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Introduce array textures for node rendering (#16574)

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sfan5
2025-11-01 17:21:41 +01:00
committed by GitHub
parent 1ead48c58b
commit de5ef4ca29
31 changed files with 777 additions and 187 deletions
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17
client/shaders/object_shader/opengl_fragment.glsl
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@@ -1,4 +1,8 @@
uniform sampler2D baseTexture;
#ifdef USE_ARRAY_TEXTURE
uniform sampler2DArray baseTexture;
#else
uniform sampler2D baseTexture;
#endif
uniform vec3 dayLight;
uniform lowp vec4 fogColor;
@@ -41,8 +45,10 @@ varying vec3 worldPosition;
varying lowp vec4 varColor;
#ifdef GL_ES
varying mediump vec2 varTexCoord;
varying float varTexLayer;
#else
centroid varying vec2 varTexCoord;
centroid varying float varTexLayer; // actually int
#endif
varying highp vec3 eyeVec;
varying float nightRatio;
@@ -365,10 +371,13 @@ void main(void)
vec3 color;
vec2 uv = varTexCoord.st;
#ifdef USE_ARRAY_TEXTURE
vec4 base = texture(baseTexture, vec3(uv, varTexLayer)).rgba;
#else
vec4 base = texture2D(baseTexture, uv).rgba;
// If alpha is zero, we can just discard the pixel. This fixes transparency
// on GPUs like GC7000L, where GL_ALPHA_TEST is not implemented in mesa,
// and also on GLES 2, where GL_ALPHA_TEST is missing entirely.
#endif
// Handle transparency by discarding pixel as appropriate.
#ifdef USE_DISCARD
if (base.a == 0.0)
discard;