); - } - if (batch->static_vaos.interfaces[i]) { - GWN_shaderinterface_remove_batch_ref((Gwn_ShaderInterface *)batch->static_vaos.interfaces[i], batch); - } - } - } - batch->is_dynamic_vao_count = false; - for (int i = 0; i < GWN_BATCH_VAO_STATIC_LEN; ++i) { - batch->static_vaos.vao_ids[i] = 0; - batch->static_vaos.interfaces[i] = NULL; - } - gwn_context_remove_batch(batch->context, batch); - batch->context = NULL; -} - -Gwn_Batch* GWN_batch_create_ex( - Gwn_PrimType prim_type, Gwn_VertBuf* verts, Gwn_IndexBuf* elem, - uint owns_flag) -{ - Gwn_Batch* batch = calloc(1, sizeof(Gwn_Batch)); - GWN_batch_init_ex(batch, prim_type, verts, elem, owns_flag); - return batch; -} - -void GWN_batch_init_ex( - Gwn_Batch* batch, Gwn_PrimType prim_type, Gwn_VertBuf* verts, Gwn_IndexBuf* elem, - uint owns_flag) -{ -#if TRUST_NO_ONE - assert(verts != NULL); -#endif - - batch->verts[0] = verts; - for (int v = 1; v < GWN_BATCH_VBO_MAX_LEN; ++v) { - batch->verts[v] = NULL; - } - batch->inst = NULL; - batch->elem = elem; - batch->gl_prim_type = convert_prim_type_to_gl(prim_type); - batch->phase = GWN_BATCH_READY_TO_DRAW; - batch->is_dynamic_vao_count = false; - batch->owns_flag = owns_flag; - batch->free_callback = NULL; -} - -/* This will share the VBOs with the new batch. */ -Gwn_Batch* GWN_batch_duplicate(Gwn_Batch* batch_src) -{ - Gwn_Batch* batch = GWN_batch_create_ex(GWN_PRIM_POINTS, batch_src->verts[0], batch_src->elem, 0); - - batch->gl_prim_type = batch_src->gl_prim_type; - for (int v = 1; v < GWN_BATCH_VBO_MAX_LEN; ++v) { - batch->verts[v] = batch_src->verts[v]; - } - return batch; -} - -void GWN_batch_discard(Gwn_Batch* batch) -{ - if (batch->owns_flag & GWN_BATCH_OWNS_INDEX) { - GWN_indexbuf_discard(batch->elem); - } - if (batch->owns_flag & GWN_BATCH_OWNS_INSTANCES) { - GWN_vertbuf_discard(batch->inst); - } - if ((batch->owns_flag & ~GWN_BATCH_OWNS_INDEX) != 0) { - for (int v = 0; v < GWN_BATCH_VBO_MAX_LEN; ++v) { - if (batch->verts[v] == NULL) { - break; - } - if (batch->owns_flag & (1 << v)) { - GWN_vertbuf_discard(batch->verts[v]); - } - } - } - gwn_batch_vao_cache_clear(batch); - - if (batch->free_callback) { - batch->free_callback(batch, batch->callback_data); - } - free(batch); -} - -void GWN_batch_callback_free_set(Gwn_Batch* batch, void (*callback)(Gwn_Batch*, void*), void* user_data) -{ - batch->free_callback = callback; - batch->callback_data = user_data; -} - -void GWN_batch_instbuf_set(Gwn_Batch* batch, Gwn_VertBuf* inst, bool own_vbo) -{ -#if TRUST_NO_ONE - assert(inst != NULL); -#endif - /* redo the bindings */ - gwn_batch_vao_cache_clear(batch); - - if (batch->inst != NULL && (batch->owns_flag & GWN_BATCH_OWNS_INSTANCES)) { - GWN_vertbuf_discard(batch->inst); - } - batch->inst = inst; - - if (own_vbo) { - batch->owns_flag |= GWN_BATCH_OWNS_INSTANCES; - } - else { - batch->owns_flag &= ~GWN_BATCH_OWNS_INSTANCES; - } -} - -/* Returns the index of verts in the batch. */ -int GWN_batch_vertbuf_add_ex( - Gwn_Batch* batch, Gwn_VertBuf* verts, - bool own_vbo) -{ - /* redo the bindings */ - gwn_batch_vao_cache_clear(batch); - - for (uint v = 0; v < GWN_BATCH_VBO_MAX_LEN; ++v) { - if (batch->verts[v] == NULL) { -#if TRUST_NO_ONE - /* for now all VertexBuffers must have same vertex_len */ - assert(verts->vertex_len == batch->verts[0]->vertex_len); -#endif - batch->verts[v] = verts; - /* TODO: mark dirty so we can keep attrib bindings up-to-date */ - if (own_vbo) - batch->owns_flag |= (1 << v); - return v; - } - } - - /* we only make it this far if there is no room for another Gwn_VertBuf */ -#if TRUST_NO_ONE - assert(false); -#endif - return -1; -} - -static GLuint batch_vao_get(Gwn_Batch *batch) -{ - /* Search through cache */ - if (batch->is_dynamic_vao_count) { - for (int i = 0; i < batch->dynamic_vaos.count; ++i) - if (batch->dynamic_vaos.interfaces[i] == batch->interface) - return batch->dynamic_vaos.vao_ids[i]; - } - else { - for (int i = 0; i < GWN_BATCH_VAO_STATIC_LEN; ++i) - if (batch->static_vaos.interfaces[i] == batch->interface) - return batch->static_vaos.vao_ids[i]; - } - - /* Set context of this batch. - * It will be bound to it until gwn_batch_vao_cache_clear is called. - * Until then it can only be drawn with this context. */ - if (batch->context == NULL) { - batch->context = GWN_context_active_get(); - gwn_context_add_batch(batch->context, batch); - } -#if TRUST_NO_ONE - else { - /* Make sure you are not trying to draw this batch in another context. */ - assert(batch->context == GWN_context_active_get()); - } -#endif - - /* Cache miss, time to add a new entry! */ - GLuint new_vao = 0; - if (!batch->is_dynamic_vao_count) { - int i; /* find first unused slot */ - for (i = 0; i < GWN_BATCH_VAO_STATIC_LEN; ++i) - if (batch->static_vaos.vao_ids[i] == 0) - break; - - if (i < GWN_BATCH_VAO_STATIC_LEN) { - batch->static_vaos.interfaces[i] = batch->interface; - batch->static_vaos.vao_ids[i] = new_vao = GWN_vao_alloc(); - } - else { - /* Not enough place switch to dynamic. */ - batch->is_dynamic_vao_count = true; - /* Erase previous entries, they will be added back if drawn again. */ - for (int j = 0; j < GWN_BATCH_VAO_STATIC_LEN; ++j) { - GWN_shaderinterface_remove_batch_ref((Gwn_ShaderInterface*)batch->static_vaos.interfaces[j], batch); - GWN_vao_free(batch->static_vaos.vao_ids[j], batch->context); - } - /* Init dynamic arrays and let the branch below set the values. */ - batch->dynamic_vaos.count = GWN_BATCH_VAO_DYN_ALLOC_COUNT; - batch->dynamic_vaos.interfaces = calloc(batch->dynamic_vaos.count, sizeof(Gwn_ShaderInterface*)); - batch->dynamic_vaos.vao_ids = calloc(batch->dynamic_vaos.count, sizeof(GLuint)); - } - } - - if (batch->is_dynamic_vao_count) { - int i; /* find first unused slot */ - for (i = 0; i < batch->dynamic_vaos.count; ++i) - if (batch->dynamic_vaos.vao_ids[i] == 0) - break; - - if (i == batch->dynamic_vaos.count) { - /* Not enough place, realloc the array. */ - i = batch->dynamic_vaos.count; - batch->dynamic_vaos.count += GWN_BATCH_VAO_DYN_ALLOC_COUNT; - batch->dynamic_vaos.interfaces = realloc(batch->dynamic_vaos.interfaces, sizeof(Gwn_ShaderInterface*) * batch->dynamic_vaos.count); - batch->dynamic_vaos.vao_ids = realloc(batch->dynamic_vaos.vao_ids, sizeof(GLuint) * batch->dynamic_vaos.count); - memset(batch->dynamic_vaos.interfaces + i, 0, sizeof(Gwn_ShaderInterface*) * GWN_BATCH_VAO_DYN_ALLOC_COUNT); - memset(batch->dynamic_vaos.vao_ids + i, 0, sizeof(GLuint) * GWN_BATCH_VAO_DYN_ALLOC_COUNT); - } - batch->dynamic_vaos.interfaces[i] = batch->interface; - batch->dynamic_vaos.vao_ids[i] = new_vao = GWN_vao_alloc(); - } - - GWN_shaderinterface_add_batch_ref((Gwn_ShaderInterface*)batch->interface, batch); - -#if TRUST_NO_ONE - assert(new_vao != 0); -#endif - - /* We just got a fresh VAO we need to initialize it. */ - glBindVertexArray(new_vao); - batch_update_program_bindings(batch, 0); - glBindVertexArray(0); - - return new_vao; -} - -void GWN_batch_program_set_no_use(Gwn_Batch* batch, uint32_t program, const Gwn_ShaderInterface* shaderface) -{ -#if TRUST_NO_ONE - assert(glIsProgram(shaderface->program)); - assert(batch->program_in_use == 0); -#endif - batch->interface = shaderface; - batch->program = program; - batch->vao_id = batch_vao_get(batch); -} - -void GWN_batch_program_set(Gwn_Batch* batch, uint32_t program, const Gwn_ShaderInterface* shaderface) -{ - GWN_batch_program_set_no_use(batch, program, shaderface); - GWN_batch_program_use_begin(batch); /* hack! to make Batch_Uniform* simpler */ -} - -void gwn_batch_remove_interface_ref(Gwn_Batch* batch, const Gwn_ShaderInterface* interface) -{ - if (batch->is_dynamic_vao_count) { - for (int i = 0; i < batch->dynamic_vaos.count; ++i) { - if (batch->dynamic_vaos.interfaces[i] == interface) { - GWN_vao_free(batch->dynamic_vaos.vao_ids[i], batch->context); - batch->dynamic_vaos.vao_ids[i] = 0; - batch->dynamic_vaos.interfaces[i] = NULL; - break; /* cannot have duplicates */ - } - } - } - else { - int i; - for (i = 0; i < GWN_BATCH_VAO_STATIC_LEN; ++i) { - if (batch->static_vaos.interfaces[i] == interface) { - GWN_vao_free(batch->static_vaos.vao_ids[i], batch->context); - batch->static_vaos.vao_ids[i] = 0; - batch->static_vaos.interfaces[i] = NULL; - break; /* cannot have duplicates */ - } - } - } -} - -static void create_bindings( - Gwn_VertBuf* verts, const Gwn_ShaderInterface* interface, - uint v_first, const bool use_instancing) -{ - const Gwn_VertFormat* format = &verts->format; - - const uint attr_len = format->attr_len; - const uint stride = format->stride; - - GWN_vertbuf_use(verts); - - for (uint a_idx = 0; a_idx < attr_len; ++a_idx) { - const Gwn_VertAttr* a = format->attribs + a_idx; - const GLvoid* pointer = (const GLubyte*)0 + a->offset + v_first * stride; - - for (uint n_idx = 0; n_idx < a->name_len; ++n_idx) { - const Gwn_ShaderInput* input = GWN_shaderinterface_attr(interface, a->name[n_idx]); - - if (input == NULL) continue; - - if (a->comp_len == 16 || a->comp_len == 12 || a->comp_len == 8) { -#if TRUST_NO_ONE - assert(a->fetch_mode == GWN_FETCH_FLOAT); - assert(a->gl_comp_type == GL_FLOAT); -#endif - for (int i = 0; i < a->comp_len / 4; ++i) { - glEnableVertexAttribArray(input->location + i); - glVertexAttribDivisor(input->location + i, (use_instancing) ? 1 : 0); - glVertexAttribPointer(input->location + i, 4, a->gl_comp_type, GL_FALSE, stride, - (const GLubyte*)pointer + i * 16); - } - } - else - { - glEnableVertexAttribArray(input->location); - glVertexAttribDivisor(input->location, (use_instancing) ? 1 : 0); - - switch (a->fetch_mode) { - case GWN_FETCH_FLOAT: - case GWN_FETCH_INT_TO_FLOAT: - glVertexAttribPointer(input->location, a->comp_len, a->gl_comp_type, GL_FALSE, stride, pointer); - break; - case GWN_FETCH_INT_TO_FLOAT_UNIT: - glVertexAttribPointer(input->location, a->comp_len, a->gl_comp_type, GL_TRUE, stride, pointer); - break; - case GWN_FETCH_INT: - glVertexAttribIPointer(input->location, a->comp_len, a->gl_comp_type, stride, pointer); - break; - } - } - } - } -} - -static void batch_update_program_bindings(Gwn_Batch* batch, uint v_first) -{ - for (int v = 0; v < GWN_BATCH_VBO_MAX_LEN && batch->verts[v] != NULL; ++v) { - create_bindings(batch->verts[v], batch->interface, (batch->inst) ? 