diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/Makefile.sources | 1 | ||||
| -rw-r--r-- | src/mesa/main/atifragshader.h | 1 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_atifs_to_tgsi.c | 845 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_atifs_to_tgsi.h | 67 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_atom_constbuf.c | 15 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_atom_shader.c | 65 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_cb_drawpixels.c | 1 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_cb_program.c | 31 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 34 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_program.h | 8 |
10 files changed, 1064 insertions, 4 deletions
diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources index a6c12c64828..54601a956fd 100644 --- a/src/mesa/Makefile.sources +++ b/src/mesa/Makefile.sources @@ -395,6 +395,7 @@ VBO_FILES = \ vbo/vbo_split_inplace.c STATETRACKER_FILES = \ + state_tracker/st_atifs_to_tgsi.c \ state_tracker/st_atom_array.c \ state_tracker/st_atom_atomicbuf.c \ state_tracker/st_atom_blend.c \ diff --git a/src/mesa/main/atifragshader.h b/src/mesa/main/atifragshader.h index 59011341018..0e32795da3b 100644 --- a/src/mesa/main/atifragshader.h +++ b/src/mesa/main/atifragshader.h @@ -16,6 +16,7 @@ struct gl_context; #define MAX_NUM_INSTRUCTIONS_PER_PASS_ATI 8 #define MAX_NUM_PASSES_ATI 2 #define MAX_NUM_FRAGMENT_REGISTERS_ATI 6 +#define MAX_NUM_FRAGMENT_CONSTANTS_ATI 8 struct ati_fs_opcode_st { diff --git a/src/mesa/state_tracker/st_atifs_to_tgsi.c b/src/mesa/state_tracker/st_atifs_to_tgsi.c new file mode 100644 index 00000000000..66f442aee5a --- /dev/null +++ b/src/mesa/state_tracker/st_atifs_to_tgsi.c @@ -0,0 +1,845 @@ +/* + * Copyright (C) 2016 Miklós Máté + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "main/mtypes.h" +#include "main/atifragshader.h" +#include "main/errors.h" +#include "program/prog_parameter.h" + +#include "tgsi/tgsi_ureg.h" +#include "tgsi/tgsi_scan.h" +#include "tgsi/tgsi_transform.h" + +#include "st_program.h" +#include "st_atifs_to_tgsi.h" + +/** + * Intermediate state used during shader translation. + */ +struct st_translate { + struct ureg_program *ureg; + struct ati_fragment_shader *atifs; + + struct ureg_dst temps[MAX_PROGRAM_TEMPS]; + struct ureg_src *constants; + struct ureg_dst outputs[PIPE_MAX_SHADER_OUTPUTS]; + struct ureg_src inputs[PIPE_MAX_SHADER_INPUTS]; + struct ureg_src samplers[PIPE_MAX_SAMPLERS]; + + const GLuint *inputMapping; + const GLuint *outputMapping; + + unsigned current_pass; + + bool regs_written[MAX_NUM_PASSES_ATI][MAX_NUM_FRAGMENT_REGISTERS_ATI]; + + boolean error; +}; + +struct instruction_desc { + unsigned TGSI_opcode; + const char *name; + unsigned char arg_count; +}; + +static const struct instruction_desc inst_desc[] = { + {TGSI_OPCODE_MOV, "MOV", 1}, + {TGSI_OPCODE_NOP, "UND", 0}, /* unused */ + {TGSI_OPCODE_ADD, "ADD", 2}, + {TGSI_OPCODE_MUL, "MUL", 2}, + {TGSI_OPCODE_SUB, "SUB", 2}, + {TGSI_OPCODE_DP3, "DOT3", 2}, + {TGSI_OPCODE_DP4, "DOT4", 2}, + {TGSI_OPCODE_MAD, "MAD", 3}, + {TGSI_OPCODE_LRP, "LERP", 3}, + {TGSI_OPCODE_NOP, "CND", 3}, + {TGSI_OPCODE_NOP, "CND0", 3}, + {TGSI_OPCODE_NOP, "DOT2_ADD", 3} +}; + +static struct ureg_dst +get_temp(struct st_translate *t, unsigned index) +{ + if (ureg_dst_is_undef(t->temps[index])) + t->temps[index] = ureg_DECL_temporary(t->ureg); + return t->temps[index]; +} + +static struct ureg_src +apply_swizzle(struct st_translate *t, + struct ureg_src src, GLuint swizzle) +{ + if (swizzle == GL_SWIZZLE_STR_ATI) { + return src; + } else if (swizzle == GL_SWIZZLE_STQ_ATI) { + return ureg_swizzle(src, + TGSI_SWIZZLE_X, + TGSI_SWIZZLE_Y, + TGSI_SWIZZLE_W, + TGSI_SWIZZLE_Z); + } else { + struct ureg_dst tmp[2]; + struct ureg_src imm[3]; + + tmp[0] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI); + tmp[1] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI + 1); + imm[0] = src; + imm[1] = ureg_imm4f(t->ureg, 1.0f, 1.0f, 0.0f, 0.0f); + imm[2] = ureg_imm4f(t->ureg, 0.0f, 0.0f, 1.0f, 1.0f); + ureg_insn(t->ureg, TGSI_OPCODE_MAD, &tmp[0], 1, imm, 3); + + if (swizzle == GL_SWIZZLE_STR_DR_ATI) { + imm[0] = ureg_scalar(src, TGSI_SWIZZLE_Z); + } else { + imm[0] = ureg_scalar(src, TGSI_SWIZZLE_W); + } + ureg_insn(t->ureg, TGSI_OPCODE_RCP, &tmp[1], 1, &imm[0], 1); + + imm[0] = ureg_src(tmp[0]); + imm[1] = ureg_src(tmp[1]); + ureg_insn(t->ureg, TGSI_OPCODE_MUL, &tmp[0], 