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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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44
servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
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@@ -802,7 +802,7 @@ vec4 volumetric_fog_process(vec2 screen_uv, float z) {
fog_pos.z = pow(fog_pos.z, implementation_data.volumetric_fog_detail_spread);
}
return texture(sampler3D(volumetric_fog_texture, DEFAULT_SAMPLER_LINEAR_CLAMP), fog_pos);
return texture(sampler3D(volumetric_fog_texture, SAMPLER_LINEAR_CLAMP), fog_pos);
}
vec4 fog_process(vec3 vertex) {
@@ -1379,10 +1379,10 @@ void fragment_shader(in SceneData scene_data) {
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 en = lightmaps.data[ofs].exposure_normalization;
@@ -1399,7 +1399,7 @@ void fragment_shader(in SceneData scene_data) {
}
} 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;
}
}
#else
@@ -1519,18 +1519,18 @@ void fragment_shader(in SceneData scene_data) {
vec2 base_coord = screen_uv;
vec2 closest_coord = base_coord;
#ifdef USE_MULTIVIEW
float closest_ang = dot(normal, textureLod(sampler2DArray(normal_roughness_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), vec3(base_coord, ViewIndex), 0.0).xyz * 2.0 - 1.0);
float closest_ang = dot(normal, textureLod(sampler2DArray(normal_roughness_buffer, SAMPLER_LINEAR_CLAMP), vec3(base_coord, ViewIndex), 0.0).xyz * 2.0 - 1.0);
#else // USE_MULTIVIEW
float closest_ang = dot(normal, textureLod(sampler2D(normal_roughness_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), base_coord, 0.0).xyz * 2.0 - 1.0);
float closest_ang = dot(normal, textureLod(sampler2D(normal_roughness_buffer, SAMPLER_LINEAR_CLAMP), base_coord, 0.0).xyz * 2.0 - 1.0);
#endif // USE_MULTIVIEW
for (int i = 0; i < 4; i++) {
const vec2 neighbors[4] = vec2[](vec2(-1, 0), vec2(1, 0), vec2(0, -1), vec2(0, 1));
vec2 neighbour_coord = base_coord + neighbors[i] * scene_data.screen_pixel_size;
#ifdef USE_MULTIVIEW
float neighbour_ang = dot(normal, textureLod(sampler2DArray(normal_roughness_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), vec3(neighbour_coord, ViewIndex), 0.0).xyz * 2.0 - 1.0);
float neighbour_ang = dot(normal, textureLod(sampler2DArray(normal_roughness_buffer, SAMPLER_LINEAR_CLAMP), vec3(neighbour_coord, ViewIndex), 0.0).xyz * 2.0 - 1.0);
#else // USE_MULTIVIEW
float neighbour_ang = dot(normal, textureLod(sampler2D(normal_roughness_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), neighbour_coord, 0.0).xyz * 2.0 - 1.0);
float neighbour_ang = dot(normal, textureLod(sampler2D(normal_roughness_buffer, SAMPLER_LINEAR_CLAMP), neighbour_coord, 0.0).xyz * 2.0 - 1.0);
#endif // USE_MULTIVIEW
if (neighbour_ang > closest_ang) {
closest_ang = neighbour_ang;
@@ -1545,11 +1545,11 @@ void fragment_shader(in SceneData scene_data) {
}
#ifdef USE_MULTIVIEW
vec4 buffer_ambient = textureLod(sampler2DArray(ambient_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), vec3(coord, ViewIndex), 0.0);
vec4 buffer_reflection = textureLod(sampler2DArray(reflection_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), vec3(coord, ViewIndex), 0.0);
vec4 buffer_ambient = textureLod(sampler2DArray(ambient_buffer, SAMPLER_LINEAR_CLAMP), vec3(coord, ViewIndex), 0.0);
vec4 buffer_reflection = textureLod(sampler2DArray(reflection_buffer, SAMPLER_LINEAR_CLAMP), vec3(coord, ViewIndex), 0.0);
#else // USE_MULTIVIEW
vec4 buffer_ambient = textureLod(sampler2D(ambient_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), coord, 0.0);
vec4 buffer_reflection = textureLod(sampler2D(reflection_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), coord, 0.0);
vec4 buffer_ambient = textureLod(sampler2D(ambient_buffer, SAMPLER_LINEAR_CLAMP), coord, 0.0);
vec4 buffer_reflection = textureLod(sampler2D(reflection_buffer, SAMPLER_LINEAR_CLAMP), coord, 0.0);
#endif // USE_MULTIVIEW
ambient_light = mix(ambient_light, buffer_ambient.rgb, buffer_ambient.a);
@@ -1559,9 +1559,9 @@ void fragment_shader(in SceneData scene_data) {
if (bool(implementation_data.ss_effects_flags & SCREEN_SPACE_EFFECTS_FLAGS_USE_SSAO)) {
#ifdef USE_MULTIVIEW
float ssao = texture(sampler2DArray(ao_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), vec3(screen_uv, ViewIndex)).r;
