godot/drivers/gles3/storage/utilities.h

236 lines
9.1 KiB
C++

/**************************************************************************/
/* utilities.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 UTILITIES_GLES3_H
#define UTILITIES_GLES3_H
#ifdef GLES3_ENABLED
#include "servers/rendering/storage/utilities.h"
#include "platform_gl.h"
namespace GLES3 {
/* VISIBILITY NOTIFIER */
struct VisibilityNotifier {
AABB aabb;
Callable enter_callback;
Callable exit_callback;
Dependency dependency;
};
class Utilities : public RendererUtilities {
private:
static Utilities *singleton;
/* VISIBILITY NOTIFIER */
mutable RID_Owner<VisibilityNotifier> visibility_notifier_owner;
/* MISC */
struct ResourceAllocation {
#ifdef DEV_ENABLED
String name;
#endif
uint32_t size = 0;
};
HashMap<GLuint, ResourceAllocation> buffer_allocs_cache;
HashMap<GLuint, ResourceAllocation> render_buffer_allocs_cache;
HashMap<GLuint, ResourceAllocation> texture_allocs_cache;
uint64_t buffer_mem_cache = 0;
uint64_t render_buffer_mem_cache = 0;
uint64_t texture_mem_cache = 0;
public:
static Utilities *get_singleton() { return singleton; }
Utilities();
~Utilities();
// Buffer size is specified in bytes
static Vector<uint8_t> buffer_get_data(GLenum p_target, GLuint p_buffer, uint32_t p_buffer_size);
// Allocate memory with glBufferData. Does not handle resizing.
_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 = "") {
glBufferData(p_target, p_size, p_data, p_usage);
buffer_mem_cache += p_size;
#ifdef DEV_ENABLED
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);
#endif
ResourceAllocation resource_allocation;
resource_allocation.size = p_size;
#ifdef DEV_ENABLED
resource_allocation.name = p_name + ": " + itos((uint64_t)p_id);
#endif
buffer_allocs_cache[p_id] = resource_allocation;
}
_FORCE_INLINE_ void buffer_free_data(GLuint p_id) {
ERR_FAIL_COND(!buffer_allocs_cache.has(p_id));
glDeleteBuffers(1, &p_id);
buffer_mem_cache -= buffer_allocs_cache[p_id].size;
buffer_allocs_cache.erase(p_id);
}
_FORCE_INLINE_ void render_buffer_allocated_data(GLuint p_id, uint32_t p_size, String p_name = "") {
render_buffer_mem_cache += p_size;
#ifdef DEV_ENABLED
ERR_FAIL_COND_MSG(render_buffer_allocs_cache.has(p_id), "trying to allocate render buffer with name " + p_name + " but ID already used by " + render_buffer_allocs_cache[p_id].name);
#endif
ResourceAllocation resource_allocation;
resource_allocation.size = p_size;
#ifdef DEV_ENABLED
resource_allocation.name = p_name + ": " + itos((uint64_t)p_id);
#endif
render_buffer_allocs_cache[p_id] = resource_allocation;
}
_FORCE_INLINE_ void render_buffer_free_data(GLuint p_id) {
ERR_FAIL_COND(!render_buffer_allocs_cache.has(p_id));
glDeleteRenderbuffers(1, &p_id);
render_buffer_mem_cache -= render_buffer_allocs_cache[p_id].size;
render_buffer_allocs_cache.erase(p_id);
}
// Records that data was allocated for state tracking purposes.
// Size is measured in bytes.
_FORCE_INLINE_ void texture_allocated_data(GLuint p_id, uint32_t p_size, String p_name = "") {
texture_mem_cache += p_size;
#ifdef DEV_ENABLED
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);
#endif
ResourceAllocation resource_allocation;
resource_allocation.size = p_size;
#ifdef DEV_ENABLED
resource_allocation.name = p_name + ": " + itos((uint64_t)p_id);
#endif
texture_allocs_cache[p_id] = resource_allocation;
}
_FORCE_INLINE_ void texture_free_data(GLuint p_id) {
ERR_FAIL_COND(!texture_allocs_cache.has(p_id));
glDeleteTextures(1, &p_id);
texture_mem_cache -= texture_allocs_cache[p_id].size;
texture_allocs_cache.erase(p_id);
}
_FORCE_INLINE_ void texture_resize_data(GLuint p_id, uint32_t p_size) {
ERR_FAIL_COND(!texture_allocs_cache.has(p_id));
texture_mem_cache -= texture_allocs_cache[p_id].size;
texture_mem_cache += p_size;
texture_allocs_cache[p_id].size = p_size;
}
/* INSTANCES */
virtual RS::InstanceType get_base_type(RID p_rid) const override;
virtual bool free(RID p_rid) override;
/* DEPENDENCIES */
virtual void base_update_dependency(RID p_base, DependencyTracker *p_instance) override;
/* VISIBILITY NOTIFIER */
VisibilityNotifier *get_visibility_notifier(RID p_rid) { return visibility_notifier_owner.get_or_null(p_rid); };
bool owns_visibility_notifier(RID p_rid) const { return visibility_notifier_owner.owns(p_rid); };
virtual RID visibility_notifier_allocate() override;
virtual void visibility_notifier_initialize(RID p_notifier) override;
virtual void visibility_notifier_free(RID p_notifier) override;
virtual void visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) override;
virtual void visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) override;
virtual AABB visibility_notifier_get_aabb(RID p_notifier) const override;
virtual void visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) override;
/* TIMING */
#define MAX_QUERIES 256
#define FRAME_COUNT 3
struct Frame {
GLuint queries[MAX_QUERIES];
TightLocalVector<String> timestamp_names;
TightLocalVector<uint64_t> timestamp_cpu_values;
uint32_t timestamp_count = 0;
TightLocalVector<String> timestamp_result_names;
TightLocalVector<uint64_t> timestamp_cpu_result_values;
TightLocalVector<uint64_t> timestamp_result_values;
uint32_t timestamp_result_count = 0;
uint64_t index = 0;
};
const uint32_t max_timestamp_query_elements = MAX_QUERIES;
Frame frames[FRAME_COUNT]; // Frames for capturing timestamps. We use 3 so we don't need to wait for commands to complete
uint32_t frame = 0;
virtual void capture_timestamps_begin() override;
virtual void capture_timestamp(const String &p_name) override;
virtual uint32_t get_captured_timestamps_count() const override;
virtual uint64_t get_captured_timestamps_frame() const override;
virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const override;
virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const override;
virtual String get_captured_timestamp_name(uint32_t p_index) const override;
void _capture_timestamps_begin();
void capture_timestamps_end();
/* MISC */
virtual void update_dirty_resources() override;
virtual void set_debug_generate_wireframes(bool p_generate) override;
virtual bool has_os_feature(const String &p_feature) const override;
virtual void update_memory_info() override;
virtual uint64_t get_rendering_info(RS::RenderingInfo p_info) override;
virtual String get_video_adapter_name() const override;
virtual String get_video_adapter_vendor() const override;
virtual RenderingDevice::DeviceType get_video_adapter_type() const override;
virtual String get_video_adapter_api_version() const override;
virtual Size2i get_maximum_viewport_size() const override;
};
} // namespace GLES3
#endif // GLES3_ENABLED
#endif // UTILITIES_GLES3_H