0 : v_first, false); - } - if (batch->inst) { - create_bindings(batch->inst, batch->interface, v_first, true); - } - if (batch->elem) { - GWN_indexbuf_use(batch->elem); - } -} - -void GWN_batch_program_use_begin(Gwn_Batch* batch) -{ - /* NOTE: use_program & done_using_program are fragile, depend on staying in sync with - * the GL context's active program. use_program doesn't mark other programs as "not used". */ - /* TODO: make not fragile (somehow) */ - - if (!batch->program_in_use) { - glUseProgram(batch->program); - batch->program_in_use = true; - } -} - -void GWN_batch_program_use_end(Gwn_Batch* batch) -{ - if (batch->program_in_use) { -#if PROGRAM_NO_OPTI - glUseProgram(0); -#endif - batch->program_in_use = false; - } -} - -#if TRUST_NO_ONE - #define GET_UNIFORM const Gwn_ShaderInput* uniform = GWN_shaderinterface_uniform(batch->interface, name); assert(uniform); -#else - #define GET_UNIFORM const Gwn_ShaderInput* uniform = GWN_shaderinterface_uniform(batch->interface, name); -#endif - -void GWN_batch_uniform_1ui(Gwn_Batch* batch, const char* name, int value) -{ - GET_UNIFORM - glUniform1ui(uniform->location, value); -} - -void GWN_batch_uniform_1i(Gwn_Batch* batch, const char* name, int value) -{ - GET_UNIFORM - glUniform1i(uniform->location, value); -} - -void GWN_batch_uniform_1b(Gwn_Batch* batch, const char* name, bool value) -{ - GET_UNIFORM - glUniform1i(uniform->location, value ? GL_TRUE : GL_FALSE); -} - -void GWN_batch_uniform_2f(Gwn_Batch* batch, const char* name, float x, float y) -{ - GET_UNIFORM - glUniform2f(uniform->location, x, y); -} - -void GWN_batch_uniform_3f(Gwn_Batch* batch, const char* name, float x, float y, float z) -{ - GET_UNIFORM - glUniform3f(uniform->location, x, y, z); -} - -void GWN_batch_uniform_4f(Gwn_Batch* batch, const char* name, float x, float y, float z, float w) -{ - GET_UNIFORM - glUniform4f(uniform->location, x, y, z, w); -} - -void GWN_batch_uniform_1f(Gwn_Batch* batch, const char* name, float x) -{ - GET_UNIFORM - glUniform1f(uniform->location, x); -} - -void GWN_batch_uniform_2fv(Gwn_Batch* batch, const char* name, const float data[2]) -{ - GET_UNIFORM - glUniform2fv(uniform->location, 1, data); -} - -void GWN_batch_uniform_3fv(Gwn_Batch* batch, const char* name, const float data[3]) -{ - GET_UNIFORM - glUniform3fv(uniform->location, 1, data); -} - -void GWN_batch_uniform_4fv(Gwn_Batch* batch, const char* name, const float data[4]) -{ - GET_UNIFORM - glUniform4fv(uniform->location, 1, data); -} - -void GWN_batch_uniform_2fv_array(Gwn_Batch* batch, const char* name, const int len, const float *data) -{ - GET_UNIFORM - glUniform2fv(uniform->location, len, data); -} - -void GWN_batch_uniform_4fv_array(Gwn_Batch* batch, const char* name, const int len, const float *data) -{ - GET_UNIFORM - glUniform4fv(uniform->location, len, data); -} - -void GWN_batch_uniform_mat4(Gwn_Batch* batch, const char* name, const float data[4][4]) -{ - GET_UNIFORM - glUniformMatrix4fv(uniform->location, 1, GL_FALSE, (const float *)data); -} - -static void primitive_restart_enable(const Gwn_IndexBuf *el) -{ - // TODO(fclem) Replace by GL_PRIMITIVE_RESTART_FIXED_INDEX when we have ogl 4.3 - glEnable(GL_PRIMITIVE_RESTART); - GLuint restart_index = (GLuint)0xFFFFFFFF; - -#if GWN_TRACK_INDEX_RANGE - if (el->index_type == GWN_INDEX_U8) - restart_index = (GLuint)0xFF; - else if (el->index_type == GWN_INDEX_U16) - restart_index = (GLuint)0xFFFF; -#endif - - glPrimitiveRestartIndex(restart_index); -} - -static void primitive_restart_disable(void) -{ - glDisable(GL_PRIMITIVE_RESTART); -} - -void GWN_batch_draw(Gwn_Batch* batch) -{ -#if TRUST_NO_ONE - assert(batch->phase == GWN_BATCH_READY_TO_DRAW); - assert(batch->verts[0]->vbo_id != 0); -#endif - GWN_batch_program_use_begin(batch); - GPU_matrix_bind(batch->interface); // external call. - - GWN_batch_draw_range_ex(batch, 0, 0, false); - - GWN_batch_program_use_end(batch); -} - -void GWN_batch_draw_range_ex(Gwn_Batch* batch, int v_first, int v_count, bool force_instance) -{ -#if TRUST_NO_ONE - assert(!(force_instance && (batch->inst == NULL)) || v_count > 0); // we cannot infer length if force_instance -#endif - const bool do_instance = (force_instance || batch->inst); - - // If using offset drawing, use the default VAO and redo bindings. - if (v_first != 0 && (do_instance || batch->elem)) { - glBindVertexArray(GWN_vao_default()); - batch_update_program_bindings(batch, v_first); - } - else { - glBindVertexArray(batch->vao_id); - } - - if (do_instance) { - /* Infer length if vertex count is not given */ - if (v_count == 0) { - v_count = batch->inst->vertex_len; - } - - if (batch->elem) { - const Gwn_IndexBuf* el = batch->elem; - - if (el->use_prim_restart) { - primitive_restart_enable(el); - } -#if GWN_TRACK_INDEX_RANGE - glDrawElementsInstancedBaseVertex(batch->gl_prim_type, - el->index_len, - el->gl_index_type, - 0, - v_count, - el->base_index); -#else - glDrawElementsInstanced(batch->gl_prim_type, el->index_len, GL_UNSIGNED_INT, 0, v_count); -#endif - if (el->use_prim_restart) { - primitive_restart_disable(); - } - } - else { - glDrawArraysInstanced(batch->gl_prim_type, 0, batch->verts[0]->vertex_len, v_count); - } - } - else { - /* Infer length if vertex count is not given */ - if (v_count == 0) { - v_count = (batch->elem) ? batch->elem->index_len : batch->verts[0]->vertex_len; - } - - if (batch->elem) { - const Gwn_IndexBuf* el = batch->elem; - - if (el->use_prim_restart) { - primitive_restart_enable(el); - } - -#if GWN_TRACK_INDEX_RANGE - if (el->base_index) { - glDrawRangeElementsBaseVertex(batch->gl_prim_type, - el->min_index, - el->max_index, - v_count, - el->gl_index_type, - 0, - el->base_index); - } - else { - glDrawRangeElements(batch->gl_prim_type, el->min_index, el->max_index, v_count, el->gl_index_type, 0); - } -#else - glDrawElements(batch->gl_prim_type, v_count, GL_UNSIGNED_INT, 0); -#endif - if (el->use_prim_restart) { - primitive_restart_disable(); - } - } - else { - glDrawArrays(batch->gl_prim_type, v_first, v_count); - } - } - - /* Performance hog if you are drawing with the same vao multiple time. - * Only activate for debugging. */ - // glBindVertexArray(0); -} - -/* just draw some vertices and let shader place them where we want. */ -void GWN_draw_primitive(Gwn_PrimType prim_type, int v_count) - { - /* we cannot draw without vao ... annoying ... */ - glBindVertexArray(GWN_vao_default()); - - GLenum type = convert_prim_type_to_gl(prim_type); - glDrawArrays(type, 0, v_count); - - /* Performance hog if you are drawing with the same vao multiple time. - * Only activate for debugging.*/ - // glBindVertexArray(0); - } diff --git a/intern/gawain/src/gwn_buffer_id.cpp b/intern/gawain/src/gwn_buffer_id.cpp deleted file mode 100644 index 2c267682f65..00000000000 --- a/intern/gawain/src/gwn_buffer_id.cpp +++ /dev/null @@ -1,89 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_buffer_id.cpp - * \ingroup gpu - * - * Gawain buffer IDs - */ - -#include "gwn_buffer_id.h" -#include <mutex> -#include <vector> - -#define ORPHAN_DEBUG 0 - -#if ORPHAN_DEBUG - #include <cstdio> -#endif - -static std::vector<GLuint> orphaned_buffer_ids; - -static std::mutex orphan_mutex; - -extern "C" { -extern int BLI_thread_is_main(void); /* Blender-specific function */ -} - -static bool thread_is_main() -{ - /* "main" here means the GL context's thread */ - return BLI_thread_is_main(); -} - -GLuint GWN_buf_id_alloc() -{ - /* delete orphaned IDs */ - orphan_mutex.lock(); - if (!orphaned_buffer_ids.empty()) { - const auto orphaned_buffer_len = (uint)orphaned_buffer_ids.size(); -#if ORPHAN_DEBUG - printf("deleting %u orphaned VBO%s\n", orphaned_buffer_len, orphaned_buffer_len == 1 ? "" : "s"); -#endif - glDeleteBuffers(orphaned_buffer_len, orphaned_buffer_ids.data()); - orphaned_buffer_ids.clear(); - } - orphan_mutex.unlock(); - - GLuint new_buffer_id = 0; - glGenBuffers(1, &new_buffer_id); - return new_buffer_id; -} - -void GWN_buf_id_free(GLuint buffer_id) -{ - if (thread_is_main()) { - glDeleteBuffers(1, &buffer_id); - } - else { - /* add this ID to the orphaned list */ - orphan_mutex.lock(); -#if ORPHAN_DEBUG - printf("orphaning VBO %u\n", buffer_id); -#endif - orphaned_buffer_ids.emplace_back(buffer_id); - orphan_mutex.unlock(); - } -} diff --git a/intern/gawain/src/gwn_element.c b/intern/gawain/src/gwn_element.c deleted file mode 100644 index a8c99f20860..00000000000 --- a/intern/gawain/src/gwn_element.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_element.c - * \ingroup gpu - * - * Gawain element list (AKA index buffer) - */ - -#include "gwn_element.h" -#include "gwn_buffer_id.h" -#include <stdlib.h> - -#define KEEP_SINGLE_COPY 1 - -static GLenum convert_index_type_to_gl(Gwn_IndexBufType type) -{ - static const GLenum table[] = { - [GWN_INDEX_U8] = GL_UNSIGNED_BYTE, /* GL has this, Vulkan does not */ - [GWN_INDEX_U16] = GL_UNSIGNED_SHORT, - [GWN_INDEX_U32] = GL_UNSIGNED_INT - }; - return table[type]; -} - -uint GWN_indexbuf_size_get(const Gwn_IndexBuf* elem) -{ -#if GWN_TRACK_INDEX_RANGE - static const uint table[] = { - [GWN_INDEX_U8] = sizeof(GLubyte), /* GL has this, Vulkan does not */ - [GWN_INDEX_U16] = sizeof(GLushort), - [GWN_INDEX_U32] = sizeof(GLuint) - }; - return elem->index_len * table[elem->index_type]; -#else - return elem->index_len * sizeof(GLuint); -#endif -} - -void GWN_indexbuf_init_ex( - Gwn_IndexBufBuilder* builder, Gwn_PrimType prim_type, - uint index_len, uint vertex_len, bool use_prim_restart) -{ - builder->use_prim_restart = use_prim_restart; - builder->max_allowed_index = vertex_len - 1; - builder->max_index_len = index_len; - builder->index_len = 0; // start empty - builder->prim_type = prim_type; - builder->data = calloc(builder->max_index_len, sizeof(uint)); -} - -void GWN_indexbuf_init(Gwn_IndexBufBuilder* builder, Gwn_PrimType prim_type, uint prim_len, uint vertex_len) -{ - uint verts_per_prim = 0; - switch (prim_type) { - case GWN_PRIM_POINTS: - verts_per_prim = 1; - break; - case GWN_PRIM_LINES: - verts_per_prim = 2; - break; - case GWN_PRIM_TRIS: - verts_per_prim = 3; - break; - case GWN_PRIM_LINES_ADJ: - verts_per_prim = 4; - break; - default: -#if TRUST_NO_ONE - assert(false); -#endif - return; - } - - GWN_indexbuf_init_ex(builder, prim_type, prim_len * verts_per_prim, vertex_len, false); -} - -void GWN_indexbuf_add_generic_vert(Gwn_IndexBufBuilder* builder, uint v) -{ -#if TRUST_NO_ONE - assert(builder->data != NULL); - assert(builder->index_len < builder->max_index_len); - assert(v <= builder->max_allowed_index); -#endif - builder->data[builder->index_len++] = v; -} - -void GWN_indexbuf_add_primitive_restart(Gwn_IndexBufBuilder* builder) -{ -#if TRUST_NO_ONE - assert(builder->data != NULL); - assert(builder->index_len < builder->max_index_len); - assert(builder->use_prim_restart); -#endif - builder->data[builder->index_len++] = GWN_PRIM_RESTART; -} - -void GWN_indexbuf_add_point_vert(Gwn_IndexBufBuilder* builder, uint v) -{ -#if TRUST_NO_ONE - assert(builder->prim_type == GWN_PRIM_POINTS); -#endif - GWN_indexbuf_add_generic_vert(builder, v); -} - -void GWN_indexbuf_add_line_verts(Gwn_IndexBufBuilder* builder, uint v1, uint v2) -{ -#if TRUST_NO_ONE - assert(builder->prim_type == GWN_PRIM_LINES); - assert(v1 != v2); -#endif - GWN_indexbuf_add_generic_vert(builder, v1); - GWN_indexbuf_add_generic_vert(builder, v2); -} - -void GWN_indexbuf_add_tri_verts(Gwn_IndexBufBuilder* builder, uint v1, uint v2, uint v3) -{ -#if TRUST_NO_ONE - assert(builder->prim_type == GWN_PRIM_TRIS); - assert(v1 != v2 && v2 != v3 && v3 != v1); -#endif - GWN_indexbuf_add_generic_vert(builder, v1); - GWN_indexbuf_add_generic_vert(builder, v2); - GWN_indexbuf_add_generic_vert(builder, v3); -} - -void GWN_indexbuf_add_line_adj_verts(Gwn_IndexBufBuilder* builder, uint v1, uint v2, uint v3, uint v4) -{ -#if TRUST_NO_ONE - assert(builder->prim_type == GWN_PRIM_LINES_ADJ); - assert(v2 != v3); /* only the line need diff indices */ -#endif - GWN_indexbuf_add_generic_vert(builder, v1); - GWN_indexbuf_add_generic_vert(builder, v2); - GWN_indexbuf_add_generic_vert(builder, v3); - GWN_indexbuf_add_generic_vert(builder, v4); -} - -#if GWN_TRACK_INDEX_RANGE -/* Everything remains 32 bit while building to keep things simple. - * Find min/max after, then convert to smallest index type possible. */ - -static uint index_range(const uint values[], uint value_len, uint* min_out, uint* max_out) -{ - if (value_len == 0) { - *min_out = 0; - *max_out = 0; - return 0; - } - uint min_value = values[0]; - uint max_value = values[0]; - for (uint i = 1; i < value_len; ++i) { - const uint value = values[i]; - if (value == GWN_PRIM_RESTART) - continue; - else if (value < min_value) - min_value = value; - else if (value > max_value) - max_value = value; - } - *min_out = min_value; - *max_out = max_value; - return max_value - min_value; -} - -static void squeeze_indices_byte(Gwn_IndexBufBuilder *builder, Gwn_IndexBuf* elem) -{ - const uint *values = builder->data; - const uint index_len = elem->index_len; - - /* data will never be *larger* than builder->data... - * converting in place to avoid extra allocation */ - GLubyte *data = (GLubyte *)builder->data; - - if (elem->max_index > 0xFF) { - const uint base = elem->min_index; - elem->base_index = base; - elem->min_index = 0; - elem->max_index -= base; - for (uint i = 0; i < index_len; ++i) { - data[i] = (values[i] == GWN_PRIM_RESTART) ? 0xFF : (GLubyte)(values[i] - base); - } - } - else { - elem->base_index = 0; - for (uint i = 0; i < index_len; ++i) { - data[i] = (GLubyte)(values[i]); - } - } -} - -static void squeeze_indices_short(Gwn_IndexBufBuilder *builder, Gwn_IndexBuf* elem) -{ - const uint *values = builder->data; - const uint index_len = elem->index_len; - - /* data will never be *larger* than builder->data... - * converting in place to avoid extra allocation */ - GLushort *data = (GLushort *)builder->data; - - if (elem->max_index > 0xFFFF) { - const uint base = elem->min_index; - elem->base_index = base; - elem->min_index = 0; - elem->max_index -= base; - for (uint i = 0; i < index_len; ++i) { - data[i] = (values[i] == GWN_PRIM_RESTART) ? 0xFFFF : (GLushort)(values[i] - base); - } - } - else { - elem->base_index = 0; - for (uint i = 0; i < index_len; ++i) { - data[i] = (GLushort)(values[i]); - } - } -} - -#endif /* GWN_TRACK_INDEX_RANGE */ - -Gwn_IndexBuf* GWN_indexbuf_build(Gwn_IndexBufBuilder* builder) -{ - Gwn_IndexBuf* elem = calloc(1, sizeof(Gwn_IndexBuf)); - GWN_indexbuf_build_in_place(builder, elem); - return elem; -} - -void GWN_indexbuf_build_in_place(Gwn_IndexBufBuilder* builder, Gwn_IndexBuf* elem) -{ -#if TRUST_NO_ONE - assert(builder->data != NULL); -#endif - elem->index_len = builder->index_len; - elem->use_prim_restart = builder->use_prim_restart; - -#if GWN_TRACK_INDEX_RANGE - uint range = index_range(builder->data, builder->index_len, &elem->min_index, &elem->max_index); - - /* count the primitive restart index. */ - if (elem->use_prim_restart) { - range += 1; - } - - if (range <= 0xFF) { - elem->index_type = GWN_INDEX_U8; - squeeze_indices_byte(builder, elem); - } - else if (range <= 0xFFFF) { - elem->index_type = GWN_INDEX_U16; - squeeze_indices_short(builder, elem); - } - else { - elem->index_type = GWN_INDEX_U32; - elem->base_index = 0; - } - elem->gl_index_type = convert_index_type_to_gl(elem->index_type); -#endif - - if (elem->vbo_id == 0) { - elem->vbo_id = GWN_buf_id_alloc(); - } - /* send data to GPU */ - /* GL_ELEMENT_ARRAY_BUFFER changes the state of the last VAO bound, - * so we use the GL_ARRAY_BUFFER here to create a buffer without - * interfering in the VAO state. */ - glBindBuffer(GL_ARRAY_BUFFER, elem->vbo_id); - glBufferData(GL_ARRAY_BUFFER, GWN_indexbuf_size_get(elem), builder->data, GL_STATIC_DRAW); - - /* discard builder (one-time use) */ - free(builder->data); - builder->data = NULL; - /* other fields are safe to leave */ -} - -void GWN_indexbuf_use(Gwn_IndexBuf* elem) -{ - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elem->vbo_id); -} - -void GWN_indexbuf_discard(Gwn_IndexBuf* elem) -{ - if (elem->vbo_id) { - GWN_buf_id_free(elem->vbo_id); - } - free(elem); -} diff --git a/intern/gawain/src/gwn_imm_util.c b/intern/gawain/src/gwn_imm_util.c deleted file mode 100644 index cdf55c3dfc4..00000000000 --- a/intern/gawain/src/gwn_imm_util.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_imm_util.c - * \ingroup gpu - * - * Gawain immediate mode drawing utilities - */ - -#include "gwn_imm_util.h" -#include "gwn_immediate.h" -#include <stdlib.h> - -void immRectf(uint pos, float x1, float y1, float x2, float y2) -{ - immBegin(GWN_PRIM_TRI_FAN, 4); - immVertex2f(pos, x1, y1); - immVertex2f(pos, x2, y1); - immVertex2f(pos, x2, y2); - immVertex2f(pos, x1, y2); - immEnd(); -} - -void immRecti(uint pos, int x1, int y1, int x2, int y2) -{ - immBegin(GWN_PRIM_TRI_FAN, 4); - immVertex2i(pos, x1, y1); - immVertex2i(pos, x2, y1); - immVertex2i(pos, x2, y2); - immVertex2i(pos, x1, y2); - immEnd(); -} - -void immRectf_fast_with_color(uint pos, uint col, float x1, float y1, float x2, float y2, const float color[4]) -{ - immAttrib4fv(col, color); - immVertex2f(pos, x1, y1); - immAttrib4fv(col, color); - immVertex2f(pos, x2, y1); - immAttrib4fv(col, color); - immVertex2f(pos, x2, y2); - - immAttrib4fv(col, color); - immVertex2f(pos, x1, y1); - immAttrib4fv(col, color); - immVertex2f(pos, x2, y2); - immAttrib4fv(col, color); - immVertex2f(pos, x1, y2); -} - -void immRecti_fast_with_color(uint pos, uint col, int x1, int y1, int x2, int y2, const float color[4]) -{ - immAttrib4fv(col, color); - immVertex2i(pos, x1, y1); - immAttrib4fv(col, color); - immVertex2i(pos, x2, y1); - immAttrib4fv(col, color); - immVertex2i(pos, x2, y2); - - immAttrib4fv(col, color); - immVertex2i(pos, x1, y1); - immAttrib4fv(col, color); - immVertex2i(pos, x2, y2); - immAttrib4fv(col, color); - immVertex2i(pos, x1, y2); -} - -#if 0 /* more complete version in case we want that */ -void immRecti_complete(int x1, int y1, int x2, int y2, const float color[4]) -{ - Gwn_VertFormat *format = immVertexFormat(); - uint pos = add_attrib(format, "pos", GWN_COMP_I32, 2, GWN_FETCH_INT_TO_FLOAT); - immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR); - immUniformColor4fv(color); - immRecti(pos, x1, y1, x2, y2); - immUnbindProgram(); -} -#endif diff --git a/intern/gawain/src/gwn_immediate.c b/intern/gawain/src/gwn_immediate.c deleted file mode 100644 index 442aa85ece4..00000000000 --- a/intern/gawain/src/gwn_immediate.c +++ /dev/null @@ -1,863 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_immediate.c - * \ingroup gpu - * - * Gawain immediate mode work-alike - */ - -#include "gwn_immediate.h" -#include "gwn_buffer_id.h" -#include "gwn_attr_binding.h" -#include "gwn_attr_binding_private.h" -#include "gwn_vertex_format_private.h" -#include "gwn_vertex_array_id.h" -#include "gwn_primitive_private.h" -#include <string.h> -#include <stdlib.h> - -/* necessary functions from matrix API */ -extern void GPU_matrix_bind(const Gwn_ShaderInterface*); -extern bool GPU_matrix_dirty_get(void); - -typedef struct { - /* TODO: organize this struct by frequency of change (run-time) */ - - Gwn_Batch* batch; - Gwn_Context* context; - - /* current draw call */ - GLubyte* buffer_data; - uint buffer_offset; - uint buffer_bytes_mapped; - uint vertex_len; - bool strict_vertex_len; - Gwn_PrimType prim_type; - - Gwn_VertFormat vertex_format; - - /* current vertex */ - uint vertex_idx; - GLubyte* vertex_data; - uint16_t unassigned_attrib_bits; /* which attributes of current vertex have not been given values? */ - - GLuint vbo_id; - GLuint vao_id; - - GLuint bound_program; - const Gwn_ShaderInterface* shader_interface; - Gwn_AttrBinding attrib_binding; - uint16_t prev_enabled_attrib_bits; /* <-- only affects this VAO, so we're ok */ -} Immediate; - -/* size of internal buffer -- make this adjustable? */ -#define IMM_BUFFER_SIZE (4 * 1024 * 1024) - -static bool initialized = false; -static Immediate imm; - -void immInit(void) -{ -#if TRUST_NO_ONE - assert(!initialized); -#endif - memset(&imm, 0, sizeof(Immediate)); - - imm.vbo_id = GWN_buf_id_alloc(); - glBindBuffer(GL_ARRAY_BUFFER, imm.vbo_id); - glBufferData(GL_ARRAY_BUFFER, IMM_BUFFER_SIZE, NULL, GL_DYNAMIC_DRAW); - - imm.prim_type = GWN_PRIM_NONE; - imm.strict_vertex_len = true; - - glBindBuffer(GL_ARRAY_BUFFER, 0); - initialized = true; -} - -void immActivate(void) -{ -#if TRUST_NO_ONE - assert(initialized); - assert(imm.prim_type == GWN_PRIM_NONE); /* make sure we're not between a Begin/End pair */ - assert(imm.vao_id == 0); -#endif - imm.vao_id = GWN_vao_alloc(); - imm.context = GWN_context_active_get(); -} - -void immDeactivate(void) -{ -#if TRUST_NO_ONE - assert(initialized); - assert(imm.prim_type == GWN_PRIM_NONE); /* make sure we're not between a Begin/End pair */ - assert(imm.vao_id != 0); -#endif - GWN_vao_free(imm.vao_id, imm.context); - imm.vao_id = 0; - imm.prev_enabled_attrib_bits = 0; -} - -void immDestroy(void) -{ - GWN_buf_id_free(imm.vbo_id); - initialized = false; -} - -Gwn_VertFormat* immVertexFormat(void) -{ - GWN_vertformat_clear(&imm.vertex_format); - return &imm.vertex_format; -} - -void immBindProgram(GLuint program, const Gwn_ShaderInterface* shaderface) -{ -#if TRUST_NO_ONE - assert(imm.bound_program == 0); - assert(glIsProgram(program)); -#endif - - imm.bound_program = program; - imm.shader_interface = shaderface; - - if (!imm.vertex_format.packed) - VertexFormat_pack(&imm.vertex_format); - - glUseProgram(program); - get_attrib_locations(&imm.vertex_format, &imm.attrib_binding, shaderface); - GPU_matrix_bind(shaderface); -} - -void immUnbindProgram(void) -{ -#if TRUST_NO_ONE - assert(imm.bound_program != 0); -#endif -#if PROGRAM_NO_OPTI - glUseProgram(0); -#endif - imm.bound_program = 0; -} - -#if TRUST_NO_ONE -static bool vertex_count_makes_sense_for_primitive(uint vertex_len, Gwn_PrimType prim_type) -{ - /* does vertex_len make sense for this primitive type? */ - if (vertex_len == 0) { - return false; - } - - switch (prim_type) { - case GWN_PRIM_POINTS: - return true; - case GWN_PRIM_LINES: - return vertex_len % 2 == 0; - case GWN_PRIM_LINE_STRIP: - case GWN_PRIM_LINE_LOOP: - return vertex_len >= 2; - case GWN_PRIM_LINE_STRIP_ADJ: - return vertex_len >= 4; - case GWN_PRIM_TRIS: - return vertex_len % 3 == 0; - case GWN_PRIM_TRI_STRIP: - case GWN_PRIM_TRI_FAN: - return vertex_len >= 3; - default: - return false; - } -} -#endif - -void immBegin(Gwn_PrimType prim_type, uint vertex_len) -{ -#if TRUST_NO_ONE - assert(initialized); - assert(imm.prim_type == GWN_PRIM_NONE); /* make sure we haven't already begun */ - assert(vertex_count_makes_sense_for_primitive(vertex_len, prim_type)); -#endif - imm.prim_type = prim_type; - imm.vertex_len = vertex_len; - imm.vertex_idx = 0; - imm.unassigned_attrib_bits = imm.attrib_binding.enabled_bits; - - /* how many bytes do we need for this draw call? */ - const uint bytes_needed = vertex_buffer_size(&imm.vertex_format, vertex_len); - -#if TRUST_NO_ONE - assert(bytes_needed <= IMM_BUFFER_SIZE); -#endif - - glBindBuffer(GL_ARRAY_BUFFER, imm.vbo_id); - - /* does the current buffer have enough room? */ - const uint available_bytes = IMM_BUFFER_SIZE - imm.buffer_offset; - /* ensure vertex data is aligned */ - const uint pre_padding = padding(imm.buffer_offset, imm.vertex_format.stride); /* might waste a little space, but it's safe */ - if ((bytes_needed + pre_padding) <= available_bytes) { - imm.buffer_offset += pre_padding; - } - else { - /* orphan this buffer & start with a fresh one */ - /* this method works on all platforms, old & new */ - glBufferData(GL_ARRAY_BUFFER, IMM_BUFFER_SIZE, NULL, GL_DYNAMIC_DRAW); - - imm.buffer_offset = 0; - } - -/* printf("mapping %u to %u\n", imm.buffer_offset, imm.buffer_offset + bytes_needed - 1); */ - - imm.buffer_data = glMapBufferRange(GL_ARRAY_BUFFER, imm.buffer_offset, bytes_needed, - GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | (imm.strict_vertex_len ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT)); - -#if TRUST_NO_ONE - assert(imm.buffer_data != NULL); -#endif - - imm.buffer_bytes_mapped = bytes_needed; - imm.vertex_data = imm.buffer_data; -} - -void immBeginAtMost(Gwn_PrimType prim_type, uint vertex_len) -{ -#if TRUST_NO_ONE - assert(vertex_len > 0); -#endif - - imm.strict_vertex_len = false; - immBegin(prim_type, vertex_len); -} - - -Gwn_Batch* immBeginBatch(Gwn_PrimType prim_type, uint vertex_len) -{ -#if TRUST_NO_ONE - assert(initialized); - assert(imm.prim_type == GWN_PRIM_NONE); /* make sure we haven't already begun */ - assert(vertex_count_makes_sense_for_primitive(vertex_len, prim_type)); -#endif - imm.prim_type = prim_type; - imm.vertex_len = vertex_len; - imm.vertex_idx = 0; - imm.unassigned_attrib_bits = imm.attrib_binding.enabled_bits; - - Gwn_VertBuf* verts = GWN_vertbuf_create_with_format(&imm.vertex_format); - GWN_vertbuf_data_alloc(verts, vertex_len); - - imm.buffer_bytes_mapped = GWN_vertbuf_size_get(verts); - imm.vertex_data = verts->data; - - imm.batch = GWN_batch_create_ex(prim_type, verts, NULL, GWN_BATCH_OWNS_VBO); - imm.batch->phase = GWN_BATCH_BUILDING; - - return imm.batch; -} - -Gwn_Batch* immBeginBatchAtMost(Gwn_PrimType prim_type, uint vertex_len) -{ - imm.strict_vertex_len = false; - return immBeginBatch(prim_type, vertex_len); -} - -static void immDrawSetup(void) -{ - /* set up VAO -- can be done during Begin or End really */ - glBindVertexArray(imm.vao_id); - - /* enable/disable vertex attribs as needed */ - if (imm.attrib_binding.enabled_bits != imm.prev_enabled_attrib_bits) { - for (uint loc = 0; loc < GWN_VERT_ATTR_MAX_LEN; ++loc) { - bool is_enabled = imm.attrib_binding.enabled_bits & (1 << loc); - bool was_enabled = imm.prev_enabled_attrib_bits & (1 << loc); - - if (is_enabled && !was_enabled) { - glEnableVertexAttribArray(loc); - } - else if (was_enabled && !is_enabled) { - glDisableVertexAttribArray(loc); - } - } - - imm.prev_enabled_attrib_bits = imm.attrib_binding.enabled_bits; - } - - const uint stride = imm.vertex_format.stride; - - for (uint a_idx = 0; a_idx < imm.vertex_format.attr_len; ++a_idx) { - const Gwn_VertAttr* a = imm.vertex_format.attribs + a_idx; - - const uint offset = imm.buffer_offset + a->offset; - const GLvoid* pointer = (const GLubyte*)0 + offset; - - const uint loc = read_attrib_location(&imm.attrib_binding, a_idx); - - switch (a->fetch_mode) { - case GWN_FETCH_FLOAT: - case GWN_FETCH_INT_TO_FLOAT: - glVertexAttribPointer(loc, a->comp_len, a->gl_comp_type, GL_FALSE, stride, pointer); - break; - case GWN_FETCH_INT_TO_FLOAT_UNIT: - glVertexAttribPointer(loc, a->comp_len, a->gl_comp_type, GL_TRUE, stride, pointer); - break; - case GWN_FETCH_INT: - glVertexAttribIPointer(loc, a->comp_len, a->gl_comp_type, stride, pointer); - } - } - - if (GPU_matrix_dirty_get()) { - GPU_matrix_bind(imm.shader_interface); - } -} - -void immEnd(void) -{ -#if TRUST_NO_ONE - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - - uint buffer_bytes_used; - if (imm.strict_vertex_len) { -#if TRUST_NO_ONE - assert(imm.vertex_idx == imm.vertex_len); /* with all vertices defined */ -#endif - buffer_bytes_used = imm.buffer_bytes_mapped; - } - else { -#if TRUST_NO_ONE - assert(imm.vertex_idx <= imm.vertex_len); -#endif - if (imm.vertex_idx == imm.vertex_len) { - buffer_bytes_used = imm.buffer_bytes_mapped; - } - else { -#if TRUST_NO_ONE - assert(imm.vertex_idx == 0 || vertex_count_makes_sense_for_primitive(imm.vertex_idx, imm.prim_type)); -#endif - imm.vertex_len = imm.vertex_idx; - buffer_bytes_used = vertex_buffer_size(&imm.vertex_format, imm.vertex_len); - /* unused buffer bytes are available to the next immBegin */ - } - /* tell OpenGL what range was modified so it doesn't copy the whole mapped range */ - glFlushMappedBufferRange(GL_ARRAY_BUFFER, 0, buffer_bytes_used); - } - - if (imm.batch) { - if (buffer_bytes_used != imm.buffer_bytes_mapped) { - GWN_vertbuf_data_resize(imm.batch->verts[0], imm.vertex_len); - /* TODO: resize only if vertex count is much smaller */ - } - GWN_batch_program_set(imm.batch, imm.bound_program, imm.shader_interface); - imm.batch->phase = GWN_BATCH_READY_TO_DRAW; - imm.batch = NULL; /* don't free, batch belongs to caller */ - } - else { - glUnmapBuffer(GL_ARRAY_BUFFER); - if (imm.vertex_len > 0) { - immDrawSetup(); - glDrawArrays(convert_prim_type_to_gl(imm.prim_type), 0, imm.vertex_len); - } - glBindBuffer(GL_ARRAY_BUFFER, 0); - glBindVertexArray(0); - /* prep for next immBegin */ - imm.buffer_offset += buffer_bytes_used; - } - - /* prep for next immBegin */ - imm.prim_type = GWN_PRIM_NONE; - imm.strict_vertex_len = true; -} - -static void setAttribValueBit(uint attrib_id) -{ - uint16_t mask = 1 << attrib_id; -#if TRUST_NO_ONE - assert(imm.unassigned_attrib_bits & mask); /* not already set */ -#endif - imm.unassigned_attrib_bits &= ~mask; -} - - -/* --- generic attribute functions --- */ - -void immAttrib1f(uint attrib_id, float x) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_F32); - assert(attrib->comp_len == 1); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - float* data = (float*)(imm.vertex_data + attrib->offset); -/* printf("%s %td %p\n", __FUNCTION__, (GLubyte*)data - imm.buffer_data, data); */ - - data[0] = x; -} - -void immAttrib2f(uint attrib_id, float x, float y) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_F32); - assert(attrib->comp_len == 2); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - float* data = (float*)(imm.vertex_data + attrib->offset); -/* printf("%s %td %p\n", __FUNCTION__, (GLubyte*)data - imm.buffer_data, data); */ - - data[0] = x; - data[1] = y; -} - -void immAttrib3f(uint attrib_id, float x, float y, float z) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_F32); - assert(attrib->comp_len == 3); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - float* data = (float*)(imm.vertex_data + attrib->offset); -/* printf("%s %td %p\n", __FUNCTION__, (GLubyte*)data - imm.buffer_data, data); */ - - data[0] = x; - data[1] = y; - data[2] = z; -} - -void immAttrib4f(uint attrib_id, float x, float y, float z, float w) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_F32); - assert(attrib->comp_len == 4); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - float* data = (float*)(imm.vertex_data + attrib->offset); -/* printf("%s %td %p\n", __FUNCTION__, (GLubyte*)data - imm.buffer_data, data); */ - - data[0] = x; - data[1] = y; - data[2] = z; - data[3] = w; -} - -void immAttrib1u(uint attrib_id, uint x) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_U32); - assert(attrib->comp_len == 1); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - uint* data = (uint*)(imm.vertex_data + attrib->offset); - - data[0] = x; -} - -void immAttrib2i(uint attrib_id, int x, int y) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_I32); - assert(attrib->comp_len == 2); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - int* data = (int*)(imm.vertex_data + attrib->offset); - - data[0] = x; - data[1] = y; -} - -void immAttrib2s(uint attrib_id, short x, short y) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_I16); - assert(attrib->comp_len == 2); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - short* data = (short*)(imm.vertex_data + attrib->offset); - - data[0] = x; - data[1] = y; -} - -void immAttrib2fv(uint