godot/drivers/gles3/storage/render_scene_buffers_gles3.cpp

104 lines
4.6 KiB
C++

/*************************************************************************/
/* render_scene_buffers_gles3.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#ifdef GLES3_ENABLED
#include "render_scene_buffers_gles3.h"
#include "texture_storage.h"
RenderSceneBuffersGLES3::~RenderSceneBuffersGLES3() {
free_render_buffer_data();
}
void RenderSceneBuffersGLES3::configure(RID p_render_target, const Size2i p_internal_size, const Size2i p_target_size, float p_fsr_sharpness, float p_texture_mipmap_bias, RS::ViewportMSAA p_msaa, RenderingServer::ViewportScreenSpaceAA p_screen_space_aa, bool p_use_taa, bool p_use_debanding, uint32_t p_view_count) {
GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton();
//internal_size.x = p_internal_size.x; // ignore for now
//internal_size.y = p_internal_size.y;
width = p_target_size.x;
height = p_target_size.y;
//fsr_sharpness = p_fsr_sharpness;
//texture_mipmap_bias = p_texture_mipmap_bias;
render_target = p_render_target;
//msaa = p_msaa;
//screen_space_aa = p_screen_space_aa;
//use_debanding = p_use_debanding;
//view_count = p_view_count;
free_render_buffer_data();
GLES3::RenderTarget *rt = texture_storage->get_render_target(p_render_target);
is_transparent = rt->is_transparent;
// framebuffer
glGenFramebuffers(1, &framebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
glBindTexture(GL_TEXTURE_2D, rt->color);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color, 0);
glGenTextures(1, &depth_texture);
glBindTexture(GL_TEXTURE_2D, depth_texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, rt->size.x, rt->size.y, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth_texture, 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_FRAMEBUFFER, texture_storage->system_fbo);
if (status != GL_FRAMEBUFFER_COMPLETE) {
free_render_buffer_data();
WARN_PRINT("Could not create 3D renderbuffer, status: " + texture_storage->get_framebuffer_error(status));
return;
}
}
void RenderSceneBuffersGLES3::free_render_buffer_data() {
if (depth_texture) {
glDeleteTextures(1, &depth_texture);
depth_texture = 0;
}
if (framebuffer) {
glDeleteFramebuffers(1, &framebuffer);
framebuffer = 0;
}
}
#endif // GLES3_ENABLED