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Rendering from a buffer

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This commit is contained in:
Robin Voetter
2020-07-05 16:27:52 +02:00
parent 8c9bb747c3
commit 9b3eff5a72
6 changed files with 108 additions and 25 deletions
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17
examples/shaders/triangle.vert
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@@ -1,20 +1,11 @@
#version 450
const vec2 positions[3] = vec2[](
vec2(0.0, -0.5),
vec2(0.5, 0.5),
vec2(-0.5, 0.5)
);
const vec3 colors[3] = vec3[](
vec3(1.0, 0.0, 0.0),
vec3(0.0, 1.0, 0.0),
vec3(0.0, 0.0, 1.0)
);
layout(location = 0) in vec2 a_pos;
layout(location = 1) in vec3 a_color;
layout(location = 0) out vec3 v_color;
void main() {
gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
v_color = colors[gl_VertexIndex];
gl_Position = vec4(a_pos, 0.0, 1.0);
v_color = a_color;
}