mesa: add new MESA_GLSL flag for printing shader cache debug info
Reviewed-by: Eric Anholt <eric@anholt.net>
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@ -49,6 +49,7 @@ execution. These are generally used for debugging.
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<li><b>log</b> - log all GLSL shaders to files.
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The filenames will be "shader_X.vert" or "shader_X.frag" where X
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the shader ID.
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<li><b>cache_info</b> - print debug information about shader cache
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<li><b>nopt</b> - disable compiler optimizations
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<li><b>opt</b> - force compiler optimizations
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<li><b>uniform</b> - print message to stdout when glUniform is called
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@ -2837,6 +2837,7 @@ struct gl_shader_program
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#define GLSL_USE_PROG 0x80 /**< Log glUseProgram calls */
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#define GLSL_REPORT_ERRORS 0x100 /**< Print compilation errors */
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#define GLSL_DUMP_ON_ERROR 0x200 /**< Dump shaders to stderr on compile error */
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#define GLSL_CACHE_INFO 0x400 /**< Print debug information about shader cache */
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/**
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@ -77,6 +77,8 @@ _mesa_get_shader_flags(void)
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flags |= GLSL_DUMP;
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if (strstr(env, "log"))
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flags |= GLSL_LOG;
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if (strstr(env, "cache_info"))
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flags |= GLSL_CACHE_INFO;
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if (strstr(env, "nopvert"))
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flags |= GLSL_NOP_VERT;
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if (strstr(env, "nopfrag"))
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