fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-07 04:58:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

llvmpipe: remove unused code, added comments, etc

Browse source
This commit is contained in:
Brian Paul 2009-12-17 10:52:50 -07:00
parent 808170a0ff
commit 5771f3d483
1 changed files with 19 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
src/gallium/drivers/llvmpipe/lp_state_fs.c
View file

@ -210,8 +210,6 @@ generate_tri_edge_mask(LLVMBuilderRef builder,
LLVMValueRef m0_vec, m1_vec, m2_vec;
LLVMValueRef m;
LLVMValueRef zeros;
assert(i < 4);
/* int32 vector type */
@ -224,18 +222,27 @@ generate_tri_edge_mask(LLVMBuilderRef builder,
i32vec4_type = lp_build_int32_vec4_type();
/* int32_vec4 zero = {0,0,0,0} */
zeros = LLVMConstNull(i32vec4_type);
/* c0_vec = {c0, c0, c0, c0}
* Note that we emit this code four times but LLVM optimizes away
* three instances of it.
*/
c0_vec = lp_build_broadcast(builder, i32vec4_type, c0);
c1_vec = lp_build_broadcast(builder, i32vec4_type, c1);
c2_vec = lp_build_broadcast(builder, i32vec4_type, c2);
lp_build_name(c0_vec, "edgeconst0vec");
lp_build_name(c1_vec, "edgeconst1vec");
lp_build_name(c2_vec, "edgeconst2vec");
index = LLVMConstInt(LLVMInt32Type(), i, 0);
step0_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step0_ptr, &index, 1, ""), "");
step1_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step1_ptr, &index, 1, ""), "");
step2_vec = LLVMBuildLoad(builder, LLVMBuildGEP(builder, step2_ptr, &index, 1, ""), "");
lp_build_name(step0_vec, "step0vec");
lp_build_name(step1_vec, "step1vec");
lp_build_name(step2_vec, "step2vec");
m0_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step0_vec, c0_vec);
m1_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step1_vec, c1_vec);
m2_vec = lp_build_compare(builder, i32_type, PIPE_FUNC_GREATER, step2_vec, c2_vec);
@ -243,7 +250,13 @@ generate_tri_edge_mask(LLVMBuilderRef builder,
m = LLVMBuildAnd(builder, m0_vec, m1_vec, "");
m = LLVMBuildAnd(builder, m, m2_vec, "");
lp_build_name(m, "inoutmaskvec");
*mask = m;
/*
* if mask = {0,0,0,0} skip quad
*/
}
@ -309,6 +322,7 @@ generate_fs(struct llvmpipe_context *lp,
generate_tri_edge_mask(builder, i, pmask,
c0, c1, c2, step0_ptr, step1_ptr, step2_ptr);
/* 'mask' will control execution based on quad's pixel alive/killed state */
lp_build_mask_begin(&mask, flow, type, *pmask);