1, imm, 2); + + return ureg_src(tmp[0]); + } +} + +static struct ureg_src +get_source(struct st_translate *t, GLuint src_type) +{ + if (src_type >= GL_REG_0_ATI && src_type <= GL_REG_5_ATI) { + if (t->regs_written[t->current_pass][src_type - GL_REG_0_ATI]) { + return ureg_src(get_temp(t, src_type - GL_REG_0_ATI)); + } else { + return ureg_imm1f(t->ureg, 0.0f); + } + } else if (src_type >= GL_CON_0_ATI && src_type <= GL_CON_7_ATI) { + return t->constants[src_type - GL_CON_0_ATI]; + } else if (src_type == GL_ZERO) { + return ureg_imm1f(t->ureg, 0.0f); + } else if (src_type == GL_ONE) { + return ureg_imm1f(t->ureg, 1.0f); + } else if (src_type == GL_PRIMARY_COLOR_ARB) { + return t->inputs[t->inputMapping[VARYING_SLOT_COL0]]; + } else if (src_type == GL_SECONDARY_INTERPOLATOR_ATI) { + return t->inputs[t->inputMapping[VARYING_SLOT_COL1]]; + } else { + /* frontend prevents this */ + unreachable("unknown source"); + } +} + +static struct ureg_src +prepare_argument(struct st_translate *t, const unsigned argId, + const struct atifragshader_src_register *srcReg) +{ + struct ureg_src src = get_source(t, srcReg->Index); + struct ureg_dst arg = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI + argId); + + switch (srcReg->argRep) { + case GL_NONE: + break; + case GL_RED: + src = ureg_scalar(src, TGSI_SWIZZLE_X); + break; + case GL_GREEN: + src = ureg_scalar(src, TGSI_SWIZZLE_Y); + break; + case GL_BLUE: + src = ureg_scalar(src, TGSI_SWIZZLE_Z); + break; + case GL_ALPHA: + src = ureg_scalar(src, TGSI_SWIZZLE_W); + break; + } + ureg_insn(t->ureg, TGSI_OPCODE_MOV, &arg, 1, &src, 1); + + if (srcReg->argMod & GL_COMP_BIT_ATI) { + struct ureg_src modsrc[2]; + modsrc[0] = ureg_imm1f(t->ureg, 1.0f); + modsrc[1] = ureg_src(arg); + + ureg_insn(t->ureg, TGSI_OPCODE_SUB, &arg, 1, modsrc, 2); + } + if (srcReg->argMod & GL_BIAS_BIT_ATI) { + struct ureg_src modsrc[2]; + modsrc[0] = ureg_src(arg); + modsrc[1] = ureg_imm1f(t->ureg, 0.5f); + + ureg_insn(t->ureg, TGSI_OPCODE_SUB, &arg, 1, modsrc, 2); + } + if (srcReg->argMod & GL_2X_BIT_ATI) { + struct ureg_src modsrc[2]; + modsrc[0] = ureg_src(arg); + modsrc[1] = ureg_src(arg); + + ureg_insn(t->ureg, TGSI_OPCODE_ADD, &arg, 1, modsrc, 2); + } + if (srcReg->argMod & GL_NEGATE_BIT_ATI) { + struct ureg_src modsrc[2]; + modsrc[0] = ureg_src(arg); + modsrc[1] = ureg_imm1f(t->ureg, -1.0f); + + ureg_insn(t->ureg, TGSI_OPCODE_MUL, &arg, 1, modsrc, 2); + } + return ureg_src(arg); +} + +/* These instructions need special treatment */ +static void +emit_special_inst(struct st_translate *t, const struct instruction_desc *desc, + struct ureg_dst *dst, struct ureg_src *args, unsigned argcount) +{ + struct ureg_dst tmp[1]; + struct ureg_src src[3]; + + if (!strcmp(desc->name, "CND")) { + tmp[0] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI + 2); /* re-purpose a3 */ + src[0] = ureg_imm1f(t->ureg, 0.5f); + src[1] = args[2]; + ureg_insn(t->ureg, TGSI_OPCODE_SUB, tmp, 1, src, 2); + src[0] = ureg_src(tmp[0]); + src[1] = args[0]; + src[2] = args[1]; + ureg_insn(t->ureg, TGSI_OPCODE_CMP, dst, 1, src, 3); + } else if (!strcmp(desc->name, "CND0")) { + src[0] = args[2]; + src[1] = args[1]; + src[2] = args[0]; + ureg_insn(t->ureg, TGSI_OPCODE_CMP, dst, 1, src, 3); + } else if (!strcmp(desc->name, "DOT2_ADD")) { + /* note: DP2A is not implemented in most pipe drivers */ + tmp[0] = get_temp(t, MAX_NUM_FRAGMENT_REGISTERS_ATI); /* re-purpose a1 */ + src[0] = args[0]; + src[1] = args[1]; + ureg_insn(t->ureg, TGSI_OPCODE_DP2, tmp, 1, src, 2); + src[0] = ureg_src(tmp[0]); + src[1] = ureg_scalar(args[2], TGSI_SWIZZLE_Z); + ureg_insn(t->ureg, TGSI_OPCODE_ADD, dst, 1, src, 2); + } +} + +static void +emit_arith_inst(struct st_translate *t, + const struct instruction_desc *desc, + struct ureg_dst *dst, struct ureg_src *args, unsigned argcount) +{ + if (desc->TGSI_opcode == TGSI_OPCODE_NOP) { + return emit_special_inst(t, desc, dst, args, argcount); + } + + ureg_insn(t->ureg, desc->TGSI_opcode, dst, 1, args, argcount); +} + +static void +emit_dstmod(struct st_translate *t, + struct ureg_dst dst, GLuint dstMod) +{ + float imm; + struct ureg_src src[3]; + GLuint scale = dstMod & ~GL_SATURATE_BIT_ATI; + + if (dstMod == GL_NONE) { + return; + } + + switch (scale) { + case GL_2X_BIT_ATI: + imm = 2.0f; + break; + case GL_4X_BIT_ATI: + imm = 4.0f; + break; + case GL_8X_BIT_ATI: + imm = 8.0f; + break; + case GL_HALF_BIT_ATI: + imm = 0.5f; + break; + case GL_QUARTER_BIT_ATI: + imm = 0.25f; + break; + case GL_EIGHTH_BIT_ATI: + imm = 0.125f; + break; + default: + imm = 1.0f; + } + + src[0] = ureg_src(dst); + src[1] = ureg_imm1f(t->ureg, imm); + if (dstMod & GL_SATURATE_BIT_ATI) { + dst = ureg_saturate(dst); + } + ureg_insn(t->ureg, TGSI_OPCODE_MUL, &dst, 1, src, 2); +} + +/** + * Compile one setup instruction to TGSI instructions. + */ +static void +compile_setupinst(struct st_translate *t, + const unsigned r, + const struct atifs_setupinst *texinst) +{ + struct ureg_dst dst[1]; + struct ureg_src src[2]; + + if (!texinst->Opcode) + return; + + dst[0] = get_temp(t, r); + + GLuint pass_tex = texinst->src; + + if (pass_tex >= GL_TEXTURE0_ARB && pass_tex <= GL_TEXTURE7_ARB) { + unsigned attr = pass_tex - GL_TEXTURE0_ARB + VARYING_SLOT_TEX0; + + src[0] = t->inputs[t->inputMapping[attr]]; + } else if (pass_tex >= GL_REG_0_ATI && pass_tex <= GL_REG_5_ATI) { + unsigned reg = pass_tex - GL_REG_0_ATI; + + /* the frontend already validated that REG is only allowed in second pass */ + if (t->regs_written[0][reg]) { + src[0] = ureg_src(t->temps[reg]); + } else { + src[0] = ureg_imm1f(t->ureg, 0.0f); + } + } + src[0] = apply_swizzle(t, src[0], texinst->swizzle); + + if (texinst->Opcode == ATI_FRAGMENT_SHADER_SAMPLE_OP) { + /* by default texture and sampler indexes are the same */ + src[1] = t->samplers[r]; + /* the texture target is still unknown, it will be fixed in the draw call */ + ureg_tex_insn(t->ureg, TGSI_OPCODE_TEX, dst, 1, TGSI_TEXTURE_2D, + NULL, 0, src, 2); + } else if (texinst->Opcode == ATI_FRAGMENT_SHADER_PASS_OP) { + ureg_insn(t->ureg, TGSI_OPCODE_MOV, dst, 1, src, 1); + } + + t->regs_written[t->current_pass][r] = true; +} + +/** + * Compile one arithmetic operation COLOR&ALPHA pair into TGSI instructions. + */ +static void +compile_instruction(struct st_translate *t, + const struct atifs_instruction *inst) +{ + unsigned optype; + + for (optype = 0; optype < 2; optype++) { /* color, alpha */ + const struct instruction_desc *desc; + struct ureg_dst dst[1]; + struct ureg_src args[3]; /* arguments for the main operation */ + unsigned arg; + unsigned dstreg = inst->DstReg[optype].Index - GL_REG_0_ATI; + + if (!inst->Opcode[optype]) + continue; + + desc = &inst_desc[inst->Opcode[optype] - GL_MOV_ATI]; + + /* prepare the arguments */ + for (arg = 0; arg < desc->arg_count; arg++) { + if (arg >= inst->ArgCount[optype]) { + _mesa_warning(0, "Using 0 for missing argument %d of %s\n", + arg, desc->name); + args[arg] = ureg_imm1f(t->ureg, 0.0f); + } else { + args[arg] = prepare_argument(t, arg, + &inst->SrcReg[optype][arg]); + } + } + + /* prepare dst */ + dst[0] = get_temp(t, dstreg); + + if (optype) { + dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_W); + } else { + GLuint dstMask = inst->DstReg[optype].dstMask; + if (dstMask == GL_NONE) { + dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_XYZ); + } else { + dst[0] = ureg_writemask(dst[0], dstMask); /* the enum values match */ + } + } + + /* emit the main instruction */ + emit_arith_inst(t, desc, dst, args, arg); + + emit_dstmod(t, *dst, inst->DstReg[optype].dstMod); + + t->regs_written[t->current_pass][dstreg] = true; + } +} + +static void +finalize_shader(struct st_translate *t, unsigned numPasses) +{ + struct ureg_dst dst[1] = { { 0 } }; + struct ureg_src src[1] = { { 0 } }; + + if (t->regs_written[numPasses-1][0]) { + /* copy the result into the OUT slot */ + dst[0] = t->outputs[t->outputMapping[FRAG_RESULT_COLOR]]; + src[0] = ureg_src(t->temps[0]); + ureg_insn(t->ureg, TGSI_OPCODE_MOV, dst, 1, src, 1); + } + + /* signal the end of the program */ + ureg_insn(t->ureg, TGSI_OPCODE_END, dst, 0, src, 0); +} + +/** + * Called when a new variant is needed, we need to translate + * the ATI fragment shader to TGSI + */ +enum pipe_error +st_translate_atifs_program( + struct ureg_program *ureg, + struct ati_fragment_shader *atifs, + struct gl_program *program, + GLuint numInputs, + const GLuint inputMapping[], + const ubyte inputSemanticName[], + const ubyte inputSemanticIndex[], + const GLuint interpMode[], + GLuint numOutputs, + const GLuint outputMapping[], + const ubyte outputSemanticName[], + const ubyte outputSemanticIndex[]) +{ + enum pipe_error ret = PIPE_OK; + + unsigned pass, i, r; + + struct st_translate translate, *t; + t = &translate; + memset(t, 0, sizeof *t); + + t->inputMapping = inputMapping; + t->outputMapping = outputMapping; + t->ureg = ureg; + t->atifs = atifs; + + /* + * Declare