attrib_id, const float data[2]) -{ - immAttrib2f(attrib_id, data[0], data[1]); -} - -void immAttrib3fv(uint attrib_id, const float data[3]) -{ - immAttrib3f(attrib_id, data[0], data[1], data[2]); -} - -void immAttrib4fv(uint attrib_id, const float data[4]) -{ - immAttrib4f(attrib_id, data[0], data[1], data[2], data[3]); -} - -void immAttrib3ub(uint attrib_id, unsigned char r, unsigned char g, unsigned char b) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_U8); - assert(attrib->comp_len == 3); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - GLubyte* data = imm.vertex_data + attrib->offset; -/* printf("%s %td %p\n", __FUNCTION__, data - imm.buffer_data, data); */ - - data[0] = r; - data[1] = g; - data[2] = b; -} - -void immAttrib4ub(uint attrib_id, unsigned char r, unsigned char g, unsigned char b, unsigned char a) -{ - Gwn_VertAttr* attrib = imm.vertex_format.attribs + attrib_id; -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(attrib->comp_type == GWN_COMP_U8); - assert(attrib->comp_len == 4); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); - - GLubyte* data = imm.vertex_data + attrib->offset; -/* printf("%s %td %p\n", __FUNCTION__, data - imm.buffer_data, data); */ - - data[0] = r; - data[1] = g; - data[2] = b; - data[3] = a; -} - -void immAttrib3ubv(uint attrib_id, const unsigned char data[3]) -{ - immAttrib3ub(attrib_id, data[0], data[1], data[2]); -} - -void immAttrib4ubv(uint attrib_id, const unsigned char data[4]) -{ - immAttrib4ub(attrib_id, data[0], data[1], data[2], data[3]); -} - -void immSkipAttrib(uint attrib_id) -{ -#if TRUST_NO_ONE - assert(attrib_id < imm.vertex_format.attr_len); - assert(imm.vertex_idx < imm.vertex_len); - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ -#endif - setAttribValueBit(attrib_id); -} - -static void immEndVertex(void) /* and move on to the next vertex */ -{ -#if TRUST_NO_ONE - assert(imm.prim_type != GWN_PRIM_NONE); /* make sure we're between a Begin/End pair */ - assert(imm.vertex_idx < imm.vertex_len); -#endif - - /* have all attribs been assigned values? - * if not, copy value from previous vertex */ - if (imm.unassigned_attrib_bits) { -#if TRUST_NO_ONE - assert(imm.vertex_idx > 0); /* first vertex must have all attribs specified */ -#endif - for (uint a_idx = 0; a_idx < imm.vertex_format.attr_len; ++a_idx) { - if ((imm.unassigned_attrib_bits >> a_idx) & 1) { - const Gwn_VertAttr* a = imm.vertex_format.attribs + a_idx; - -/* printf("copying %s from vertex %u to %u\n", a->name, imm.vertex_idx - 1, imm.vertex_idx); */ - - GLubyte* data = imm.vertex_data + a->offset; - memcpy(data, data - imm.vertex_format.stride, a->sz); - /* TODO: consolidate copy of adjacent attributes */ - } - } - } - - imm.vertex_idx++; - imm.vertex_data += imm.vertex_format.stride; - imm.unassigned_attrib_bits = imm.attrib_binding.enabled_bits; -} - -void immVertex2f(uint attrib_id, float x, float y) -{ - immAttrib2f(attrib_id, x, y); - immEndVertex(); -} - -void immVertex3f(uint attrib_id, float x, float y, float z) -{ - immAttrib3f(attrib_id, x, y, z); - immEndVertex(); -} - -void immVertex4f(uint attrib_id, float x, float y, float z, float w) -{ - immAttrib4f(attrib_id, x, y, z, w); - immEndVertex(); -} - -void immVertex2i(uint attrib_id, int x, int y) -{ - immAttrib2i(attrib_id, x, y); - immEndVertex(); -} - -void immVertex2s(uint attrib_id, short x, short y) -{ - immAttrib2s(attrib_id, x, y); - immEndVertex(); -} - -void immVertex2fv(uint attrib_id, const float data[2]) -{ - immAttrib2f(attrib_id, data[0], data[1]); - immEndVertex(); -} - -void immVertex3fv(uint attrib_id, const float data[3]) -{ - immAttrib3f(attrib_id, data[0], data[1], data[2]); - immEndVertex(); -} - -void immVertex2iv(uint attrib_id, const int data[2]) -{ - immAttrib2i(attrib_id, data[0], data[1]); - immEndVertex(); -} - - -/* --- generic uniform functions --- */ - -#if 0 - #if TRUST_NO_ONE - #define GET_UNIFORM const Gwn_ShaderInput* uniform = GWN_shaderinterface_uniform(imm.shader_interface, name); assert(uniform); - #else - #define GET_UNIFORM const Gwn_ShaderInput* uniform = GWN_shaderinterface_uniform(imm.shader_interface, name); - #endif -#else - /* NOTE: It is possible to have uniform fully optimized out from the shader. - * In this case we can't assert failure or allow NULL-pointer dereference. - * TODO(sergey): How can we detect existing-but-optimized-out uniform but still - * catch typos in uniform names passed to immUniform*() functions? */ - #define GET_UNIFORM const Gwn_ShaderInput* uniform = GWN_shaderinterface_uniform(imm.shader_interface, name); if (uniform == NULL) return; -#endif - -void immUniform1f(const char* name, float x) -{ - GET_UNIFORM - glUniform1f(uniform->location, x); -} - -void immUniform2f(const char* name, float x, float y) -{ - GET_UNIFORM - glUniform2f(uniform->location, x, y); -} - -void immUniform2fv(const char* name, const float data[2]) -{ - GET_UNIFORM - glUniform2fv(uniform->location, 1, data); -} - -void immUniform3f(const char* name, float x, float y, float z) -{ - GET_UNIFORM - glUniform3f(uniform->location, x, y, z); -} - -void immUniform3fv(const char* name, const float data[3]) -{ - GET_UNIFORM - glUniform3fv(uniform->location, 1, data); -} - -/* can increase this limit or move to another file */ -#define MAX_UNIFORM_NAME_LEN 60 - -void immUniformArray3fv(const char* bare_name, const float *data, int count) -{ - /* look up "name[0]" when given "name" */ - const size_t len = strlen(bare_name); -#if TRUST_NO_ONE - assert(len <= MAX_UNIFORM_NAME_LEN); -#endif - char name[MAX_UNIFORM_NAME_LEN]; - strcpy(name, bare_name); - name[len + 0] = '['; - name[len + 1] = '0'; - name[len + 2] = ']'; - name[len + 3] = '\0'; - - GET_UNIFORM - glUniform3fv(uniform->location, count, data); -} - -void immUniform4f(const char* name, float x, float y, float z, float w) -{ - GET_UNIFORM - glUniform4f(uniform->location, x, y, z, w); -} - -void immUniform4fv(const char* name, const float data[4]) -{ - GET_UNIFORM - glUniform4fv(uniform->location, 1, data); -} - -void immUniformArray4fv(const char* bare_name, const float *data, int count) -{ - /* look up "name[0]" when given "name" */ - const size_t len = strlen(bare_name); -#if TRUST_NO_ONE - assert(len <= MAX_UNIFORM_NAME_LEN); -#endif - char name[MAX_UNIFORM_NAME_LEN]; - strcpy(name, bare_name); - name[len + 0] = '['; - name[len + 1] = '0'; - name[len + 2] = ']'; - name[len + 3] = '\0'; - - GET_UNIFORM - glUniform4fv(uniform->location, count, data); -} - -void immUniformMatrix4fv(const char* name, const float data[4][4]) -{ - GET_UNIFORM - glUniformMatrix4fv(uniform->location, 1, GL_FALSE, (float *)data); -} - -void immUniform1i(const char* name, int x) -{ - GET_UNIFORM - glUniform1i(uniform->location, x); -} - -void immUniform4iv(const char* name, const int data[4]) -{ - GET_UNIFORM - glUniform4iv(uniform->location, 1, data); -} - -/* --- convenience functions for setting "uniform vec4 color" --- */ - -void immUniformColor4f(float r, float g, float b, float a) -{ - const Gwn_ShaderInput* uniform = GWN_shaderinterface_uniform_builtin(imm.shader_interface, GWN_UNIFORM_COLOR); -#if TRUST_NO_ONE - assert(uniform != NULL); -#endif - glUniform4f(uniform->location, r, g, b, a); -} - -void immUniformColor4fv(const float rgba[4]) -{ - immUniformColor4f(rgba[0], rgba[1], rgba[2], rgba[3]); -} - -void immUniformColor3f(float r, float g, float b) -{ - immUniformColor4f(r, g, b, 1.0f); -} - -void immUniformColor3fv(const float rgb[3]) -{ - immUniformColor4f(rgb[0], rgb[1], rgb[2], 1.0f); -} - -void immUniformColor3fvAlpha(const float rgb[3], float a) -{ - immUniformColor4f(rgb[0], rgb[1], rgb[2], a); -} - -/* TODO: v-- treat as sRGB? --v */ - -void immUniformColor3ub(unsigned char r, unsigned char g, unsigned char b) -{ - const float scale = 1.0f / 255.0f; - immUniformColor4f(scale * r, scale * g, scale * b, 1.0f); -} - -void immUniformColor4ub(unsigned char r, unsigned char g, unsigned char b, unsigned char a) -{ - const float scale = 1.0f / 255.0f; - immUniformColor4f(scale * r, scale * g, scale * b, scale * a); -} - -void immUniformColor3ubv(const unsigned char rgb[3]) -{ - immUniformColor3ub(rgb[0], rgb[1], rgb[2]); -} - -void immUniformColor3ubvAlpha(const unsigned char rgb[3], unsigned char alpha) -{ - immUniformColor4ub(rgb[0], rgb[1], rgb[2], alpha); -} - -void immUniformColor4ubv(const unsigned char rgba[4]) -{ - immUniformColor4ub(rgba[0], rgba[1], rgba[2], rgba[3]); -} diff --git a/intern/gawain/src/gwn_primitive.c b/intern/gawain/src/gwn_primitive.c deleted file mode 100644 index bec638a4972..00000000000 --- a/intern/gawain/src/gwn_primitive.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_primitive.c - * \ingroup gpu - * - * Gawain geometric primitives - */ - -#include "gwn_primitive.h" -#include "gwn_primitive_private.h" - -Gwn_PrimClass GWN_primtype_class(Gwn_PrimType prim_type) -{ - static const Gwn_PrimClass classes[] = { - [GWN_PRIM_POINTS] = GWN_PRIM_CLASS_POINT, - [GWN_PRIM_LINES] = GWN_PRIM_CLASS_LINE, - [GWN_PRIM_LINE_STRIP] = GWN_PRIM_CLASS_LINE, - [GWN_PRIM_LINE_LOOP] = GWN_PRIM_CLASS_LINE, - [GWN_PRIM_TRIS] = GWN_PRIM_CLASS_SURFACE, - [GWN_PRIM_TRI_STRIP] = GWN_PRIM_CLASS_SURFACE, - [GWN_PRIM_TRI_FAN] = GWN_PRIM_CLASS_SURFACE, - - [GWN_PRIM_LINES_ADJ] = GWN_PRIM_CLASS_LINE, - [GWN_PRIM_LINE_STRIP_ADJ] = GWN_PRIM_CLASS_LINE, - [GWN_PRIM_TRIS_ADJ] = GWN_PRIM_CLASS_SURFACE, - - [GWN_PRIM_NONE] = GWN_PRIM_CLASS_NONE - }; - - return classes[prim_type]; -} - -bool GWN_primtype_belongs_to_class(Gwn_PrimType prim_type, Gwn_PrimClass prim_class) -{ - if (prim_class == GWN_PRIM_CLASS_NONE && prim_type == GWN_PRIM_NONE) { - return true; - } - return prim_class & GWN_primtype_class(prim_type); -} - -GLenum convert_prim_type_to_gl(Gwn_PrimType prim_type) -{ -#if TRUST_NO_ONE - assert(prim_type != GWN_PRIM_NONE); -#endif - static const GLenum table[] = { - [GWN_PRIM_POINTS] = GL_POINTS, - [GWN_PRIM_LINES] = GL_LINES, - [GWN_PRIM_LINE_STRIP] = GL_LINE_STRIP, - [GWN_PRIM_LINE_LOOP] = GL_LINE_LOOP, - [GWN_PRIM_TRIS] = GL_TRIANGLES, - [GWN_PRIM_TRI_STRIP] = GL_TRIANGLE_STRIP, - [GWN_PRIM_TRI_FAN] = GL_TRIANGLE_FAN, - - [GWN_PRIM_LINES_ADJ] = GL_LINES_ADJACENCY, - [GWN_PRIM_LINE_STRIP_ADJ] = GL_LINE_STRIP_ADJACENCY, - [GWN_PRIM_TRIS_ADJ] = GL_TRIANGLES_ADJACENCY, - }; - - return table[prim_type]; -} diff --git a/intern/gawain/src/gwn_shader_interface.c b/intern/gawain/src/gwn_shader_interface.c