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Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/mat/mat4_copy_vert.vert | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/mat/mat4_copy_vert.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/mat/mat4_copy_vert.vert new file mode 100644 index 0000000000..3c06f3258d --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/mat/mat4_copy_vert.vert @@ -0,0 +1,77 @@ + +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ + + +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 + + // Copy the matrix to another non-const matrix. + mat4 b = a; + + // Check each element of the copy. + bool elms = true; + if(b[0][0] != 1.0) elms = false; + if(b[0][1] != 2.0) elms = false; + if(b[0][2] != 4.0) elms = false; + if(b[0][3] != 8.0) elms = false; + if(b[1][0] != 16.0) elms = false; + if(b[1][1] != 32.0) elms = false; + if(b[1][2] != 64.0) elms = false; + if(b[1][3] != 128.0) elms = false; + if(b[2][0] != 256.0) elms = false; + if(b[2][1] != 512.0) elms = false; + if(b[2][2] != 1024.0) elms = false; + if(b[2][3] != 2048.0) elms = false; + if(b[3][0] != 4096.0) elms = false; + if(b[3][1] != 8192.0) elms = false; + if(b[3][2] != 16384.0) elms = false; + if(b[3][3] != 32768.0) elms = false; + + // Add up each row of the copy. + bool rows = true; + x = b[0][0] + b[1][0] + b[2][0] + b[3][0]; + if(x < 4369.0-ERROR_EPSILON || x > 4369.0+ERROR_EPSILON) rows = false; + x = b[0][1] + b[1][1] + b[2][1] + b[3][1]; + if(x < 8738.0-ERROR_EPSILON || x > 8738.0+ERROR_EPSILON) rows = false; + x = b[0][2] + b[1][2] + b[2][2] + b[3][2]; + if(x < 17476.0-ERROR_EPSILON || x > 17476.0+ERROR_EPSILON) rows = false; + x = b[0][3] + b[1][3] + b[2][3] + b[3][3]; + if(x < 34952.0-ERROR_EPSILON || x > 34952.0+ERROR_EPSILON) rows = false; + + // Add up each column of the copy. + bool cols = true; + x = b[0][0] + b[0][1] + b[0][2] + b[0][3]; + if(x < 15.0-ERROR_EPSILON || x > 15.0+ERROR_EPSILON) cols = false; + x = b[1][0] + b[1][1] + b[1][2] + b[1][3]; + if(x < 240.0-ERROR_EPSILON || x > 240.0+ERROR_EPSILON) cols = false; + x = b[2][0] + b[2][1] + b[2][2] + b[2][3]; + if(x < 3840.0-ERROR_EPSILON || x > 3840.0+ERROR_EPSILON) cols = false; + x = b[3][0] + b[3][1] + b[3][2] + b[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; +} + |