input attributes. + */ + for (i = 0; i < numInputs; i++) { + t->inputs[i] = ureg_DECL_fs_input(ureg, + inputSemanticName[i], + inputSemanticIndex[i], + interpMode[i]); + } + + /* + * Declare output attributes: + * we always have numOutputs=1 and it's FRAG_RESULT_COLOR + */ + t->outputs[0] = ureg_DECL_output(ureg, + TGSI_SEMANTIC_COLOR, + outputSemanticIndex[0]); + + /* Emit constants and immediates. Mesa uses a single index space + * for these, so we put all the translated regs in t->constants. + */ + if (program->Parameters) { + t->constants = calloc(program->Parameters->NumParameters, + sizeof t->constants[0]); + if (t->constants == NULL) { + ret = PIPE_ERROR_OUT_OF_MEMORY; + goto out; + } + + for (i = 0; i < program->Parameters->NumParameters; i++) { + switch (program->Parameters->Parameters[i].Type) { + case PROGRAM_STATE_VAR: + case PROGRAM_UNIFORM: + t->constants[i] = ureg_DECL_constant(ureg, i); + break; + case PROGRAM_CONSTANT: + t->constants[i] = + ureg_DECL_immediate(ureg, + (const float*)program->Parameters->ParameterValues[i], + 4); + break; + default: + break; + } + } + } + + /* texture samplers */ + for (i = 0; i < MAX_NUM_FRAGMENT_REGISTERS_ATI; i++) { + if (program->SamplersUsed & (1 << i)) { + t->samplers[i] = ureg_DECL_sampler(ureg, i); + /* the texture target is still unknown, it will be fixed in the draw call */ + ureg_DECL_sampler_view(ureg, i, TGSI_TEXTURE_2D, + TGSI_RETURN_TYPE_FLOAT, + TGSI_RETURN_TYPE_FLOAT, + TGSI_RETURN_TYPE_FLOAT, + TGSI_RETURN_TYPE_FLOAT); + } + } + + /* emit instructions */ + for (pass = 0; pass < atifs->NumPasses; pass++) { + t->current_pass = pass; + for (r = 0; r < MAX_NUM_FRAGMENT_REGISTERS_ATI; r++) { + struct atifs_setupinst *texinst = &atifs->SetupInst[pass][r]; + compile_setupinst(t, r, texinst); + } + for (i = 0; i < atifs->numArithInstr[pass]; i++) { + struct atifs_instruction *inst = &atifs->Instructions[pass][i]; + compile_instruction(t, inst); + } + } + + finalize_shader(t, atifs->NumPasses); + +out: + free(t->constants); + + if (t->error) { + debug_printf("%s: translate error flag set\n", __func__); + } + + return ret; +} + +/** + * Called in ProgramStringNotify, we need to fill the metadata of the + * gl_program attached to the ati_fragment_shader + */ +void +st_init_atifs_prog(struct gl_context *ctx, struct gl_program *prog) +{ + /* we know this is st_fragment_program, because of st_new_ati_fs() */ + struct st_fragment_program *stfp = (struct st_fragment_program *) prog; + struct ati_fragment_shader *atifs = stfp->ati_fs; + + unsigned pass, i, r, optype, arg; + + static const gl_state_index fog_params_state[STATE_LENGTH] = + {STATE_INTERNAL, STATE_FOG_PARAMS_OPTIMIZED, 0, 0, 0}; + static const gl_state_index fog_color[STATE_LENGTH] = + {STATE_FOG_COLOR, 0, 0, 0, 0}; + + prog->InputsRead = 0; + prog->OutputsWritten = BITFIELD64_BIT(FRAG_RESULT_COLOR); + prog->SamplersUsed = 0; + prog->Parameters = _mesa_new_parameter_list(); + + /* fill in InputsRead, SamplersUsed, TexturesUsed */ + for (pass = 0; pass < atifs->NumPasses; pass++) { + for (r = 0; r < MAX_NUM_FRAGMENT_REGISTERS_ATI; r++) { + struct atifs_setupinst *texinst = &atifs->SetupInst[pass][r]; + GLuint pass_tex = texinst->src; + + if (texinst->Opcode == ATI_FRAGMENT_SHADER_SAMPLE_OP) { + /* mark which texcoords are used */ + prog->InputsRead |= BITFIELD64_BIT(VARYING_SLOT_TEX0 + pass_tex - GL_TEXTURE0_ARB); + /* by default there is 1:1 mapping between samplers and textures */ + prog->SamplersUsed |= (1 << r); + /* the target is unknown here, it will be fixed in the draw call */ + prog->TexturesUsed[r] = TEXTURE_2D_BIT; + } else if (texinst->Opcode == ATI_FRAGMENT_SHADER_PASS_OP) { + if (pass_tex >= GL_TEXTURE0_ARB && pass_tex <= GL_TEXTURE7_ARB) { + prog->InputsRead |= BITFIELD64_BIT(VARYING_SLOT_TEX0 + pass_tex - GL_TEXTURE0_ARB); + } + } + } + } + for (pass = 0; pass < atifs->NumPasses; pass++) { + for (i = 0; i < atifs->numArithInstr[pass]; i++) { + struct atifs_instruction *inst = &atifs->Instructions[pass][i]; + + for (optype = 0; optype < 2; optype++) { /* color, alpha */ + if (inst->Opcode[optype]) { + for (arg = 0; arg < inst->ArgCount[optype]; arg++) { + GLint index = inst->SrcReg[optype][arg].Index; + if (index == GL_PRIMARY_COLOR_EXT) { + prog->InputsRead |= BITFIELD64_BIT(VARYING_SLOT_COL0); + } else if (index == GL_SECONDARY_INTERPOLATOR_ATI) { + /* note: ATI_fragment_shader.txt never specifies what + * GL_SECONDARY_INTERPOLATOR_ATI