From 79146065f9261a9004359338f1a7b8b5a534ebc3 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Fri, 7 Feb 2014 21:13:02 -0800 Subject: [PATCH] mesa: Refactor per-stage link check to its own function Signed-off-by: Ian Romanick Reviewed-by: Jordan Justen --- src/mesa/main/context.c | 102 ++++++++++++++-------------------------- 1 file changed, 34 insertions(+), 68 deletions(-) diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index 4d9d61e7b8d..3910b7541a0 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1766,93 +1766,59 @@ _mesa_check_blend_func_error(struct gl_context *ctx) return GL_TRUE; } -/** - * Prior to drawing anything with glBegin, glDrawArrays, etc. this function - * is called to see if it's valid to render. This involves checking that - * the current shader is valid and the framebuffer is complete. - * If an error is detected it'll be recorded here. - * \return GL_TRUE if OK to render, GL_FALSE if not - */ -GLboolean -_mesa_valid_to_render(struct gl_context *ctx, const char *where) +static bool +shader_linked_or_absent(struct gl_context *ctx, + const struct gl_shader_program *shProg, + bool *shader_present, const char *where) { - bool vert_from_glsl_shader = false; - bool geom_from_glsl_shader = false; - bool frag_from_glsl_shader = false; - - /* This depends on having up to date derived state (shaders) */ - if (ctx->NewState) - _mesa_update_state(ctx); + if (shProg) { + *shader_present = true; - if (ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]) { - vert_from_glsl_shader = true; - - if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->LinkStatus) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "%s(shader not linked)", where); - return GL_FALSE; + if (!shProg->LinkStatus) { + _mesa_error(ctx, GL_INVALID_OPERATION, "%s(shader not linked)", where); + return false; } #if 0 /* not normally enabled */ { char errMsg[100]; - if (!_mesa_validate_shader_program(ctx, - ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX], - errMsg)) { + if (!_mesa_validate_shader_program(ctx, shProg, errMsg)) { _mesa_warning(ctx, "Shader program %u is invalid: %s", - ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->Name, errMsg); + shProg->Name, errMsg); } } #endif } - if (ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]) { - geom_from_glsl_shader = true; + return true; +} - if (!ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->LinkStatus) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "%s(shader not linked)", where); - return GL_FALSE; - } -#if 0 /* not normally enabled */ - { - char errMsg[100]; - if (!_mesa_validate_shader_program(ctx, - ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY], - errMsg)) { - _mesa_warning(ctx, "Shader program %u is invalid: %s", - ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->Name, - errMsg); - } - } -#endif - } +/** + * Prior to drawing anything with glBegin, glDrawArrays, etc. this function + * is called to see if it's valid to render. This involves checking that + * the current shader is valid and the framebuffer is complete. + * If an error is detected it'll be recorded here. + * \return GL_TRUE if OK to render, GL_FALSE if not + */ +GLboolean +_mesa_valid_to_render(struct gl_context *ctx, const char *where) +{ + bool from_glsl_shader[MESA_SHADER_COMPUTE] = { false }; + unsigned i; - if (ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]) { - frag_from_glsl_shader = true; + /* This depends on having up to date derived state (shaders) */ + if (ctx->NewState) + _mesa_update_state(ctx); - if (!ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->LinkStatus) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "%s(shader not linked)", where); + for (i = 0; i < MESA_SHADER_COMPUTE; i++) { + if (!shader_linked_or_absent(ctx, ctx->Shader.CurrentProgram[i], + &from_glsl_shader[i], where)) return GL_FALSE; - } -#if 0 /* not normally enabled */ - { - char errMsg[100]; - if (!_mesa_validate_shader_program(ctx, - ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT], - errMsg)) { - _mesa_warning(ctx, "Shader program %u is invalid: %s", - ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->Name, - errMsg); - } - } -#endif } /* Any shader stages that are not supplied by the GLSL shader and have * assembly shaders enabled must now be validated. */ - if (!vert_from_glsl_shader + if (!from_glsl_shader[MESA_SHADER_VERTEX] && ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(vertex program not valid)", where); @@ -1862,9 +1828,9 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) /* FINISHME: If GL_NV_geometry_program4 is ever supported, the current * FINISHME: geometry program should validated here. */ - (void) geom_from_glsl_shader; + (void) from_glsl_shader[MESA_SHADER_GEOMETRY]; - if (!frag_from_glsl_shader) { + if (!from_glsl_shader[MESA_SHADER_FRAGMENT]) { if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(fragment program not valid)", where); -- 2.30.2