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implemented instanced rendering

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Alessandro Mauri 2025-06-15 18:54:35 +02:00
parent 0ef2bceeec
commit f30db0dd47
9 changed files with 190 additions and 203 deletions
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29
resources/shaders/source/rect.vert.glsl
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@ -5,26 +5,25 @@ layout(set = 1, binding = 0) uniform Viewport {
};
layout(location = 0) in ivec2 position;
layout(location = 1) in ivec2 uv;
layout(location = 2) in ivec4 color;
layout(location = 1) in ivec4 attr; // quad x,y,w,h
layout(location = 2) in ivec2 uv; // x,y in the texture
layout(location = 3) in ivec4 color;
layout(location = 0) out vec4 col;
layout(location = 1) out vec2 local_position;
layout(location = 2) out vec2 global_position;
layout(location = 3) out float radius;
layout(location = 0) out vec4 out_color;
layout(location = 1) out vec4 out_quad_size;
layout(location = 2) out float out_radius;
void main()
{
// vertex position
vec2 pos;
pos.x = float(position.x)*2.0 / view.x - 1.0;
pos.y = -(float(position.y)*2.0 / view.y - 1.0);
ivec2 px_pos = attr.xy + position.xy * attr.zw;
vec2 clip_pos;
clip_pos.x = float(px_pos.x)*2.0 / view.x - 1.0;
clip_pos.y = -(float(px_pos.y)*2.0 / view.y - 1.0);
gl_Position = vec4(pos, 0.0, 1.0);
gl_Position = vec4(clip_pos, 0.0, 1.0);
local_position = vec2(sign(uv));
global_position = gl_Position.xy;
radius = abs(float(uv.x));
col = vec4(color) / 255.0;
out_color = vec4(color) / 255.0;
out_quad_size = vec4(attr);
out_radius = float(abs(uv.x));
}