diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_tgsi_to_rc.c | 61 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_tgsi_to_rc.h | 7 |
2 files changed, 60 insertions, 8 deletions
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.c b/src/gallium/drivers/r300/r300_tgsi_to_rc.c index a792c2cf98..6b2bc78799 100644 --- a/src/gallium/drivers/r300/r300_tgsi_to_rc.c +++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.c @@ -201,6 +201,8 @@ static void transform_srcreg( struct rc_src_register * dst, struct tgsi_full_src_register * src) { + unsigned i, j; + dst->File = translate_register_file(src->Register.File); dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index); dst->RelAddr = src->Register.Indirect; @@ -210,6 +212,21 @@ static void transform_srcreg( dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 3) << 9; dst->Abs = src->Register.Absolute; dst->Negate = src->Register.Negate ? RC_MASK_XYZW : 0; + + if (src->Register.File == TGSI_FILE_IMMEDIATE) { + for (i = 0; i < ttr->imms_to_swizzle_count; i++) { + if (ttr->imms_to_swizzle[i].index == src->Register.Index) { + dst->File = RC_FILE_TEMPORARY; + dst->Index = 0; + dst->Swizzle = 0; + for (j = 0; j < 4; j++) { + dst->Swizzle |= GET_SWZ(ttr->imms_to_swizzle[i].swizzle, + tgsi_util_get_full_src_register_swizzle(src, j)) << (j * 3); + } + break; + } + } + } } static void transform_texture(struct rc_instruction * dst, struct tgsi_instruction_texture src, @@ -277,21 +294,48 @@ static void transform_instruction(struct tgsi_to_rc * ttr, struct tgsi_full_inst &ttr->compiler->Program.ShadowSamplers); } -static void handle_immediate(struct tgsi_to_rc * ttr, struct tgsi_full_immediate * imm) +static void handle_immediate(struct tgsi_to_rc * ttr, + struct tgsi_full_immediate * imm, + unsigned index) { struct rc_constant constant; - int i; + unsigned swizzle = 0; + boolean can_swizzle = TRUE; + unsigned i; + + for (i = 0; i < 4; i++) { + if (imm->u[i].Float == 0.0f) { + swizzle |= RC_SWIZZLE_ZERO << (i * 3); + } else if (imm->u[i].Float == 0.5f) { + swizzle |= RC_SWIZZLE_HALF << (i * 3); + } else if (imm->u[i].Float == 1.0f) { + swizzle |= RC_SWIZZLE_ONE << (i * 3); + } else { + can_swizzle = FALSE; + break; + } + } + + if (can_swizzle) { + struct swizzled_imms* si = + &ttr->imms_to_swizzle[ttr->imms_to_swizzle_count]; - constant.Type = RC_CONSTANT_IMMEDIATE; - constant.Size = 4; - for(i = 0; i < 4; ++i) - constant.u.Immediate[i] = imm->u[i].Float; - rc_constants_add(&ttr->compiler->Program.Constants, &constant); + si->index = index; + si->swizzle = swizzle; + ttr->imms_to_swizzle_count++; + } else { + constant.Type = RC_CONSTANT_IMMEDIATE; + constant.Size = 4; + for(i = 0; i < 4; ++i) + constant.u.Immediate[i] = imm->u[i].Float; + rc_constants_add(&ttr->compiler->Program.Constants, &constant); + } } void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens) { struct tgsi_parse_context parser; + unsigned imm_index = 0; int i; /* Allocate constants placeholders. @@ -317,7 +361,8 @@ void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens) case TGSI_TOKEN_TYPE_DECLARATION: break; case TGSI_TOKEN_TYPE_IMMEDIATE: - handle_immediate(ttr, &parser.FullToken.FullImmediate); + handle_immediate(ttr, &parser.FullToken.FullImmediate, imm_index); + imm_index++; break; case TGSI_TOKEN_TYPE_INSTRUCTION: transform_instruction(ttr, &parser.FullToken.FullInstruction); diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.h b/src/gallium/drivers/r300/r300_tgsi_to_rc.h index 93e90ec6d2..f1e66f46bb 100644 --- a/src/gallium/drivers/r300/r300_tgsi_to_rc.h +++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.h @@ -29,11 +29,18 @@ struct tgsi_full_declaration; struct tgsi_shader_info; struct tgsi_token; +struct swizzled_imms { + unsigned index; + unsigned swizzle; +}; + struct tgsi_to_rc { struct radeon_compiler * compiler; const struct tgsi_shader_info * info; int immediate_offset; + struct swizzled_imms imms_to_swizzle[10]; + unsigned imms_to_swizzle_count; }; void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens); |