199 lines
7.8 KiB
C++
199 lines
7.8 KiB
C++
/**************************************************************************/
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/* utilities.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef UTILITIES_GLES3_H
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#define UTILITIES_GLES3_H
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#ifdef GLES3_ENABLED
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#include "servers/rendering/storage/utilities.h"
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#include "platform_config.h"
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#ifndef OPENGL_INCLUDE_H
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#include <GLES3/gl3.h>
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#else
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#include OPENGL_INCLUDE_H
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#endif
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namespace GLES3 {
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class Utilities : public RendererUtilities {
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private:
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static Utilities *singleton;
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struct ResourceAllocation {
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#ifdef DEV_ENABLED
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String name;
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#endif
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uint32_t size = 0;
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};
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HashMap<GLuint, ResourceAllocation> buffer_allocs_cache;
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HashMap<GLuint, ResourceAllocation> texture_allocs_cache;
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uint64_t buffer_mem_cache = 0;
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uint64_t texture_mem_cache = 0;
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public:
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static Utilities *get_singleton() { return singleton; }
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Utilities();
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~Utilities();
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// Buffer size is specified in bytes
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static Vector<uint8_t> buffer_get_data(GLenum p_target, GLuint p_buffer, uint32_t p_buffer_size);
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// Allocate memory with glBufferData. Does not handle resizing.
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_FORCE_INLINE_ void buffer_allocate_data(GLenum p_target, GLuint p_id, uint32_t p_size, const void *p_data, GLenum p_usage, String p_name = "") {
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glBufferData(p_target, p_size, p_data, p_usage);
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buffer_mem_cache += p_size;
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#ifdef DEV_ENABLED
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ERR_FAIL_COND_MSG(buffer_allocs_cache.has(p_id), "trying to allocate buffer with name " + p_name + " but ID already used by " + buffer_allocs_cache[p_id].name);
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#endif
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ResourceAllocation resource_allocation;
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resource_allocation.size = p_size;
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#ifdef DEV_ENABLED
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resource_allocation.name = p_name + ": " + itos((uint64_t)p_id);
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#endif
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buffer_allocs_cache[p_id] = resource_allocation;
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}
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_FORCE_INLINE_ void buffer_free_data(GLuint p_id) {
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ERR_FAIL_COND(!buffer_allocs_cache.has(p_id));
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glDeleteBuffers(1, &p_id);
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buffer_mem_cache -= buffer_allocs_cache[p_id].size;
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buffer_allocs_cache.erase(p_id);
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}
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// Records that data was allocated for state tracking purposes.
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_FORCE_INLINE_ void texture_allocated_data(GLuint p_id, uint32_t p_size, String p_name = "") {
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texture_mem_cache += p_size;
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#ifdef DEV_ENABLED
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ERR_FAIL_COND_MSG(texture_allocs_cache.has(p_id), "trying to allocate texture with name " + p_name + " but ID already used by " + texture_allocs_cache[p_id].name);
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#endif
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ResourceAllocation resource_allocation;
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resource_allocation.size = p_size;
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#ifdef DEV_ENABLED
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resource_allocation.name = p_name + ": " + itos((uint64_t)p_id);
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#endif
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texture_allocs_cache[p_id] = resource_allocation;
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}
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_FORCE_INLINE_ void texture_free_data(GLuint p_id) {
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ERR_FAIL_COND(!texture_allocs_cache.has(p_id));
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glDeleteTextures(1, &p_id);
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texture_mem_cache -= texture_allocs_cache[p_id].size;
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texture_allocs_cache.erase(p_id);
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}
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_FORCE_INLINE_ void texture_resize_data(GLuint p_id, uint32_t p_size) {
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ERR_FAIL_COND(!texture_allocs_cache.has(p_id));
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texture_mem_cache -= texture_allocs_cache[p_id].size;
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texture_mem_cache += p_size;
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texture_allocs_cache[p_id].size = p_size;
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}
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/* INSTANCES */
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virtual RS::InstanceType get_base_type(RID p_rid) const override;
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virtual bool free(RID p_rid) override;
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/* DEPENDENCIES */
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virtual void base_update_dependency(RID p_base, DependencyTracker *p_instance) override;
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/* VISIBILITY NOTIFIER */
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virtual RID visibility_notifier_allocate() override;
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virtual void visibility_notifier_initialize(RID p_notifier) override;
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virtual void visibility_notifier_free(RID p_notifier) override;
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virtual void visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) override;
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virtual void visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) override;
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virtual AABB visibility_notifier_get_aabb(RID p_notifier) const override;
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virtual void visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) override;
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/* TIMING */
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#define MAX_QUERIES 256
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#define FRAME_COUNT 3
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struct Frame {
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GLuint queries[MAX_QUERIES];
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TightLocalVector<String> timestamp_names;
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TightLocalVector<uint64_t> timestamp_cpu_values;
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uint32_t timestamp_count = 0;
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TightLocalVector<String> timestamp_result_names;
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TightLocalVector<uint64_t> timestamp_cpu_result_values;
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TightLocalVector<uint64_t> timestamp_result_values;
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uint32_t timestamp_result_count = 0;
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uint64_t index = 0;
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};
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const uint32_t max_timestamp_query_elements = MAX_QUERIES;
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Frame frames[FRAME_COUNT]; // Frames for capturing timestamps. We use 3 so we don't need to wait for commands to complete
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uint32_t frame = 0;
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virtual void capture_timestamps_begin() override;
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virtual void capture_timestamp(const String &p_name) override;
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virtual uint32_t get_captured_timestamps_count() const override;
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virtual uint64_t get_captured_timestamps_frame() const override;
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virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const override;
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virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const override;
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virtual String get_captured_timestamp_name(uint32_t p_index) const override;
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void _capture_timestamps_begin();
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void capture_timestamps_end();
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/* MISC */
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virtual void update_dirty_resources() override;
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virtual void set_debug_generate_wireframes(bool p_generate) override;
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virtual bool has_os_feature(const String &p_feature) const override;
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virtual void update_memory_info() override;
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virtual uint64_t get_rendering_info(RS::RenderingInfo p_info) override;
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virtual String get_video_adapter_name() const override;
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virtual String get_video_adapter_vendor() const override;
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virtual RenderingDevice::DeviceType get_video_adapter_type() const override;
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virtual String get_video_adapter_api_version() const override;
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virtual Size2i get_maximum_viewport_size() const override;
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};
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} // namespace GLES3
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#endif // GLES3_ENABLED
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#endif // UTILITIES_GLES3_H
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