is, swrast uses + * VARYING_SLOT_COL1 for this input */ + prog->InputsRead |= BITFIELD64_BIT(VARYING_SLOT_COL1); + } + } + } + } + } + } + /* we may need fog */ + prog->InputsRead |= BITFIELD64_BIT(VARYING_SLOT_FOGC); + + /* we always have the ATI_fs constants, and the fog params */ + for (i = 0; i < MAX_NUM_FRAGMENT_CONSTANTS_ATI; i++) { + _mesa_add_parameter(prog->Parameters, PROGRAM_UNIFORM, + NULL, 4, GL_FLOAT, NULL, NULL); + } + _mesa_add_state_reference(prog->Parameters, fog_params_state); + _mesa_add_state_reference(prog->Parameters, fog_color); + + prog->NumInstructions = 0; + prog->NumTemporaries = MAX_NUM_FRAGMENT_REGISTERS_ATI + 3; /* 3 input temps for arith ops */ + prog->NumParameters = MAX_NUM_FRAGMENT_CONSTANTS_ATI + 2; /* 2 state variables for fog */ +} + + +struct tgsi_atifs_transform { + struct tgsi_transform_context base; + struct tgsi_shader_info info; + const struct st_fp_variant_key *key; + bool first_instruction_emitted; + unsigned fog_factor_temp; + unsigned fog_clamp_imm; +}; + +static inline struct tgsi_atifs_transform * +tgsi_atifs_transform(struct tgsi_transform_context *tctx) +{ + return (struct tgsi_atifs_transform *)tctx; +} + +/* copied from st_cb_drawpixels_shader.c */ +static void +set_src(struct tgsi_full_instruction *inst, unsigned i, unsigned file, unsigned index, + unsigned x, unsigned y, unsigned z, unsigned w) +{ + inst->Src[i].Register.File = file; + inst->Src[i].Register.Index = index; + inst->Src[i].Register.SwizzleX = x; + inst->Src[i].Register.SwizzleY = y; + inst->Src[i].Register.SwizzleZ = z; + inst->Src[i].Register.SwizzleW = w; +} + +#define SET_SRC(inst, i, file, index, x, y, z, w) \ + set_src(inst, i, file, index, TGSI_SWIZZLE_##x, TGSI_SWIZZLE_##y, \ + TGSI_SWIZZLE_##z, TGSI_SWIZZLE_##w) + +static void +transform_decl(struct tgsi_transform_context *tctx, + struct tgsi_full_declaration *decl) +{ + struct tgsi_atifs_transform *ctx = tgsi_atifs_transform(tctx); + + if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) { + /* fix texture target */ + unsigned newtarget = ctx->key->texture_targets[decl->Range.First]; + if (newtarget) + decl->SamplerView.Resource = newtarget; + } + + tctx->emit_declaration(tctx, decl); +} + +static void +transform_instr(struct tgsi_transform_context *tctx, + struct tgsi_full_instruction *current_inst) +{ + struct tgsi_atifs_transform *ctx = tgsi_atifs_transform(tctx); + + if (ctx->first_instruction_emitted) + goto transform_inst; + + ctx->first_instruction_emitted = true; + + if (ctx->key->fog) { + /* add a new temp for the fog factor */ + ctx->fog_factor_temp = ctx->info.file_max[TGSI_FILE_TEMPORARY] + 1; + tgsi_transform_temp_decl(tctx, ctx->fog_factor_temp); + + /* add immediates for clamp */ + ctx->fog_clamp_imm = ctx->info.immediate_count; + tgsi_transform_immediate_decl(tctx, 1.0f, 0.0f, 0.0f, 0.0f); + } + +transform_inst: + if (current_inst->Instruction.Opcode == TGSI_OPCODE_TEX) { + /* fix texture target */ + unsigned newtarget = ctx->key->texture_targets[current_inst->Src[1].Register.Index]; + if (newtarget) + current_inst->Texture.Texture = newtarget; + + } else if (ctx->key->fog && current_inst->Instruction.Opcode == TGSI_OPCODE_MOV && + current_inst->Dst[0].Register.File == TGSI_FILE_OUTPUT) { + struct tgsi_full_instruction inst; + unsigned i; + int fogc_index = -1; + + /* find FOGC input */ + for (i = 0; i < ctx->info.num_inputs; i++) { + if (ctx->info.input_semantic_name[i] == TGSI_SEMANTIC_FOG) { + fogc_index = i; + break; + } + } + if (fogc_index < 0) { + /* should never be reached, because fog coord input is always declared */ + tctx->emit_instruction(tctx, current_inst); + return; + } + + /* compute the 1 component fog factor f */ + if (ctx->key->fog == 1) { + /* LINEAR formula: f = (end - z) / (end - start) + * with optimized parameters: + * f = MAD(fogcoord, oparams.x, oparams.y) + */ + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_MAD; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 3; + SET_SRC(&inst, 0, TGSI_FILE_INPUT, fogc_index, X, Y, Z, W); + SET_SRC(&inst, 1, TGSI_FILE_CONSTANT, MAX_NUM_FRAGMENT_CONSTANTS_ATI, X, X, X, X); + SET_SRC(&inst, 2, TGSI_FILE_CONSTANT, MAX_NUM_FRAGMENT_CONSTANTS_ATI, Y, Y, Y, Y); + tctx->emit_instruction(tctx, &inst); + } else if (ctx->key->fog == 2) { + /* EXP formula: f = exp(-dens * z) + * with optimized parameters: + * f = MUL(fogcoord, oparams.z); f= EX2(-f) + */ + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_MUL; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 