diff options
| author | nobled <nobled@dreamwidth.org> | 2010-08-06 17:32:29 +0000 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-08-10 10:24:26 +0100 |
| commit | e9f3994b16beabb5892abdc4b359a093cbde7f79 (patch) | |
| tree | 23ce594fca1aa5e2fe7007f3a2528e4be71c12dd /src/gallium/drivers/llvmpipe/lp_bld_interp.c | |
| parent | e165453f84517b08afc2e2bf684546e9e24f3f30 (diff) | |
llvmpipe: Always use floating-point operators for floating-point types
See:
http://bugs.freedesktop.org/29404
http://bugs.freedesktop.org/29407
Signed-off-by: José Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_interp.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_interp.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_interp.c b/src/gallium/drivers/llvmpipe/lp_bld_interp.c index 78744da500b..2cf6f38c4b8 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_interp.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_interp.c @@ -141,7 +141,7 @@ coeffs_init(struct lp_build_interp_soa_context *bld, else { dadx = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dadx_ptr, &index, 1, ""), ""); dady = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dady_ptr, &index, 1, ""), ""); - dadxy = LLVMBuildAdd(builder, dadx, dady, ""); + dadxy = LLVMBuildFAdd(builder, dadx, dady, ""); attrib_name(dadx, attrib, chan, ".dadx"); attrib_name(dady, attrib, chan, ".dady"); attrib_name(dadxy, attrib, chan, ".dadxy"); @@ -177,7 +177,7 @@ coeffs_init(struct lp_build_interp_soa_context *bld, * dadq2 = 2 * dq */ - dadq2 = LLVMBuildAdd(builder, dadq, dadq, ""); + dadq2 = LLVMBuildFAdd(builder, dadq, dadq, ""); /* * a = a0 + x * dadx + y * dady @@ -193,12 +193,11 @@ coeffs_init(struct lp_build_interp_soa_context *bld, a = a0; if (interp != LP_INTERP_CONSTANT && interp != LP_INTERP_FACING) { - a = LLVMBuildAdd(builder, a, - LLVMBuildMul(builder, bld->x, dadx, ""), - ""); - a = LLVMBuildAdd(builder, a, - LLVMBuildMul(builder, bld->y, dady, ""), - ""); + LLVMValueRef tmp; + tmp = LLVMBuildFMul(builder, bld->x, dadx, ""); + a = LLVMBuildFAdd(builder, a, tmp, ""); + tmp = LLVMBuildFMul(builder, bld->y, dady, ""); + a = LLVMBuildFAdd(builder, a, tmp, ""); } } @@ -212,7 +211,7 @@ coeffs_init(struct lp_build_interp_soa_context *bld, * Compute the attrib values on the upper-left corner of each quad. */ - a = LLVMBuildAdd(builder, a, dadq2, ""); + a = LLVMBuildFAdd(builder, a, dadq2, ""); /* * a *= 1 / w |