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vulkan: store out vertices in buffer

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This commit is contained in:
Julian Orth 2025-02-27 16:14:22 +01:00
parent 10be846e4c
commit 73611fd287
4 changed files with 34 additions and 31 deletions
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8
src/gfx_apis/vulkan/shaders/out.common.glsl
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@ -1,3 +1,9 @@
#extension GL_EXT_buffer_reference : require
layout(buffer_reference, buffer_reference_align = 8, std430) buffer Vertices {
vec2 pos[][4];
};
layout(push_constant, std430) uniform Data {
layout(offset = 0) vec2 pos[4];
Vertices vertices;
} data;

10
src/gfx_apis/vulkan/shaders/out.vert
View file

@ -1,16 +1,8 @@
#version 450
//#extension GL_EXT_debug_printf : enable
#include "out.common.glsl"
void main() {
vec2 pos;
switch (gl_VertexIndex) {
case 0: pos = data.pos[0]; break;
case 1: pos = data.pos[1]; break;
case 2: pos = data.pos[2]; break;
case 3: pos = data.pos[3]; break;
}
vec2 pos = data.vertices.pos[gl_InstanceIndex][gl_VertexIndex];
gl_Position = vec4(pos, 0.0, 1.0);
// debugPrintfEXT("X gl_Position = %v4f, pos = %v2f", gl_Position, pos);
}