Mesa (master): gallivm: Get the format translation logic write.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Wed Apr 7 21:19:44 UTC 2010
Module: Mesa
Branch: master
Commit: 40bac07f9b5182890719151c99e9d9035e7984e7
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=40bac07f9b5182890719151c99e9d9035e7984e7
Author: José Fonseca <jfonseca at vmware.com>
Date: Wed Apr 7 22:17:07 2010 +0100
gallivm: Get the format translation logic write.
---
src/gallium/auxiliary/gallivm/lp_bld_format_soa.c | 24 ++++++++++++++++----
1 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c
index 433134b..459a6bf 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_format_soa.c
@@ -113,7 +113,7 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
unsigned start;
unsigned chan;
- /* FIXME: Support more pixel formats */
+ assert(format_desc->layout == UTIL_FORMAT_LAYOUT_PLAIN);
assert(format_desc->block.width == 1);
assert(format_desc->block.height == 1);
assert(format_desc->block.bits <= type.width);
@@ -227,8 +227,17 @@ lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
break;
case UTIL_FORMAT_TYPE_FIXED:
- assert(0);
- input = lp_build_undef(type);
+ if (type.floating) {
+ double scale = 1.0 / ((1 << (format_desc->channel[chan].size/2)) - 1);
+ LLVMValueRef scale_val = lp_build_const_vec(type, scale);
+ input = LLVMBuildSIToFP(builder, input, lp_build_vec_type(type), "");
+ input = LLVMBuildMul(builder, input, scale_val, "");
+ }
+ else {
+ /* FIXME */
+ assert(0);
+ input = lp_build_undef(type);
+ }
break;
default:
@@ -262,9 +271,14 @@ lp_build_fetch_rgba_soa(LLVMBuilderRef builder,
LLVMValueRef *rgba)
{
- if (format_desc->block.width == 1 &&
+ if (format_desc->layout == UTIL_FORMAT_LAYOUT_PLAIN &&
+ (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB ||
+ format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) &&
+ format_desc->block.width == 1 &&
format_desc->block.height == 1 &&
- format_desc->block.bits <= type.width)
+ format_desc->block.bits <= type.width &&
+ (format_desc->channel[0].type != UTIL_FORMAT_TYPE_FLOAT ||
+ format_desc->channel[0].size == 32))
{
/*
* The packed pixel fits into an element of the destination format. Put
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