deleted file mode 100644 index 997d5215d5b..00000000000 --- a/intern/gawain/src/gwn_shader_interface.c +++ /dev/null @@ -1,361 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_shader_interface.c - * \ingroup gpu - * - * Gawain shader interface (C --> GLSL) - */ - -#include "gwn_batch_private.h" -#include "gwn_shader_interface.h" -#include "gwn_vertex_array_id.h" -#include <stdlib.h> -#include <stddef.h> -#include <string.h> - -#define DEBUG_SHADER_INTERFACE 0 - -#if DEBUG_SHADER_INTERFACE - #include <stdio.h> -#endif - -static const char* BuiltinUniform_name(Gwn_UniformBuiltin u) -{ - static const char* names[] = { - [GWN_UNIFORM_NONE] = NULL, - - [GWN_UNIFORM_MODEL] = "ModelMatrix", - [GWN_UNIFORM_VIEW] = "ViewMatrix", - [GWN_UNIFORM_MODELVIEW] = "ModelViewMatrix", - [GWN_UNIFORM_PROJECTION] = "ProjectionMatrix", - [GWN_UNIFORM_VIEWPROJECTION] = "ViewProjectionMatrix", - [GWN_UNIFORM_MVP] = "ModelViewProjectionMatrix", - - [GWN_UNIFORM_MODEL_INV] = "ModelMatrixInverse", - [GWN_UNIFORM_VIEW_INV] = "ViewMatrixInverse", - [GWN_UNIFORM_MODELVIEW_INV] = "ModelViewMatrixInverse", - [GWN_UNIFORM_PROJECTION_INV] = "ProjectionMatrixInverse", - [GWN_UNIFORM_VIEWPROJECTION_INV] = "ViewProjectionMatrixInverse", - - [GWN_UNIFORM_NORMAL] = "NormalMatrix", - [GWN_UNIFORM_WORLDNORMAL] = "WorldNormalMatrix", - [GWN_UNIFORM_CAMERATEXCO] = "CameraTexCoFactors", - [GWN_UNIFORM_ORCO] = "OrcoTexCoFactors", - - [GWN_UNIFORM_COLOR] = "color", - [GWN_UNIFORM_EYE] = "eye", - [GWN_UNIFORM_CALLID] = "callId", - - [GWN_UNIFORM_CUSTOM] = NULL, - [GWN_NUM_UNIFORMS] = NULL, - }; - - return names[u]; -} - -GWN_INLINE bool match(const char* a, const char* b) -{ - return strcmp(a, b) == 0; -} - -GWN_INLINE uint hash_string(const char *str) -{ - uint i = 0, c; - while ((c = *str++)) { - i = i * 37 + c; - } - return i; -} - -GWN_INLINE void set_input_name(Gwn_ShaderInterface* shaderface, Gwn_ShaderInput* input, - const char* name, uint32_t name_len) -{ - input->name_offset = shaderface->name_buffer_offset; - input->name_hash = hash_string(name); - shaderface->name_buffer_offset += name_len + 1; /* include NULL terminator */ -} - -GWN_INLINE void shader_input_to_bucket(Gwn_ShaderInput* input, - Gwn_ShaderInput* buckets[GWN_NUM_SHADERINTERFACE_BUCKETS]) -{ - const uint bucket_index = input->name_hash % GWN_NUM_SHADERINTERFACE_BUCKETS; - input->next = buckets[bucket_index]; - buckets[bucket_index] = input; -} - -GWN_INLINE const Gwn_ShaderInput* buckets_lookup(Gwn_ShaderInput* const buckets[GWN_NUM_SHADERINTERFACE_BUCKETS], - const char *name_buffer, const char *name) -{ - const uint name_hash = hash_string(name); - const uint bucket_index = name_hash % GWN_NUM_SHADERINTERFACE_BUCKETS; - const Gwn_ShaderInput* input = buckets[bucket_index]; - if (input == NULL) { - /* Requested uniform is not found at all. */ - return NULL; - } - /* Optimization bit: if there is no hash collision detected when constructing shader interface - * it means we can only request the single possible uniform. Surely, it's possible we request - * uniform which causes hash collision, but that will be detected in debug builds. */ - if (input->next == NULL) { - if (name_hash == input->name_hash) { -#if TRUST_NO_ONE - assert(match(name_buffer + input->name_offset, name)); -#endif - return input; - } - return NULL; - } - /* Work through possible collisions. */ - const Gwn_ShaderInput* next = input; - while (next != NULL) { - input = next; - next = input->next; - if (input->name_hash != name_hash) { - continue; - } - if (match(name_buffer + input->name_offset, name)) { - return input; - } - } - return NULL; /* not found */ -} - -GWN_INLINE void buckets_free(Gwn_ShaderInput* buckets[GWN_NUM_SHADERINTERFACE_BUCKETS]) -{ - for (uint bucket_index = 0; bucket_index < GWN_NUM_SHADERINTERFACE_BUCKETS; ++bucket_index) { - Gwn_ShaderInput *input = buckets[bucket_index]; - while (input != NULL) { - Gwn_ShaderInput *input_next = input->next; - free(input); - input = input_next; - } - } -} - -static bool setup_builtin_uniform(Gwn_ShaderInput* input, const char* name) -{ - /* TODO: reject DOUBLE, IMAGE, ATOMIC_COUNTER gl_types */ - - /* detect built-in uniforms (name must match) */ - for (Gwn_UniformBuiltin u = GWN_UNIFORM_NONE + 1; u < GWN_UNIFORM_CUSTOM; ++u) { - const char* builtin_name = BuiltinUniform_name(u); - if (match(name, builtin_name)) { - input->builtin_type = u; - return true; - } - } - input->builtin_type = GWN_UNIFORM_CUSTOM; - return false; -} - -static const Gwn_ShaderInput* add_uniform(Gwn_ShaderInterface* shaderface, const char* name) -{ - Gwn_ShaderInput* input = malloc(sizeof(Gwn_ShaderInput)); - - input->location = glGetUniformLocation(shaderface->program, name); - - uint name_len = strlen(name); - shaderface->name_buffer = realloc(shaderface->name_buffer, shaderface->name_buffer_offset + name_len + 1); /* include NULL terminator */ - char* name_buffer = shaderface->name_buffer + shaderface->name_buffer_offset; - strcpy(name_buffer, name); - - set_input_name(shaderface, input, name, name_len); - setup_builtin_uniform(input, name); - - shader_input_to_bucket(input, shaderface->uniform_buckets); - if (input->builtin_type != GWN_UNIFORM_NONE && - input->builtin_type != GWN_UNIFORM_CUSTOM) - { - shaderface->builtin_uniforms[input->builtin_type] = input; - } -#if DEBUG_SHADER_INTERFACE - printf("Gwn_ShaderInterface %p, program %d, uniform[] '%s' at location %d\n", shaderface, - shaderface->program, - name, - input->location); -#endif - return input; -} - -Gwn_ShaderInterface* GWN_shaderinterface_create(int32_t program) -{ - Gwn_ShaderInterface* shaderface = calloc(1, sizeof(Gwn_ShaderInterface)); - shaderface->program = program; - -#if DEBUG_SHADER_INTERFACE - printf("%s {\n", __func__); /* enter function */ - printf("Gwn_ShaderInterface %p, program %d\n", shaderface, program); -#endif - - GLint max_attrib_name_len, attr_len; - glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_attrib_name_len); - glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &attr_len); - - GLint max_ubo_name_len, ubo_len; - glGetProgramiv(program, GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, &max_ubo_name_len); - glGetProgramiv(program, GL_ACTIVE_UNIFORM_BLOCKS, &ubo_len); - - const uint32_t name_buffer_len = attr_len * max_attrib_name_len + ubo_len * max_ubo_name_len; - shaderface->name_buffer = malloc(name_buffer_len); - - /* Attributes */ - for (uint32_t i = 0; i < attr_len; ++i) { - Gwn_ShaderInput* input = malloc(sizeof(Gwn_ShaderInput)); - GLsizei remaining_buffer = name_buffer_len - shaderface->name_buffer_offset; - char* name = shaderface->name_buffer + shaderface->name_buffer_offset; - GLsizei name_len = 0; - - glGetActiveAttrib(program, i, remaining_buffer, &name_len, &input->size, &input->gl_type, name); - - /* remove "[0]" from array name */ - if (name[name_len-1] == ']') { - name[name_len-3] = '\0'; - name_len -= 3; - } - - /* TODO: reject DOUBLE gl_types */ - - input->location = glGetAttribLocation(program, name); - - set_input_name(shaderface, input, name, name_len); - - shader_input_to_bucket(input, shaderface->attrib_buckets); - -#if DEBUG_SHADER_INTERFACE - printf("attrib[%u] '%s' at location %d\n", i, name, input->location); -#endif - } - /* Uniform Blocks */ - for (uint32_t i = 0; i < ubo_len; ++i) { - Gwn_ShaderInput* input = malloc(sizeof(Gwn_ShaderInput)); - GLsizei remaining_buffer = name_buffer_len - shaderface->name_buffer_offset; - char* name = shaderface->name_buffer + shaderface->name_buffer_offset; - GLsizei name_len = 0; - - glGetActiveUniformBlockName(program, i, remaining_buffer, &name_len, name); - - input->location = i; - - set_input_name(shaderface, input, name, name_len); - - shader_input_to_bucket(input, shaderface->ubo_buckets); - -#if DEBUG_SHADER_INTERFACE - printf("ubo '%s' at location %d\n", name, input->location); -#endif - } - /* Builtin Uniforms */ - for (Gwn_UniformBuiltin u = GWN_UNIFORM_NONE + 1; u < GWN_UNIFORM_CUSTOM; ++u) { - const char* builtin_name = BuiltinUniform_name(u); - if (glGetUniformLocation(program, builtin_name) != -1) { - add_uniform((Gwn_ShaderInterface*)shaderface, builtin_name); - } - } - /* Batches ref buffer */ - shaderface->batches_len = GWN_SHADERINTERFACE_REF_ALLOC_COUNT; - shaderface->batches = calloc(shaderface->batches_len, sizeof(Gwn_Batch*)); - - return shaderface; -} - -void GWN_shaderinterface_discard(Gwn_ShaderInterface* shaderface) -{ - /* Free memory used by buckets and has entries. */ - buckets_free(shaderface->uniform_buckets); - buckets_free(shaderface->attrib_buckets); - buckets_free(shaderface->ubo_buckets); - /* Free memory used by name_buffer. */ - free(shaderface->name_buffer); - /* Remove this interface from all linked Batches vao cache. */ - for (int i = 0; i < shaderface->batches_len; ++i) { - if (shaderface->batches[i] != NULL) { - gwn_batch_remove_interface_ref(shaderface->batches[i], shaderface); - } - } - free(shaderface->batches); - /* Free memory used by shader interface by its self. */ - free(shaderface); -} - -const Gwn_ShaderInput* GWN_shaderinterface_uniform(const Gwn_ShaderInterface* shaderface, const char* name) -{ - /* TODO: Warn if we find a matching builtin, since these can be looked up much quicker. */ - const Gwn_ShaderInput* input = buckets_lookup(shaderface->uniform_buckets, shaderface->name_buffer, name); - /* If input is not found add it so it's found next time. */ - if (input == NULL) { - input = add_uniform((Gwn_ShaderInterface*)shaderface, name); - } - return (input->location != -1) ? input : NULL; -} - -const Gwn_ShaderInput* GWN_shaderinterface_uniform_builtin( - const Gwn_ShaderInterface* shaderface, Gwn_UniformBuiltin builtin) -{ -#if TRUST_NO_ONE - assert(builtin != GWN_UNIFORM_NONE); - assert(builtin != GWN_UNIFORM_CUSTOM); - assert(builtin != GWN_NUM_UNIFORMS); -#endif - return shaderface->builtin_uniforms[builtin]; -} - -const Gwn_ShaderInput* GWN_shaderinterface_ubo(const Gwn_ShaderInterface* shaderface, const char* name) -{ - return buckets_lookup(shaderface->ubo_buckets, shaderface->name_buffer, name); -} - -const Gwn_ShaderInput* GWN_shaderinterface_attr(const Gwn_ShaderInterface* shaderface, const char* name) -{ - return buckets_lookup(shaderface->attrib_buckets, shaderface->name_buffer, name); -} - -void GWN_shaderinterface_add_batch_ref(Gwn_ShaderInterface* shaderface, Gwn_Batch* batch) -{ - int i; /* find first unused slot */ - for (i = 0; i < shaderface->batches_len; ++i) { - if (shaderface->batches[i] == NULL) { - break; - } - } - if (i == shaderface->batches_len) { - /* Not enough place, realloc the array. */ - i = shaderface->batches_len; - shaderface->batches_len += GWN_SHADERINTERFACE_REF_ALLOC_COUNT; - shaderface->batches = realloc(shaderface->batches, sizeof(Gwn_Batch*) * shaderface->batches_len); - memset(shaderface->batches + i, 0, sizeof(Gwn_Batch*) * GWN_SHADERINTERFACE_REF_ALLOC_COUNT); - } - shaderface->batches[i] = batch; -} - -void GWN_shaderinterface_remove_batch_ref(Gwn_ShaderInterface* shaderface, Gwn_Batch* batch) -{ - for (int i = 0; i < shaderface->batches_len; ++i) { - if (shaderface->batches[i] == batch) { - shaderface->batches[i] = NULL; - break; /* cannot have duplicates */ - } - } -} diff --git a/intern/gawain/src/gwn_vertex_array_id.cpp b/intern/gawain/src/gwn_vertex_array_id.cpp deleted file mode 100644 index 04470bf6844..00000000000 --- a/intern/gawain/src/gwn_vertex_array_id.cpp +++ /dev/null @@ -1,196 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation, Clément Foucault - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/gwn_vertex_array_id.cpp - * \ingroup gpu - * - * Manage GL vertex array IDs in a thread-safe way - * Use these instead of glGenBuffers & its friends - * - alloc must be called from a thread that is bound - * to the context that will be used for drawing with - * this vao. - * - free can be called from any thread - */ - -#include "gwn_batch_private.h" -#include "gwn_vertex_array_id.h" -#include "gwn_context.h" -#include <vector> -#include <string.h> -#include <pthread.h> -#include <mutex> -#include <unordered_set> - -#if TRUST_NO_ONE -#if 0 -extern "C" { -extern int BLI_thread_is_main(void); /* Blender-specific function */ -} - -static bool thread_is_main() { - /* "main" here means the GL context's thread */ - return BLI_thread_is_main(); -} -#endif -#endif - -struct Gwn_Context { - GLuint default_vao; - std::unordered_set<Gwn_Batch*> batches; /* Batches that have VAOs from this context */ - std::vector<GLuint> orphaned_vertarray_ids; - std::mutex orphans_mutex; /* todo: try spinlock instead */ -#if TRUST_NO_ONE - pthread_t thread; /* Thread on which this context is active. */ - bool thread_is_used; - - Gwn_Context() { - thread_is_used = false; - } -#endif -}; - -#if defined(_MSC_VER) && (_MSC_VER == 1800) -#define thread_local __declspec(thread) -thread_local Gwn_Context* active_ctx = NULL; -#else -static thread_local Gwn_Context* active_ctx = NULL; -#endif - -static void clear_orphans(Gwn_Context* ctx) -{ - ctx->orphans_mutex.lock(); - if (!ctx->orphaned_vertarray_ids.empty()) { - uint orphan_len = (uint)ctx->orphaned_vertarray_ids.size(); - glDeleteVertexArrays(orphan_len, ctx->orphaned_vertarray_ids.data()); - ctx->orphaned_vertarray_ids.clear(); - } - ctx->orphans_mutex.unlock(); -} - -Gwn_Context* GWN_context_create(void) -{ -#if TRUST_NO_ONE - /* assert(thread_is_main()); */ -#endif - Gwn_Context* ctx = new Gwn_Context; - glGenVertexArrays(1, &ctx->default_vao); - GWN_context_active_set(ctx); - return ctx; -} - -/* to be called after GWN_context_active_set(ctx_to_destroy) */ -void GWN_context_discard(Gwn_Context* ctx) -{ -#if TRUST_NO_ONE - /* Make sure no other thread has locked it. */ - assert(ctx == active_ctx); - assert(pthread_equal(pthread_self(), ctx->thread)); - assert(ctx->orphaned_vertarray_ids.empty()); -#endif - /* delete remaining vaos */ - while (!ctx->batches.empty()) { - /* this removes the array entry */ - gwn_batch_vao_cache_clear(*ctx->batches.begin()); - } - glDeleteVertexArrays(1, &ctx->default_vao); - delete ctx; - active_ctx = NULL; -} - -/* ctx can be NULL */ -void GWN_context_active_set(Gwn_Context* ctx) -{ -#if TRUST_NO_ONE - if (active_ctx) { - active_ctx->thread_is_used = false; - } - /* Make sure no other context is already bound to this thread. */ - if (ctx) { - /* Make sure no other thread has locked it. */ - assert(ctx->thread_is_used == false); - ctx->thread = pthread_self(); - ctx->thread_is_used = true; - } -#endif - if (ctx) { - clear_orphans(ctx); - } - active_ctx = ctx; -} - -Gwn_Context* GWN_context_active_get(void) -{ - return active_ctx; -} - -GLuint GWN_vao_default(void) -{ -#if TRUST_NO_ONE - assert(active_ctx); /* need at least an active context */ - assert(pthread_equal(pthread_self(), active_ctx->thread)); /* context has been activated by another thread! */ -#endif - return active_ctx->default_vao; -} - -GLuint GWN_vao_alloc(void) -{ -#if TRUST_NO_ONE - assert(active_ctx); /* need at least an active context */ - assert(pthread_equal(pthread_self(), active_ctx->thread)); /* context has been activated by another thread! */ -#endif - clear_orphans(active_ctx); - - GLuint new_vao_id = 0; - glGenVertexArrays(1, &new_vao_id); - return new_vao_id; -} - -/* this can be called from multiple thread */ -void GWN_vao_free(GLuint vao_id, Gwn_Context* ctx) -{ -#if TRUST_NO_ONE - assert(ctx); -#endif - if (ctx == active_ctx) { - glDeleteVertexArrays(1, &vao_id); - } - else { - ctx->orphans_mutex.lock(); - ctx->orphaned_vertarray_ids.emplace_back(vao_id); - ctx->orphans_mutex.unlock(); - } -} - -void gwn_context_add_batch(Gwn_Context* ctx, Gwn_Batch* batch) -{ - ctx->batches.emplace(batch); -} - -void gwn_context_remove_batch(Gwn_Context* ctx, Gwn_Batch* batch) -{ - ctx->orphans_mutex.lock(); - ctx->batches.erase(batch); - ctx->orphans_mutex.unlock(); -} diff --git a/intern/gawain/src/gwn_vertex_buffer.c b/intern/gawain/src/gwn_vertex_buffer.c deleted file mode 100644 index c3440b25da2..00000000000 --- a/intern/gawain/src/gwn_vertex_buffer.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation, Clément Foucault - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_vertex_buffer.c - * \ingroup gpu - * - * Gawain vertex buffer - */ - -#include "gwn_vertex_buffer.h" -#include "gwn_buffer_id.h" -#include "gwn_vertex_format_private.h" -#include <stdlib.h> -#include <string.h> - -#define KEEP_SINGLE_COPY 1 - -static uint vbo_memory_usage; - -static GLenum convert_usage_type_to_gl(Gwn_UsageType type) -{ - static const GLenum table[] = { - [GWN_USAGE_STREAM] = GL_STREAM_DRAW, - [GWN_USAGE_STATIC] = GL_STATIC_DRAW, - [GWN_USAGE_DYNAMIC] = GL_DYNAMIC_DRAW - }; - return table[type]; -} - -Gwn_VertBuf* GWN_vertbuf_create(Gwn_UsageType usage) -{ - Gwn_VertBuf* verts = malloc(sizeof(Gwn_VertBuf)); - GWN_vertbuf_init(verts, usage); - return verts; -} - -Gwn_VertBuf* GWN_vertbuf_create_with_format_ex(const Gwn_VertFormat* format, Gwn_UsageType usage) -{ - Gwn_VertBuf* verts = GWN_vertbuf_create(usage); - GWN_vertformat_copy(&verts->format, format); - if (!format->packed) { - VertexFormat_pack(&verts->format); - } - return verts; - - /* this function might seem redundant, but there is potential for memory savings here... */ - /* TODO: implement those memory savings */ -} - -void GWN_vertbuf_init(Gwn_VertBuf* verts, Gwn_UsageType usage) -{ - memset(verts, 0, sizeof(Gwn_VertBuf)); - verts->usage = usage; - verts->dirty = true; -} - -void GWN_vertbuf_init_with_format_ex(Gwn_VertBuf* verts, const Gwn_VertFormat* format, Gwn_UsageType usage) -{ - GWN_vertbuf_init(verts, usage); - GWN_vertformat_copy(&verts->format, format); - if (!format->packed) { - VertexFormat_pack(&verts->format); - } -} - -void GWN_vertbuf_discard(Gwn_VertBuf* verts) -{ - if (verts->vbo_id) { - GWN_buf_id_free(verts->vbo_id); -#if VRAM_USAGE - vbo_memory_usage -= GWN_vertbuf_size_get(verts); -#endif - } - if (verts->data) { - free(verts->data); - } - free(verts); -} - -uint GWN_vertbuf_size_get(const Gwn_VertBuf* verts) -{ - return vertex_buffer_size(&verts->format, verts->vertex_len); -} - -/* create a new allocation, discarding any existing data */ -void GWN_vertbuf_data_alloc(Gwn_VertBuf* verts, uint v_len) -{ - Gwn_VertFormat* format = &verts->format; - if (!format->packed) { - VertexFormat_pack(format); - } -#if TRUST_NO_ONE - /* catch any unnecessary use */ - assert(verts->vertex_alloc != v_len || verts->data == NULL); -#endif - /* only create the buffer the 1st time */ - if (verts->vbo_id == 0) { - verts->vbo_id = GWN_buf_id_alloc(); - } - /* discard previous data if any */ - if (verts->data) { - free(verts->data); - } -#if VRAM_USAGE - uint new_size = vertex_buffer_size(&verts->format, v_len); - vbo_memory_usage += new_size - GWN_vertbuf_size_get(verts); -#endif - verts->dirty = true; - verts->vertex_len = verts->vertex_alloc = v_len; - verts->data = malloc(sizeof(GLubyte) * GWN_vertbuf_size_get(verts)); -} - -/* resize buffer keeping existing data */ -void GWN_vertbuf_data_resize(Gwn_VertBuf* verts, uint v_len) -{ -#if TRUST_NO_ONE - assert(verts->data != NULL); - assert(verts->vertex_alloc != v_len); -#endif - -#if VRAM_USAGE - uint new_size = vertex_buffer_size(&verts->format, v_len); - vbo_memory_usage += new_size - GWN_vertbuf_size_get(verts); -#endif - verts->dirty = true; - verts->vertex_len = verts->vertex_alloc = v_len; - verts->data = realloc(verts->data, sizeof(GLubyte) * GWN_vertbuf_size_get(verts)); -} - -/* Set vertex count but does not change allocation. - * Only this many verts will be uploaded to the GPU and rendered. - * This is usefull for streaming data. */ -void GWN_vertbuf_vertex_count_set(Gwn_VertBuf* verts, uint v_len) -{ -#if TRUST_NO_ONE - assert(verts->data != NULL); /* only for dynamic data */ - assert(v_len <= verts->vertex_alloc); -#endif - -#if VRAM_USAGE - uint new_size = vertex_buffer_size(&verts->format, v_len); - vbo_memory_usage += new_size - GWN_vertbuf_size_get(verts); -#endif - verts->vertex_len = v_len; -} - -void GWN_vertbuf_attr_set(Gwn_VertBuf* verts, uint a_idx, uint v_idx, const void* data) -{ - const Gwn_VertFormat* format = &verts->format; - const Gwn_VertAttr* a = format->attribs + a_idx; - -#if TRUST_NO_ONE - assert(a_idx < format->attr_len); - assert(v_idx < verts->vertex_alloc); - assert(verts->data != NULL); -#endif - verts->dirty = true; - memcpy((GLubyte*)verts->data + a->offset + v_idx * format->stride, data, a->sz); -} - -void GWN_vertbuf_attr_fill(Gwn_VertBuf* verts, uint a_idx, const void* data) -{ - const Gwn_VertFormat* format = &verts->format; - const Gwn_VertAttr* a = format->attribs + a_idx; - -#if TRUST_NO_ONE - assert(a_idx < format->attr_len); -#endif - const uint stride = a->sz; /* tightly packed input data */ - - GWN_vertbuf_attr_fill_stride(verts, a_idx, stride, data); -} - -void GWN_vertbuf_attr_fill_stride(Gwn_VertBuf* verts, uint a_idx, uint stride, const void* data) -{ - const Gwn_VertFormat* format = &verts->format; - const Gwn_VertAttr* a = format->attribs + a_idx; - -#if TRUST_NO_ONE - assert(a_idx < format->attr_len); - assert(verts->data != NULL); -#endif - verts->dirty = true; - const uint vertex_len = verts->vertex_len; - - if (format->attr_len == 1 && stride == format->stride) { - /* we can copy it all at once */ - memcpy(verts->data, data, vertex_len * a->sz); - } - else { - /* we must copy it per vertex */ - for (uint v = 0; v < vertex_len; ++v) { - memcpy((GLubyte*)verts->data + a->offset + v * format->stride, (const GLubyte*)data + v * stride, a->sz); - } - } -} - -void GWN_vertbuf_attr_get_raw_data(Gwn_VertBuf* verts, uint a_idx, Gwn_VertBufRaw *access) -{ - const Gwn_VertFormat* format = &verts->format; - const Gwn_VertAttr* a = format->attribs + a_idx; - -#if TRUST_NO_ONE - assert(a_idx < format->attr_len); - assert(verts->data != NULL); -#endif - - verts->dirty = true; - - access->size = a->sz; - access->stride = format->stride; - access->data = (GLubyte*)verts->data + a->offset; - access->data_init = access->data; -#if TRUST_NO_ONE - access->_data_end = access->data_init + (size_t)(verts->vertex_alloc * format->stride); -#endif -} - -static void VertBuffer_upload_data(Gwn_VertBuf* verts) -{ - uint buffer_sz = GWN_vertbuf_size_get(verts); - - /* orphan the vbo to avoid sync */ - glBufferData(GL_ARRAY_BUFFER, buffer_sz, NULL, convert_usage_type_to_gl(verts->usage)); - /* upload data */ - glBufferSubData(GL_ARRAY_BUFFER, 0, buffer_sz, verts->data); - - if (verts->usage == GWN_USAGE_STATIC) { - free(verts->data); - verts->data = NULL; - } - verts->dirty = false; -} - -void GWN_vertbuf_use(Gwn_VertBuf* verts) -{ - glBindBuffer(GL_ARRAY_BUFFER, verts->vbo_id); - if (verts->dirty) { - VertBuffer_upload_data(verts); - } -} - -uint GWN_vertbuf_get_memory_usage(void) -{ - return vbo_memory_usage; -} diff --git a/intern/gawain/src/gwn_vertex_format.c b/intern/gawain/src/gwn_vertex_format.c deleted file mode 100644 index 41179ae21eb..00000000000 --- a/intern/gawain/src/gwn_vertex_format.c +++ /dev/null @@ -1,310 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2016 by Mike Erwin. - * All rights reserved. - * - * Contributor(s): Blender Foundation, Clément Foucault - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file blender/gpu/intern/gwn_vertex_format.c - * \ingroup gpu - * - * Gawain vertex format - */ - -#include "gwn_vertex_format.h" -#include "gwn_vertex_format_private.h" -#include <stddef.h> -#include <string.h> - -#define PACK_DEBUG 0 - -#if PACK_DEBUG - #include <stdio.h> -#endif - -void GWN_vertformat_clear(Gwn_VertFormat* format) -{ -#if TRUST_NO_ONE - memset(format, 0, sizeof(Gwn_VertFormat)); -#else - format->attr_len = 0; - format->packed = false; - format->name_offset = 0; - format->name_len = 0; - - for (unsigned i = 0; i < GWN_VERT_ATTR_MAX_LEN; i++) { - format->attribs[i].name_len = 0; - } -#endif -} - -void GWN_vertformat_copy(Gwn_VertFormat* dest, const Gwn_VertFormat* src) -{ - /* copy regular struct fields */ - memcpy(dest, src, sizeof(Gwn_VertFormat)); - - for (unsigned i = 0; i < dest->attr_len; i++) { - for (unsigned j = 0; j < dest->attribs[i].name_len; j++) { - dest->attribs[i].name[j] = (char *)dest + (src->attribs[i].name[j] - ((char *)src)); - } - } -} - -static GLenum convert_comp_type_to_gl(Gwn_VertCompType type) -{ - static const GLenum table[] = { - [GWN_COMP_I8] = GL_BYTE, - [GWN_COMP_U8] = GL_UNSIGNED_BYTE, - [GWN_COMP_I16] = GL_SHORT, - [GWN_COMP_U16] = GL_UNSIGNED_SHORT, - [GWN_COMP_I32] = GL_INT, - [GWN_COMP_U32] = GL_UNSIGNED_INT, - - [GWN_COMP_F32] = GL_FLOAT, - - [GWN_COMP_I10] = GL_INT_2_10_10_10_REV - }; - return table[type]; -} - -static unsigned comp_sz(Gwn_VertCompType type) -{ -#if TRUST_NO_ONE - assert(type <= GWN_COMP_F32); /* other types have irregular sizes (not bytes) */ -#endif - const GLubyte sizes[] = {1,1,2,2,4,4,4}; - return sizes[type]; -} - -static unsigned attrib_sz(const Gwn_VertAttr *a) -{ - if (a->comp_type == GWN_COMP_I10) { - return 4; /* always packed as 10_10_10_2 */ - } - return a->comp_len * comp_sz(a->comp_type); -} - -static unsigned attrib_align(const Gwn_VertAttr *a) -{ - if (a->comp_type == GWN_COMP_I10) { - return 4; /* always packed as 10_10_10_2 */ - } - unsigned c = comp_sz(a->comp_type); - if (a->comp_len == 3 && c <= 2) { - return 4 * c; /* AMD HW can't fetch these well, so pad it out (other vendors too?) */ - } - else { - return c; /* most fetches are ok if components are naturally aligned */ - } -} - -unsigned vertex_buffer_size(const Gwn_VertFormat* format, unsigned vertex_len) -{ -#if TRUST_NO_ONE - assert(format->packed && format->stride > 0); -#endif - return format->stride * vertex_len; -} - -static const char* copy_attrib_name(Gwn_VertFormat* format, const char* name) -{ - /* strncpy does 110% of what we need; let's do exactly 100% */ - char* name_copy = format->names + format->name_offset; - unsigned available = GWN_VERT_ATTR_NAMES_BUF_LEN - format->name_offset; - bool terminated = false; - - for (unsigned i = 0; i < available; ++i) { - const char c = name[i]; - name_copy[i] = c; - if (c == '\0') { - terminated = true; - format->name_offset += (i + 1); - break; - } - } -#if TRUST_NO_ONE - assert(terminated); - assert(format->name_offset <= GWN_VERT_ATTR_NAMES_BUF_LEN); -#else - (void)terminated; -#endif - return name_copy; -} - -unsigned GWN_vertformat_attr_add(Gwn_VertFormat* format, const char* name, Gwn_VertCompType comp_type, unsigned comp_len, Gwn_VertFetchMode fetch_mode) -{ -#if TRUST_NO_ONE - assert(format->name_len < GWN_VERT_ATTR_MAX_LEN); /* there's room for more */ - assert(format->attr_len < GWN_VERT_ATTR_MAX_LEN); /* there's room for more */ - assert(!format->packed); /* packed means frozen/locked */ - assert((comp_len >= 1 && comp_len <= 4) || comp_len == 8 || comp_len == 12 || comp_len == 16); - - switch (comp_type) { - case GWN_COMP_F32: - /* float type can only kept as float */ - assert(fetch_mode == GWN_FETCH_FLOAT); - break; - case GWN_COMP_I10: - /* 10_10_10 format intended for normals (xyz) or colors (rgb) - * extra component packed.w can be manually set to { -2, -1, 0, 1 } */ - assert(comp_len == 3 || comp_len == 4); - assert(fetch_mode == GWN_FETCH_INT_TO_FLOAT_UNIT); /* not strictly required, may relax later */ - break; - default: - /* integer types can be kept as int or converted/normalized to float */ - assert(fetch_mode != GWN_FETCH_FLOAT); - /* only support float matrices (see Batch_update_program_bindings) */ - assert(comp_len != 8 && comp_len != 12 && comp_len != 16); - } -#endif - format->name_len++; /* multiname support */ - - const unsigned attrib_id = format->attr_len++; - Gwn_VertAttr* attrib = format->attribs + attrib_id; - - attrib->name[attrib->name_len++] = copy_attrib_name(format, name); - attrib->comp_type = comp_type; - attrib->gl_comp_type = convert_comp_type_to_gl(comp_type); - attrib->comp_len = (comp_type == GWN_COMP_I10) ? 4 : comp_len; /* system needs 10_10_10_2 to be 4 or BGRA */ - attrib->sz = attrib_sz(attrib); - attrib->offset = 0; /* offsets & stride are calculated later (during pack) */ - attrib->fetch_mode = fetch_mode; - - return attrib_id; -} - -void GWN_vertformat_alias_add(Gwn_VertFormat* format, const char* alias) -{ - Gwn_VertAttr* attrib = format->attribs + (format->attr_len - 1); -#if TRUST_NO_ONE - assert(format->name_len < GWN_VERT_ATTR_MAX_LEN); /* there's room for more */ - assert(attrib->name_len < GWN_VERT_ATTR_MAX_NAMES); -#endif - format->name_len++; /* multiname support */ - attrib->name[attrib->name_len++] = copy_attrib_name(format, alias); -} - -unsigned padding(unsigned offset, unsigned alignment) -{ - const unsigned mod = offset % alignment; - return (mod == 0) ? 0 : (alignment - mod); -} - -#if PACK_DEBUG -static void show_pack(unsigned a_idx, unsigned sz, unsigned pad) -{ - const char c = 'A' + a_idx; - for (unsigned i = 0; i < pad; ++i) { - putchar('-'); - } - for (unsigned i = 0; i < sz; ++i) { - putchar(c); - } -} -#endif - -void VertexFormat_pack(Gwn_VertFormat* format) -{ - /* For now, attributes are packed in the order they were added, - * making sure each attrib is naturally aligned (add padding where necessary) - * Later we can implement more efficient packing w/ reordering - * (keep attrib ID order, adjust their offsets to reorder in buffer). */ - - /* TODO: realloc just enough to hold the final combo string. And just enough to - * hold used attribs, not all 16. */ - - Gwn_VertAttr* a0 = format->attribs + 0; - a0->offset = 0; - unsigned offset = a0->sz; - -#if PACK_DEBUG - show_pack(0, a0->sz, 0); -#endif - - for (unsigned a_idx = 1; a_idx < format->attr_len; ++a_idx) { - Gwn_VertAttr* a = format->attribs + a_idx; - unsigned mid_padding = padding(offset, attrib_align(a)); - offset += mid_padding; - a->offset = offset; - offset += a->sz; - -#if PACK_DEBUG - show_pack(a_idx, a->sz, mid_padding); -#endif - } - - unsigned end_padding = padding(offset, attrib_align(a0)); - -#if PACK_DEBUG - show_pack(0, 0, end_padding); - putchar('\n'); -#endif - format->stride = offset + end_padding; - format->packed = true; -} - - -/* OpenGL ES packs in a different order as desktop GL but component conversion is the same. - * Of the code here, only struct Gwn_PackedNormal needs to change. */ - -#define SIGNED_INT_10_MAX 511 -#define SIGNED_INT_10_MIN -512 - -static int clampi(int x, int min_allowed, int max_allowed) -{ -#if TRUST_NO_ONE - assert(min_allowed <= max_allowed); -#endif - if (x < min_allowed) { - return min_allowed; - } - else if (x > max_allowed) { - return max_allowed; - } - else { - return x; - } -} - -static int quantize(float x) -{ - int qx = x * 511.0f; - return clampi(qx, SIGNED_INT_10_MIN, SIGNED_INT_10_MAX); -} - -static int convert_i16(short x) -{ - /* 16-bit signed --> 10-bit signed */ - /* TODO: round? */ - return x >> 6; -} - -Gwn_PackedNormal GWN_normal_convert_i10_v3(const float data[3]) -{ - Gwn_PackedNormal n = { .x = quantize(data[0]), .y = quantize(data[1]), .z = quantize(data[2]) }; - return n; -} - -Gwn_PackedNormal GWN_normal_convert_i10_s3(const short data[3]) -{ - Gwn_PackedNormal n = { .x = convert_i16(data[0]), .y = convert_i16(data[1]), .z = convert_i16(data[2]) }; - return n; -} |