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Merge pull request #89919 from BlueCube3310/bicubic-lightmap

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Implement bicubic sampling for lightmaps
This commit is contained in:
Rémi Verschelde
2024-08-20 10:01:41 +02:00
parent 333f0f910f ef9bb1a207
commit 8acd82f70e
30 changed files with 354 additions and 15 deletions
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14
drivers/gles3/rasterizer_scene_gles3.cpp
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@@ -3210,6 +3210,10 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
if (lm->uses_spherical_harmonics) {
spec_constants |= SceneShaderGLES3::USE_SH_LIGHTMAP;
}
if (lightmap_bicubic_upscale) {
spec_constants |= SceneShaderGLES3::LIGHTMAP_BICUBIC_FILTER;
}
} else if (inst->lightmap_sh) {
spec_constants |= SceneShaderGLES3::USE_LIGHTMAP_CAPTURE;
} else {
@@ -3352,6 +3356,11 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
Vector4 uv_scale(inst->lightmap_uv_scale.position.x, inst->lightmap_uv_scale.position.y, inst->lightmap_uv_scale.size.x, inst->lightmap_uv_scale.size.y);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::LIGHTMAP_UV_SCALE, uv_scale, shader->version, instance_variant, spec_constants);
if (lightmap_bicubic_upscale) {
Vector2 light_texture_size(lm->light_texture_size.x, lm->light_texture_size.y);
material_storage->shaders.scene_shader.version_set_uniform(SceneShaderGLES3::LIGHTMAP_TEXTURE_SIZE, light_texture_size, shader->version, instance_variant, spec_constants);
}
float exposure_normalization = 1.0;
if (p_render_data->camera_attributes.is_valid()) {
float enf = RSG::camera_attributes->camera_attributes_get_exposure_normalization_factor(p_render_data->camera_attributes);
@@ -4047,6 +4056,10 @@ void RasterizerSceneGLES3::decals_set_filter(RS::DecalFilter p_filter) {
void RasterizerSceneGLES3::light_projectors_set_filter(RS::LightProjectorFilter p_filter) {
}
void RasterizerSceneGLES3::lightmaps_set_bicubic_filter(bool p_enable) {
lightmap_bicubic_upscale = p_enable;
}
RasterizerSceneGLES3::RasterizerSceneGLES3() {
singleton = this;
@@ -4060,6 +4073,7 @@ RasterizerSceneGLES3::RasterizerSceneGLES3() {
positional_soft_shadow_filter_set_quality((RS::ShadowQuality)(int)GLOBAL_GET("rendering/lights_and_shadows/positional_shadow/soft_shadow_filter_quality"));
directional_soft_shadow_filter_set_quality((RS::ShadowQuality)(int)GLOBAL_GET("rendering/lights_and_shadows/directional_shadow/soft_shadow_filter_quality"));
lightmaps_set_bicubic_filter(GLOBAL_GET("rendering/lightmapping/lightmap_gi/use_bicubic_filter"));
{
// Setup Lights