diff options
Diffstat (limited to 'source/blender/gpu/opengl')
| -rw-r--r-- | source/blender/gpu/opengl/gl_batch.cc | 321 | ||||
| -rw-r--r-- | source/blender/gpu/opengl/gl_batch.hh | 49 | ||||
| -rw-r--r-- | source/blender/gpu/opengl/gl_context.cc | 15 | ||||
| -rw-r--r-- | source/blender/gpu/opengl/gl_context.hh | 13 | ||||
| -rw-r--r-- | source/blender/gpu/opengl/gl_vertex_array.cc | 158 | ||||
| -rw-r--r-- | source/blender/gpu/opengl/gl_vertex_array.hh | 44 |
6 files changed, 570 insertions, 30 deletions
diff --git a/source/blender/gpu/opengl/gl_batch.cc b/source/blender/gpu/opengl/gl_batch.cc index 62d81ad9f5a..00e1a61f7cf 100644 --- a/source/blender/gpu/opengl/gl_batch.cc +++ b/source/blender/gpu/opengl/gl_batch.cc @@ -29,13 +29,254 @@ #include "glew-mx.h" +#include "GPU_extensions.h" + #include "gpu_batch_private.hh" #include "gpu_primitive_private.h" +#include "gpu_shader_private.h" #include "gl_batch.hh" +#include "gl_context.hh" +#include "gl_vertex_array.hh" using namespace blender::gpu; +/* -------------------------------------------------------------------- */ +/** \name Vao cache + * + * Each GLBatch has a small cache of VAO objects that are used to avoid VAO reconfiguration. + * TODO(fclem) Could be revisited to avoid so much cross references. + * \{ */ + +GLVaoCache::GLVaoCache(void) +{ + init(); +} + +GLVaoCache::~GLVaoCache() +{ + this->clear(); +} + +void GLVaoCache::init(void) +{ + context_ = NULL; + interface_ = NULL; + is_dynamic_vao_count = false; + for (int i = 0; i < GPU_VAO_STATIC_LEN; i++) { + static_vaos.interfaces[i] = NULL; + static_vaos.vao_ids[i] = 0; + } + vao_base_instance_ = 0; + base_instance_ = 0; +} + +/* Create a new VAO object and store it in the cache. */ +void GLVaoCache::insert(const GPUShaderInterface *interface, GLuint vao) +{ + /* Now insert the cache. */ + if (!is_dynamic_vao_count) { + int i; /* find first unused slot */ + for (i = 0; i < GPU_VAO_STATIC_LEN; i++) { + if (static_vaos.vao_ids[i] == 0) { + break; + } + } + + if (i < GPU_VAO_STATIC_LEN) { + static_vaos.interfaces[i] = interface; + static_vaos.vao_ids[i] = vao; + } + else { + /* Erase previous entries, they will be added back if drawn again. */ + for (int i = 0; i < GPU_VAO_STATIC_LEN; i++) { + if (static_vaos.interfaces[i] != NULL) { + GPU_shaderinterface_remove_batch_ref( + const_cast<GPUShaderInterface *>(static_vaos.interfaces[i]), this); + context_->vao_free(static_vaos.vao_ids[i]); + } + } + /* Not enough place switch to dynamic. */ + is_dynamic_vao_count = true; + /* Init dynamic arrays and let the branch below set the values. */ + dynamic_vaos.count = GPU_BATCH_VAO_DYN_ALLOC_COUNT; + dynamic_vaos.interfaces = (const GPUShaderInterface **)MEM_callocN( + dynamic_vaos.count * sizeof(GPUShaderInterface *), "dyn vaos interfaces"); + dynamic_vaos.vao_ids = (GLuint *)MEM_callocN(dynamic_vaos.count * sizeof(GLuint), + "dyn vaos ids"); + } + } + + if (is_dynamic_vao_count) { + int i; /* find first unused slot */ + for (i = 0; i < dynamic_vaos.count; i++) { + if (dynamic_vaos.vao_ids[i] == 0) { + break; + } + } + + if (i == dynamic_vaos.count) { + /* Not enough place, realloc the array. */ + i = dynamic_vaos.count; + dynamic_vaos.count += GPU_BATCH_VAO_DYN_ALLOC_COUNT; + dynamic_vaos.interfaces = (const GPUShaderInterface **)MEM_recallocN( + (void *)dynamic_vaos.interfaces, sizeof(GPUShaderInterface *) * dynamic_vaos.count); + dynamic_vaos.vao_ids = (GLuint *)MEM_recallocN(dynamic_vaos.vao_ids, + sizeof(GLuint) * dynamic_vaos.count); + } + dynamic_vaos.interfaces[i] = interface; + dynamic_vaos.vao_ids[i] = vao; + } + + GPU_shaderinterface_add_batch_ref(const_cast<GPUShaderInterface *>(interface), this); +} + +void GLVaoCache::remove(const GPUShaderInterface *interface) +{ + const int count = (is_dynamic_vao_count) ? dynamic_vaos.count : GPU_VAO_STATIC_LEN; + GLuint *vaos = (is_dynamic_vao_count) ? dynamic_vaos.vao_ids : static_vaos.vao_ids; + const GPUShaderInterface **interfaces = (is_dynamic_vao_count) ? dynamic_vaos.interfaces : + static_vaos.interfaces; + for (int i = 0; i < count; i++) { + if (interfaces[i] == interface) { + context_->vao_free(vaos[i]); + vaos[i] = 0; + interfaces[i] = NULL; + break; /* cannot have duplicates */ + } + } +} + +void GLVaoCache::clear(void) +{ + GLContext *ctx = static_cast<GLContext *>(GPU_context_active_get()); + const int count = (is_dynamic_vao_count) ? dynamic_vaos.count : GPU_VAO_STATIC_LEN; + GLuint *vaos = (is_dynamic_vao_count) ? dynamic_vaos.vao_ids : static_vaos.vao_ids; + const GPUShaderInterface **interfaces = (is_dynamic_vao_count) ? dynamic_vaos.interfaces : + static_vaos.interfaces; + /* Early out, nothing to free. */ + if (context_ == NULL) { + return; + } + + if (context_ == ctx) { + glDeleteVertexArrays(count, vaos); + glDeleteVertexArrays(1, &vao_base_instance_); + } + else { + /* TODO(fclem) Slow way. Could avoid multiple mutex lock here */ + for (int i = 0; i < count; i++) { + context_->vao_free(vaos[i]); + } + context_->vao_free(vao_base_instance_); + } + + for (int i = 0; i < count; i++) { + if (interfaces[i] == NULL) { + continue; + } + GPU_shaderinterface_remove_batch_ref(const_cast<GPUShaderInterface *>(interfaces[i]), this); + } + + if (is_dynamic_vao_count) { + MEM_freeN((void *)dynamic_vaos.interfaces); + MEM_freeN(dynamic_vaos.vao_ids); + } + + if (context_) { + context_->vao_cache_unregister(this); + } + /* Reinit. */ + this->init(); +} + +/* Return 0 on cache miss (invalid VAO) */ +GLuint GLVaoCache::lookup(const GPUShaderInterface *interface) +{ + const int count = (is_dynamic_vao_count) ? dynamic_vaos.count : GPU_VAO_STATIC_LEN; + const GPUShaderInterface **interfaces = (is_dynamic_vao_count) ? dynamic_vaos.interfaces : + static_vaos.interfaces; + for (int i = 0; i < count; i++) { + if (interfaces[i] == interface) { + return (is_dynamic_vao_count) ? dynamic_vaos.vao_ids[i] : static_vaos.vao_ids[i]; + } + } + return 0; +} + +/* The GLVaoCache object is only valid for one GLContext. + * Reset the cache if trying to draw in another context; */ +void GLVaoCache::context_check(void) +{ + GLContext *ctx = static_cast<GLContext *>(GPU_context_active_get()); + BLI_assert(ctx); + + if (context_ != ctx) { + if (context_ != NULL) { + /* IMPORTANT: Trying to draw a batch in multiple different context will trash the VAO cache. + * This has major performance impact and should be avoided in most cases. */ + context_->vao_cache_unregister(this); + } + this->clear(); + context_ = ctx; + context_->vao_cache_register(this); + } +} + +GLuint GLVaoCache::base_instance_vao_get(GPUBatch *batch, int i_first) +{ + this->context_check(); + /* Make sure the interface is up to date. */ + if (interface_ != GPU_context_active_get()->shader->interface) { + vao_get(batch); + /* Trigger update. */ + base_instance_ = 0; + } + /** + * There seems to be a nasty bug