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radeonsi: Handle TGSI_OPCODE_TXD

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One more little piglit.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
This commit is contained in:
Michel Dänzer 2013-02-21 16:10:55 +01:00 • committed by Michel Dänzer
parent b042aae70d
commit a6b83c0f23
1 changed files with 25 additions and 2 deletions
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27
src/gallium/drivers/radeonsi/radeonsi_shader.c
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@ -875,6 +875,7 @@ static void tex_fetch_args(
const struct tgsi_full_instruction * inst = emit_data->inst;
unsigned opcode = inst->Instruction.Opcode;
unsigned target = inst->Texture.Texture;
unsigned sampler_src;
LLVMValueRef coords[4];
LLVMValueRef address[16];
int ref_pos;
@ -920,6 +921,15 @@ static void tex_fetch_args(
address[count++] = lp_build_emit_fetch(bld_base, inst, 1, 0);
}
/* Pack user derivatives */
if (opcode == TGSI_OPCODE_TXD) {
for (chan = 0; chan < 2; chan++) {
address[count++] = lp_build_emit_fetch(bld_base, inst, 1, chan);
if (num_coords > 1)
address[count++] = lp_build_emit_fetch(bld_base, inst, 2, chan);
}
}
/* Pack texture coordinates */
address[count++] = coords[0];
if (num_coords > 1)
@ -961,8 +971,10 @@ static void tex_fetch_args(
"");
}
sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1;
/* Resource */
emit_data->args[1] = si_shader_ctx->resources[emit_data->inst->Src[1].Register.Index];
emit_data->args[1] = si_shader_ctx->resources[emit_data->inst->Src[sampler_src].Register.Index];
if (opcode == TGSI_OPCODE_TXF) {
/* add tex offsets */
@ -993,7 +1005,7 @@ static void tex_fetch_args(
emit_data->arg_count = 3;
} else {
/* Sampler */
emit_data->args[2] = si_shader_ctx->samplers[emit_data->inst->Src[1].Register.Index];
emit_data->args[2] = si_shader_ctx->samplers[emit_data->inst->Src[sampler_src].Register.Index];
emit_data->dst_type = LLVMVectorType(
LLVMFloatTypeInContext(bld_base->base.gallivm->context),
@ -1065,6 +1077,14 @@ static const struct lp_build_tgsi_action txb_action = {
.intr_name = "llvm.SI.sampleb."
};
#if HAVE_LLVM >= 0x0304
static const struct lp_build_tgsi_action txd_action = {
.fetch_args = tex_fetch_args,
.emit = build_tex_intrinsic,
.intr_name = "llvm.SI.sampled."
};
#endif
static const struct lp_build_tgsi_action txf_action = {
.fetch_args = tex_fetch_args,
.emit = build_tex_intrinsic,
@ -1321,6 +1341,9 @@ int si_pipe_shader_create(
bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action;
bld_base->op_actions[TGSI_OPCODE_TXB] = txb_action;
#if HAVE_LLVM >= 0x0304
bld_base->op_actions[TGSI_OPCODE_TXD] = txd_action;
#endif
bld_base->op_actions[TGSI_OPCODE_TXF] = txf_action;
bld_base->op_actions[TGSI_OPCODE_TXL] = txl_action;
bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action;