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Reduce the number of samplers used by the scene shaders

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The hard limit for Apple devices is 16 samplers per stage. So we need to ensure we use less than that
This commit is contained in:
clayjohn
2023-12-15 17:13:44 -07:00
parent f8a2a91936
commit a5399ab5af
8 changed files with 53 additions and 62 deletions
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10
servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl
View File

@@ -1160,10 +1160,10 @@ void main() {
if (uses_sh) {
uvw.z *= 4.0; //SH textures use 4 times more data
vec3 lm_light_l0 = textureLod(sampler2DArray(lightmap_textures[ofs], DEFAULT_SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 0.0), 0.0).rgb;
vec3 lm_light_l1n1 = textureLod(sampler2DArray(lightmap_textures[ofs], DEFAULT_SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 1.0), 0.0).rgb;
vec3 lm_light_l1_0 = textureLod(sampler2DArray(lightmap_textures[ofs], DEFAULT_SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 2.0), 0.0).rgb;
vec3 lm_light_l1p1 = textureLod(sampler2DArray(lightmap_textures[ofs], DEFAULT_SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 3.0), 0.0).rgb;
vec3 lm_light_l0 = textureLod(sampler2DArray(lightmap_textures[ofs], SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 0.0), 0.0).rgb;
vec3 lm_light_l1n1 = textureLod(sampler2DArray(lightmap_textures[ofs], SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 1.0), 0.0).rgb;
vec3 lm_light_l1_0 = textureLod(sampler2DArray(lightmap_textures[ofs], SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 2.0), 0.0).rgb;
vec3 lm_light_l1p1 = textureLod(sampler2DArray(lightmap_textures[ofs], SAMPLER_LINEAR_CLAMP), uvw + vec3(0.0, 0.0, 3.0), 0.0).rgb;
vec3 n = normalize(lightmaps.data[ofs].normal_xform * normal);
float exposure_normalization = lightmaps.data[ofs].exposure_normalization;
@@ -1180,7 +1180,7 @@ void main() {
}
} else {
ambient_light += textureLod(sampler2DArray(lightmap_textures[ofs], DEFAULT_SAMPLER_LINEAR_CLAMP), uvw, 0.0).rgb * lightmaps.data[ofs].exposure_normalization;
ambient_light += textureLod(sampler2DArray(lightmap_textures[ofs], SAMPLER_LINEAR_CLAMP), uvw, 0.0).rgb * lightmaps.data[ofs].exposure_normalization;
}
}

13
servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile_inc.glsl
View File

@@ -101,18 +101,7 @@ layout(set = 0, binding = 12, std430) restrict readonly buffer GlobalShaderUnifo
}
global_shader_uniforms;
layout(set = 0, binding = 13 + 0) uniform sampler DEFAULT_SAMPLER_NEAREST_CLAMP;
layout(set = 0, binding = 13 + 1) uniform sampler DEFAULT_SAMPLER_LINEAR_CLAMP;
layout(set = 0, binding = 13 + 2) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP;
layout(set = 0, binding = 13 + 3) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP;
layout(set = 0, binding = 13 + 4) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_CLAMP;
layout(set = 0, binding = 13 + 5) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_CLAMP;
layout(set = 0, binding = 13 + 6) uniform sampler DEFAULT_SAMPLER_NEAREST_REPEAT;
layout(set = 0, binding = 13 + 7) uniform sampler DEFAULT_SAMPLER_LINEAR_REPEAT;
layout(set = 0, binding = 13 + 8) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_REPEAT;
layout(set = 0, binding = 13 + 9) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_REPEAT;
layout(set = 0, binding = 13 + 10) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT;
layout(set = 0, binding = 13 + 11) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT;
layout(set = 0, binding = 13) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP;
/* Set 1: Render Pass (changes per render pass) */