float ssao = texture(sampler2DArray(ao_buffer, SAMPLER_LINEAR_CLAMP), vec3(screen_uv, ViewIndex)).r;
#else
float ssao = texture(sampler2D(ao_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), screen_uv).r;
float ssao = texture(sampler2D(ao_buffer, SAMPLER_LINEAR_CLAMP), screen_uv).r;
#endif
ao = min(ao, ssao);
ao_light_affect = mix(ao_light_affect, max(ao_light_affect, implementation_data.ssao_light_affect), implementation_data.ssao_ao_affect);
@@ -1646,9 +1646,9 @@ void fragment_shader(in SceneData scene_data) {
if (bool(implementation_data.ss_effects_flags & SCREEN_SPACE_EFFECTS_FLAGS_USE_SSIL)) {
#ifdef USE_MULTIVIEW
vec4 ssil = textureLod(sampler2DArray(ssil_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), vec3(screen_uv, ViewIndex), 0.0);
vec4 ssil = textureLod(sampler2DArray(ssil_buffer, SAMPLER_LINEAR_CLAMP), vec3(screen_uv, ViewIndex), 0.0);
#else
vec4 ssil = textureLod(sampler2D(ssil_buffer, DEFAULT_SAMPLER_LINEAR_CLAMP), screen_uv, 0.0);
vec4 ssil = textureLod(sampler2D(ssil_buffer, SAMPLER_LINEAR_CLAMP), screen_uv, 0.0);
#endif // USE_MULTIVIEW
ambient_light *= 1.0 - ssil.a;
ambient_light += ssil.rgb * albedo.rgb;
@@ -1932,7 +1932,7 @@ void fragment_shader(in SceneData scene_data) {
vec4 trans_coord = directional_lights.data[i].shadow_matrix1 * trans_vertex;
trans_coord /= trans_coord.w;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, DEFAULT_SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
shadow_z *= directional_lights.data[i].shadow_z_range.x;
float z = trans_coord.z * directional_lights.data[i].shadow_z_range.x;
@@ -1942,7 +1942,7 @@ void fragment_shader(in SceneData scene_data) {
vec4 trans_coord = directional_lights.data[i].shadow_matrix2 * trans_vertex;
trans_coord /= trans_coord.w;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, DEFAULT_SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
shadow_z *= directional_lights.data[i].shadow_z_range.y;
float z = trans_coord.z * directional_lights.data[i].shadow_z_range.y;
@@ -1952,7 +1952,7 @@ void fragment_shader(in SceneData scene_data) {
vec4 trans_coord = directional_lights.data[i].shadow_matrix3 * trans_vertex;
trans_coord /= trans_coord.w;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, DEFAULT_SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
shadow_z *= directional_lights.data[i].shadow_z_range.z;
float z = trans_coord.z * directional_lights.data[i].shadow_z_range.z;
@@ -1963,7 +1963,7 @@ void fragment_shader(in SceneData scene_data) {
vec4 trans_coord = directional_lights.data[i].shadow_matrix4 * trans_vertex;
trans_coord /= trans_coord.w;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, DEFAULT_SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
float shadow_z = textureLod(sampler2D(directional_shadow_atlas, SAMPLER_LINEAR_CLAMP), trans_coord.xy, 0.0).r;
shadow_z *= directional_lights.data[i].shadow_z_range.w;
float z = trans_coord.z * directional_lights.data[i].shadow_z_range.w;

13
servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered_inc.glsl
View File

@@ -161,18 +161,7 @@ layout(set = 0, binding = 13, std140) uniform SDFGI {
}
sdfgi;
layout(set = 0, binding = 14 + 0) uniform sampler DEFAULT_SAMPLER_NEAREST_CLAMP;
layout(set = 0, binding = 14 + 1) uniform sampler DEFAULT_SAMPLER_LINEAR_CLAMP;
layout(set = 0, binding = 14 + 2) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP;
layout(set = 0, binding = 14 + 3) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP;
layout(set = 0, binding = 14 + 4) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_CLAMP;
layout(set = 0, binding = 14 + 5) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_CLAMP;
layout(set = 0, binding = 14 + 6) uniform sampler DEFAULT_SAMPLER_NEAREST_REPEAT;
layout(set = 0, binding = 14 + 7) uniform sampler DEFAULT_SAMPLER_LINEAR_REPEAT;
layout(set = 0, binding = 14 + 8) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_REPEAT;
layout(set = 0, binding = 14 + 9) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_REPEAT;
layout(set = 0, binding = 14 + 10) uniform sampler DEFAULT_SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT;
layout(set = 0, binding = 14 + 11) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT;
layout(set = 0, binding = 14) uniform sampler DEFAULT_SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP;
/* Set 1: Render Pass (changes per render pass) */