diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 7f7f7453732..32aaf15b7f5 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -299,6 +299,32 @@ static int evergreen_interp_alu(struct r600_shader_ctx *ctx, int input) return 0; } +static int evergreen_interp_flat(struct r600_shader_ctx *ctx, int input) +{ + int i, r; + struct r600_bytecode_alu alu; + + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bytecode_alu)); + + alu.inst = EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INTERP_LOAD_P0; + + alu.dst.sel = ctx->shader->input[input].gpr; + alu.dst.write = 1; + + alu.dst.chan = i; + + alu.src[0].sel = V_SQ_ALU_SRC_PARAM_BASE + ctx->shader->input[input].lds_pos; + alu.src[0].chan = i; + + if (i == 3) + alu.last = 1; + r = r600_bytecode_add_alu(ctx->bc, &alu); + if (r) + return r; + } + return 0; +} static int tgsi_declaration(struct r600_shader_ctx *ctx) { @@ -316,10 +342,13 @@ static int tgsi_declaration(struct r600_shader_ctx *ctx) ctx->shader->input[i].gpr = ctx->file_offset[TGSI_FILE_INPUT] + i; if (ctx->type == TGSI_PROCESSOR_FRAGMENT && ctx->bc->chip_class >= EVERGREEN) { /* turn input into interpolate on EG */ - if (ctx->shader->input[i].name != TGSI_SEMANTIC_POSITION) { + if (ctx->shader->input[i].name != TGSI_SEMANTIC_POSITION && + ctx->shader->input[i].name != TGSI_SEMANTIC_FACE) { + ctx->shader->input[i].lds_pos = ctx->shader->nlds++; if (ctx->shader->input[i].interpolate > 0) { - ctx->shader->input[i].lds_pos = ctx->shader->nlds++; evergreen_interp_alu(ctx, i); + } else { + evergreen_interp_flat(ctx, i); } } } |