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Diffstat (limited to 'slideshow/opengl/basicVertexShader.glsl')
-rw-r--r--slideshow/opengl/basicVertexShader.glsl10
1 files changed, 8 insertions, 2 deletions
diff --git a/slideshow/opengl/basicVertexShader.glsl b/slideshow/opengl/basicVertexShader.glsl
index 020616fff872..a4b258c69043 100644
--- a/slideshow/opengl/basicVertexShader.glsl
+++ b/slideshow/opengl/basicVertexShader.glsl
@@ -28,14 +28,20 @@
#version 120
+uniform mat4 u_sceneTransformMatrix;
+uniform mat4 u_primitiveTransformMatrix;
+uniform mat4 u_operationsTransformMatrix;
+
varying vec2 v_texturePosition;
varying vec3 v_normal;
void main( void )
{
- gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+ mat4 modelViewMatrix = gl_ModelViewMatrix * u_operationsTransformMatrix * u_sceneTransformMatrix * u_primitiveTransformMatrix;
+ mat3 normalMatrix = mat3(transpose(inverse(modelViewMatrix)));
+ gl_Position = gl_ProjectionMatrix * modelViewMatrix * gl_Vertex;
v_texturePosition = gl_MultiTexCoord0.xy;
- v_normal = normalize(gl_NormalMatrix * gl_Normal);
+ v_normal = normalize(normalMatrix * gl_Normal);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */