diff options
author | Zack Rusin <zackr@vmware.com> | 2010-04-06 00:13:20 -0400 |
---|---|---|
committer | Zack Rusin <zackr@vmware.com> | 2010-04-06 00:13:20 -0400 |
commit | 9dd70e7b85ddbc73bd976c4dab81476aa36c557e (patch) | |
tree | 6fa7b12033f424c346d4db26eec1b7ad9a201d29 /src/gallium/auxiliary/draw/draw_llvm.c | |
parent | 1b0bab167cd541f70c32249ca3e70da88b8c93c5 (diff) |
draw llvm: fix loop iteration and vertex header offsets
the loop was doing a NE comparison which we could have skipped if the prim
was triangles (3 verts) and our step was 4 verts. also fix offsets in conversion
to aos.
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 44 |
1 files changed, 30 insertions, 14 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 382f765e16..27df59653c 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -17,6 +17,8 @@ #include <llvm-c/Transforms/Scalar.h> +#define DEBUG_STORE 0 + static void init_globals(struct draw_llvm *llvm) { @@ -235,7 +237,7 @@ generate_vs(struct draw_llvm *llvm, NULL/*sampler*/); } - +#if DEBUG_STORE static void print_vectorf(LLVMBuilderRef builder, LLVMValueRef vec) { @@ -251,6 +253,7 @@ static void print_vectorf(LLVMBuilderRef builder, lp_build_printf(builder, "vector = [%f, %f, %f, %f]\n", val[0], val[1], val[2], val[3]); } +#endif static void generate_fetch(LLVMBuilderRef builder, @@ -404,6 +407,9 @@ store_aos(LLVMBuilderRef builder, LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(), 0xffff, 0), id_ptr); +#if DEBUG_STORE + lp_build_printf(builder, " ---- %p storing at %d (%p)\n", io_ptr, index, data_ptr); +#endif #if 0 /*lp_build_printf(builder, " ---- %p storing at %d (%p) ", io_ptr, index, data_ptr); print_vectorf(builder, value);*/ @@ -458,16 +464,10 @@ store_aos_array(LLVMBuilderRef builder, int num_outputs) { LLVMValueRef attr_index = LLVMConstInt(LLVMInt32Type(), attrib, 0); - LLVMValueRef ind0 = start_index; - LLVMValueRef ind1 = - LLVMBuildAdd(builder, start_index, - LLVMConstInt(LLVMInt32Type(), 1, 0), ""); - LLVMValueRef ind2 = - LLVMBuildAdd(builder, start_index, - LLVMConstInt(LLVMInt32Type(), 2, 0), ""); - LLVMValueRef ind3 = - LLVMBuildAdd(builder, start_index, - LLVMConstInt(LLVMInt32Type(), 3, 0), ""); + LLVMValueRef ind0 = LLVMConstInt(LLVMInt32Type(), 0, 0); + LLVMValueRef ind1 = LLVMConstInt(LLVMInt32Type(), 1, 0); + LLVMValueRef ind2 = LLVMConstInt(LLVMInt32Type(), 2, 0); + LLVMValueRef ind3 = LLVMConstInt(LLVMInt32Type(), 3, 0); LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr; debug_assert(NUM_CHANNELS == 4); @@ -481,7 +481,10 @@ store_aos_array(LLVMBuilderRef builder, io3_ptr = LLVMBuildGEP(builder, io_ptr, &ind3, 1, ""); - /*lp_build_printf(builder, "io = %d\n", start_index);*/ +#if DEBUG_STORE + lp_build_printf(builder, "io = %d, indexes[%d, %d, %d, %d]\n", + start_index, ind0, ind1, ind2, ind3); +#endif store_aos(builder, io0_ptr, attr_index, aos[0]); store_aos(builder, io1_ptr, attr_index, aos[1]); @@ -499,6 +502,9 @@ convert_to_aos(LLVMBuilderRef builder, { unsigned chan, attrib; +#if DEBUG_STORE + lp_build_printf(builder, " # storing begin\n"); +#endif for (attrib = 0; attrib < num_outputs; ++attrib) { LLVMValueRef soa[4]; LLVMValueRef aos[4]; @@ -522,6 +528,9 @@ convert_to_aos(LLVMBuilderRef builder, attrib, num_outputs); } +#if DEBUG_STORE + lp_build_printf(builder, " # storing end\n"); +#endif } void @@ -586,13 +595,20 @@ draw_llvm_generate(struct draw_llvm *llvm) step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); +#if DEBUG_STORE + lp_build_printf(builder, "start = %d, end = %d, step = %d\n", + start, end, step); +#endif lp_build_loop_begin(builder, start, &lp_loop); { LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS]; LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS]; LLVMValueRef io = LLVMBuildGEP(builder, io_ptr, &lp_loop.counter, 1, ""); const LLVMValueRef (*ptr_aos)[NUM_CHANNELS]; - +#if DEBUG_STORE + lp_build_printf(builder, " --- loop counter %d\n", + lp_loop.counter); +#endif for (i = 0; i < NUM_CHANNELS; ++i) { LLVMValueRef true_index = LLVMBuildAdd( builder, @@ -620,7 +636,7 @@ draw_llvm_generate(struct draw_llvm *llvm) draw->vs.vertex_shader->info.num_outputs, max_vertices, lp_loop.counter); } - lp_build_loop_end(builder, end, step, &lp_loop); + lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop); LLVMBuildRetVoid(builder); |