diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/shaders/Blit.vs')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/shaders/Blit.vs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/shaders/Blit.vs b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/shaders/Blit.vs new file mode 100644 index 0000000000..3bd611ba5d --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/shaders/Blit.vs @@ -0,0 +1,43 @@ +// +// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +struct VS_OUTPUT +{ + float4 position : POSITION; + float4 texcoord : TEXCOORD0; +}; + +uniform float4 halfPixelSize : c0; + +// Standard Vertex Shader +// Input 0 is the homogenous position. +// Outputs the homogenous position as-is. +// Outputs a tex coord with (0,0) in the upper-left corner of the screen and (1,1) in the bottom right. +// C0.X must be negative half-pixel width, C0.Y must be half-pixel height. C0.ZW must be 0. +VS_OUTPUT VS_standard(in float4 position : POSITION) +{ + VS_OUTPUT Out; + + Out.position = position + halfPixelSize; + Out.texcoord = position * float4(0.5, -0.5, 1.0, 1.0) + float4(0.5, 0.5, 0, 0); + + return Out; +}; + +// Flip Y Vertex Shader +// Input 0 is the homogenous position. +// Outputs the homogenous position as-is. +// Outputs a tex coord with (0,1) in the upper-left corner of the screen and (1,0) in the bottom right. +// C0.XY must be the half-pixel width and height. C0.ZW must be 0. +VS_OUTPUT VS_flipy(in float4 position : POSITION) +{ + VS_OUTPUT Out; + + Out.position = position + halfPixelSize; + Out.texcoord = position * float4(0.5, 0.5, 1.0, 1.0) + float4(0.5, 0.5, 0, 0); + + return Out; +}; |