diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index bb54e38a63c..f0d3be405d2 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -4743,6 +4743,26 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) /* the array index is read from Z */ tex.coord_type_z = 0; + /* mask unused source components */ + if (opcode == FETCH_OP_SAMPLE) { + switch (inst->Texture.Texture) { + case TGSI_TEXTURE_2D: + case TGSI_TEXTURE_RECT: + tex.src_sel_z = 7; + tex.src_sel_w = 7; + break; + case TGSI_TEXTURE_1D_ARRAY: + tex.src_sel_y = 7; + tex.src_sel_w = 7; + break; + case TGSI_TEXTURE_1D: + tex.src_sel_y = 7; + tex.src_sel_z = 7; + tex.src_sel_w = 7; + break; + } + } + r = r600_bytecode_add_tex(ctx->bc, &tex); if (r) return r; |