From: Marek Olšák Date: Sun, 22 Feb 2015 19:44:39 +0000 (+0100) Subject: st/mesa: add conversion for tessellation shaders X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a58a66fe8577940cf07530b6235a386950ae04f7;p=mesa.git st/mesa: add conversion for tessellation shaders Based on code from Ilia Mirkin . --- diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index be3ae6fc47d..e59cadcb8ec 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -2243,7 +2243,10 @@ is_inout_array(unsigned stage, ir_variable *var, bool *is_2d) *is_2d = false; - if (stage == MESA_SHADER_GEOMETRY && var->data.mode == ir_var_shader_in) { + if (((stage == MESA_SHADER_GEOMETRY && var->data.mode == ir_var_shader_in) || + (stage == MESA_SHADER_TESS_EVAL && var->data.mode == ir_var_shader_in) || + stage == MESA_SHADER_TESS_CTRL) && + !var->data.patch) { if (!var->type->is_array()) return false; /* a system value probably */ @@ -2355,7 +2358,8 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir) static void shrink_array_declarations(struct array_decl *arrays, unsigned count, - GLbitfield64 usage_mask) + GLbitfield64 usage_mask, + GLbitfield patch_usage_mask) { unsigned i, j; @@ -2367,8 +2371,15 @@ shrink_array_declarations(struct array_decl *arrays, unsigned count, /* Shrink the beginning. */ for (j = 0; j < decl->array_size; j++) { - if (usage_mask & BITFIELD64_BIT(decl->mesa_index+j)) - break; + if (decl->mesa_index >= VARYING_SLOT_PATCH0) { + if (patch_usage_mask & + BITFIELD64_BIT(decl->mesa_index - VARYING_SLOT_PATCH0 + j)) + break; + } + else { + if (usage_mask & BITFIELD64_BIT(decl->mesa_index+j)) + break; + } decl->mesa_index++; decl->array_size--; @@ -2377,8 +2388,15 @@ shrink_array_declarations(struct array_decl *arrays, unsigned count, /* Shrink the end. */ for (j = decl->array_size-1; j >= 0; j--) { - if (usage_mask & BITFIELD64_BIT(decl->mesa_index+j)) - break; + if (decl->mesa_index >= VARYING_SLOT_PATCH0) { + if (patch_usage_mask & + BITFIELD64_BIT(decl->mesa_index - VARYING_SLOT_PATCH0 + j)) + break; + } + else { + if (usage_mask & BITFIELD64_BIT(decl->mesa_index+j)) + break; + } decl->array_size--; } @@ -3553,7 +3571,7 @@ glsl_to_tgsi_visitor::simplify_cmp(void) { int tempWritesSize = 0; unsigned *tempWrites = NULL; - unsigned outputWrites[MAX_PROGRAM_OUTPUTS]; + unsigned outputWrites[VARYING_SLOT_TESS_MAX]; memset(outputWrites, 0, sizeof(outputWrites)); @@ -3573,7 +3591,7 @@ glsl_to_tgsi_visitor::simplify_cmp(void) } if (inst->dst[0].file == PROGRAM_OUTPUT) { - assert(inst->dst[0].index < MAX_PROGRAM_OUTPUTS); + assert(inst->dst[0].index < (signed)ARRAY_SIZE(outputWrites)); prevWriteMask = outputWrites[inst->dst[0].index]; outputWrites[inst->dst[0].index] |= inst->dst[0].writemask; } else if (inst->dst[0].file == PROGRAM_TEMPORARY) { @@ -4527,6 +4545,14 @@ const unsigned _mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = { TGSI_SEMANTIC_SAMPLEID, TGSI_SEMANTIC_SAMPLEPOS, TGSI_SEMANTIC_SAMPLEMASK, + + /* Tessellation shaders + */ + TGSI_SEMANTIC_TESSCOORD, + TGSI_SEMANTIC_VERTICESIN, + TGSI_SEMANTIC_PRIMID, + TGSI_SEMANTIC_TESSOUTER, + TGSI_SEMANTIC_TESSINNER, }; /** @@ -4651,6 +4677,9 @@ dst_register(struct st_translate *t, gl_register_file file, unsigned index, if (!array_id) { if (t->procType == TGSI_PROCESSOR_FRAGMENT) assert(index < FRAG_RESULT_MAX); + else if (t->procType == TGSI_PROCESSOR_TESS_CTRL || + t->procType == TGSI_PROCESSOR_TESS_EVAL) + assert(index < VARYING_SLOT_TESS_MAX); else assert(index < VARYING_SLOT_MAX); @@ -5271,6 +5300,8 @@ st_translate_program( TGSI_SEMANTIC_VERTEXID_NOBASE); assert(_mesa_sysval_to_semantic[SYSTEM_VALUE_BASE_VERTEX] == TGSI_SEMANTIC_BASEVERTEX); + assert(_mesa_sysval_to_semantic[SYSTEM_VALUE_TESS_COORD] == + TGSI_SEMANTIC_TESSCOORD); t = CALLOC_STRUCT(st_translate); if (!t) { @@ -5313,6 +5344,8 @@ st_translate_program( } break; case TGSI_PROCESSOR_GEOMETRY: + case TGSI_PROCESSOR_TESS_EVAL: + case TGSI_PROCESSOR_TESS_CTRL: for (i = 0; i < numInputs; i++) { unsigned array_id = 0; unsigned array_size; @@ -5347,6 +5380,8 @@ st_translate_program( case TGSI_PROCESSOR_FRAGMENT: break; case TGSI_PROCESSOR_GEOMETRY: + case TGSI_PROCESSOR_TESS_EVAL: + case TGSI_PROCESSOR_TESS_CTRL: case TGSI_PROCESSOR_VERTEX: for (i = 0; i < numOutputs; i++) { unsigned array_id = 0; @@ -5750,9 +5785,9 @@ get_mesa_program(struct gl_context *ctx, do_set_program_inouts(shader->ir, prog, shader->Stage); shrink_array_declarations(v->input_arrays, v->num_input_arrays, - prog->InputsRead); + prog->InputsRead, prog->PatchInputsRead); shrink_array_declarations(v->output_arrays, v->num_output_arrays, - prog->OutputsWritten); + prog->OutputsWritten, prog->PatchOutputsWritten); count_resources(v, prog); /* This must be done before the uniform storage is associated. */ @@ -5781,6 +5816,8 @@ get_mesa_program(struct gl_context *ctx, struct st_vertex_program *stvp; struct st_fragment_program *stfp; struct st_geometry_program *stgp; + struct st_tessctrl_program *sttcp; + struct st_tesseval_program *sttep; switch (shader->Type) { case GL_VERTEX_SHADER: @@ -5795,6 +5832,14 @@ get_mesa_program(struct gl_context *ctx, stgp = (struct st_geometry_program *)prog; stgp->glsl_to_tgsi = v; break; + case GL_TESS_CONTROL_SHADER: + sttcp = (struct st_tessctrl_program *)prog; + sttcp->glsl_to_tgsi = v; + break; + case GL_TESS_EVALUATION_SHADER: + sttep = (struct st_tesseval_program *)prog; + sttep->glsl_to_tgsi = v; + break; default: assert(!"should not be reached"); return NULL; diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 99257949ba3..e62dd7aab80 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -932,61 +932,52 @@ st_get_fp_variant(struct st_context *st, /** - * Translate a geometry program to create a new variant. + * Translate a program. This is common code for geometry and tessellation + * shaders. */ -static struct st_gp_variant * -st_translate_geometry_program(struct st_context *st, - struct st_geometry_program *stgp, - const struct st_gp_variant_key *key) +static void +st_translate_program_common(struct st_context *st, + struct gl_program *prog, + struct glsl_to_tgsi_visitor *glsl_to_tgsi, + struct ureg_program *ureg, + unsigned tgsi_processor, + struct pipe_shader_state *out_state) { - GLuint inputSlotToAttr[VARYING_SLOT_MAX]; - GLuint inputMapping[VARYING_SLOT_MAX]; - GLuint outputSlotToAttr[VARYING_SLOT_MAX]; - GLuint outputMapping[VARYING_SLOT_MAX]; - struct pipe_context *pipe = st->pipe; + GLuint inputSlotToAttr[VARYING_SLOT_TESS_MAX]; + GLuint inputMapping[VARYING_SLOT_TESS_MAX]; + GLuint outputSlotToAttr[VARYING_SLOT_TESS_MAX]; + GLuint outputMapping[VARYING_SLOT_TESS_MAX]; GLuint attr; - uint gs_num_inputs = 0; - ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; + uint num_inputs = 0; - ubyte gs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; - ubyte gs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; - uint gs_num_outputs = 0; + ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; + ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; + uint num_outputs = 0; GLint i; - struct ureg_program *ureg; - struct pipe_shader_state state = {0}; - struct st_gp_variant *gpv; - - gpv = CALLOC_STRUCT(st_gp_variant); - if (!gpv) - return NULL; - - ureg = ureg_create_with_screen(TGSI_PROCESSOR_GEOMETRY, st->pipe->screen); - if (ureg == NULL) { - free(gpv); - return NULL; - } memset(inputSlotToAttr, 