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Adding outdated source code into master

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IlushaShurupov 2023-08-20 11:27:47 +03:00
parent 5cf467a421
commit 2810e06b3e
27 changed files with 6854 additions and 0 deletions
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116
.outdated/graphics/src/fbuffer.cpp Normal file
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#include "fbuffer.h"
#include "GraphicsLibApi.h"
void glerr(GLenum type);
#define AssertGL(x) { x; GLenum __gle = glGetError(); if (__gle != GL_NO_ERROR) glerr(__gle); }
namespace tp {
using namespace glw;
fbuffer::fbuffer(const vec2f& size) : mSize(size) {
mDrawBuffers[0] = {GL_COLOR_ATTACHMENT0};
// --------- texture ---------
AssertGL(glGenTextures(1, &mTextureId));
AssertGL(glBindTexture(GL_TEXTURE_2D, mTextureId));
// Give an empty image to OpenGL ( the last "0" )
AssertGL(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)size.x, (GLsizei)size.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0));
// Poor filtering. Needed
AssertGL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
AssertGL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
// --------- depth ---------
AssertGL(glGenRenderbuffers(1, &mDepthBufferID));
AssertGL(glBindRenderbuffer(GL_RENDERBUFFER, mDepthBufferID));
AssertGL(glRenderbufferStorage(GL_RENDERBUFFER, GLW_CONTEXT_DEPTH_COMPONENT, (GLsizei)size.x, (GLsizei)size.y));
// ------------ framebuffer ------------
AssertGL(glGenFramebuffers(1, &mFrameBufferID));
AssertGL(glBindFramebuffer(GL_FRAMEBUFFER, mFrameBufferID));
AssertGL(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepthBufferID));
// Set "renderedTexture" as our colour attachement #0
AssertGL(glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, mTextureId, 0));
// Set the list of draw buffers.
AssertGL(glDrawBuffers(1, mDrawBuffers)); // "1" is the size of DrawBuffers
assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
fbuffer::fbuffer(const vec2f& size, tp::uint1 samples) : mSize(size) {
mDrawBuffers[0] = { GL_COLOR_ATTACHMENT0 };
// ------- texture ---------
AssertGL(glGenTextures(1, &mTextureId));
AssertGL(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, mTextureId));
#ifdef ENV_OS_ANDROID
AssertGL(glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, samples, GL_RGBA, (GLsizei)size.x, (GLsizei)size.y, GL_TRUE));
#else
AssertGL(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, samples, GL_RGBA, (GLsizei)size.x, (GLsizei)size.y, GL_TRUE));
#endif
// !?
//AssertGL(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
//AssertGL(glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
// ------- depth -------
AssertGL(glGenRenderbuffers(1, &mDepthBufferID));
AssertGL(glBindRenderbuffer(GL_RENDERBUFFER, mDepthBufferID));
AssertGL(glRenderbufferStorageMultisample(GL_RENDERBUFFER, samples, GLW_CONTEXT_DEPTH_COMPONENT, (GLsizei)size.x, (GLsizei)size.y));
// ------- fbuff -------
AssertGL(glGenFramebuffers(1, &mFrameBufferID));
AssertGL(glBindFramebuffer(GL_FRAMEBUFFER, mFrameBufferID));
AssertGL(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, mTextureId, 0));
AssertGL(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepthBufferID));
AssertGL(glDrawBuffers(1, mDrawBuffers));
assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
tp::uint4 fbuffer::buffId() const {
return mFrameBufferID;
}
void fbuffer::beginDraw() {
AssertGL(glBindFramebuffer(GL_FRAMEBUFFER, mFrameBufferID));
setViewport({ 0.f, 0.f, mSize.x, mSize.y });
}
void fbuffer::setViewport(const rectf& viewport) {
AssertGL(glViewport((GLsizei)viewport.x, (GLsizei)viewport.y, (GLsizei)viewport.z, (GLsizei)viewport.w));
}
void fbuffer::clear() {
AssertGL(glClearColor(mClearCol.r, mClearCol.g, mClearCol.b, mClearCol.a));
AssertGL(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT));
}
void fbuffer::endDraw() {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearColor(0, 0, 0, 0);
glUseProgram(0);
}
fbuffer::~fbuffer() {
glDeleteFramebuffers(1, &mFrameBufferID);
glDeleteTextures(1, &mTextureId);
glDeleteRenderbuffers(1, &mDepthBufferID);
}
uhalni glw::fbuffer::sizeAllocatedMem() const {
return uhalni(sizeof(GLenum) * 4 + mSize.sizeAllocatedMem() + (sizeof(mClearCol) + 1) * (alni) mSize.x * (alni) mSize.y);
}
uhalni glw::fbuffer::sizeUsedMem() const {
return sizeAllocatedMem();
}
uint4 glw::fbuffer::texId() const {
return mTextureId;
}
const vec2f& fbuffer::getSize() const { return mSize; }
};