Merge pull request #51679 from Je06jm/fsr

AMD FidelityFX Super Resolution

1 files changed, 106 insertions, 0 deletions

diff --git a/servers/rendering/renderer_rd/renderer_storage_rd.cpp b/servers/rendering/renderer_rd/renderer_storage_rd.cpp
index 04753d7a9b..04acc871b4 100644
--- a/servers/rendering/renderer_rd/renderer_storage_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_storage_rd.cpp
@@ -1227,6 +1227,100 @@ RendererStorageRD::CanvasTexture::~CanvasTexture() {
 	clear_sets();
 }
 
+void RendererStorageRD::sampler_rd_configure_custom(float p_mipmap_bias) {
+	for (int i = 1; i < RS::CANVAS_ITEM_TEXTURE_FILTER_MAX; i++) {
+		for (int j = 1; j < RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX; j++) {
+			RD::SamplerState sampler_state;
+			switch (i) {
+				case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST: {
+					sampler_state.mag_filter = RD::SAMPLER_FILTER_NEAREST;
+					sampler_state.min_filter = RD::SAMPLER_FILTER_NEAREST;
+					sampler_state.max_lod = 0;
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR: {
+					sampler_state.mag_filter = RD::SAMPLER_FILTER_LINEAR;
+					sampler_state.min_filter = RD::SAMPLER_FILTER_LINEAR;
+					sampler_state.max_lod = 0;
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: {
+					sampler_state.mag_filter = RD::SAMPLER_FILTER_NEAREST;
+					sampler_state.min_filter = RD::SAMPLER_FILTER_NEAREST;
+					if (GLOBAL_GET("rendering/textures/default_filters/use_nearest_mipmap_filter")) {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_NEAREST;
+					} else {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_LINEAR;
+					}
+					sampler_state.lod_bias = p_mipmap_bias;
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: {
+					sampler_state.mag_filter = RD::SAMPLER_FILTER_LINEAR;
+					sampler_state.min_filter = RD::SAMPLER_FILTER_LINEAR;
+					if (GLOBAL_GET("rendering/textures/default_filters/use_nearest_mipmap_filter")) {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_NEAREST;
+					} else {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_LINEAR;
+					}
+					sampler_state.lod_bias = p_mipmap_bias;
+
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC: {
+					sampler_state.mag_filter = RD::SAMPLER_FILTER_NEAREST;
+					sampler_state.min_filter = RD::SAMPLER_FILTER_NEAREST;
+					if (GLOBAL_GET("rendering/textures/default_filters/use_nearest_mipmap_filter")) {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_NEAREST;
+					} else {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_LINEAR;
+					}
+					sampler_state.lod_bias = p_mipmap_bias;
+					sampler_state.use_anisotropy = true;
+					sampler_state.anisotropy_max = 1 << int(GLOBAL_GET("rendering/textures/default_filters/anisotropic_filtering_level"));
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC: {
+					sampler_state.mag_filter = RD::SAMPLER_FILTER_LINEAR;
+					sampler_state.min_filter = RD::SAMPLER_FILTER_LINEAR;
+					if (GLOBAL_GET("rendering/textures/default_filters/use_nearest_mipmap_filter")) {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_NEAREST;
+					} else {
+						sampler_state.mip_filter = RD::SAMPLER_FILTER_LINEAR;
+					}
+					sampler_state.lod_bias = p_mipmap_bias;
+					sampler_state.use_anisotropy = true;
+					sampler_state.anisotropy_max = 1 << int(GLOBAL_GET("rendering/textures/default_filters/anisotropic_filtering_level"));
+
+				} break;
+				default: {
+				}
+			}
+			switch (j) {
+				case RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED: {
+					sampler_state.repeat_u = RD::SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE;
+					sampler_state.repeat_v = RD::SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE;
+					sampler_state.repeat_w = RD::SAMPLER_REPEAT_MODE_CLAMP_TO_EDGE;
+
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED: {
+					sampler_state.repeat_u = RD::SAMPLER_REPEAT_MODE_REPEAT;
+					sampler_state.repeat_v = RD::SAMPLER_REPEAT_MODE_REPEAT;
+					sampler_state.repeat_w = RD::SAMPLER_REPEAT_MODE_REPEAT;
+				} break;
+				case RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR: {
+					sampler_state.repeat_u = RD::SAMPLER_REPEAT_MODE_MIRRORED_REPEAT;
+					sampler_state.repeat_v = RD::SAMPLER_REPEAT_MODE_MIRRORED_REPEAT;
+					sampler_state.repeat_w = RD::SAMPLER_REPEAT_MODE_MIRRORED_REPEAT;
+				} break;
+				default: {
+				}
+			}
+
+			if (custom_rd_samplers[i][j].is_valid()) {
+				RD::get_singleton()->free(custom_rd_samplers[i][j]);
+			}
+
+			custom_rd_samplers[i][j] = RD::get_singleton()->sampler_create(sampler_state);
+		}
+	}
+}
+
 RID RendererStorageRD::canvas_texture_allocate() {
 	return canvas_texture_owner.allocate_rid();
 }
@@ -9774,6 +9868,9 @@ RendererStorageRD::RendererStorageRD() {
 		}
 	}
 
+	//custom sampler
+	sampler_rd_configure_custom(0.0f);
+
 	//default rd buffers
 	{
 		Vector<uint8_t> buffer;
@@ -10104,6 +10201,15 @@ RendererStorageRD::~RendererStorageRD() {
 		}
 	}
 
+	//custom samplers
+	for (int i = 1; i < RS::CANVAS_ITEM_TEXTURE_FILTER_MAX; i++) {
+		for (int j = 0; j < RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX; j++) {
+			if (custom_rd_samplers[i][j].is_valid()) {
+				RD::get_singleton()->free(custom_rd_samplers[i][j]);
+			}
+		}
+	}
+
 	//def buffers
 	for (int i = 0; i < DEFAULT_RD_BUFFER_MAX; i++) {
 		RD::get_singleton()->free(mesh_default_rd_buffers[i]);