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comparison: gfx/angle/src/libGLESv2/renderer/shaders/Blit.vs
gfx/angle/src/libGLESv2/renderer/shaders/Blit.vs
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:dff9a706b3d8 |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 struct VS_OUTPUT | |
| 8 { | |
| 9 float4 position : POSITION; | |
| 10 float4 texcoord : TEXCOORD0; | |
| 11 }; | |
| 12 | |
| 13 uniform float4 halfPixelSize : c0; | |
| 14 | |
| 15 // Standard Vertex Shader | |
| 16 // Input 0 is the homogenous position. | |
| 17 // Outputs the homogenous position as-is. | |
| 18 // Outputs a tex coord with (0,0) in the upper-left corner of the screen and (1,1) in the bottom right. | |
| 19 // C0.X must be negative half-pixel width, C0.Y must be half-pixel height. C0.ZW must be 0. | |
| 20 VS_OUTPUT standardvs(in float4 position : POSITION) | |
| 21 { | |
| 22 VS_OUTPUT Out; | |
| 23 | |
| 24 Out.position = position + halfPixelSize; | |
| 25 Out.texcoord = position * float4(0.5, -0.5, 1.0, 1.0) + float4(0.5, 0.5, 0, 0); | |
| 26 | |
| 27 return Out; | |
| 28 }; | |
| 29 | |
| 30 // Flip Y Vertex Shader | |
| 31 // Input 0 is the homogenous position. | |
| 32 // Outputs the homogenous position as-is. | |
| 33 // Outputs a tex coord with (0,1) in the upper-left corner of the screen and (1,0) in the bottom right. | |
| 34 // C0.XY must be the half-pixel width and height. C0.ZW must be 0. | |
| 35 VS_OUTPUT flipyvs(in float4 position : POSITION) | |
| 36 { | |
| 37 VS_OUTPUT Out; | |
| 38 | |
| 39 Out.position = position + halfPixelSize; | |
| 40 Out.texcoord = position * float4(0.5, 0.5, 1.0, 1.0) + float4(0.5, 0.5, 0, 0); | |
| 41 | |
| 42 return Out; | |
| 43 }; |
