KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

llvmpipe: use alloca for fs color outputs 

Don't try to emit our own phi's, let llvm mem2reg do it for us.
This commit is contained in:
Keith Whitwell 2010-10-07 18:59:54 +01:00
parent 8009886b00
commit 40d7be5261
1 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/gallium/drivers/llvmpipe/lp_state_fs.c
View File

@ -303,8 +303,7 @@ generate_fs(struct llvmpipe_context *lp,
/* Declare the color and z variables */
for(cbuf = 0; cbuf < key->nr_cbufs; cbuf++) {
for(chan = 0; chan < NUM_CHANNELS; ++chan) {
color[cbuf][chan] = LLVMGetUndef(vec_type);
lp_build_flow_scope_declare(flow, &color[cbuf][chan]);
color[cbuf][chan] = lp_build_alloca(builder, vec_type, "color");
}
}
@ -369,7 +368,7 @@ generate_fs(struct llvmpipe_context *lp,
&mask, alpha, alpha_ref_value);
}
color[cbuf][chan] = out;
LLVMBuildStore(builder, out, color[cbuf][chan]);
break;
}
@ -665,9 +664,18 @@ generate_fragment(struct llvmpipe_context *lp,
* Convert the fs's output color and mask to fit to the blending type.
*/
for(chan = 0; chan < NUM_CHANNELS; ++chan) {
LLVMValueRef fs_color_vals[LP_MAX_VECTOR_LENGTH];
for (i = 0; i < num_fs; i++) {
fs_color_vals[i] =
LLVMBuildLoad(builder, fs_out_color[cbuf][chan][i], "fs_color_vals");
}
lp_build_conv(builder, fs_type, blend_type,
fs_out_color[cbuf][chan], num_fs,
fs_color_vals,
num_fs,
&blend_in_color[chan], 1);
lp_build_name(blend_in_color[chan], "color%d.%c", cbuf, "rgba"[chan]);
}