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draw: Fix breakage due to removal pipe_viewport_state::translate[3] and scale[3].

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Unfortunately no LLVM type was generated for pipe_viewport_state -- it
was being treated as a single floating point array --, so llvmpipe (and
any driver that relies on draw/llvm) got totally busted.
This commit is contained in:
José Fonseca 2014-11-16 11:30:19 +00:00
parent d2dbeed006
commit 2a3e140ff4
1 changed files with 6 additions and 2 deletions
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8
src/gallium/auxiliary/draw/draw_llvm.c
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@ -1082,6 +1082,10 @@ generate_viewport(struct draw_llvm_variant *variant,
LLVMValueRef const1 = lp_build_const_vec(gallivm, f32_type, 1.0); /*1.0 1.0 1.0 1.0*/
LLVMValueRef vp_ptr = draw_jit_context_viewport(gallivm, context_ptr);
/* We treat pipe_viewport_state as a float array */
const int scale_index_offset = offsetof(struct pipe_viewport_state, scale) / sizeof(float);
const int trans_index_offset = offsetof(struct pipe_viewport_state, translate) / sizeof(float);
/* for 1/w convention*/
out3 = LLVMBuildFDiv(builder, const1, out3, "");
LLVMBuildStore(builder, out3, outputs[pos][3]);
@ -1095,10 +1099,10 @@ generate_viewport(struct draw_llvm_variant *variant,
LLVMValueRef trans_i;
LLVMValueRef index;
index = lp_build_const_int32(gallivm, i);
index = lp_build_const_int32(gallivm, i + scale_index_offset);
scale_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, "");
index = lp_build_const_int32(gallivm, i+4);
index = lp_build_const_int32(gallivm, i + trans_index_offset);
trans_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, "");
scale = lp_build_broadcast(gallivm, vs_type_llvm,