replace sampler arrays with constant sampler elements

4 files changed, 38 insertions, 27 deletions

diff --git a/servers/rendering/renderer_rd/storage_rd/material_storage.cpp b/servers/rendering/renderer_rd/storage_rd/material_storage.cpp
index 6f67d628a9..5cb66b077d 100644
--- a/servers/rendering/renderer_rd/storage_rd/material_storage.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/material_storage.cpp
@@ -2853,6 +2853,26 @@ void MaterialStorage::material_update_dependency(RID p_material, DependencyTrack
 	}
 }
 
+Vector<RD::Uniform> MaterialStorage::get_default_sampler_uniforms(int first_index) {
+	Vector<RD::Uniform> uniforms;
+
+	// Binding ids are aligned with samplers_inc.glsl.
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 0, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 1, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 2, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 3, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 4, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 5, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 6, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 7, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 8, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 9, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 10, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED)));
+	uniforms.push_back(RD::Uniform(RD::UNIFORM_TYPE_SAMPLER, first_index + 11, sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED)));
+
+	return uniforms;
+}
+
 void MaterialStorage::material_set_data_request_function(ShaderType p_shader_type, MaterialStorage::MaterialDataRequestFunction p_function) {
 	ERR_FAIL_INDEX(p_shader_type, SHADER_TYPE_MAX);
 	material_data_request_func[p_shader_type] = p_function;
diff --git a/servers/rendering/renderer_rd/storage_rd/material_storage.h b/servers/rendering/renderer_rd/storage_rd/material_storage.h
index ac217d9a49..b6da3df783 100644
--- a/servers/rendering/renderer_rd/storage_rd/material_storage.h
+++ b/servers/rendering/renderer_rd/storage_rd/material_storage.h
@@ -344,6 +344,8 @@ public:
 
 	void sampler_rd_configure_custom(float mipmap_bias);
 
+	Vector<RD::Uniform> get_default_sampler_uniforms(int first_index);
+
 	// void sampler_rd_set_default(float p_mipmap_bias);
 
 	/* Buffers */
diff --git a/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp b/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
index b36e027f07..58e6ea21b0 100644
--- a/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
@@ -54,10 +54,11 @@ ParticlesStorage::ParticlesStorage() {
 	/* Particles */
 
 	{
+		String defines = "#define SAMPLERS_BINDING_FIRST_INDEX " + itos(SAMPLERS_BINDING_FIRST_INDEX) + "\n";
 		// Initialize particles
 		Vector<String> particles_modes;
 		particles_modes.push_back("");
-		particles_shader.shader.initialize(particles_modes, String());
+		particles_shader.shader.initialize(particles_modes, defines);
 	}
 	MaterialStorage::get_singleton()->shader_set_data_request_function(MaterialStorage::SHADER_TYPE_PARTICLES, _create_particles_shader_funcs);
 	MaterialStorage::get_singleton()->material_set_data_request_function(MaterialStorage::SHADER_TYPE_PARTICLES, _create_particles_material_funcs);
@@ -109,7 +110,6 @@ ParticlesStorage::ParticlesStorage() {
 		actions.render_mode_defines["keep_data"] = "#define ENABLE_KEEP_DATA\n";
 		actions.render_mode_defines["collision_use_scale"] = "#define USE_COLLISION_SCALE\n";
 
-		actions.sampler_array_name = "material_samplers";
 		actions.base_texture_binding_index = 1;
 		actions.texture_layout_set = 3;
 		actions.base_uniform_string = "material.";
@@ -145,27 +145,6 @@ void process() {
 		Vector<RD::Uniform> uniforms;
 
 		{
-			Vector<RID> ids;
-			ids.resize(12);
-			RID *ids_ptr = ids.ptrw();
-			ids_ptr[0] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-			ids_ptr[1] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-			ids_ptr[2] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-			ids_ptr[3] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-			ids_ptr[4] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-			ids_ptr[5] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
-			ids_ptr[6] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
-			ids_ptr[7] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
-			ids_ptr[8] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
-			ids_ptr[9] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
-			ids_ptr[10] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
-			ids_ptr[11] = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC, RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED);
-
-			RD::Uniform u(RD::UNIFORM_TYPE_SAMPLER, 1, ids);
-			uniforms.push_back(u);
-		}
-
-		{
 			RD::Uniform u;
 			u.uniform_type = RD::UNIFORM_TYPE_STORAGE_BUFFER;
 			u.binding = 2;
@@ -173,7 +152,9 @@ void process() {
 			uniforms.push_back(u);
 		}
 
-		particles_shader.base_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, 0);
+		uniforms.append_array(material_storage->get_default_sampler_uniforms(SAMPLERS_BINDING_FIRST_INDEX));
+
+		particles_shader.base_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, particles_shader.default_shader_rd, BASE_UNIFORM_SET);
 	}
 
 	{
@@ -1119,9 +1100,9 @@ void ParticlesStorage::_particles_process(Particles *p_particles, double p_delta
 	//todo should maybe compute all particle systems together?
 	RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
 	RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, m->shader_data->pipeline);
-	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, particles_shader.base_uniform_set, 0);
-	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->particles_material_uniform_set, 1);
-	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->collision_textures_uniform_set, 2);
+	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, particles_shader.base_uniform_set, BASE_UNIFORM_SET);
+	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->particles_material_uniform_set, MATERIAL_UNIFORM_SET);
+	RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_particles->collision_textures_uniform_set, COLLISION_TEXTURTES_UNIFORM_SET);
 
 	if (m->uniform_set.is_valid() && RD::get_singleton()->uniform_set_is_valid(m->uniform_set)) {
 		RD::get_singleton()->compute_list_bind_uniform_set(compute_list, m->uniform_set, 3);
diff --git a/servers/rendering/renderer_rd/storage_rd/particles_storage.h b/servers/rendering/renderer_rd/storage_rd/particles_storage.h
index 4f9253144e..612420a36c 100644
--- a/servers/rendering/renderer_rd/storage_rd/particles_storage.h
+++ b/servers/rendering/renderer_rd/storage_rd/particles_storage.h
@@ -53,6 +53,14 @@ private:
 
 	/* PARTICLES */
 
+	enum {
+		BASE_UNIFORM_SET,
+		MATERIAL_UNIFORM_SET,
+		COLLISION_TEXTURTES_UNIFORM_SET,
+	};
+
+	const int SAMPLERS_BINDING_FIRST_INDEX = 3;
+
 	struct ParticleData {
 		float xform[16];
 		float velocity[3];