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gallivm: Get the format translation logic write.

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This commit is contained in:
José Fonseca
2010-04-07 22:17:07 +01:00
parent 2c06fa4682
commit 40bac07f9b
1 changed files with 19 additions and 5 deletions
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24
src/gallium/auxiliary/gallivm/lp_bld_format_soa.c
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@@ -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