when drawing using the same VAO reconfiguring (T71147). + * We just use a throwaway VAO for that. Note that this is likely to degrade performance. + **/ +#ifdef __APPLE__ + glDeleteVertexArrays(1, &vao_base_instance_); + vao_base_instance_ = 0; +#endif + + if (vao_base_instance_ == 0) { + glGenVertexArrays(1, &vao_base_instance_); + } + + if (base_instance_ != i_first) { + base_instance_ = i_first; + GLVertArray::update_bindings(vao_base_instance_, batch, interface_, i_first); + } + return base_instance_; +} + +GLuint GLVaoCache::vao_get(GPUBatch *batch) +{ + this->context_check(); + + GPUContext *ctx = GPU_context_active_get(); + if (interface_ != ctx->shader->interface) { + interface_ = ctx->shader->interface; + vao_id_ = this->lookup(interface_); + + if (vao_id_ == 0) { + /* Cache miss, create a new VAO. */ + glGenVertexArrays(1, &vao_id_); + this->insert(interface_, vao_id_); + GLVertArray::update_bindings(vao_id_, batch, interface_, 0); + } + } + + return vao_id_; +} +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Creation & Deletion + * \{ */ + GLBatch::GLBatch(void) { } @@ -44,7 +285,83 @@ GLBatch::~GLBatch() { } +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Drawing + * \{ */ + +#if GPU_TRACK_INDEX_RANGE +# define BASE_INDEX(el) ((el)->base_index) +# define INDEX_TYPE(el) ((el)->gl_index_type) +#else +# define BASE_INDEX(el) 0 +# define INDEX_TYPE(el) GL_UNSIGNED_INT +#endif + +void GLBatch::bind(int i_first) +{ + if (flag & GPU_BATCH_DIRTY) { + vao_cache_.clear(); + } + +#if GPU_TRACK_INDEX_RANGE + /* Can be removed if GL 4.3 is required. */ + if (!GLEW_ARB_ES3_compatibility && (elem != NULL)) { + glPrimitiveRestartIndex((elem->index_type == GPU_INDEX_U16) ? 0xFFFFu : 0xFFFFFFFFu); + } +#endif + + /* Can be removed if GL 4.2 is required. */ + if (!GPU_arb_base_instance_is_supported() && (i_first > 0)) { + glBindVertexArray(vao_cache_.base_instance_vao_get(this, i_first)); + } + else { + glBindVertexArray(vao_cache_.vao_get(this)); + } +} + void GLBatch::draw(int v_first, int v_count, int i_first, int i_count) { - UNUSED_VARS(v_first, v_count, i_first, i_count); -}
\ No newline at end of file + this->bind(i_first); + + GLenum gl_type = convert_prim_type_to_gl(prim_type); + + if (elem) { + const GPUIndexBuf *el = elem; + GLenum index_type = INDEX_TYPE(el); + GLint base_index = BASE_INDEX(el); + void *v_first_ofs = (GLuint *)0 + v_first + el->index_start; + +#if GPU_TRACK_INDEX_RANGE + if (el->index_type == GPU_INDEX_U16) { + v_first_ofs = (GLushort *)0 + v_first + el->index_start; + } +#endif + + if (GPU_arb_base_instance_is_supported()) { + glDrawElementsInstancedBaseVertexBaseInstance( + gl_type, v_count, index_type, v_first_ofs, i_count, base_index, i_first); + } + else { + glDrawElementsInstancedBaseVertex( + gl_type, v_count, index_type, v_first_ofs, i_count, base_index); + } + } + else { +#ifdef __APPLE__ + glDisable(GL_PRIMITIVE_RESTART); +#endif + if (GPU_arb_base_instance_is_supported()) { + glDrawArraysInstancedBaseInstance(gl_type, v_first, v_count, i_count, i_first); + } + else { + glDrawArraysInstanced(gl_type, v_first, v_count, i_count); + } +#ifdef __APPLE__ + glEnable(GL_PRIMITIVE_RESTART); +#endif + } +} + +/** \} */ diff --git a/source/blender/gpu/opengl/gl_batch.hh b/source/blender/gpu/opengl/gl_batch.hh index 290c113205a..490c9180a99 100644 --- a/source/blender/gpu/opengl/gl_batch.hh +++ b/source/blender/gpu/opengl/gl_batch.hh @@ -37,18 +37,29 @@ namespace blender { namespace gpu { -#define GPU_BATCH_VAO_STATIC_LEN 3 +#define GPU_VAO_STATIC_LEN 3 +/* Vao management: remembers all geometry state (vertex attribute bindings & element buffer) + * for each shader interface. Start with a static number of vaos and fallback to dynamic count + * if necessary. Once a batch goes dynamic it does not go back. */ class GLVaoCache { - /* Vao management: remembers all geometry state (vertex attribute bindings & element buffer) - * for each shader interface. Start with a static number of vaos and fallback to dynamic count - * if necessary. Once a batch goes dynamic it does not go back. */ + private: + /** Context for which the vao_cache_ was generated. */ + struct GLContext *context_ = NULL; + /** Last interface this batch was drawn with. */ + GPUShaderInterface *interface_ = NULL; + /** Cached vao for the last interface. */ + GLuint vao_id_ = 0; + /** Used whend arb_base_instance is not supported. */ + GLuint vao_base_instance_ = 0; + int base_instance_ = 0; + bool is_dynamic_vao_count = false; union { /** Static handle count */ struct { - const GPUShaderInterface *interfaces[GPU_BATCH_VAO_STATIC_LEN]; - GLuint vao_ids[GPU_BATCH_VAO_STATIC_LEN]; + const GPUShaderInterface *interfaces[GPU_VAO_STATIC_LEN]; + GLuint vao_ids[GPU_VAO_STATIC_LEN]; } static_vaos; /** Dynamic handle count */ struct { @@ -58,18 +69,27 @@ class GLVaoCache { } dynamic_vaos; }; - GLuint search(const GPUShaderInterface *interface); - void insert(GLuint vao_id, const GPUShaderInterface *interface); + public: + GLVaoCache(); + ~GLVaoCache(); + + GLuint vao_get(GPUBatch *batch); + GLuint base_instance_vao_get(GPUBatch *batch, int i_first); + + GLuint lookup(const GPUShaderInterface *interface); + void insert(const GPUShaderInterface *interface, GLuint vao_id); + void remove(const GPUShaderInterface *interface); void clear(void); - void interface_remove(const GPUShaderInterface *interface); + + private: + void init(void); + void context_check(void); }; class GLBatch : public Batch { - private: - /** Cached values (avoid dereferencing later). */ - GLuint vao_id; + public: /** All vaos corresponding to all the GPUShaderInterface this batch was drawn with. */ - GLVaoCache vaos; + GLVaoCache vao_cache_; public: GLBatch(); @@ -77,6 +97,9 @@ class GLBatch : public Batch { void draw(int v_first, int v_count, int i_first, int i_count) override; + private: + void bind(int i_first); + MEM_CXX_CLASS_ALLOC_FUNCS("GLBatch"); }; diff --git a/source/blender/gpu/opengl/gl_context.cc b/source/blender/gpu/opengl/gl_context.cc index 00a10924ff6..dd413612879 100644 --- a/source/blender/gpu/opengl/gl_context.cc +++ b/source/blender/gpu/opengl/gl_context.cc @@ -63,8 +63,8 @@ GLContext::~GLContext() /* For now don't allow GPUFrameBuffers to be reuse in another context. */ BLI_assert(framebuffers_.is_empty()); /* Delete vaos so the batch can be reused in another context. */ - for (GPUBatch *batch : batches_) { - GPU_batch_vao_cache_clear(batch); + for (GLVaoCache *cache : vao_caches_) { + cache->clear(); } glDeleteVertexArrays(1, &default_vao_); glDeleteBuffers(1, &default_attr_vbo_); @@ -197,20 +197,17 @@ void GLBackend::tex_free(GLuint tex_id) * is discarded. * \{ */ -void GLContext::batch_register(struct GPUBatch *batch) +void GLContext::vao_cache_register(GLVaoCache *cache) { lists_mutex_.lock(); - batches_.add(batch); + vao_caches_.add(cache); lists_mutex_.unlock(); } -void