Index: conformance/ogles/GL/mat/mat4_vert.vert |
=================================================================== |
--- conformance/ogles/GL/mat/mat4_vert.vert (revision 0) |
+++ conformance/ogles/GL/mat/mat4_vert.vert (working copy) |
@@ -0,0 +1,91 @@ |
+ |
+/* |
+** Copyright (c) 2012 The Khronos Group Inc. |
+** |
+** Permission is hereby granted, free of charge, to any person obtaining a |
+** copy of this software and/or associated documentation files (the |
+** "Materials"), to deal in the Materials without restriction, including |
+** without limitation the rights to use, copy, modify, merge, publish, |
+** distribute, sublicense, and/or sell copies of the Materials, and to |
+** permit persons to whom the Materials are furnished to do so, subject to |
+** the following conditions: |
+** |
+** The above copyright notice and this permission notice shall be included |
+** in all copies or substantial portions of the Materials. |
+** |
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
+*/ |
+ |
+ |
+attribute vec4 gtf_Vertex; |
+uniform mat4 gtf_ModelViewProjectionMatrix; |
+varying vec4 color; |
+ |
+#define ERROR_EPSILON 0.1 |
+ |
+void main (void) |
+{ |
+ float x; |
+ // Declare a 4 by 4 matrix with unique elements. |
+ mat4 a = mat4( 1.0, 2.0, 4.0, 8.0, // 1.0 16.0 256.0 4096.0 |
+ 16.0, 32.0, 64.0, 128.0, // 2.0 32.0 512.0 8192.0 |
+ 256.0, 512.0, 1024.0, 2048.0, // 4.0 64.0 1024.0 16384.0 |
+ 4096.0, 8192.0, 16384.0, 32768.0); // 8.0 128.0 2048.0 32768.0 |
+ |
+ // Check each element. |
+ bool elms = true; |
+ if(a[0][0] != 1.0) elms = false; |
+ if(a[0][1] != 2.0) elms = false; |
+ if(a[0][2] != 4.0) elms = false; |
+ if(a[0][3] != 8.0) elms = false; |
+ if(a[1][0] != 16.0) elms = false; |
+ if(a[1][1] != 32.0) elms = false; |
+ if(a[1][2] != 64.0) elms = false; |
+ if(a[1][3] != 128.0) elms = false; |
+ if(a[2][0] != 256.0) elms = false; |
+ if(a[2][1] != 512.0) elms = false; |
+ if(a[2][2] != 1024.0) elms = false; |
+ if(a[2][3] != 2048.0) elms = false; |
+ if(a[3][0] != 4096.0) elms = false; |
+ if(a[3][1] != 8192.0) elms = false; |
+ if(a[3][2] != 16384.0) elms = false; |
+ if(a[3][3] != 32768.0) elms = false; |
+ |
+ // Add up each row. |
+ bool rows = true; |
+ x = a[0][0] + a[1][0] + a[2][0] + a[3][0]; |
+ if(x < 4369.0-ERROR_EPSILON || x > 4369.0+ERROR_EPSILON) rows = false; |
+ x = a[0][1] + a[1][1] + a[2][1] + a[3][1]; |
+ if(x < 8738.0-ERROR_EPSILON || x > 8738.0+ERROR_EPSILON) rows = false; |
+ x = a[0][2] + a[1][2] + a[2][2] + a[3][2]; |
+ if(x < 17476.0-ERROR_EPSILON || x > 17476.0+ERROR_EPSILON) rows = false; |
+ x = a[0][3] + a[1][3] + a[2][3] + a[3][3]; |
+ if(x < 34952.0-ERROR_EPSILON || x > 34952.0+ERROR_EPSILON) rows = false; |
+ |
+ // Add up each column. |
+ bool cols = true; |
+ x = a[0][0] + a[0][1] + a[0][2] + a[0][3]; |
+ if(x < 15.0-ERROR_EPSILON || x > 15.0+ERROR_EPSILON) cols = false; |
+ x = a[1][0] + a[1][1] + a[1][2] + a[1][3]; |
+ if(x < 240.0-ERROR_EPSILON || x > 240.0+ERROR_EPSILON) cols = false; |
+ x = a[2][0] + a[2][1] + a[2][2] + a[2][3]; |
+ if(x < 3840.0-ERROR_EPSILON || x > 3840.0+ERROR_EPSILON) cols = false; |
+ x = a[3][0] + a[3][1] + a[3][2] + a[3][3]; |
+ if(x < 61440.0-ERROR_EPSILON || x > 61440.0+ERROR_EPSILON) cols = false; |
+ |
+ // Check if all of the operations were successful. |
+ float gray = elms && rows && cols ? 1.0 : 0.0; |
+ |
+ // Assign the varying variable color. |
+ color = vec4(gray, gray, gray, 1.0); |
+ |
+ // Transform the vertex position. |
+ gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; |
+} |
+ |