0, sizeof(inputSlotToAttr)); memset(inputMapping, 0, sizeof(inputMapping)); memset(outputSlotToAttr, 0, sizeof(outputSlotToAttr)); memset(outputMapping, 0, sizeof(outputMapping)); + memset(out_state, 0, sizeof(*out_state)); /* * Convert Mesa program inputs to TGSI input register semantics. */ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) { - if ((stgp->Base.Base.InputsRead & BITFIELD64_BIT(attr)) != 0) { - const GLuint slot = gs_num_inputs++; + if ((prog->InputsRead & BITFIELD64_BIT(attr)) != 0) { + const GLuint slot = num_inputs++; inputMapping[attr] = slot; inputSlotToAttr[slot] = attr; switch (attr) { case VARYING_SLOT_PRIMITIVE_ID: + assert(tgsi_processor == TGSI_PROCESSOR_GEOMETRY); input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID; input_semantic_index[slot] = 0; break; @@ -1038,19 +1029,33 @@ st_translate_geometry_program(struct st_context *st, /* fall through */ case VARYING_SLOT_VAR0: default: - assert(attr >= VARYING_SLOT_VAR0 && attr < VARYING_SLOT_MAX); + assert(attr >= VARYING_SLOT_VAR0 || + (attr >= VARYING_SLOT_TEX0 && attr <= VARYING_SLOT_TEX7)); input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; input_semantic_index[slot] = st_get_generic_varying_index(st, attr); - break; + break; } } } + /* Also add patch inputs. */ + for (attr = 0; attr < 32; attr++) { + if (prog->PatchInputsRead & (1 << attr)) { + GLuint slot = num_inputs++; + GLuint patch_attr = VARYING_SLOT_PATCH0 + attr; + + inputMapping[patch_attr] = slot; + inputSlotToAttr[slot] = patch_attr; + input_semantic_name[slot] = TGSI_SEMANTIC_PATCH; + input_semantic_index[slot] = attr; + } + } + /* initialize output semantics to defaults */ for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) { - gs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC; - gs_output_semantic_index[i] = 0; + output_semantic_name[i] = TGSI_SEMANTIC_GENERIC; + output_semantic_index[i] = 0; } /* @@ -1058,8 +1063,8 @@ st_translate_geometry_program(struct st_context *st, * mapping and the semantic information for each output. */ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) { - if (stgp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) { - GLuint slot = gs_num_outputs++; + if (prog->OutputsWritten & BITFIELD64_BIT(attr)) { + GLuint slot = num_outputs++; outputMapping[attr] = slot; outputSlotToAttr[slot] = attr; @@ -1067,56 +1072,64 @@ st_translate_geometry_program(struct st_context *st, switch (attr) { case VARYING_SLOT_POS: assert(slot == 0); - gs_output_semantic_name[slot] = TGSI_SEMANTIC_POSITION; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_COL0: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_COL1: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; - gs_output_semantic_index[slot] = 1; + output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + output_semantic_index[slot] = 1; break; case VARYING_SLOT_BFC0: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_BFC1: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; - gs_output_semantic_index[slot] = 1; + output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; + output_semantic_index[slot] = 1; break; case VARYING_SLOT_FOGC: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_FOG; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_FOG; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_PSIZ: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_CLIP_VERTEX: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_CLIP_DIST0: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_CLIP_DIST1: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; - gs_output_semantic_index[slot] = 1; + output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; + output_semantic_index[slot] = 