69 lines
1.2 KiB
GLSL
69 lines
1.2 KiB
GLSL
/* clang-format off */
|
|
[vertex]
|
|
|
|
#version 450
|
|
|
|
VERSION_DEFINES
|
|
|
|
layout(location = 0) out vec2 uv_interp;
|
|
/* clang-format on */
|
|
|
|
layout(push_constant, binding = 1, std430) uniform Params {
|
|
vec4 section;
|
|
vec2 pixel_size;
|
|
bool flip_y;
|
|
bool use_section;
|
|
bool force_luminance;
|
|
uint pad[3];
|
|
}
|
|
params;
|
|
|
|
void main() {
|
|
|
|
vec2 base_arr[4] = vec2[](vec2(0.0, 0.0), vec2(0.0, 1.0), vec2(1.0, 1.0), vec2(1.0, 0.0));
|
|
uv_interp = base_arr[gl_VertexIndex];
|
|
|
|
if (params.use_section) {
|
|
uv_interp = params.section.xy + uv_interp * params.section.zw;
|
|
}
|
|
|
|
gl_Position = vec4(uv_interp * 2.0 - 1.0, 0.0, 1.0);
|
|
|
|
if (params.flip_y) {
|
|
uv_interp.y = 1.0 - uv_interp.y;
|
|
}
|
|
}
|
|
|
|
/* clang-format off */
|
|
[fragment]
|
|
|
|
#version 450
|
|
|
|
VERSION_DEFINES
|
|
|
|
layout(push_constant, binding = 1, std430) uniform Params {
|
|
vec4 section;
|
|
vec2 pixel_size;
|
|
bool flip_y;
|
|
bool use_section;
|
|
bool force_luminance;
|
|
uint pad[3];
|
|
} params;
|
|
|
|
|
|
layout(location = 0) in vec2 uv_interp;
|
|
/* clang-format on */
|
|
|
|
layout(set = 0, binding = 0) uniform sampler2D source_color;
|
|
|
|
layout(location = 0) out vec4 frag_color;
|
|
|
|
void main() {
|
|
|
|
vec4 color = texture(source_color, uv_interp, 0.0);
|
|
if (params.force_luminance) {
|
|
color.rgb = vec3(max(max(color.r, color.g), color.b));
|
|
}
|
|
frag_color = color;
|
|
}
|