diff options
Diffstat (limited to 'intern/opencolorio/ocio_impl_glsl.cc')
| -rw-r--r-- | intern/opencolorio/ocio_impl_glsl.cc | 139 |
1 files changed, 32 insertions, 107 deletions
diff --git a/intern/opencolorio/ocio_impl_glsl.cc b/intern/opencolorio/ocio_impl_glsl.cc index 43416f734c5..ab81227ff1a 100644 --- a/intern/opencolorio/ocio_impl_glsl.cc +++ b/intern/opencolorio/ocio_impl_glsl.cc @@ -47,6 +47,7 @@ extern "C" { #include "GPU_immediate.h" +#include "GPU_shader.h" } using namespace OCIO_NAMESPACE; @@ -94,18 +95,15 @@ struct OCIO_GLSLCurveMappingParameters { struct OCIO_GLSLShader { /** Cache IDs */ std::string cacheId; - /** TODO(fclem): Remove. IMM shader interface. */ - struct GPUShaderInterface *interface; - /** OpenGL Shader objects handles. */ - GLuint frag; - GLuint vert; - GLuint program; + + struct GPUShader *shader; /** Uniform locations. */ GLint dither_loc; GLint overlay_loc; GLint overlay_tex_loc; GLint predivide_loc; GLint curve_mapping_loc; + GLint ubo_bind; /** Error checking. */ bool valid; }; @@ -152,56 +150,6 @@ static OCIO_GLSLDrawState *allocateOpenGLState(void) /** \name Shader * \{ */ -static GLuint compileShaderText(GLenum shader_type, const char *text) -{ - GLuint shader; - GLint stat; - - shader = glCreateShader(shader_type); - glShaderSource(shader, 1, (const GLchar **)&text, NULL); - glCompileShader(shader); - glGetShaderiv(shader, GL_COMPILE_STATUS, &stat); - - if (!stat) { - GLchar log[1000]; - GLsizei len; - glGetShaderInfoLog(shader, 1000, &len, log); - fprintf(stderr, "Shader compile error:\n%s\n", log); - return 0; - } - - return shader; -} - -static GLuint linkShaders(GLuint frag, GLuint vert) -{ - if (!frag || !vert) { - return 0; - } - - GLuint program = glCreateProgram(); - - glAttachShader(program, frag); - glAttachShader(program, vert); - - glLinkProgram(program); - - /* check link */ - { - GLint stat; - glGetProgramiv(program, GL_LINK_STATUS, &stat); - if (!stat) { - GLchar log[1000]; - GLsizei len; - glGetProgramInfoLog(program, 1000, &len, log); - fprintf(stderr, "Shader link error:\n%s\n", log); - return 0; - } - } - - return program; -} - static void updateGLSLShader(OCIO_GLSLShader *shader, ConstProcessorRcPtr *processor_scene_to_ui, ConstProcessorRcPtr *processpr_ui_to_display, @@ -213,28 +161,14 @@ static void updateGLSLShader(OCIO_GLSLShader *shader, } /* Delete any previous shader. */ - glDeleteProgram(shader->program); - glDeleteShader(shader->frag); - glDeleteShader(shader->vert); - - if (shader->interface) { - GPU_shaderinterface_discard(shader->interface); + if (shader->shader) { + GPU_shader_free(shader->shader); } - { - /* Vertex shader */ - std::ostringstream osv; - - osv << "#version 330\n"; - osv << datatoc_gpu_shader_display_transform_vertex_glsl; - - shader->vert = compileShaderText(GL_VERTEX_SHADER, osv.str().c_str()); - } + std::ostringstream os; { /* Fragment shader */ - std::ostringstream os; - os << "#version 330\n"; /* Work around OpenColorIO not supporting latest GLSL yet. */ os << "#define texture2D texture\n"; os << "#define texture3D texture\n"; @@ -246,41 +180,36 @@ static void updateGLSLShader(OCIO_GLSLShader *shader, os << (*processpr_ui_to_display)->getGpuShaderText(*shader_desc) << "\n"; os << datatoc_gpu_shader_display_transform_glsl; - - shader->frag = compileShaderText(GL_FRAGMENT_SHADER, os.str().c_str()); } - /* shader_Program */ - if (shader->frag && shader->vert) { - shader->program = linkShaders(shader->frag, shader->vert); - } + shader->shader = GPU_shader_create(datatoc_gpu_shader_display_transform_vertex_glsl, + os.str().c_str(), + NULL, + NULL, + NULL, + __func__); - if (shader->program) { - shader->dither_loc = glGetUniformLocation(shader->program, "dither"); - shader->overlay_tex_loc = glGetUniformLocation(shader->program, "overlay_texture"); - shader->overlay_loc = glGetUniformLocation(shader->program, "overlay"); - shader->predivide_loc = glGetUniformLocation(shader->program, "predivide"); - shader->curve_mapping_loc = glGetUniformLocation(shader->program, "curve_mapping"); + if (shader->shader) { + shader->dither_loc = GPU_shader_get_uniform(shader->shader, "dither"); + shader->overlay_tex_loc = GPU_shader_get_uniform(shader->shader, "overlay_texture"); + shader->overlay_loc = GPU_shader_get_uniform(shader->shader, "overlay"); + shader->predivide_loc = GPU_shader_get_uniform(shader->shader, "predivide"); + shader->curve_mapping_loc = GPU_shader_get_uniform(shader->shader, "curve_mapping"); + shader->ubo_bind = GPU_shader_get_uniform_block_binding(shader->shader, + "OCIO_GLSLCurveMappingParameters"); - glUseProgram(shader->program); - - /* TODO(fclem) Remove this. Make caller always assume viewport space and - * specify texco via vertex attribs. */ - shader->interface = GPU_shaderinterface_create(shader->program); - - /* Set UBO binding location. */ - GLuint index = glGetUniformBlockIndex(shader->program, "OCIO_GLSLCurveMappingParameters"); - glUniformBlockBinding(shader->program, index, UBO_BIND_LOC); + GPU_shader_bind(shader->shader); /* Set texture bind point uniform once. This is saved by the shader. */ - glUniform1i(glGetUniformLocation(shader->program, "image_texture"), 0); - glUniform1i(glGetUniformLocation(shader->program, "lut3d_texture"), 2); - glUniform1i(glGetUniformLocation(shader->program, "lut3d_display_texture"), 3); - glUniform1i(glGetUniformLocation(shader->program, "curve_mapping_texture"), 4); + GPUShader *sh = shader->shader; + GPU_shader_uniform_int(sh, GPU_shader_get_uniform(sh, "image_texture"), 0); + GPU_shader_uniform_int(sh, GPU_shader_get_uniform(sh, "lut3d_texture"), 2); + GPU_shader_uniform_int(sh, GPU_shader_get_uniform(sh, "lut3d_display_texture"), 3); + GPU_shader_uniform_int(sh, GPU_shader_get_uniform(sh, "curve_mapping_texture"), 4); } shader->cacheId = cache_id; - shader->valid = (shader->program != 0); + shader->valid = (shader->shader != NULL); } static void ensureGLSLShader(OCIO_GLSLShader **shader_ptr, @@ -302,12 +231,8 @@ static void ensureGLSLShader(OCIO_GLSLShader **shader_ptr, static void freeGLSLShader(OCIO_GLSLShader *shader) { - glDeleteProgram(shader->program); - glDeleteShader(shader->frag); - glDeleteShader(shader->vert); - - if (shader->interface) { - GPU_shaderinterface_discard(shader->interface); + if (shader->shader) { + GPU_shader_free(shader->shader); } OBJECT_GUARDED_DELETE(shader, OCIO_GLSLShader); @@ -674,10 +599,10 @@ bool OCIOImpl::setupGLSLDraw(OCIO_GLSLDrawState **state_r, glActiveTexture(GL_TEXTURE0); /* Bind UBO. */ - glBindBufferBase(GL_UNIFORM_BUFFER, 0, shader_curvemap->buffer); + glBindBufferBase(GL_UNIFORM_BUFFER, shader->ubo_bind, shader_curvemap->buffer); /* TODO(fclem) remove remains of IMM. */ - immBindProgram(shader->program, shader->interface); + immBindShader(shader->shader); /* Bind Shader and set uniforms. */ // glUseProgram(shader->program); |