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authorChris Forbes <[email protected]>2014-08-03 21:23:31 +1200
committerChris Forbes <[email protected]>2014-08-09 13:12:23 +1200
commitba5f7a361a14612dd39a8aeb6332f9db3205d675 (patch)
tree1c5954d66261fe0ab6802e600d86fcca47f0f4b8 /src
parent191bc64f824beae1df9c82a9931a7776eda16e36 (diff)
i965/fs/Gen4-7: Pass sampler_index to generate_tex
Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.h3
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_generator.cpp18
2 files changed, 14 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 47aebad2229..f3ce4e0cb54 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -594,7 +594,8 @@ private:
void generate_pixel_xy(struct brw_reg dst, bool is_x);
void generate_linterp(fs_inst *inst, struct brw_reg dst,
struct brw_reg *src);
- void generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src);
+ void generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src,
+ struct brw_reg sampler_index);
void generate_math_gen6(fs_inst *inst,
struct brw_reg dst,
struct brw_reg src0,
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index ac2f1b44f2c..cec2e826e17 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -368,7 +368,8 @@ fs_generator::generate_math_g45(fs_inst *inst,
}
void
-fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src)
+fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src,
+ struct brw_reg sampler_index)
{
int msg_type = -1;
int rlen = 4;
@@ -536,6 +537,11 @@ fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src
src.nr++;
}
+ assert(sampler_index.file == BRW_IMMEDIATE_VALUE);
+ assert(sampler_index.type == BRW_REGISTER_TYPE_UD);
+
+ uint32_t sampler = sampler_index.dw1.ud;
+
/* Load the message header if present. If there's a texture offset,
* we need to set it up explicitly and load the offset bitfield.
* Otherwise, we can use an implied move from g0 to the first message reg.
@@ -566,7 +572,7 @@ fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src
brw_imm_ud(inst->texture_offset));
}
- if (inst->sampler >= 16) {
+ if (sampler >= 16) {
/* The "Sampler Index" field can only store values between 0 and 15.
* However, we can add an offset to the "Sampler State Pointer"
* field, effectively selecting a different set of 16 samplers.
@@ -580,7 +586,7 @@ fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src
brw_ADD(p,
get_element_ud(header_reg, 3),
get_element_ud(brw_vec8_grf(0, 0), 3),
- brw_imm_ud(16 * (inst->sampler / 16) * sampler_state_size));
+ brw_imm_ud(16 * (sampler / 16) * sampler_state_size));
}
brw_pop_insn_state(p);
}
@@ -589,14 +595,14 @@ fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src
uint32_t surface_index = ((inst->opcode == SHADER_OPCODE_TG4 ||
inst->opcode == SHADER_OPCODE_TG4_OFFSET)
? prog_data->base.binding_table.gather_texture_start
- : prog_data->base.binding_table.texture_start) + inst->sampler;
+ : prog_data->base.binding_table.texture_start) + sampler;
brw_SAMPLE(p,
retype(dst, BRW_REGISTER_TYPE_UW),
inst->base_mrf,
src,
surface_index,
- inst->sampler % 16,
+ sampler % 16,
msg_type,
rlen,
inst->mlen,
@@ -1645,7 +1651,7 @@ fs_generator::generate_code(exec_list *instructions)
case SHADER_OPCODE_LOD:
case SHADER_OPCODE_TG4:
case SHADER_OPCODE_TG4_OFFSET:
- generate_tex(inst, dst, src[0]);
+ generate_tex(inst, dst, src[0], src[1]);
break;
case FS_OPCODE_DDX:
generate_ddx(inst, dst, src[0]);