2; + SET_SRC(&inst, 0, TGSI_FILE_INPUT, fogc_index, X, Y, Z, W); + SET_SRC(&inst, 1, TGSI_FILE_CONSTANT, MAX_NUM_FRAGMENT_CONSTANTS_ATI, Z, Z, Z, Z); + tctx->emit_instruction(tctx, &inst); + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_EX2; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 1; + SET_SRC(&inst, 0, TGSI_FILE_TEMPORARY, ctx->fog_factor_temp, X, Y, Z, W); + inst.Src[0].Register.Negate = 1; + tctx->emit_instruction(tctx, &inst); + } else if (ctx->key->fog == 3) { + /* EXP2 formula: f = exp(-(dens * z)^2) + * with optimized parameters: + * f = MUL(fogcoord, oparams.w); f=MUL(f, f); f= EX2(-f) + */ + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_MUL; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 2; + SET_SRC(&inst, 0, TGSI_FILE_INPUT, fogc_index, X, Y, Z, W); + SET_SRC(&inst, 1, TGSI_FILE_CONSTANT, MAX_NUM_FRAGMENT_CONSTANTS_ATI, W, W, W, W); + tctx->emit_instruction(tctx, &inst); + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_MUL; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 2; + SET_SRC(&inst, 0, TGSI_FILE_TEMPORARY, ctx->fog_factor_temp, X, Y, Z, W); + SET_SRC(&inst, 1, TGSI_FILE_TEMPORARY, ctx->fog_factor_temp, X, Y, Z, W); + tctx->emit_instruction(tctx, &inst); + + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_EX2; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 1; + SET_SRC(&inst, 0, TGSI_FILE_TEMPORARY, ctx->fog_factor_temp, X, Y, Z, W); + inst.Src[0].Register.Negate ^= 1; + tctx->emit_instruction(tctx, &inst); + } + /* f = CLAMP(f, 0.0, 1.0) */ + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_CLAMP; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = ctx->fog_factor_temp; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 3; + SET_SRC(&inst, 0, TGSI_FILE_TEMPORARY, ctx->fog_factor_temp, X, Y, Z, W); + SET_SRC(&inst, 1, TGSI_FILE_IMMEDIATE, ctx->fog_clamp_imm, Y, Y, Y, Y); // 0.0 + SET_SRC(&inst, 2, TGSI_FILE_IMMEDIATE, ctx->fog_clamp_imm, X, X, X, X); // 1.0 + tctx->emit_instruction(tctx, &inst); + + /* REG0 = LRP(f, REG0, fogcolor) */ + inst = tgsi_default_full_instruction(); + inst.Instruction.Opcode = TGSI_OPCODE_LRP; + inst.Instruction.NumDstRegs = 1; + inst.Dst[0].Register.File = TGSI_FILE_TEMPORARY; + inst.Dst[0].Register.Index = 0; + inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW; + inst.Instruction.NumSrcRegs = 3; + SET_SRC(&inst, 0, TGSI_FILE_TEMPORARY, ctx->fog_factor_temp, X, X, X, Y); + SET_SRC(&inst, 1, TGSI_FILE_TEMPORARY, 0, X, Y, Z, W); + SET_SRC(&inst, 2, TGSI_FILE_CONSTANT, MAX_NUM_FRAGMENT_CONSTANTS_ATI + 1, X, Y, Z, W); + tctx->emit_instruction(tctx, &inst); + } + + tctx->emit_instruction(tctx, current_inst); +} + +/* + * A post-process step in the draw call to fix texture targets and + * insert code for fog. + */ +const struct tgsi_token * +st_fixup_atifs(const struct tgsi_token *tokens, + const struct st_fp_variant_key *key) +{ + struct tgsi_atifs_transform ctx; + struct tgsi_token *newtoks; + int newlen; + + memset(&ctx, 0, sizeof(ctx)); + ctx.base.transform_declaration = transform_decl; + ctx.base.transform_instruction = transform_instr; + ctx.key = key; + tgsi_scan_shader(tokens, &ctx.info); + + newlen = tgsi_num_tokens(tokens) + 30; + newtoks = tgsi_alloc_tokens(newlen); + if (!newtoks) + return NULL; + + tgsi_transform_shader(tokens, newtoks, newlen, &ctx.base); + return newtoks; +} + diff --git a/src/mesa/state_tracker/st_atifs_to_tgsi.h b/src/mesa/state_tracker/st_atifs_to_tgsi.h new file mode 100644 index 00000000000..c1b6758ba02 --- /dev/null +++ b/src/mesa/state_tracker/st_atifs_to_tgsi.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2016 Miklós Máté + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef ST_ATIFS_TO_TGSI_H +#define ST_ATIFS_TO_TGSI_H + +#if defined __cplusplus +extern "C" { +#endif + +#include "main/glheader.h" +#include "pipe/p_defines.h" + +struct gl_context; +struct gl_program; +struct ureg_program; +struct tgsi_token; +struct ati_fragment_shader; +struct st_fp_variant_key; + +enum pipe_error +st_translate_atifs_program( + struct ureg_program *ureg, + struct ati_fragment_shader *atifs, + struct gl_program *program, + GLuint numInputs, + const GLuint inputMapping[], + const ubyte inputSemanticName[], + const ubyte inputSemanticIndex[], + const GLuint interpMode[], + GLuint numOutputs, + const GLuint outputMapping[], + const ubyte outputSemanticName[], + const ubyte