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gl_DepthRange is not supported by SPIR-V

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progress towards #1376
This commit is contained in:
IntegratedQuantum 2025-05-02 17:04:21 +02:00
parent 73d50720b4
commit 1a1a503033
2 changed files with 7 additions and 3 deletions
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6
assets/cubyz/shaders/item_drop.fs
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@ -26,6 +26,8 @@ layout(location = 7) uniform float sizeScale;
layout(location = 8) uniform float reflectionMapSize;
layout(location = 9) uniform float contrast;
layout(location = 10) uniform vec2 glDepthRange;
const float[6] normalVariations = float[6](
1.0,
0.80,
@ -175,9 +177,7 @@ void mainItemDrop() {
vec3 modifiedCameraSpacePos = cameraSpacePos*(1 + total_tMax*sizeScale*length(direction)/length(cameraSpacePos));
vec4 projection = projectionMatrix*vec4(modifiedCameraSpacePos, 1);
float depth = projection.z/projection.w;
gl_FragDepth = ((gl_DepthRange.diff * depth) + gl_DepthRange.near + gl_DepthRange.far)/2.0;
gl_FragDepth = (((glDepthRange.y - glDepthRange.x) * depth) + glDepthRange.x + glDepthRange.y)/2.0;
fragColor = decodeColor(block);
fragColor.a = 1; // No transparency supported!

4
src/itemdrop.zig
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@ -553,6 +553,7 @@ pub const ItemDropRenderer = struct { // MARK: ItemDropRenderer
block: c_int,
reflectionMapSize: c_int,
contrast: c_int,
glDepthRange: c_int,
} = undefined;
var itemModelSSBO: graphics.SSBO = undefined;
@ -682,6 +683,9 @@ pub const ItemDropRenderer = struct { // MARK: ItemDropRenderer
c.glUniform3fv(itemUniforms.ambientLight, 1, @ptrCast(&ambientLight));
c.glUniformMatrix4fv(itemUniforms.viewMatrix, 1, c.GL_TRUE, @ptrCast(&viewMatrix));
c.glUniform1f(itemUniforms.contrast, 0.12);
var depthRange: [2]f32 = undefined;
c.glGetFloatv(c.GL_DEPTH_RANGE, &depthRange);
c.glUniform2fv(itemUniforms.glDepthRange, 1, &depthRange);
}
fn bindLightUniform(light: [6]u8, ambientLight: Vec3f) void {