From 0161691f3518db310411c5f02c05aa639050f129 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 17 May 2012 07:44:32 -0600 Subject: mesa: add GLSL_REPORT_ERRORS debug flag If the MESA_GLSL env var contains "errors", GLSL compilation and link errors will be reported to stderr. Reviewed-by: Ian Romanick --- src/mesa/main/mtypes.h | 1 + src/mesa/main/shaderapi.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+) (limited to 'src') diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index aa1a8ef5fc4..eefe5e7e97d 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -2355,6 +2355,7 @@ struct gl_shader_program #define GLSL_NOP_VERT 0x20 /**< Force no-op vertex shaders */ #define GLSL_NOP_FRAG 0x40 /**< Force no-op fragment shaders */ #define GLSL_USE_PROG 0x80 /**< Log glUseProgram calls */ +#define GLSL_REPORT_ERRORS 0x100 /**< Print compilation errors */ /** diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c index 3e03239b882..6927368de40 100644 --- a/src/mesa/main/shaderapi.c +++ b/src/mesa/main/shaderapi.c @@ -83,6 +83,8 @@ get_shader_flags(void) flags |= GLSL_UNIFORMS; if (strstr(env, "useprog")) flags |= GLSL_USE_PROG; + if (strstr(env, "errors")) + flags |= GLSL_REPORT_ERRORS; } return flags; @@ -673,6 +675,12 @@ compile_shader(struct gl_context *ctx, GLuint shaderObj) * compilation was successful. */ _mesa_glsl_compile_shader(ctx, sh); + + if (sh->CompileStatus == GL_FALSE && + (ctx->Shader.Flags & GLSL_REPORT_ERRORS)) { + _mesa_debug(ctx, "Error compiling shader %u:\n%s\n", + sh->Name, sh->InfoLog); + } } @@ -703,6 +711,12 @@ link_program(struct gl_context *ctx, GLuint program) _mesa_glsl_link_shader(ctx, shProg); + if (shProg->LinkStatus == GL_FALSE && + (ctx->Shader.Flags & GLSL_REPORT_ERRORS)) { + _mesa_debug(ctx, "Error linking program %u:\n%s\n", + shProg->Name, shProg->InfoLog); + } + /* debug code */ if (0) { GLuint i; -- cgit v1.2.3