struct st_fp_variant *variant = CALLOC_STRUCT(st_fp_variant);
GLboolean deleteFP = GL_FALSE;
+ GLuint outputMapping[FRAG_RESULT_MAX];
+ GLuint inputMapping[FRAG_ATTRIB_MAX];
+ GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
+ GLuint attr;
+ const GLbitfield64 inputsRead = stfp->Base.Base.InputsRead;
+ struct ureg_program *ureg;
+
+ GLboolean write_all = GL_FALSE;
+
+ ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
+ ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
+ uint fs_num_inputs = 0;
+
+ ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
+ ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
+ uint fs_num_outputs = 0;
+
if (!variant)
return NULL;
}
#endif
- /* XXX this will be cleaned up in the following commit */
- if (1) {
- /* need to translate Mesa instructions to TGSI now */
- GLuint outputMapping[FRAG_RESULT_MAX];
- GLuint inputMapping[FRAG_ATTRIB_MAX];
- GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
- GLuint attr;
- const GLbitfield64 inputsRead = stfp->Base.Base.InputsRead;
- struct ureg_program *ureg;
-
- GLboolean write_all = GL_FALSE;
-
- ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
- ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
- uint fs_num_inputs = 0;
-
- ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
- ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
- uint fs_num_outputs = 0;
-
- if (!stfp->glsl_to_tgsi)
- _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
+ if (!stfp->glsl_to_tgsi)
+ _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
- /*
- * Convert Mesa program inputs to TGSI input register semantics.
- */
- for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
- if ((inputsRead & BITFIELD64_BIT(attr)) != 0) {
- const GLuint slot = fs_num_inputs++;
+ /*
+ * Convert Mesa program inputs to TGSI input register semantics.
+ */
+ for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
+ if ((inputsRead & BITFIELD64_BIT(attr)) != 0) {
+ const GLuint slot = fs_num_inputs++;
- inputMapping[attr] = slot;
+ inputMapping[attr] = slot;
- switch (attr) {
- case FRAG_ATTRIB_WPOS:
- input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
- input_semantic_index[slot] = 0;
+ switch (attr) {
+ case FRAG_ATTRIB_WPOS:
+ input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ case FRAG_ATTRIB_COL0:
+ input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
+ TRUE);
+ break;
+ case FRAG_ATTRIB_COL1:
+ input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ input_semantic_index[slot] = 1;
+ interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
+ TRUE);
+ break;
+ case FRAG_ATTRIB_FOGC:
+ input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
+ case FRAG_ATTRIB_FACE:
+ input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
+ break;
+ case FRAG_ATTRIB_CLIP_DIST0:
+ input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ case FRAG_ATTRIB_CLIP_DIST1:
+ input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ input_semantic_index[slot] = 1;
+ interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ /* In most cases, there is nothing special about these
+ * inputs, so adopt a convention to use the generic
+ * semantic name and the mesa FRAG_ATTRIB_ number as the
+ * index.
+ *
+ * All that is required is that the vertex shader labels
+ * its own outputs similarly, and that the vertex shader
+ * generates at least every output required by the
+ * fragment shader plus fixed-function hardware (such as
+ * BFC).
+ *
+ * There is no requirement that semantic indexes start at
+ * zero or be restricted to a particular range -- nobody
+ * should be building tables based on semantic index.
+ */
+ case FRAG_ATTRIB_PNTC:
+ case FRAG_ATTRIB_TEX0:
+ case FRAG_ATTRIB_TEX1:
+ case FRAG_ATTRIB_TEX2:
+ case FRAG_ATTRIB_TEX3:
+ case FRAG_ATTRIB_TEX4:
+ case FRAG_ATTRIB_TEX5:
+ case FRAG_ATTRIB_TEX6:
+ case FRAG_ATTRIB_TEX7:
+ case FRAG_ATTRIB_VAR0:
+ default:
+ /* Actually, let's try and zero-base this just for
+ * readability of the generated TGSI.
