BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implement conservative depth layout qualifiers. Based partly on a submission.

Browse source 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27758 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-08-18 21:27:53 +00:00
parent d6c72a44ab
commit d1888f83f6
9 changed files with 124 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

26
glslang/Include/Types.h
View file

@ -305,6 +305,16 @@ enum TLayoutFormat {
ElfCount
};
enum TLayoutDepth {
EldNone,
EldAny,
EldGreater,
EldLess,
EldUnchanged,
EldCount
};
class TQualifier {
public:
void clear()
@ -645,6 +655,16 @@ public:
default: return "none";
}
}
static const char* getLayoutDepthString(TLayoutDepth d)
{
switch (d) {
case EldAny: return "depth_any";
case EldGreater: return "depth_greater";
case EldLess: return "depth_less";
case EldUnchanged: return "depth_unchanged";
default: return "none";
}
}
static const char* getGeometryString(TLayoutGeometry geometry)
{
switch (geometry) {
@ -703,6 +723,7 @@ struct TShaderQualifiers {
bool pointMode;
int localSize[3]; // compute shader
bool earlyFragmentTests; // fragment input
TLayoutDepth layoutDepth;
void init()
{
@ -718,6 +739,7 @@ struct TShaderQualifiers {
localSize[1] = 1;
localSize[2] = 1;
earlyFragmentTests = false;
layoutDepth = EldNone;
}
// Merge in characteristics from the 'src' qualifier. They can override when
@ -746,6 +768,8 @@ struct TShaderQualifiers {
}
if (src.earlyFragmentTests)
earlyFragmentTests = true;
if (src.layoutDepth)
layoutDepth = src.layoutDepth;
}
};
@ -1160,10 +1184,8 @@ public:
p += snprintf(p, end - p, "offset=%d ", qualifier.layoutOffset);
if (qualifier.hasAlign())
p += snprintf(p, end - p, "align=%d ", qualifier.layoutAlign);
if (qualifier.hasFormat())
p += snprintf(p, end - p, "%s ", TQualifier::getLayoutFormatString(qualifier.layoutFormat));
if (qualifier.hasXfbBuffer() && qualifier.hasXfbOffset())
p += snprintf(p, end - p, "xfb_buffer=%d ", qualifier.layoutXfbBuffer);
if (qualifier.hasXfbOffset())