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GL_ARB_enhanced_layouts, part 4: Numerical side of xfb_*: offset computation, size computation, alias detection, paddings, overflow, implicit strides, gl_Max* checks, etc.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25014 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich
2014-01-26 01:37:13 +00:00
parent f359199cc3
commit c7776ec3fd
13 changed files with 486 additions and 78 deletions
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77
Test/440.vert
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@@ -68,31 +68,94 @@ out bblck1 {
} bbinst1;
out bblck2 {
layout(xfb_offset=16) vec4 bbv;
layout(xfb_offset=64) vec4 bbv;
} bbinst2;
layout(xfb_buffer = 3, xfb_stride = 16) out;
layout(xfb_buffer = 3, xfb_stride = 64) out; // default buffer is 3
out bblck3 {
layout(xfb_offset=16) vec4 bbv;
layout(xfb_offset=16) vec4 bbv; // in xfb_buffer 3
} bbinst3;
uniform ubblck3 {
layout(xfb_offset=16) vec4 bbv; // ERROR
layout(xfb_offset=16) vec4 bbv; // ERROR, not in a uniform
} ubbinst3;
layout(xfb_buffer=2, xfb_offset=32, xfb_stride=64) out vec4 bg;
layout(xfb_buffer=2, xfb_offset=48, xfb_stride=80) out vec4 bg;
layout( xfb_offset=32, xfb_stride=64) out vec4 bh;
layout(xfb_offset=48) out; // ERROR
layout(xfb_stride=32, xfb_buffer=2, xfb_offset=16) out bblck4 {
layout(xfb_stride=80, xfb_buffer=2, xfb_offset=16) out bblck4 {
vec4 bbv1;
vec4 bbv2;
} bbinst4;
out bblck5 {
layout(xfb_offset=0) vec4 bbv1;
layout(xfb_stride=32, xfb_buffer=3, xfb_offset=16) vec4 bbv2;
layout(xfb_stride=64, xfb_buffer=3, xfb_offset=48) vec4 bbv2;
layout(xfb_buffer=2) vec4 bbv3; // ERROR, wrong buffer
} bbinst5;
out layout(xfb_buffer=2) bblck6 {
layout(xfb_offset=0) vec4 bbv1;
layout(xfb_stride=64, xfb_buffer=3, xfb_offset=32) vec4 bbv2; // ERROR, overlap 32 from bh, and buffer contradiction
layout(xfb_buffer=2, xfb_offset=0) vec4 bbv3; // ERROR, overlap 0 from bbinst5
layout(xfb_buffer=2) vec4 bbv5;
layout(xfb_offset=24) float bbf6; // ERROR, overlap 24 from bbv1 in bbinst4
} bbinst6;
layout(xfb_stride=48) out; // ERROR, stride of buffer 3
layout(xfb_buffer=1) out; // default buffer is 1
layout(xfb_offset=4) out float bj;
layout(xfb_offset=0) out ivec2 bk; // ERROR, overlap 4
layout(xfb_buffer=3, xfb_stride=48) out; // ERROR, stride of buffer 3 (default is now 3)
layout(xfb_stride=48) out float bl; // ERROR, stride of buffer 3
layout(xfb_stride=48) out bblck7 { // ERROR, stride of buffer 3
layout(xfb_stride=64) vec4 bbv1;
layout(xfb_stride=32) vec4 bbv2; // ERROR, stride of buffer 3
} bbinst7;
struct S5 {
int i; // 4 bytes plus 4 byte hole
double d; // 8 bytes
float f; // 4 bytes
}; // total size = 20
struct T {
bool b; // 4 plus 4 byte hole
S5 s; // 20
vec2 v2; // 8
}; // total size = 36
out layout(xfb_buffer=0, xfb_offset=0, xfb_stride=92) bblck8 { // ERROR, stride not multiple of 8
bool b; // offset 0
T t; // offset 8, size 40
int i; // offset 40 + 4 = 48
mat3x3 m3; // offset 52
float f; // offset 52 + 9*4 = 88
float g; // ERROR, overflow stride
} bbinst8;
out layout(xfb_buffer=4) bblck9 {
layout(xfb_offset=1) bool b; // ERROR
layout(xfb_offset=12) T t; // ERROR
layout(xfb_offset=52) mat3x3 m3; // non-multiple of 8 okay
layout(xfb_offset=90) int i; // ERROR
layout(xfb_offset=98) double d; // ERROR
layout(xfb_offset=108) S s; // non-multiple of 8 okay
} bbinst9;
layout(xfb_buffer=5, xfb_stride=6) out; // link ERROR, stride not multiple of 4
layout(xfb_offset=0) out float bm;
layout(xfb_buffer=6, xfb_stride=2000) out; // ERROR, stride too big
out layout(xfb_buffer=7, xfb_offset=0) bblck10 { // link ERROR, implicit stride too big
dmat4x4 m1;
dmat4x4 m2;
float f;
} bbinst10;