+ */
+ assert(attr >= FRAG_ATTRIB_TEX0);
+ input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
+ input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ if (attr == FRAG_ATTRIB_PNTC)
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- break;
- case FRAG_ATTRIB_COL0:
- input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- input_semantic_index[slot] = 0;
- interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
- TRUE);
- break;
- case FRAG_ATTRIB_COL1:
- input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- input_semantic_index[slot] = 1;
+ else
interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
- TRUE);
- break;
- case FRAG_ATTRIB_FOGC:
- input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
- break;
- case FRAG_ATTRIB_FACE:
- input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
- break;
- case FRAG_ATTRIB_CLIP_DIST0:
- input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
- input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- break;
- case FRAG_ATTRIB_CLIP_DIST1:
- input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
- input_semantic_index[slot] = 1;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- break;
- /* In most cases, there is nothing special about these
- * inputs, so adopt a convention to use the generic
- * semantic name and the mesa FRAG_ATTRIB_ number as the
- * index.
- *
- * All that is required is that the vertex shader labels
- * its own outputs similarly, and that the vertex shader
- * generates at least every output required by the
- * fragment shader plus fixed-function hardware (such as
- * BFC).
- *
- * There is no requirement that semantic indexes start at
- * zero or be restricted to a particular range -- nobody
- * should be building tables based on semantic index.
- */
- case FRAG_ATTRIB_PNTC:
- case FRAG_ATTRIB_TEX0:
- case FRAG_ATTRIB_TEX1:
- case FRAG_ATTRIB_TEX2:
- case FRAG_ATTRIB_TEX3:
- case FRAG_ATTRIB_TEX4:
- case FRAG_ATTRIB_TEX5:
- case FRAG_ATTRIB_TEX6:
- case FRAG_ATTRIB_TEX7:
- case FRAG_ATTRIB_VAR0:
- default:
- /* Actually, let's try and zero-base this just for
- * readability of the generated TGSI.
- */
- assert(attr >= FRAG_ATTRIB_TEX0);
- input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
- input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- if (attr == FRAG_ATTRIB_PNTC)
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
- else
- interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
- FALSE);
- break;
- }
- }
- else {
- inputMapping[attr] = -1;
+ FALSE);
+ break;
}
}
-
- /*
- * Semantics and mapping for outputs
- */
- {
- uint numColors = 0;
- GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten;
-
- /* if z is written, emit that first */
- if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
- fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION;
- fs_output_semantic_index[fs_num_outputs] = 0;
- outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs;
- fs_num_outputs++;
- outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
- }
-
- if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
- fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL;
- fs_output_semantic_index[fs_num_outputs] = 0;
- outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs;
- fs_num_outputs++;
- outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
- }
-
- /* handle remaning outputs (color) */
- for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
- if (outputsWritten & BITFIELD64_BIT(attr)) {
- switch (attr) {
- case FRAG_RESULT_DEPTH:
- case FRAG_RESULT_STENCIL:
- /* handled above */
- assert(0);
- break;
- case FRAG_RESULT_COLOR:
- write_all = GL_TRUE; /* fallthrough */
- default:
- assert(attr == FRAG_RESULT_COLOR ||
- (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
- fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR;
- fs_output_semantic_index[fs_num_outputs] = numColors;
- outputMapping[attr] = fs_num_outputs;
- numColors++;
- break;
- }
-
- fs_num_outputs++;
- }
- }
+ else {
+ inputMapping[attr] = -1;
}
+ }
- ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
- if (ureg == NULL) {
- FREE(variant);
- return NULL;
+ /*
+ * Semantics and mapping for outputs
+ */
+ {
+ uint numColors = 0;
+ GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten;
+
+ /* if z is written, emit that first */
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
+ fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION;
+ fs_output_semantic_index[fs_num_outputs] = 0;
+ outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs;
+ fs_num_outputs++;
+ outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
}
- if (ST_DEBUG & DEBUG_MESA) {
- _mesa_print_program(&stfp->Base.Base);
- _mesa_print_program_parameters(st->ctx, &stfp->Base.Base);
- debug_printf("\n");
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
+ fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL;
+ fs_output_semantic_index[fs_num_outputs] = 0;
+ outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs;
+ fs_num_outputs++;
+ outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
}
- if (write_all == GL_TRUE)
- ureg_property_fs_color0_writes_all_cbufs(ureg, 1);
- if (stfp->Base.FragDepthLayout != FRAG_DEPTH_LAYOUT_NONE) {
- switch (stfp->Base.FragDepthLayout) {
- case FRAG_DEPTH_LAYOUT_ANY:
- ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_ANY);
- break;
- case FRAG_DEPTH_LAYOUT_GREATER:
- ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_GREATER);
- break;
- case FRAG_DEPTH_LAYOUT_LESS:
- ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_LESS);
- break;
- case FRAG_DEPTH_LAYOUT_UNCHANGED:
- ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_UNCHANGED);
- break;
- default:
- assert(0);
+ /* handle remaining outputs (color) */
+ for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
+ if (outputsWritten & BITFIELD64_BIT(attr)) {
+ switch (attr) {
+ case FRAG_RESULT_DEPTH:
+ case FRAG_RESULT_STENCIL:
+ /* handled above */
+ assert(0);
+ break;
+ case FRAG_RESULT_COLOR:
+ write_all = GL_TRUE; /* fallthrough */
+ default:
+ assert(attr == FRAG_RESULT_COLOR ||
+ (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
+ fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR;
+ fs_output_semantic_index[fs_num_outputs] = numColors;
+ outputMapping[attr] = fs_num_outputs;
+ numColors++;
+ break;
+ }
+
+ fs_num_outputs++;
}
}
+ }
- if (stfp->glsl_to_tgsi)
- st_translate_program(st->ctx,
- TGSI_PROCESSOR_FRAGMENT,
- ureg,
- stfp->glsl_to_tgsi,
- &stfp->Base.Base,
- /* inputs */
- fs_num_inputs,
- inputMapping,
- input_semantic_name,
- input_semantic_index,
- interpMode,
- /* outputs */
- fs_num_outputs,
- outputMapping,
- fs_output_semantic_name,
- fs_output_semantic_index, FALSE,
- key->clamp_color );
- else
- st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_FRAGMENT,
- ureg,
- &stfp->Base.Base,
- /* inputs */
- fs_num_inputs,
- inputMapping,
- input_semantic_name,
- input_semantic_index,
- interpMode,
- /* outputs */
- fs_num_outputs,
- outputMapping,
- fs_output_semantic_name,
- fs_output_semantic_index, FALSE,
- key->clamp_color);
+ ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
+ if (ureg == NULL) {
+ FREE(variant);
+ return NULL;
+ }
- variant->tgsi.tokens = ureg_get_tokens( ureg, NULL );
- ureg_destroy( ureg );
+ if (ST_DEBUG & DEBUG_MESA) {
+ _mesa_print_program(&stfp->Base.Base);
+ _mesa_print_program_parameters(st->ctx, &stfp->Base.Base);
+ debug_printf("\n");
}
+ if (write_all == GL_TRUE)
+ ureg_property_fs_color0_writes_all_cbufs(ureg, 1);
+
+ if (stfp->Base.FragDepthLayout != FRAG_DEPTH_LAYOUT_NONE) {
+ switch (stfp->Base.FragDepthLayout) {
+ case FRAG_DEPTH_LAYOUT_ANY:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_ANY);
+ break;
+ case FRAG_DEPTH_LAYOUT_GREATER:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_GREATER);
+ break;
+ case FRAG_DEPTH_LAYOUT_LESS:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_LESS);
+ break;
+ case FRAG_DEPTH_LAYOUT_UNCHANGED:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_UNCHANGED);
+ break;
+ default:
+ assert(0);
+ }
+ }
+
+ if (stfp->glsl_to_tgsi)
+ st_translate_program(st->ctx,
+ TGSI_PROCESSOR_FRAGMENT,
+ ureg,
+ stfp->glsl_to_tgsi,
+ &stfp->Base.Base,
+ /* inputs */
+ fs_num_inputs,
+ inputMapping,
+ input_semantic_name,
+ input_semantic_index,
+ interpMode,
+ /* outputs */
+ fs_num_outputs,
+ outputMapping,
+ fs_output_semantic_name,
+ fs_output_semantic_index, FALSE,
+ key->clamp_color );
+ else
+ st_translate_mesa_program(st->ctx,
+ TGSI_PROCESSOR_FRAGMENT,
+ ureg,
+ &stfp->Base.Base,
+ /* inputs */
+ fs_num_inputs,
+ inputMapping,
+ input_semantic_name,
+ input_semantic_index,
+ interpMode,
+ /* outputs */
+ fs_num_outputs,
+ outputMapping,
+ fs_output_semantic_name,
+ fs_output_semantic_index, FALSE,
+ key->clamp_color);
+
+ variant->tgsi.tokens = ureg_get_tokens( ureg, NULL );
+ ureg_destroy( ureg );
/* fill in variant */
variant->driver_shader = pipe->create_fs_state(pipe, &variant->tgsi);
projects / mesa.git / commitdiff