outputSemanticIndex[]); + + +void +st_init_atifs_prog(struct gl_context *ctx, struct gl_program *prog); + +const struct tgsi_token * +st_fixup_atifs(const struct tgsi_token *tokens, + const struct st_fp_variant_key *key); + +#if defined __cplusplus +} /* extern "C" */ +#endif + +#endif /* ST_ATIFS_TO_TGSI_H */ diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c index 407dfd31c80..4d9b344111b 100644 --- a/src/mesa/state_tracker/st_atom_constbuf.c +++ b/src/mesa/state_tracker/st_atom_constbuf.c @@ -64,6 +64,21 @@ void st_upload_constants( struct st_context *st, shader_type == PIPE_SHADER_TESS_EVAL || shader_type == PIPE_SHADER_COMPUTE); + /* update the ATI constants before rendering */ + struct ati_fragment_shader *ati_fs = st->fp->ati_fs; + if (shader_type == PIPE_SHADER_FRAGMENT && ati_fs) { + unsigned c; + + for (c = 0; c < MAX_NUM_FRAGMENT_CONSTANTS_ATI; c++) { + if (ati_fs->LocalConstDef & (1 << c)) + memcpy(params->ParameterValues[c], + ati_fs->Constants[c], sizeof(GLfloat) * 4); + else + memcpy(params->ParameterValues[c], + st->ctx->ATIFragmentShader.GlobalConstants[c], sizeof(GLfloat) * 4); + } + } + /* update constants */ if (params && params->NumParameters) { struct pipe_constant_buffer cb; diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c index 709f0cbcb91..d0c2429dcef 100644 --- a/src/mesa/state_tracker/st_atom_shader.c +++ b/src/mesa/state_tracker/st_atom_shader.c @@ -38,18 +38,69 @@ #include "main/imports.h" #include "main/mtypes.h" #include "main/framebuffer.h" +#include "main/texobj.h" +#include "main/texstate.h" #include "program/program.h" #include "pipe/p_context.h" #include "pipe/p_shader_tokens.h" #include "util/u_simple_shaders.h" #include "cso_cache/cso_context.h" +#include "util/u_debug.h" #include "st_context.h" #include "st_atom.h" #include "st_program.h" +/** Compress the fog function enums into a 2-bit value */ +static GLuint +translate_fog_mode(GLenum mode) +{ + switch (mode) { + case GL_LINEAR: return 1; + case GL_EXP: return 2; + case GL_EXP2: return 3; + default: + return 0; + } +} + +static unsigned +get_texture_target(struct gl_context *ctx, const unsigned unit) +{ + struct gl_texture_object *texObj = _mesa_get_tex_unit(ctx, unit)->_Current; + gl_texture_index index; + + if (texObj) { + index = _mesa_tex_target_to_index(ctx, texObj->Target); + } else { + /* fallback for missing texture */ + index = TEXTURE_2D_INDEX; + } + + /* Map mesa texture target to TGSI texture target. + * Copied from st_mesa_to_tgsi.c, the shadow part is omitted */ + switch(index) { + case TEXTURE_2D_MULTISAMPLE_INDEX: return TGSI_TEXTURE_2D_MSAA; + case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX: return TGSI_TEXTURE_2D_ARRAY_MSAA; + case TEXTURE_BUFFER_INDEX: return TGSI_TEXTURE_BUFFER; + case TEXTURE_1D_INDEX: return TGSI_TEXTURE_1D; + case TEXTURE_2D_INDEX: return TGSI_TEXTURE_2D; + case TEXTURE_3D_INDEX: return TGSI_TEXTURE_3D; + case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_CUBE; + case TEXTURE_CUBE_ARRAY_INDEX: return TGSI_TEXTURE_CUBE_ARRAY; + case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_RECT; + case TEXTURE_1D_ARRAY_INDEX: return TGSI_TEXTURE_1D_ARRAY; + case TEXTURE_2D_ARRAY_INDEX: return TGSI_TEXTURE_2D_ARRAY; + case TEXTURE_EXTERNAL_INDEX: return TGSI_TEXTURE_2D; + default: + debug_assert(0); + return TGSI_TEXTURE_1D; + } +} + + /** * Update fragment program state/atom. This involves translating the * Mesa fragment program into a gallium fragment program and binding it. @@ -79,6 +130,18 @@ update_fp( struct st_context *st ) st->ctx->Multisample.MinSampleShadingValue * _mesa_geometric_samples(st->ctx->DrawBuffer) > 1; + if (stfp->ati_fs) { + unsigned u; + + if (st->ctx->Fog.Enabled) { + key.fog = translate_fog_mode(st->ctx->Fog.Mode); + } + + for (u = 0; u < MAX_NUM_FRAGMENT_REGISTERS_ATI; u++) { + key.texture_targets[u] = get_texture_target(st->ctx, u); + } + } + st->fp_variant = st_get_fp_variant(st, stfp, &key); st_reference_fragprog(st, &st->fp, stfp); @@ -91,7 +154,7 @@ update_fp( struct st_context *st ) const struct st_tracked_state st_update_fp = { "st_update_fp", /* name */ { /* dirty */ - _NEW_BUFFERS | _NEW_MULTISAMPLE, /* mesa */ + _NEW_BUFFERS | _NEW_MULTISAMPLE | _NEW_FOG, /* mesa */ ST_NEW_FRAGMENT_PROGRAM /* st */ }, update_fp /* update */ diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index 09f4d8e00d1..01ed5441d11 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -1302,6 +1302,7 @@ blit_copy_pixels(struct gl_context *ctx, GLint srcx, GLint srcy, !ctx->FragmentProgram.Enabled && !ctx->VertexProgram.Enabled && !ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT] && + !ctx->ATIFragmentShader._Enabled && ctx->DrawBuffer->_NumColorDrawBuffers == 1 && !ctx->Query.CondRenderQuery && !ctx->Query.CurrentOcclusionObject) { diff --git a/src/mesa/state_tracker/st_cb_program.c b/src/mesa/state_tracker/st_cb_program.c index 27cc0f3d154..d79cfe239e4 100644 --- a/src/mesa/state_tracker/st_cb_program.c +++ b/src/mesa/state_tracker/st_cb_program.c @@ -46,6 +46,7 @@ #include "st_mesa_to_tgsi.h" #include "st_cb_program.h" #include "st_glsl_to_tgsi.h" +#include "st_atifs_to_tgsi.h" @@ -302,6 +303,22 @@ st_program_string_notify( struct gl_context *ctx, if (st->cp == stcp) st->dirty_cp.st |= ST_NEW_COMPUTE_PROGRAM; } + else if (target == GL_FRAGMENT_SHADER_ATI) { + assert(prog); + + struct st_fragment_program *stfp = (struct st_fragment_program *) prog; + assert(stfp->ati_fs); + assert(stfp->ati_fs->Program == prog); + + st_init_atifs_prog(ctx, prog); + + st_release_fp_variants(st, stfp); + if (!st_translate_fragment_program(st, stfp)) + return false; + + if (st->fp == stfp) + st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; + } if (ST_DEBUG & DEBUG_PRECOMPILE || st->shader_has_one_variant[stage]) @@ -310,6 +327,19 @@ st_program_string_notify( struct gl_context *ctx, return GL_TRUE; } +/** + * Called via ctx->Driver.NewATIfs() + * Called in glEndFragmentShaderATI() + */ +static struct gl_program * +st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg) +{ + struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, + curProg->Id); + struct st_fragment_program *stfp = (struct st_fragment_program *)prog; + stfp->ati_fs = curProg; + return prog; +} /** * Plug in the program and shader-related device driver functions. @@ -322,6 +352,7 @@ st_init_program_functions(struct dd_function_table *functions) functions->NewProgram = st_new_program; functions->DeleteProgram = st_delete_program; functions->ProgramStringNotify = st_program_string_notify; + functions->NewATIfs = st_new_ati_fs; functions->LinkShader = st_link_shader; } diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 80dcfd82743..94dc48971ec 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -53,6 +53,7 @@ #include "st_context.h" #include "st_program.h" #include "st_mesa_to_tgsi.h" +#include "st_atifs_to_tgsi.h" #include "cso_cache/cso_context.h" @@ -811,7 +812,22 @@ st_translate_fragment_program(struct st_context *st, free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi); stfp->glsl_to_tgsi = NULL; - } else + } else if (stfp->ati_fs) + st_translate_atifs_program(ureg, + stfp->ati_fs, + &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); + else st_translate_mesa_program(st->ctx, TGSI_PROCESSOR_FRAGMENT, ureg, @@ -849,6 +865,16 @@ st_create_fp_variant(struct st_context *st, assert(!(key->bitmap && key->drawpixels)); + /* Fix texture targets and add fog for ATI_fs */ + if (stfp->ati_fs) { + const struct tgsi_token *tokens = st_fixup_atifs(tgsi.tokens, key); + + if (tokens) + tgsi.tokens = tokens; + else + fprintf(stderr, "mesa: cannot post-process ATI_fs\n"); + } + /* Emulate features. */ if (key->clamp_color || key->persample_shading) { const struct tgsi_token *tokens; @@ -858,9 +884,11 @@ st_create_fp_variant(struct st_context *st, tokens = tgsi_emulate(tgsi.tokens, flags); - if (tokens) + if (tokens) { + if (tgsi.tokens != stfp->tgsi.tokens) + tgsi_free_tokens(tgsi.tokens); tgsi.tokens = tokens; - else + } else fprintf(stderr, "mesa: cannot emulate deprecated features\n"); } diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h index 028fba99a74..7c90fd74e14 100644 --- a/src/mesa/state_tracker/st_program.h +++ b/src/mesa/state_tracker/st_program.h @@ -35,6 +35,7 @@ #define ST_PROGRAM_H #include "main/mtypes.h" +#include "main/atifragshader.h" #include "program/program.h" #include "pipe/p_state.h" #include "st_context.h" @@ -65,6 +66,12 @@ struct st_fp_variant_key /** for ARB_sample_shading */ GLuint persample_shading:1; + + /** needed for ATI_fragment_shader */ + GLuint fog:2; + + /** needed for ATI_fragment_shader */ + char texture_targets[MAX_NUM_FRAGMENT_REGISTERS_ATI]; }; @@ -99,6 +106,7 @@ struct st_fragment_program struct gl_fragment_program Base; struct pipe_shader_state tgsi; struct glsl_to_tgsi_visitor* glsl_to_tgsi; + struct ati_fragment_shader *ati_fs; struct st_fp_variant *variants; }; |