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path: root/source/blender/gpu/opengl/gl_shader.cc
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Diffstat (limited to 'source/blender/gpu/opengl/gl_shader.cc')
-rw-r--r--source/blender/gpu/opengl/gl_shader.cc117
1 files changed, 7 insertions, 110 deletions
diff --git a/source/blender/gpu/opengl/gl_shader.cc b/source/blender/gpu/opengl/gl_shader.cc
index 83b00da0446..1f2ef36716e 100644
--- a/source/blender/gpu/opengl/gl_shader.cc
+++ b/source/blender/gpu/opengl/gl_shader.cc
@@ -13,7 +13,6 @@
#include "GPU_capabilities.h"
#include "GPU_platform.h"
-#include "gl_backend.hh"
#include "gl_debug.hh"
#include "gl_vertex_buffer.hh"
@@ -546,7 +545,7 @@ std::string GLShader::vertex_interface_declare(const ShaderCreateInfo &info) con
if (!GLContext::native_barycentric_support) {
/* Disabled or unsupported. */
}
- else if (GLEW_AMD_shader_explicit_vertex_parameter) {
+ else if (epoxy_has_gl_extension("GL_AMD_shader_explicit_vertex_parameter")) {
/* Need this for stable barycentric. */
ss << "flat out vec4 gpu_pos_flat;\n";
ss << "out vec4 gpu_pos;\n";
@@ -582,7 +581,7 @@ std::string GLShader::fragment_interface_declare(const ShaderCreateInfo &info) c
ss << "noperspective in vec3 gpu_BaryCoordNoPersp;\n";
ss << "#define gpu_position_at_vertex(v) gpu_pos[v]\n";
}
- else if (GLEW_AMD_shader_explicit_vertex_parameter) {
+ else if (epoxy_has_gl_extension("GL_AMD_shader_explicit_vertex_parameter")) {
std::cout << "native" << std::endl;
/* NOTE(fclem): This won't work with geometry shader. Hopefully, we don't need geometry
* shader workaround if this extension/feature is detected. */
@@ -613,7 +612,7 @@ std::string GLShader::fragment_interface_declare(const ShaderCreateInfo &info) c
if (info.early_fragment_test_) {
ss << "layout(early_fragment_tests) in;\n";
}
- if (GLEW_ARB_conservative_depth) {
+ if (epoxy_has_gl_extension("GL_ARB_conservative_depth")) {
ss << "layout(" << to_string(info.depth_write_) << ") out float gl_FragDepth;\n";
}
ss << "\n/* Outputs. */\n";
@@ -806,7 +805,7 @@ static char *glsl_patch_default_get()
size_t slen = 0;
/* Version need to go first. */
- if (GLEW_VERSION_4_3) {
+ if (epoxy_gl_version() >= 43) {
STR_CONCAT(patch, slen, "#version 430\n");
}
else {
@@ -817,8 +816,8 @@ static char *glsl_patch_default_get()
* don't use an extension for something already available! */
if (GLContext::texture_gather_support) {
STR_CONCAT(patch, slen, "#extension GL_ARB_texture_gather: enable\n");
- /* Some drivers don't agree on GLEW_ARB_texture_gather and the actual support in the
- * shader so double check the preprocessor define (see T56544). */
+ /* Some drivers don't agree on epoxy_has_gl_extension("GL_ARB_texture_gather") and the actual
+ * support in the shader so double check the preprocessor define (see T56544). */
STR_CONCAT(patch, slen, "#ifdef GL_ARB_texture_gather\n");
STR_CONCAT(patch, slen, "# define GPU_ARB_texture_gather\n");
STR_CONCAT(patch, slen, "#endif\n");
@@ -836,7 +835,7 @@ static char *glsl_patch_default_get()
