diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/mesa/state_tracker/st_mesa_to_tgsi.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/mesa/state_tracker/st_mesa_to_tgsi.c')
-rw-r--r-- | src/mesa/state_tracker/st_mesa_to_tgsi.c | 135 |
1 files changed, 99 insertions, 36 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index 70d7c4fee2..e788008dfe 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -160,13 +160,14 @@ dst_register( struct st_translate *t, static struct ureg_src src_register( struct st_translate *t, gl_register_file file, - GLuint index ) + GLint index ) { switch( file ) { case PROGRAM_UNDEFINED: return ureg_src_undef(); case PROGRAM_TEMPORARY: + ASSERT(index >= 0); if (ureg_dst_is_undef(t->temps[index])) t->temps[index] = ureg_DECL_temporary( t->ureg ); return ureg_src(t->temps[index]); @@ -174,9 +175,15 @@ src_register( struct st_translate *t, case PROGRAM_STATE_VAR: case PROGRAM_NAMED_PARAM: case PROGRAM_ENV_PARAM: + case PROGRAM_LOCAL_PARAM: case PROGRAM_UNIFORM: - case PROGRAM_CONSTANT: /* ie, immediate */ + ASSERT(index >= 0); return t->constants[index]; + case PROGRAM_CONSTANT: /* ie, immediate */ + if (index < 0) + return ureg_DECL_constant( t->ureg, 0 ); + else + return t->constants[index]; case PROGRAM_INPUT: return t->inputs[t->inputMapping[index]]; @@ -263,9 +270,14 @@ translate_src( struct st_translate *t, if (SrcReg->Abs) src = ureg_abs(src); - if (SrcReg->RelAddr) + if (SrcReg->RelAddr) { src = ureg_src_indirect( src, ureg_src(t->address[0])); - + /* If SrcReg->Index was negative, it was set to zero in + * src_register(). Reassign it now. + */ + src.Index = SrcReg->Index; + } + return src; } @@ -278,7 +290,7 @@ static struct ureg_src swizzle_4v( struct ureg_src src, /** - * Translate SWZ instructions into a single MAD. EG: + * Translate a SWZ instruction into a MOV, MUL or MAD instruction. EG: * * SWZ dst, src.x-y10 * @@ -396,6 +408,23 @@ static void emit_swz( struct st_translate *t, } +/** + * Negate the value of DDY to match GL semantics where (0,0) is the + * lower-left corner of the window. + * Note that the GL_ARB_fragment_coord_conventions extension will + * effect this someday. + */ +static void emit_ddy( struct st_translate *t, + struct ureg_dst dst, + const struct prog_src_register *SrcReg ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_src src = translate_src( t, SrcReg ); + src = ureg_negate( src ); + ureg_DDY( ureg, dst, src ); +} + + static unsigned translate_opcode( unsigned op ) @@ -481,14 +510,6 @@ translate_opcode( unsigned op ) return TGSI_OPCODE_MOV; case OPCODE_MUL: return TGSI_OPCODE_MUL; - case OPCODE_NOISE1: - return TGSI_OPCODE_NOISE1; - case OPCODE_NOISE2: - return TGSI_OPCODE_NOISE2; - case OPCODE_NOISE3: - return TGSI_OPCODE_NOISE3; - case OPCODE_NOISE4: - return TGSI_OPCODE_NOISE4; case OPCODE_NOP: return TGSI_OPCODE_NOP; case OPCODE_NRM3: @@ -523,8 +544,6 @@ translate_opcode( unsigned op ) return TGSI_OPCODE_SSG; case OPCODE_SUB: return TGSI_OPCODE_SUB; - case OPCODE_SWZ: - return TGSI_OPCODE_SWZ; case OPCODE_TEX: return TGSI_OPCODE_TEX; case OPCODE_TXB: @@ -616,6 +635,23 @@ compile_instruction( src, num_src ); break; + case OPCODE_NOISE1: + case OPCODE_NOISE2: + case OPCODE_NOISE3: + case OPCODE_NOISE4: + /* At some point, a motivated person could add a better + * implementation of noise. Currently not even the nvidia + * binary drivers do anything more than this. In any case, the + * place to do this is in the GL state tracker, not the poor + * driver. + */ + ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) ); + break; + + case OPCODE_DDY: + emit_ddy( t, dst[0], &inst->SrcReg[0] ); + break; + default: ureg_insn( ureg, translate_opcode( inst->Opcode ), @@ -671,6 +707,41 @@ emit_inverted_wpos( struct st_translate *t, /** + * OpenGL's fragment gl_FrontFace input is 1 for front-facing, 0 for back. + * TGSI uses +1 for front, -1 for back. + * This function converts the TGSI value to the GL value. Simply clamping/ + * saturating the value to [0,1] does the job. + */ +static void +emit_face_var( struct st_translate *t, + const struct gl_program *program ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_dst face_temp = ureg_DECL_temporary( ureg ); + struct ureg_src face_input = t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]]; + + /* MOV_SAT face_temp, input[face] + */ + face_temp = ureg_saturate( face_temp ); + ureg_MOV( ureg, face_temp, face_input ); + + /* Use face_temp as face input from here on: + */ + t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]] = ureg_src(face_temp); +} + +static void +emit_edgeflags( struct st_translate *t, + const struct gl_program *program ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_dst edge_dst = t->outputs[t->outputMapping[VERT_RESULT_EDGE]]; + struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]]; + + ureg_MOV( ureg, edge_dst, edge_src ); +} + +/** * Translate Mesa program to TGSI format. * \param program the program to translate * \param numInputs number of input registers used @@ -689,26 +760,24 @@ emit_inverted_wpos( struct st_translate *t, * * \return array of translated tokens, caller's responsibility to free */ -const struct tgsi_token * +enum pipe_error st_translate_mesa_program( GLcontext *ctx, uint procType, + struct ureg_program *ureg, const struct gl_program *program, GLuint numInputs, const GLuint inputMapping[], const ubyte inputSemanticName[], const ubyte inputSemanticIndex[], const GLuint interpMode[], - const GLbitfield inputFlags[], GLuint numOutputs, const GLuint outputMapping[], const ubyte outputSemanticName[], const ubyte outputSemanticIndex[], - const GLbitfield outputFlags[] ) + boolean passthrough_edgeflags ) { struct st_translate translate, *t; - struct ureg_program *ureg; - const struct tgsi_token *tokens = NULL; unsigned i; t = &translate; @@ -717,11 +786,7 @@ st_translate_mesa_program( t->procType = procType; t->inputMapping = inputMapping; t->outputMapping = outputMapping; - t->ureg = ureg_create( procType ); - if (t->ureg == NULL) - return NULL; - - ureg = t->ureg; + t->ureg = ureg; /*_mesa_print_program(program);*/ @@ -743,6 +808,10 @@ st_translate_mesa_program( emit_inverted_wpos( t, program ); } + if (program->InputsRead & FRAG_BIT_FACE) { + emit_face_var( t, program ); + } + /* * Declare output attributes. */ @@ -777,6 +846,8 @@ st_translate_mesa_program( outputSemanticName[i], outputSemanticIndex[i] ); } + if (passthrough_edgeflags) + emit_edgeflags( t, program ); } /* Declare address register. @@ -800,6 +871,7 @@ st_translate_mesa_program( for (i = 0; i < program->Parameters->NumParameters; i++) { switch (program->Parameters->Parameters[i].Type) { case PROGRAM_ENV_PARAM: + case PROGRAM_LOCAL_PARAM: case PROGRAM_STATE_VAR: case PROGRAM_NAMED_PARAM: case PROGRAM_UNIFORM: @@ -848,8 +920,7 @@ st_translate_mesa_program( t->insn[t->labels[i].branch_target] ); } - tokens = ureg_get_tokens( ureg, NULL ); - ureg_destroy( ureg ); + return PIPE_OK; out: FREE(t->insn); @@ -858,17 +929,9 @@ out: if (t->error) { debug_printf("%s: translate error flag set\n", __FUNCTION__); - FREE((void *)tokens); - tokens = NULL; - } - - if (!tokens) { - debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__); - _mesa_print_program(program); - debug_assert(0); } - return tokens; + return PIPE_ERROR_OUT_OF_MEMORY; } |