GLContext::batch_unregister(struct GPUBatch *batch) +void GLContext::vao_cache_unregister(GLVaoCache *cache) { - /* vao_cache_clear() can acquire lists_mutex_ so avoid deadlock. */ - // reinterpret_cast<GLBatch *>(batch)->vao_cache_clear(); - lists_mutex_.lock(); - batches_.remove(batch); + vao_caches_.remove(cache); lists_mutex_.unlock(); } diff --git a/source/blender/gpu/opengl/gl_context.hh b/source/blender/gpu/opengl/gl_context.hh index 3b55965b9d1..f3ff5cb47f4 100644 --- a/source/blender/gpu/opengl/gl_context.hh +++ b/source/blender/gpu/opengl/gl_context.hh @@ -25,15 +25,16 @@ #include "gpu_context_private.hh" +#include "GPU_framebuffer.h" + #include "BLI_set.hh" #include "BLI_vector.hh" #include "glew-mx.h" -#include <iostream> +#include "gl_batch.hh" + #include <mutex> -#include <unordered_set> -#include <vector> namespace blender { namespace gpu { @@ -63,7 +64,7 @@ class GLContext : public GPUContext { * GPUBatch & GPUFramebuffer have references to the context they are from, in the case the * context is destroyed, we need to remove any reference to it. */ - Set<GPUBatch *> batches_; + Set<GLVaoCache *> vao_caches_; Set<GPUFrameBuffer *> framebuffers_; /** Mutex for the bellow structures. */ std::mutex lists_mutex_; @@ -87,8 +88,8 @@ class GLContext : public GPUContext { void vao_free(GLuint vao_id); void fbo_free(GLuint fbo_id); - void batch_register(struct GPUBatch *batch); - void batch_unregister(struct GPUBatch *batch); + void vao_cache_register(GLVaoCache *cache); + void vao_cache_unregister(GLVaoCache *cache); void framebuffer_register(struct GPUFrameBuffer *fb); void framebuffer_unregister(struct GPUFrameBuffer *fb); }; diff --git a/source/blender/gpu/opengl/gl_vertex_array.cc b/source/blender/gpu/opengl/gl_vertex_array.cc new file mode 100644 index 00000000000..907dc37e46f --- /dev/null +++ b/source/blender/gpu/opengl/gl_vertex_array.cc @@ -0,0 +1,158 @@ +/* + * 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. + */ + +/** \file + * \ingroup gpu + */ + +#include "GPU_glew.h" + +#include "GPU_shader_interface.h" +#include "GPU_vertex_buffer.h" + +#include "gpu_vertex_format_private.h" + +#include "gl_batch.hh" +#include "gl_context.hh" + +#include "gl_vertex_array.hh" + +using namespace blender::gpu; + +/* -------------------------------------------------------------------- */ +/** \name Vertex Array Bindings + * \{ */ + +/* Returns enabled vertex pointers as a bitflag (one bit per attrib). */ +static uint16_t vbo_bind(const GPUShaderInterface *interface, + const GPUVertFormat *format, + uint v_first, + uint v_len, + const bool use_instancing) +{ + uint16_t enabled_attrib = 0; + const uint attr_len = format->attr_len; + uint stride = format->stride; + uint offset = 0; + GLuint divisor = (use_instancing) ? 1 : 0; + + for (uint a_idx = 0; a_idx < attr_len; a_idx++) { + const GPUVertAttr *a = &format->attrs[a_idx]; + + if (format->deinterleaved) { + offset += ((a_idx == 0) ? 