diff options
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 75 |
1 files changed, 23 insertions, 52 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index c3bcb9b77d3..8b9bb47a2ed 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1111,7 +1111,6 @@ static int allocate_system_value_inputs(struct r600_shader_ctx *ctx, int gpr_off if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) { location = TGSI_INTERPOLATE_LOC_CENTER; - inputs[1].enabled = true; /* needs SAMPLEID */ } else if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET) { location = TGSI_INTERPOLATE_LOC_CENTER; /* Needs sample positions, currently those are always available */ @@ -1139,6 +1138,19 @@ static int allocate_system_value_inputs(struct r600_shader_ctx *ctx, int gpr_off tgsi_parse_free(&parse); + if (ctx->bc->chip_class >= EVERGREEN) { + int num_baryc = 0; + /* assign gpr to each interpolator according to priority */ + for (i = 0; i < ARRAY_SIZE(ctx->eg_interpolators); i++) { + if (ctx->eg_interpolators[i].enabled) { + ctx->eg_interpolators[i].ij_index = num_baryc; + num_baryc++; + } + } + num_baryc = (num_baryc + 1) >> 1; + gpr_offset += num_baryc; + } + for (i = 0; i < ARRAY_SIZE(inputs); i++) { boolean enabled = inputs[i].enabled; int *reg = inputs[i].reg; @@ -1165,18 +1177,21 @@ static int allocate_system_value_inputs(struct r600_shader_ctx *ctx, int gpr_off * for evergreen we need to scan the shader to find the number of GPRs we need to * reserve for interpolation and system values * - * we need to know if we are going to emit - * any sample or centroid inputs + * we need to know if we are going to emit any sample or centroid inputs * if perspective and linear are required */ static int evergreen_gpr_count(struct r600_shader_ctx *ctx) { unsigned i; - int num_baryc; - struct tgsi_parse_context parse; memset(&ctx->eg_interpolators, 0, sizeof(ctx->eg_interpolators)); + /* + * Could get this information from the shader info. But right now + * we interpolate all declared inputs, whereas the shader info will + * only contain the bits if the inputs are actually used, so it might + * not be safe... + */ for (i = 0; i < ctx->info.num_inputs; i++) { int k; /* skip position/face/mask/sampleid */ @@ -1193,53 +1208,9 @@ static int evergreen_gpr_count(struct r600_shader_ctx *ctx) ctx->eg_interpolators[k].enabled = TRUE; } - if (tgsi_parse_init(&parse, ctx->tokens) != TGSI_PARSE_OK) { - return 0; - } - - /* need to scan shader for system values and interpolateAtSample/Offset/Centroid */ - while (!tgsi_parse_end_of_tokens(&parse)) { - tgsi_parse_token(&parse); - - if (parse.FullToken.Token.Type == TGSI_TOKEN_TYPE_INSTRUCTION) { - const struct tgsi_full_instruction *inst = &parse.FullToken.FullInstruction; - if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE || - inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET || - inst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID) - { - int interpolate, location, k; - - if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) { - location = TGSI_INTERPOLATE_LOC_CENTER; - } else if (inst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET) { - location = TGSI_INTERPOLATE_LOC_CENTER; - } else { - location = TGSI_INTERPOLATE_LOC_CENTROID; - } - - interpolate = ctx->info.input_interpolate[inst->Src[0].Register.Index]; - k = eg_get_interpolator_index(interpolate, location); - if (k >= 0) - ctx->eg_interpolators[k].enabled = true; - } - } - } - - tgsi_parse_free(&parse); - - /* assign gpr to each interpolator according to priority */ - num_baryc = 0; - for (i = 0; i < ARRAY_SIZE(ctx->eg_interpolators); i++) { - if (ctx->eg_interpolators[i].enabled) { - ctx->eg_interpolators[i].ij_index = num_baryc; - num_baryc ++; - } - } - /* XXX PULL MODEL and LINE STIPPLE */ - num_baryc = (num_baryc + 1) >> 1; - return allocate_system_value_inputs(ctx, num_baryc); + return allocate_system_value_inputs(ctx, 0); } /* sample_id_sel == NULL means fetch for current sample */ @@ -1248,8 +1219,6 @@ static int load_sample_position(struct r600_shader_ctx *ctx, struct r600_shader_ struct r600_bytecode_vtx vtx; int r, t1; - assert(ctx->fixed_pt_position_gpr != -1); - t1 = r600_get_temp(ctx); memset(&vtx, 0, sizeof(struct r600_bytecode_vtx)); @@ -1257,6 +1226,8 @@ static int load_sample_position(struct r600_shader_ctx *ctx, struct r600_shader_ vtx.buffer_id = R600_BUFFER_INFO_CONST_BUFFER; vtx.fetch_type = SQ_VTX_FETCH_NO_INDEX_OFFSET; if (sample_id == NULL) { + assert(ctx->fixed_pt_position_gpr != -1); + vtx.src_gpr = ctx->fixed_pt_position_gpr; // SAMPLEID is in .w; vtx.src_sel_x = 3; } |