tgsi/scan: add flag colors_written
This is a prerequisite for the following r600g fix. Cc: 11.0 11.1 <mesa-stable@lists.freedesktop.org> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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@ -365,6 +365,9 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
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info->output_semantic_index[reg] = (ubyte) semIndex;
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info->num_outputs++;
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if (semName == TGSI_SEMANTIC_COLOR)
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info->colors_written |= 1 << semIndex;
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if (procType == TGSI_PROCESSOR_VERTEX ||
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procType == TGSI_PROCESSOR_GEOMETRY ||
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procType == TGSI_PROCESSOR_TESS_CTRL ||
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@ -77,6 +77,7 @@ struct tgsi_shader_info
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uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */
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ubyte colors_written;
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boolean reads_position; /**< does fragment shader read position? */
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boolean reads_z; /**< does fragment shader read depth? */
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boolean writes_z; /**< does fragment shader write Z value? */
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