diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 840b3790f04..f404273243f 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -492,18 +492,28 @@ static void declare_input_vs( break; case SI_FIX_FETCH_RGBA_32_SNORM: case SI_FIX_FETCH_RGBX_32_SNORM: + case SI_FIX_FETCH_RGBA_32_FIXED: + case SI_FIX_FETCH_RGBX_32_FIXED: { + double scale; + if (fix_fetch >= SI_FIX_FETCH_RGBA_32_FIXED) + scale = 1.0 / 0x10000; + else + scale = 1.0 / INT_MAX; + for (chan = 0; chan < 4; chan++) { out[chan] = LLVMBuildBitCast(gallivm->builder, out[chan], ctx->i32, ""); out[chan] = LLVMBuildSIToFP(gallivm->builder, out[chan], ctx->f32, ""); out[chan] = LLVMBuildFMul(gallivm->builder, out[chan], - LLVMConstReal(ctx->f32, 1.0 / INT_MAX), ""); + LLVMConstReal(ctx->f32, scale), ""); } /* RGBX SINT returns 1 in alpha, which would be rounded to 0 by normalizing. */ - if (fix_fetch == SI_FIX_FETCH_RGBX_32_SNORM) + if (fix_fetch == SI_FIX_FETCH_RGBX_32_SNORM || + fix_fetch == SI_FIX_FETCH_RGBX_32_FIXED) out[3] = LLVMConstReal(ctx->f32, 1); break; + } case SI_FIX_FETCH_RGBA_32_USCALED: for (chan = 0; chan < 4; chan++) { out[chan] = LLVMBuildBitCast(gallivm->builder, out[chan], |