1; break; case VARYING_SLOT_LAYER: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_LAYER; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_LAYER; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_PRIMITIVE_ID: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_PRIMID; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_PRIMID; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_VIEWPORT: - gs_output_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX; - gs_output_semantic_index[slot] = 0; + output_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX; + output_semantic_index[slot] = 0; + break; + case VARYING_SLOT_TESS_LEVEL_OUTER: + output_semantic_name[slot] = TGSI_SEMANTIC_TESSOUTER; + output_semantic_index[slot] = 0; + break; + case VARYING_SLOT_TESS_LEVEL_INNER: + output_semantic_name[slot] = TGSI_SEMANTIC_TESSINNER; + output_semantic_index[slot] = 0; break; case VARYING_SLOT_TEX0: case VARYING_SLOT_TEX1: @@ -1127,36 +1140,44 @@ st_translate_geometry_program(struct st_context *st, case VARYING_SLOT_TEX6: case VARYING_SLOT_TEX7: if (st->needs_texcoord_semantic) { - gs_output_semantic_name[slot] = TGSI_SEMANTIC_TEXCOORD; - gs_output_semantic_index[slot] = attr - VARYING_SLOT_TEX0; + output_semantic_name[slot] = TGSI_SEMANTIC_TEXCOORD; + output_semantic_index[slot] = attr - VARYING_SLOT_TEX0; break; } /* fall through */ case VARYING_SLOT_VAR0: default: - assert(slot < ARRAY_SIZE(gs_output_semantic_name)); - assert(attr >= VARYING_SLOT_VAR0); - gs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; - gs_output_semantic_index[slot] = + assert(slot < ARRAY_SIZE(output_semantic_name)); + assert(attr >= VARYING_SLOT_VAR0 || + (attr >= VARYING_SLOT_TEX0 && attr <= VARYING_SLOT_TEX7)); + output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + output_semantic_index[slot] = st_get_generic_varying_index(st, attr); - break; + break; } } } - ureg_property(ureg, TGSI_PROPERTY_GS_INPUT_PRIM, stgp->Base.InputType); - ureg_property(ureg, TGSI_PROPERTY_GS_OUTPUT_PRIM, stgp->Base.OutputType); - ureg_property(ureg, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES, - stgp->Base.VerticesOut); - ureg_property(ureg, TGSI_PROPERTY_GS_INVOCATIONS, stgp->Base.Invocations); + /* Also add patch outputs. */ + for (attr = 0; attr < 32; attr++) { + if (prog->PatchOutputsWritten & (1 << attr)) { + GLuint slot = num_outputs++; + GLuint patch_attr = VARYING_SLOT_PATCH0 + attr; + + outputMapping[patch_attr] = slot; + outputSlotToAttr[slot] = patch_attr; + output_semantic_name[slot] = TGSI_SEMANTIC_PATCH; + output_semantic_index[slot] = attr; + } + } st_translate_program(st->ctx, - TGSI_PROCESSOR_GEOMETRY, + tgsi_processor, ureg, - stgp->glsl_to_tgsi, - &stgp->Base.Base, + glsl_to_tgsi, + prog, /* inputs */ - gs_num_inputs, + num_inputs, inputMapping, inputSlotToAttr, input_semantic_name, @@ -1164,30 +1185,64 @@ st_translate_geometry_program(struct st_context *st, NULL, NULL, /* outputs */ - gs_num_outputs, + num_outputs, outputMapping, outputSlotToAttr, - gs_output_semantic_name, - gs_output_semantic_index, + output_semantic_name, + output_semantic_index, FALSE, FALSE); - state.tokens = ureg_get_tokens(ureg, NULL); + out_state->tokens = ureg_get_tokens(ureg, NULL); ureg_destroy(ureg); - st_translate_stream_output_info(stgp->glsl_to_tgsi, + st_translate_stream_output_info(glsl_to_tgsi, outputMapping, - &state.stream_output); + &out_state->stream_output); if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) { - _mesa_print_program(&stgp->Base.Base); + _mesa_print_program(prog); debug_printf("\n"); } if (ST_DEBUG & DEBUG_TGSI) { - tgsi_dump(state.tokens, 0); + tgsi_dump(out_state->tokens, 0); debug_printf("\n"); } +} + + +/** + * Translate