diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/a3xx/fd3_compiler.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_compiler.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c b/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c index 5e94a6f397a..760fb7de2ed 100644 --- a/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c +++ b/src/gallium/drivers/freedreno/a3xx/fd3_compiler.c @@ -153,7 +153,7 @@ static unsigned compile_init(struct fd3_compile_context *ctx, struct fd3_shader_stateobj *so, const struct tgsi_token *tokens) { - unsigned ret; + unsigned ret, base = 0; ctx->tokens = tokens; ctx->ir = so->ir; @@ -175,11 +175,17 @@ compile_init(struct fd3_compile_context *ctx, struct fd3_shader_stateobj *so, ctx->base_reg[TGSI_FILE_IMMEDIATE] = ctx->info.file_max[TGSI_FILE_CONSTANT] + 1; + /* if full precision and fragment shader, don't clobber + * r0.x w/ bary fetch: + */ + if ((so->type == SHADER_FRAGMENT) && !so->half_precision) + base = 1; + /* Temporaries after outputs after inputs: */ - ctx->base_reg[TGSI_FILE_INPUT] = 0; - ctx->base_reg[TGSI_FILE_OUTPUT] = + ctx->base_reg[TGSI_FILE_INPUT] = base; + ctx->base_reg[TGSI_FILE_OUTPUT] = base + ctx->info.file_max[TGSI_FILE_INPUT] + 1; - ctx->base_reg[TGSI_FILE_TEMPORARY] = + ctx->base_reg[TGSI_FILE_TEMPORARY] = base + ctx->info.file_max[TGSI_FILE_INPUT] + 1 + ctx->info.file_max[TGSI_FILE_OUTPUT] + 1; |