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authorVadim Girlin <[email protected]>2012-12-18 17:39:19 +0400
committerVadim Girlin <[email protected]>2012-12-18 17:40:57 +0400
commit8cf552b1823e6c0ea8ce0465937920b4cab83465 (patch)
treef23f9db5e46713de9f563ee820bfe6acdf63619a /src/gallium/drivers/radeonsi
parent3b89fcbe548091d6b6fbb68a4d426956d96b2351 (diff)
radeon/llvm: improve cube map handling
Add support for TEX2, TXB2, TXL2, fix SHADOWCUBE Signed-off-by: Vadim Girlin <[email protected]> Reviewed-by: Michel Dänzer <[email protected]> Tested-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
-rw-r--r--src/gallium/drivers/radeonsi/radeonsi_shader.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index a452d4bbe9b..5dab46e4d6d 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -813,11 +813,21 @@ static void tex_fetch_args(
emit_data->args[1] = lp_build_emit_fetch(bld_base, emit_data->inst,
0, LP_CHAN_ALL);
+ if (inst->Instruction.Opcode == TGSI_OPCODE_TEX2 ||
+ inst->Instruction.Opcode == TGSI_OPCODE_TXB2 ||
+ inst->Instruction.Opcode == TGSI_OPCODE_TXL2) {
+ /* These instructions have additional operand that should be packed
+ * into the cube coord vector by radeon_llvm_emit_prepare_cube_coords.
+ * That operand should be passed as a float value in the args array
+ * right after the coord vector. After packing it's not used anymore,
+ * that's why arg_count is not increased */
+ emit_data->args[2] = lp_build_emit_fetch(bld_base, inst, 1, 0);
+ }
+
if ((inst->Texture.Texture == TGSI_TEXTURE_CUBE ||
inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE) &&
inst->Instruction.Opcode != TGSI_OPCODE_TXQ) {
- radeon_llvm_emit_prepare_cube_coords(bld_base, &emit_data->args[1],
- inst->Texture.Texture);
+ radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, 1);
}
/* Resource */