RenderingServer reorganization

1 files changed, 96 insertions, 0 deletions

diff --git a/servers/rendering/renderer_rd/pipeline_cache_rd.h b/servers/rendering/renderer_rd/pipeline_cache_rd.h
new file mode 100644
index 0000000000..2f91c3c3b5
--- /dev/null
+++ b/servers/rendering/renderer_rd/pipeline_cache_rd.h
@@ -0,0 +1,96 @@
+/*************************************************************************/
+/*  pipeline_cache_rd.h                                                  */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef PIPELINE_CACHE_RD_H
+#define PIPELINE_CACHE_RD_H
+
+#include "core/os/spin_lock.h"
+#include "servers/rendering/rendering_device.h"
+
+class PipelineCacheRD {
+	SpinLock spin_lock;
+
+	RID shader;
+	uint32_t input_mask;
+
+	RD::RenderPrimitive render_primitive;
+	RD::PipelineRasterizationState rasterization_state;
+	RD::PipelineMultisampleState multisample_state;
+	RD::PipelineDepthStencilState depth_stencil_state;
+	RD::PipelineColorBlendState blend_state;
+	int dynamic_state_flags;
+
+	struct Version {
+		RD::VertexFormatID vertex_id;
+		RD::FramebufferFormatID framebuffer_id;
+		bool wireframe;
+		RID pipeline;
+	};
+
+	Version *versions;
+	uint32_t version_count;
+
+	RID _generate_version(RD::VertexFormatID p_vertex_format_id, RD::FramebufferFormatID p_framebuffer_format_id, bool p_wireframe);
+
+	void _clear();
+
+public:
+	void setup(RID p_shader, RD::RenderPrimitive p_primitive, const RD::PipelineRasterizationState &p_rasterization_state, RD::PipelineMultisampleState p_multisample, const RD::PipelineDepthStencilState &p_depth_stencil_state, const RD::PipelineColorBlendState &p_blend_state, int p_dynamic_state_flags = 0);
+	void update_shader(RID p_shader);
+
+	_FORCE_INLINE_ RID get_render_pipeline(RD::VertexFormatID p_vertex_format_id, RD::FramebufferFormatID p_framebuffer_format_id, bool p_wireframe = false) {
+#ifdef DEBUG_ENABLED
+		ERR_FAIL_COND_V_MSG(shader.is_null(), RID(),
+				"Attempted to use an unused shader variant (shader is null),");
+#endif
+
+		spin_lock.lock();
+		RID result;
+		for (uint32_t i = 0; i < version_count; i++) {
+			if (versions[i].vertex_id == p_vertex_format_id && versions[i].framebuffer_id == p_framebuffer_format_id && versions[i].wireframe == p_wireframe) {
+				result = versions[i].pipeline;
+				spin_lock.unlock();
+				return result;
+			}
+		}
+		result = _generate_version(p_vertex_format_id, p_framebuffer_format_id, p_wireframe);
+		spin_lock.unlock();
+		return result;
+	}
+
+	_FORCE_INLINE_ uint32_t get_vertex_input_mask() const {
+		return input_mask;
+	}
+	void clear();
+	PipelineCacheRD();
+	~PipelineCacheRD();
+};
+
+#endif // RENDER_PIPELINE_CACHE_RD_H