diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/main/dd.h | 21 | ||||
-rw-r--r-- | src/mesa/main/shaderobj.c | 2 | ||||
-rw-r--r-- | src/mesa/program/ir_to_mesa.cpp | 126 | ||||
-rw-r--r-- | src/mesa/program/ir_to_mesa.h | 2 |
4 files changed, 99 insertions, 52 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 825073ca886..71d0f570e4b 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -595,6 +595,27 @@ struct dd_function_table { /*@}*/ + /** + * \name GLSL shader/program functions. + */ + /*@{*/ + /** + * Called when a shader is compiled. + * + * Note that not all shader objects get ShaderCompile called on + * them. Notably, the shaders containing builtin functions do not + * have CompileShader() called, so if lowering passes are done they + * need to also be performed in LinkShader(). + */ + GLboolean (*CompileShader)(GLcontext *ctx, struct gl_shader *shader); + /** + * Called when a shader program is linked. + * + * This gives drivers an opportunity to clone the IR and make their + * own transformations on it for the purposes of code generation. + */ + GLboolean (*LinkShader)(GLcontext *ctx, struct gl_shader_program *shader); + /*@}*/ /** * \name State-changing functions. diff --git a/src/mesa/main/shaderobj.c b/src/mesa/main/shaderobj.c index 129d9742247..863d50fbe55 100644 --- a/src/mesa/main/shaderobj.c +++ b/src/mesa/main/shaderobj.c @@ -387,4 +387,6 @@ _mesa_init_shader_object_functions(struct dd_function_table *driver) driver->DeleteShader = __mesa_delete_shader; driver->NewShaderProgram = _mesa_new_shader_program; driver->DeleteShaderProgram = __mesa_delete_shader_program; + driver->CompileShader = _mesa_ir_compile_shader; + driver->LinkShader = _mesa_ir_link_shader; } diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index c8c655b2967..7490ffa4fe7 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -2543,6 +2543,72 @@ get_mesa_program(GLcontext *ctx, struct gl_shader_program *shader_program, } extern "C" { +GLboolean +_mesa_ir_compile_shader(GLcontext *ctx, struct gl_shader *shader) +{ + assert(shader->CompileStatus); + + return GL_TRUE; +} + +GLboolean +_mesa_ir_link_shader(GLcontext *ctx, struct gl_shader_program *prog) +{ + assert(prog->LinkStatus); + + for (unsigned i = 0; i < prog->_NumLinkedShaders; i++) { + bool progress; + exec_list *ir = prog->_LinkedShaders[i]->ir; + + do { + progress = false; + + /* Lowering */ + do_mat_op_to_vec(ir); + do_mod_to_fract(ir); + do_div_to_mul_rcp(ir); + do_explog_to_explog2(ir); + + progress = do_common_optimization(ir, true) || progress; + + if (ctx->Shader.EmitNoIfs) + progress = do_if_to_cond_assign(ir) || progress; + + progress = do_vec_index_to_cond_assign(ir) || progress; + } while (progress); + + validate_ir_tree(ir); + } + + for (unsigned i = 0; i < prog->_NumLinkedShaders; i++) { + struct gl_program *linked_prog; + bool ok = true; + + linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]); + + link_uniforms_to_shared_uniform_list(prog->Uniforms, linked_prog); + + switch (prog->_LinkedShaders[i]->Type) { + case GL_VERTEX_SHADER: + _mesa_reference_vertprog(ctx, &prog->VertexProgram, + (struct gl_vertex_program *)linked_prog); + ok = ctx->Driver.ProgramStringNotify(ctx, GL_VERTEX_PROGRAM_ARB, + linked_prog); + break; + case GL_FRAGMENT_SHADER: + _mesa_reference_fragprog(ctx, &prog->FragmentProgram, + (struct gl_fragment_program *)linked_prog); + ok = ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_PROGRAM_ARB, + linked_prog); + break; + } + if (!ok) { + return GL_FALSE; + } + } + + return GL_TRUE; +} void _mesa_glsl_compile_shader(GLcontext *ctx, struct gl_shader *shader) @@ -2604,7 +2670,12 @@ _mesa_glsl_compile_shader(GLcontext *ctx, struct gl_shader *shader) reparent_ir(shader->ir, shader); talloc_free(state); - } + + if (shader->CompileStatus) { + if (!ctx->Driver.CompileShader(ctx, shader)) + shader->CompileStatus = GL_FALSE; + } +} void _mesa_glsl_link_shader(GLcontext *ctx, struct gl_shader_program *prog) @@ -2639,57 +2710,8 @@ _mesa_glsl_link_shader(GLcontext *ctx, struct gl_shader_program *prog) } if (prog->LinkStatus) { - for (unsigned i = 0; i < prog->_NumLinkedShaders; i++) { - bool progress; - exec_list *ir = prog->_LinkedShaders[i]->ir; - - do { - progress = false; - - /* Lowering */ - do_mat_op_to_vec(ir); - do_mod_to_fract(ir); - do_div_to_mul_rcp(ir); - do_explog_to_explog2(ir); - - progress = do_common_optimization(ir, true) || progress; - - if (ctx->Shader.EmitNoIfs) - progress = do_if_to_cond_assign(ir) || progress; - - progress = do_vec_index_to_cond_assign(ir) || progress; - } while (progress); - } - } - - if (prog->LinkStatus) { - for (i = 0; i < prog->_NumLinkedShaders; i++) { - struct gl_program *linked_prog; - bool ok = true; - - linked_prog = get_mesa_program(ctx, prog, - prog->_LinkedShaders[i]); - - link_uniforms_to_shared_uniform_list(prog->Uniforms, linked_prog); - - switch (prog->_LinkedShaders[i]->Type) { - case GL_VERTEX_SHADER: - _mesa_reference_vertprog(ctx, &prog->VertexProgram, - (struct gl_vertex_program *)linked_prog); - ok = ctx->Driver.ProgramStringNotify(ctx, GL_VERTEX_PROGRAM_ARB, - linked_prog); - break; - case GL_FRAGMENT_SHADER: - _mesa_reference_fragprog(ctx, &prog->FragmentProgram, - (struct gl_fragment_program *)linked_prog); - ok = ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_PROGRAM_ARB, - linked_prog); - break; - } - if (!ok) { - prog->LinkStatus = GL_FALSE; - } - } + if (!ctx->Driver.LinkShader(ctx, prog)) + prog->LinkStatus = GL_FALSE; } } diff --git a/src/mesa/program/ir_to_mesa.h b/src/mesa/program/ir_to_mesa.h index e832f84e754..ecaacde4bb0 100644 --- a/src/mesa/program/ir_to_mesa.h +++ b/src/mesa/program/ir_to_mesa.h @@ -30,6 +30,8 @@ extern "C" { void _mesa_glsl_compile_shader(GLcontext *ctx, struct gl_shader *sh); void _mesa_glsl_link_shader(GLcontext *ctx, struct gl_shader_program *prog); +GLboolean _mesa_ir_compile_shader(GLcontext *ctx, struct gl_shader *shader); +GLboolean _mesa_ir_link_shader(GLcontext *ctx, struct gl_shader_program *prog); #ifdef __cplusplus } |