diff options
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_vertexprog.c | 122 |
1 files changed, 116 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_vertexprog.c b/src/mesa/drivers/dri/r300/r300_vertexprog.c index 590556d6da..b492355142 100644 --- a/src/mesa/drivers/dri/r300/r300_vertexprog.c +++ b/src/mesa/drivers/dri/r300/r300_vertexprog.c @@ -351,6 +351,24 @@ static unsigned long op_operands(enum prog_opcode opcode) SWIZZLE_ZERO, SWIZZLE_ZERO, \ t_src_class(src[2].File), VSF_FLAG_NONE) +#define ONE_SRC_0 MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), \ + SWIZZLE_ONE, SWIZZLE_ONE, \ + SWIZZLE_ONE, SWIZZLE_ONE, \ + t_src_class(src[0].File), VSF_FLAG_NONE) + +#define ONE_SRC_1 MAKE_VSF_SOURCE(t_src_index(vp, &src[1]), \ + SWIZZLE_ONE, SWIZZLE_ONE, \ + SWIZZLE_ONE, SWIZZLE_ONE, \ + t_src_class(src[1].File), VSF_FLAG_NONE) + +#define ONE_SRC_2 MAKE_VSF_SOURCE(t_src_index(vp, &src[2]), \ + SWIZZLE_ONE, SWIZZLE_ONE, \ + SWIZZLE_ONE, SWIZZLE_ONE, \ + t_src_class(src[2].File), VSF_FLAG_NONE) + +/* DP4 version seems to trigger some hw peculiarity */ +//#define PREFER_DP4 + void translate_vertex_shader(struct r300_vertex_program *vp) { struct vertex_program *mesa_vp=(void *)vp; @@ -365,6 +383,92 @@ void translate_vertex_shader(struct r300_vertex_program *vp) Smart enough to realize that it doesnt need it? */ int u_temp_i=VSF_MAX_FRAGMENT_TEMPS-1; struct prog_src_register src[3]; + + if (mesa_vp->IsPositionInvariant) { + struct program_parameter_list *paramList; + GLint tokens[6] = { STATE_MATRIX, STATE_MVP, 0, 0, 0, STATE_MATRIX }; + +#ifdef PREFER_DP4 + tokens[5] = STATE_MATRIX; +#else + tokens[5] = STATE_MATRIX_TRANSPOSE; +#endif + paramList = mesa_vp->Base.Parameters; + + vpi = malloc((mesa_vp->Base.NumInstructions + 4) * sizeof(struct prog_instruction)); + memset(vpi, 0, 4 * sizeof(struct prog_instruction)); + + for (i=0; i < 4; i++) { + GLint idx; + tokens[3] = tokens[4] = i; + idx = _mesa_add_state_reference(paramList, tokens); +#ifdef PREFER_DP4 + vpi[i].Opcode = OPCODE_DP4; + vpi[i].StringPos = 0; + vpi[i].Data = 0; + + vpi[i].DstReg.File = PROGRAM_OUTPUT; + vpi[i].DstReg.Index = VERT_RESULT_HPOS; + vpi[i].DstReg.WriteMask = 1 << i; + vpi[i].DstReg.CondMask = COND_TR; + + vpi[i].SrcReg[0].File = PROGRAM_STATE_VAR; + vpi[i].SrcReg[0].Index = idx; + vpi[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W); + + vpi[i].SrcReg[1].File = PROGRAM_INPUT; + vpi[i].SrcReg[1].Index = VERT_ATTRIB_POS; + vpi[i].SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W); +#else + if (i == 0) + vpi[i].Opcode = OPCODE_MUL; + else + vpi[i].Opcode = OPCODE_MAD; + + vpi[i].StringPos = 0; + vpi[i].Data = 0; + + if (i == 3) + vpi[i].DstReg.File = PROGRAM_OUTPUT; + else + vpi[i].DstReg.File = PROGRAM_TEMPORARY; + vpi[i].DstReg.Index = 0; + vpi[i].DstReg.WriteMask = 0xf; + vpi[i].DstReg.CondMask = COND_TR; + + vpi[i].SrcReg[0].File = PROGRAM_STATE_VAR; + vpi[i].SrcReg[0].Index = idx; + vpi[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W); + + vpi[i].SrcReg[1].File = PROGRAM_INPUT; + vpi[i].SrcReg[1].Index = VERT_ATTRIB_POS; + vpi[i].SrcReg[1].Swizzle = MAKE_SWIZZLE4(i, i, i, i); + + if (i > 0) { + vpi[i].SrcReg[2].File = PROGRAM_TEMPORARY; + vpi[i].SrcReg[2].Index = 0; + vpi[i].SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W); + } +#endif + } + + memcpy(&vpi[i], mesa_vp->Base.Instructions, mesa_vp->Base.NumInstructions * sizeof(struct prog_instruction)); + + free(mesa_vp->Base.Instructions); + + mesa_vp->Base.Instructions = vpi; + + mesa_vp->Base.NumInstructions += 4; + vpi = &mesa_vp->Base.Instructions[mesa_vp->Base.NumInstructions-1]; + + assert(vpi->Opcode == OPCODE_END); + + mesa_vp->Base.InputsRead |= (1 << VERT_ATTRIB_POS); + mesa_vp->Base.OutputsWritten |= (1 << VERT_RESULT_HPOS); + + //fprintf(stderr, "IsPositionInvariant is set!\n"); + //_mesa_print_program(&mesa_vp->Base); + } vp->pos_end=0; /* Not supported yet */ vp->program.length=0; @@ -376,7 +480,7 @@ void translate_vertex_shader(struct r300_vertex_program *vp) for(i=0; i < VERT_RESULT_MAX; i++) vp->outputs[i] = -1; - //assert(mesa_vp->Base.OutputsWritten & (1 << VERT_RESULT_HPOS)); + assert(mesa_vp->Base.OutputsWritten & (1 << VERT_RESULT_HPOS)); /* Assign outputs */ if(mesa_vp->Base.OutputsWritten & (1 << VERT_RESULT_HPOS)) @@ -492,17 +596,23 @@ void translate_vertex_shader(struct r300_vertex_program *vp) goto next; case OPCODE_ADD: +#if 1 hw_op=(src[0].File == PROGRAM_TEMPORARY && src[1].File == PROGRAM_TEMPORARY) ? R300_VPI_OUT_OP_MAD_2 : R300_VPI_OUT_OP_MAD; o_inst->op=MAKE_VSF_OP(hw_op, t_dst_index(vp, &vpi->DstReg), t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File)); - o_inst->src1=t_src(vp, &src[0]); - o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), - SWIZZLE_ONE, SWIZZLE_ONE, - SWIZZLE_ONE, SWIZZLE_ONE, - t_src_class(src[0].File), VSF_FLAG_NONE); + o_inst->src1=ONE_SRC_0; + o_inst->src2=t_src(vp, &src[0]); o_inst->src3=t_src(vp, &src[1]); +#else + o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File)); + o_inst->src1=t_src(vp, &src[0]); + o_inst->src2=t_src(vp, &src[1]); + o_inst->src3=ZERO_SRC_1; + +#endif goto next; case OPCODE_MAD: |