STR_CONCAT(patch, slen, "#extension GL_ARB_texture_cube_map_array : enable\n");
STR_CONCAT(patch, slen, "#define GPU_ARB_texture_cube_map_array\n");
}
- if (GLEW_ARB_conservative_depth) {
+ if (epoxy_has_gl_extension("GL_ARB_conservative_depth")) {
STR_CONCAT(patch, slen, "#extension GL_ARB_conservative_depth : enable\n");
}
if (GPU_shader_image_load_store_support()) {
@@ -1137,108 +1136,6 @@ void GLShader::uniform_int(int location, int comp_len, int array_size, const int
/** \name GPUVertFormat from Shader
* \{ */
-static uint calc_component_size(const GLenum gl_type)
-{
- switch (gl_type) {
- case GL_FLOAT_VEC2:
- case GL_INT_VEC2:
- case GL_UNSIGNED_INT_VEC2:
- return 2;
- case GL_FLOAT_VEC3:
- case GL_INT_VEC3:
- case GL_UNSIGNED_INT_VEC3:
- return 3;
- case GL_FLOAT_VEC4:
- case GL_FLOAT_MAT2:
- case GL_INT_VEC4:
- case GL_UNSIGNED_INT_VEC4:
- return 4;
- case GL_FLOAT_MAT3:
- return 9;
- case GL_FLOAT_MAT4:
- return 16;
- case GL_FLOAT_MAT2x3:
- case GL_FLOAT_MAT3x2:
- return 6;
- case GL_FLOAT_MAT2x4:
- case GL_FLOAT_MAT4x2:
- return 8;
- case GL_FLOAT_MAT3x4:
- case GL_FLOAT_MAT4x3:
- return 12;
- default:
- return 1;
- }
-}
-
-static void get_fetch_mode_and_comp_type(int gl_type,
- GPUVertCompType *r_comp_type,
- GPUVertFetchMode *r_fetch_mode)
-{
- switch (gl_type) {
- case GL_FLOAT:
- case GL_FLOAT_VEC2:
- case GL_FLOAT_VEC3:
- case GL_FLOAT_VEC4:
- case GL_FLOAT_MAT2:
- case GL_FLOAT_MAT3:
- case GL_FLOAT_MAT4:
- case GL_FLOAT_MAT2x3:
- case GL_FLOAT_MAT2x4:
- case GL_FLOAT_MAT3x2:
- case GL_FLOAT_MAT3x4:
- case GL_FLOAT_MAT4x2:
- case GL_FLOAT_MAT4x3:
- *r_comp_type = GPU_COMP_F32;
- *r_fetch_mode = GPU_FETCH_FLOAT;
- break;
- case GL_INT:
- case GL_INT_VEC2:
- case GL_INT_VEC3:
- case GL_INT_VEC4:
- *r_comp_type = GPU_COMP_I32;
- *r_fetch_mode = GPU_FETCH_INT;
- break;
- case GL_UNSIGNED_INT:
- case GL_UNSIGNED_INT_VEC2:
- case GL_UNSIGNED_INT_VEC3:
- case GL_UNSIGNED_INT_VEC4:
- *r_comp_type = GPU_COMP_U32;
- *r_fetch_mode = GPU_FETCH_INT;
- break;
- default:
- BLI_assert(0);
- }
-}
-
-void GLShader::vertformat_from_shader(GPUVertFormat *format) const
-{
- GPU_vertformat_clear(format);
-
- GLint attr_len;
- glGetProgramiv(shader_program_, GL_ACTIVE_ATTRIBUTES, &attr_len);
-
- for (int i = 0; i < attr_len; i++) {
- char name[256];
- GLenum gl_type;
- GLint size;
- glGetActiveAttrib(shader_program_, i, sizeof(name), nullptr, &size, &gl_type, name);
-
- /* Ignore OpenGL names like `gl_BaseInstanceARB`, `gl_InstanceID` and `gl_VertexID`. */
- if (glGetAttribLocation(shader_program_, name) == -1) {
- continue;
- }
-
- GPUVertCompType comp_type;
- GPUVertFetchMode fetch_mode;
- get_fetch_mode_and_comp_type(gl_type, &comp_type, &fetch_mode);
-
- int comp_len = calc_component_size(gl_type) * size;
-
- GPU_vertformat_attr_add(format, name, comp_type, comp_len, fetch_mode);
- }
-}
-
int GLShader::program_handle_get() const
{
return (int)this->shader_program_;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 18:22:24 +0300