0 : format->attrs[a_idx - 1].sz) * v_len; + stride = a->sz; + } + else { + offset = a->offset; + } + + const GLvoid *pointer = (const GLubyte *)0 + offset + v_first * stride; + const GLenum type = convert_comp_type_to_gl(static_cast<GPUVertCompType>(a->comp_type)); + + for (uint n_idx = 0; n_idx < a->name_len; n_idx++) { + const char *name = GPU_vertformat_attr_name_get(format, a, n_idx); + const GPUShaderInput *input = GPU_shaderinterface_attr(interface, name); + + if (input == NULL) { + continue; + } + + enabled_attrib |= (1 << input->location); + + if (a->comp_len == 16 || a->comp_len == 12 || a->comp_len == 8) { + BLI_assert(a->fetch_mode == GPU_FETCH_FLOAT); + BLI_assert(a->comp_type == GPU_COMP_F32); + for (int i = 0; i < a->comp_len / 4; i++) { + glEnableVertexAttribArray(input->location + i); + glVertexAttribDivisor(input->location + i, divisor); + glVertexAttribPointer( + input->location + i, 4, type, GL_FALSE, stride, (const GLubyte *)pointer + i * 16); + } + } + else { + glEnableVertexAttribArray(input->location); + glVertexAttribDivisor(input->location, divisor); + + switch (a->fetch_mode) { + case GPU_FETCH_FLOAT: + case GPU_FETCH_INT_TO_FLOAT: + glVertexAttribPointer(input->location, a->comp_len, type, GL_FALSE, stride, pointer); + break; + case GPU_FETCH_INT_TO_FLOAT_UNIT: + glVertexAttribPointer(input->location, a->comp_len, type, GL_TRUE, stride, pointer); + break; + case GPU_FETCH_INT: + glVertexAttribIPointer(input->location, a->comp_len, type, stride, pointer); + break; + } + } + } + } + return enabled_attrib; +} + +/* Update the Attrib Binding of the currently bound VAO. */ +void GLVertArray::update_bindings(const GLuint vao, + const GPUBatch *batch, + const GPUShaderInterface *interface, + const int base_instance) +{ + uint16_t attr_mask = interface->enabled_attr_mask; + + glBindVertexArray(vao); + + /* Reverse order so first VBO'S have more prevalence (in term of attribute override). */ + for (int v = GPU_BATCH_VBO_MAX_LEN - 1; v > -1; v--) { + GPUVertBuf *vbo = batch->verts[v]; + if (vbo) { + GPU_vertbuf_use(vbo); + attr_mask &= ~vbo_bind(interface, &vbo->format, 0, vbo->vertex_len, false); + } + } + + for (int v = GPU_BATCH_INST_VBO_MAX_LEN - 1; v > -1; v--) { + GPUVertBuf *vbo = batch->inst[v]; + if (vbo) { + GPU_vertbuf_use(vbo); + attr_mask &= ~vbo_bind(interface, &vbo->format, base_instance, vbo->vertex_len, true); + } + } + + if (attr_mask != 0 && GLEW_ARB_vertex_attrib_binding) { + for (uint16_t mask = 1, a = 0; a < 16; a++, mask <<= 1) { + if (attr_mask & mask) { + GLContext *ctx = static_cast<GLContext *>(GPU_context_active_get()); + /* This replaces glVertexAttrib4f(a, 0.0f, 0.0f, 0.0f, 1.0f); with a more modern style. + * Fix issues for some drivers (see T75069). */ + glBindVertexBuffer(a, ctx->default_attr_vbo_, (intptr_t)0, (intptr_t)0); + glEnableVertexAttribArray(a); + glVertexAttribFormat(a, 4, GL_FLOAT, GL_FALSE, 0); + glVertexAttribBinding(a, a); + } + } + } + + if (batch->elem) { + /* Binds the index buffer. This state is also saved in the VAO. */ + GPU_indexbuf_use(batch->elem); + } +} + +/** \} */ diff --git a/source/blender/gpu/opengl/gl_vertex_array.hh b/source/blender/gpu/opengl/gl_vertex_array.hh new file mode 100644 index 00000000000..6da414d7e62 --- /dev/null +++ b/source/blender/gpu/opengl/gl_vertex_array.hh @@ -0,0 +1,44 @@ +/* + * 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) 2020 Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup gpu + */ + +#pragma once + +#include "glew-mx.h" + +#include "GPU_batch.h" +#include "GPU_shader_interface.h" + +namespace blender { +namespace gpu { + +namespace GLVertArray { + +void update_bindings(const GLuint vao, + const GPUBatch *batch, + const GPUShaderInterface *interface, + const int base_instance); + +} // namespace GLVertArray + +} // namespace gpu +} // namespace blender |