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https://git.code.sf.net/p/quake/quakeforge
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a08261c620
This allows the use of an entity id to index into the entity data and fetch the transform and colormod data in the vertex shader, thus making instanced rendering possible. Non-world brush entities are still not rendered, but the world entity is using both the entity data buffer and entid buffer.
32 lines
685 B
GLSL
32 lines
685 B
GLSL
#version 450
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#extension GL_GOOGLE_include_directive : enable
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#include "entity.h"
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layout (set = 0, binding = 0) uniform Matrices {
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mat4 Projection3d;
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mat4 View;
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mat4 Sky;
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mat4 Projection2d;
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};
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layout (set = 1, binding = 0) buffer Entities {
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Entity entities[];
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};
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layout (location = 0) in vec4 vertex;
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layout (location = 1) in vec4 tl_uv;
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layout (location = 2) in uint entid;
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layout (location = 0) out vec4 tl_st;
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layout (location = 1) out vec3 direction;
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void
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main (void)
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{
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// geometry shader will take care of Projection and View
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vec3 vert = vertex * entities[entid].transform;
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gl_Position = vec4 (vert, 1);
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direction = (Sky * vertex).xyz;
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tl_st = tl_uv;
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}
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