a geometry program to create a new variant. + */ +static struct st_gp_variant * +st_translate_geometry_program(struct st_context *st, + struct st_geometry_program *stgp, + const struct st_gp_variant_key *key) +{ + struct pipe_context *pipe = st->pipe; + struct ureg_program *ureg; + struct st_gp_variant *gpv; + struct pipe_shader_state state; + + ureg = ureg_create_with_screen(TGSI_PROCESSOR_GEOMETRY, st->pipe->screen); + if (ureg == NULL) + return NULL; + + ureg_property(ureg, TGSI_PROPERTY_GS_INPUT_PRIM, stgp->Base.InputType); + ureg_property(ureg, TGSI_PROPERTY_GS_OUTPUT_PRIM, stgp->Base.OutputType); + ureg_property(ureg, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES, + stgp->Base.VerticesOut); + ureg_property(ureg, TGSI_PROPERTY_GS_INVOCATIONS, stgp->Base.Invocations); + + st_translate_program_common(st, &stgp->Base.Base, stgp->glsl_to_tgsi, ureg, + TGSI_PROCESSOR_GEOMETRY, &state); + + gpv = CALLOC_STRUCT(st_gp_variant); + if (!gpv) { + ureg_free_tokens(state.tokens); + return NULL; + } /* fill in new variant */ gpv->driver_shader = pipe->create_gs_state(pipe, &state); @@ -1237,7 +1292,34 @@ st_translate_tessctrl_program(struct st_context *st, struct st_tessctrl_program *sttcp, const struct st_tcp_variant_key *key) { - return NULL; /* will be updated in the next commit */ + struct pipe_context *pipe = st->pipe; + struct ureg_program *ureg; + struct st_tcp_variant *tcpv; + struct pipe_shader_state state; + + ureg = ureg_create_with_screen(TGSI_PROCESSOR_TESS_CTRL, pipe->screen); + if (ureg == NULL) { + return NULL; + } + + ureg_property(ureg, TGSI_PROPERTY_TCS_VERTICES_OUT, + sttcp->Base.VerticesOut); + + st_translate_program_common(st, &sttcp->Base.Base, sttcp->glsl_to_tgsi, + ureg, TGSI_PROCESSOR_TESS_CTRL, &state); + + tcpv = CALLOC_STRUCT(st_tcp_variant); + if (!tcpv) { + ureg_free_tokens(state.tokens); + return NULL; + } + + /* fill in new variant */ + tcpv->driver_shader = pipe->create_tcs_state(pipe, &state); + tcpv->key = *key; + + ureg_free_tokens(state.tokens); + return tcpv; } @@ -1280,7 +1362,56 @@ st_translate_tesseval_program(struct st_context *st, struct st_tesseval_program *sttep, const struct st_tep_variant_key *key) { - return NULL; /* will be updated in the next commit */ + struct pipe_context *pipe = st->pipe; + struct ureg_program *ureg; + struct st_tep_variant *tepv; + struct pipe_shader_state state; + + ureg = ureg_create_with_screen(TGSI_PROCESSOR_TESS_EVAL, pipe->screen); + if (ureg == NULL) { + return NULL; + } + + if (sttep->Base.PrimitiveMode == GL_ISOLINES) + ureg_property(ureg, TGSI_PROPERTY_TES_PRIM_MODE, GL_LINES); + else + ureg_property(ureg, TGSI_PROPERTY_TES_PRIM_MODE, sttep->Base.PrimitiveMode); + + switch (sttep->Base.Spacing) { + case GL_EQUAL: + ureg_property(ureg, TGSI_PROPERTY_TES_SPACING, PIPE_TESS_SPACING_EQUAL); + break; + case GL_FRACTIONAL_EVEN: + ureg_property(ureg, TGSI_PROPERTY_TES_SPACING, + PIPE_TESS_SPACING_FRACTIONAL_EVEN); + break; + case GL_FRACTIONAL_ODD: + ureg_property(ureg, TGSI_PROPERTY_TES_SPACING, + PIPE_TESS_SPACING_FRACTIONAL_ODD); + break; + default: + assert(0); + } + + ureg_property(ureg, TGSI_PROPERTY_TES_VERTEX_ORDER_CW, + sttep->Base.VertexOrder == GL_CW); + ureg_property(ureg, TGSI_PROPERTY_TES_POINT_MODE, sttep->Base.PointMode); + + st_translate_program_common(st, &sttep->Base.Base, sttep->glsl_to_tgsi, + ureg, TGSI_PROCESSOR_TESS_EVAL, &state); + + tepv = CALLOC_STRUCT(st_tep_variant); + if (!tepv) { + ureg_free_tokens(state.tokens); + return NULL; + } + + /* fill in new variant */ + tepv->driver_shader = pipe->create_tes_state(pipe, &state); + tepv->key = *key; + + ureg_free_tokens(state.tokens); + return tepv; }