diff options
Diffstat (limited to 'source/blender/gpu/opengl/gl_shader.cc')
| -rw-r--r-- | source/blender/gpu/opengl/gl_shader.cc | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/source/blender/gpu/opengl/gl_shader.cc b/source/blender/gpu/opengl/gl_shader.cc index dd08a67517e..e77347d99eb 100644 --- a/source/blender/gpu/opengl/gl_shader.cc +++ b/source/blender/gpu/opengl/gl_shader.cc @@ -26,6 +26,7 @@ #include "BLI_string.h" #include "BLI_vector.hh" +#include "GPU_capabilities.h" #include "GPU_platform.h" #include "gl_backend.hh" @@ -63,6 +64,7 @@ GLShader::~GLShader() glDeleteShader(vert_shader_); glDeleteShader(geom_shader_); glDeleteShader(frag_shader_); + glDeleteShader(compute_shader_); glDeleteProgram(shader_program_); } @@ -72,7 +74,7 @@ GLShader::~GLShader() /** \name Shader stage creation * \{ */ -char *GLShader::glsl_patch_get() +static char *glsl_patch_default_get() { /** Used for shader patching. Init once. */ static char patch[512] = "\0"; @@ -111,6 +113,30 @@ char *GLShader::glsl_patch_get() return patch; } +static char *glsl_patch_compute_get() +{ + /** Used for shader patching. Init once. */ + static char patch[512] = "\0"; + if (patch[0] != '\0') { + return patch; + } + + size_t slen = 0; + /* Version need to go first. */ + STR_CONCAT(patch, slen, "#version 430\n"); + STR_CONCAT(patch, slen, "#extension GL_ARB_compute_shader :enable\n"); + BLI_assert(slen < sizeof(patch)); + return patch; +} + +char *GLShader::glsl_patch_get(GLenum gl_stage) +{ + if (gl_stage == GL_COMPUTE_SHADER) { + return glsl_patch_compute_get(); + } + return glsl_patch_default_get(); +} + /* Create, compile and attach the shader stage to the shader program. */ GLuint GLShader::create_shader_stage(GLenum gl_stage, MutableSpan<const char *> sources) { @@ -121,7 +147,7 @@ GLuint GLShader::create_shader_stage(GLenum gl_stage, MutableSpan<const char *> } /* Patch the shader code using the first source slot. */ - sources[0] = glsl_patch_get(); + sources[0] = glsl_patch_get(gl_stage); glShaderSource(shader, sources.size(), sources.data(), nullptr); glCompileShader(shader); @@ -142,6 +168,9 @@ GLuint GLShader::create_shader_stage(GLenum gl_stage, MutableSpan<const char *> case GL_FRAGMENT_SHADER: this->print_log(sources, log, "FragShader", !status); break; + case GL_COMPUTE_SHADER: + this->print_log(sources, log, "ComputeShader", !status); + break; } } } @@ -172,6 +201,11 @@ void GLShader::fragment_shader_from_glsl(MutableSpan<const char *> sources) frag_shader_ = this->create_shader_stage(GL_FRAGMENT_SHADER, sources); } +void GLShader::compute_shader_from_glsl(MutableSpan<const char *> sources) +{ + compute_shader_ = this->create_shader_stage(GL_COMPUTE_SHADER, sources); +} + bool GLShader::finalize() { if (compilation_failed_) { |