From 4caa9db71ce05dc2cc86177ca42655c2011fbe4a Mon Sep 17 00:00:00 2001 From: Gregory Hainaut Date: Fri, 28 Jun 2013 17:18:35 -0700 Subject: [PATCH] mesa/sso: Add gl_pipeline_object parameter to _mesa_use_shader_program Extend use_shader_program to support a different target. Allow to reuse the function to update the pipeline state. Note I bypass the flush when target isn't current. Maybe it would be better to create a new UseProgramStages driver function This was originally included in another patch, but it was split out by Ian Romanick. Reviewed-by: Ian Romanick Reviewed-by: Eric Anholt --- src/mesa/drivers/common/meta.c | 9 ++++++--- src/mesa/main/shaderapi.c | 27 ++++++++++++++++----------- src/mesa/main/shaderapi.h | 3 ++- 3 files changed, 24 insertions(+), 15 deletions(-) diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index dbc6ab2..acf927b 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -899,16 +899,19 @@ _mesa_meta_end(struct gl_context *ctx) if (ctx->Extensions.ARB_vertex_shader) { _mesa_use_shader_program(ctx, GL_VERTEX_SHADER, - save->Shader[MESA_SHADER_VERTEX]); + save->Shader[MESA_SHADER_VERTEX], + ctx->_Shader); } if (_mesa_has_geometry_shaders(ctx)) _mesa_use_shader_program(ctx, GL_GEOMETRY_SHADER_ARB, - save->Shader[MESA_SHADER_GEOMETRY]); + save->Shader[MESA_SHADER_GEOMETRY], + ctx->_Shader); if (ctx->Extensions.ARB_fragment_shader) _mesa_use_shader_program(ctx, GL_FRAGMENT_SHADER, - save->Shader[MESA_SHADER_FRAGMENT]); + save->Shader[MESA_SHADER_FRAGMENT], + ctx->_Shader); _mesa_reference_shader_program(ctx, &ctx->_Shader->ActiveProgram, save->ActiveShader); diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c index ada2623..1c8e6b4 100644 --- a/src/mesa/main/shaderapi.c +++ b/src/mesa/main/shaderapi.c @@ -989,17 +989,21 @@ _mesa_active_program(struct gl_context *ctx, struct gl_shader_program *shProg, */ static void use_shader_program(struct gl_context *ctx, GLenum type, - struct gl_shader_program *shProg) + struct gl_shader_program *shProg, + struct gl_pipeline_object *shTarget) { struct gl_shader_program **target; gl_shader_stage stage = _mesa_shader_enum_to_shader_stage(type); - target = &ctx->_Shader->CurrentProgram[stage]; + target = &shTarget->CurrentProgram[stage]; if ((shProg == NULL) || (shProg->_LinkedShaders[stage] == NULL)) shProg = NULL; if (*target != shProg) { - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + /* Program is current, flush it */ + if (shTarget == ctx->_Shader) { + FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + } /* If the shader is also bound as the current rendering shader, unbind * it from that binding point as well. This ensures that the correct @@ -1035,10 +1039,10 @@ use_shader_program(struct gl_context *ctx, GLenum type, void _mesa_use_program(struct gl_context *ctx, struct gl_shader_program *shProg) { - use_shader_program(ctx, GL_VERTEX_SHADER, shProg); - use_shader_program(ctx, GL_GEOMETRY_SHADER_ARB, shProg); - use_shader_program(ctx, GL_FRAGMENT_SHADER, shProg); - use_shader_program(ctx, GL_COMPUTE_SHADER, shProg); + use_shader_program(ctx, GL_VERTEX_SHADER, shProg, &ctx->Shader); + use_shader_program(ctx, GL_GEOMETRY_SHADER_ARB, shProg, &ctx->Shader); + use_shader_program(ctx, GL_FRAGMENT_SHADER, shProg, &ctx->Shader); + use_shader_program(ctx, GL_COMPUTE_SHADER, shProg, &ctx->Shader); _mesa_active_program(ctx, shProg, "glUseProgram"); if (ctx->Driver.UseProgram) @@ -1800,9 +1804,10 @@ _mesa_ProgramParameteri(GLuint program, GLenum pname, GLint value) void _mesa_use_shader_program(struct gl_context *ctx, GLenum type, - struct gl_shader_program *shProg) + struct gl_shader_program *shProg, + struct gl_pipeline_object *shTarget) { - use_shader_program(ctx, type, shProg); + use_shader_program(ctx, type, shProg, shTarget); if (ctx->Driver.UseProgram) ctx->Driver.UseProgram(ctx, shProg); @@ -1856,10 +1861,10 @@ _mesa_UseShaderProgramEXT(GLenum type, GLuint program) /* Attach shader state to the binding point */ _mesa_reference_pipeline_object(ctx, &ctx->_Shader, &ctx->Shader); /* Update the program */ - _mesa_use_shader_program(ctx, type, shProg); + _mesa_use_shader_program(ctx, type, shProg, ctx->_Shader); } else { /* Must be done first: detach the progam */ - _mesa_use_shader_program(ctx, type, shProg); + _mesa_use_shader_program(ctx, type, shProg, ctx->_Shader); /* Nothing remains current */ if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX] && diff --git a/src/mesa/main/shaderapi.h b/src/mesa/main/shaderapi.h index 44426cc..17b05b3 100644 --- a/src/mesa/main/shaderapi.h +++ b/src/mesa/main/shaderapi.h @@ -202,7 +202,8 @@ _mesa_ProgramParameteri(GLuint program, GLenum pname, GLint value); void _mesa_use_shader_program(struct gl_context *ctx, GLenum type, - struct gl_shader_program *shProg); + struct gl_shader_program *shProg, + struct gl_pipeline_object *shTarget); extern void GLAPIENTRY _mesa_UseShaderProgramEXT(GLenum type, GLuint program); -- 2.7.4