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path: root/src/assets/shaders/bitmap/vert.glsl
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Diffstat (limited to 'src/assets/shaders/bitmap/vert.glsl')
-rw-r--r--src/assets/shaders/bitmap/vert.glsl24
1 files changed, 6 insertions, 18 deletions
diff --git a/src/assets/shaders/bitmap/vert.glsl b/src/assets/shaders/bitmap/vert.glsl
index 4005d75..4ff9865 100644
--- a/src/assets/shaders/bitmap/vert.glsl
+++ b/src/assets/shaders/bitmap/vert.glsl
@@ -1,26 +1,14 @@
#version 300 es
precision highp float;
-uniform mat4 view;
-uniform mat4 position;
+in vec2 vertex;
+in vec2 texcoord;
+
+uniform mat4 transform;
out vec2 vertex_texcoord;
void main() {
- const vec2 positions[4] = vec2[](
- vec2(-1, -1),
- vec2(+1, -1),
- vec2(-1, +1),
- vec2(+1, +1)
- );
- const vec2 coords[4] = vec2[](
- vec2(0, 0),
- vec2(1, 0),
- vec2(0, 1),
- vec2(1, 1)
- );
- vec4 vertex = vec4(positions[gl_VertexID], 0.0, 1.0);
-
- vertex_texcoord = coords[gl_VertexID];
- gl_Position = view * position * vertex;
+ vertex_texcoord = texcoord;
+ gl_Position = transform * vec4(vertex, 0.0, 1.0);
}