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#include "Texture.hpp"
#include "Renderer.hpp"
#include "../Compositor.hpp"
#include "../protocols/types/Buffer.hpp"
#include "../helpers/Format.hpp"
#include <cstring>
CTexture::CTexture() = default;
CTexture::~CTexture() {
if (!g_pCompositor || g_pCompositor->m_bIsShuttingDown || !g_pHyprRenderer)
return;
g_pHyprRenderer->makeEGLCurrent();
destroyTexture();
}
CTexture::CTexture(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size_, bool keepDataCopy) : m_iDrmFormat(drmFormat), m_bKeepDataCopy(keepDataCopy) {
createFromShm(drmFormat, pixels, stride, size_);
}
CTexture::CTexture(const Aquamarine::SDMABUFAttrs& attrs, void* image) {
createFromDma(attrs, image);
}
CTexture::CTexture(const SP<Aquamarine::IBuffer> buffer, bool keepDataCopy) : m_bKeepDataCopy(keepDataCopy) {
if (!buffer)
return;
m_bOpaque = buffer->opaque;
auto attrs = buffer->dmabuf();
if (!attrs.success) {
// attempt shm
auto shm = buffer->shm();
if (!shm.success) {
Debug::log(ERR, "Cannot create a texture: buffer has no dmabuf or shm");
return;
}
auto [pixelData, fmt, bufLen] = buffer->beginDataPtr(0);
m_iDrmFormat = fmt;
createFromShm(fmt, pixelData, bufLen, shm.size);
return;
}
auto image = g_pHyprOpenGL->createEGLImage(buffer->dmabuf());
if (!image) {
Debug::log(ERR, "Cannot create a texture: failed to create an EGLImage");
return;
}
createFromDma(attrs, image);
}
void CTexture::createFromShm(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size_) {
g_pHyprRenderer->makeEGLCurrent();
const auto format = NFormatUtils::getPixelFormatFromDRM(drmFormat);
ASSERT(format);
m_iType = format->withAlpha ? TEXTURE_RGBA : TEXTURE_RGBX;
m_vSize = size_;
allocate();
GLCALL(glBindTexture(GL_TEXTURE_2D, m_iTexID));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
#ifndef GLES2
if (format->flipRB) {
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED));
}
#endif
GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride / format->bytesPerBlock));
GLCALL(glTexImage2D(GL_TEXTURE_2D, 0, format->glInternalFormat ? format->glInternalFormat : format->glFormat, size_.x, size_.y, 0, format->glFormat, format->glType, pixels));
GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0));
GLCALL(glBindTexture(GL_TEXTURE_2D, 0));
if (m_bKeepDataCopy) {
m_vDataCopy.resize(stride * size_.y);
memcpy(m_vDataCopy.data(), pixels, stride * size_.y);
}
}
void CTexture::createFromDma(const Aquamarine::SDMABUFAttrs& attrs, void* image) {
if (!g_pHyprOpenGL->m_sProc.glEGLImageTargetTexture2DOES) {
Debug::log(ERR, "Cannot create a dmabuf texture: no glEGLImageTargetTexture2DOES");
return;
}
m_bOpaque = NFormatUtils::isFormatOpaque(attrs.format);
m_iTarget = GL_TEXTURE_2D;
m_iType = TEXTURE_RGBA;
m_vSize = attrs.size;
m_iType = NFormatUtils::isFormatOpaque(attrs.format) ? TEXTURE_RGBX : TEXTURE_RGBA;
allocate();
m_pEglImage = image;
GLCALL(glBindTexture(GL_TEXTURE_2D, m_iTexID));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
GLCALL(g_pHyprOpenGL->m_sProc.glEGLImageTargetTexture2DOES(m_iTarget, image));
GLCALL(glBindTexture(GL_TEXTURE_2D, 0));
}
void CTexture::update(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const CRegion& damage) {
g_pHyprRenderer->makeEGLCurrent();
const auto format = NFormatUtils::getPixelFormatFromDRM(drmFormat);
ASSERT(format);
glBindTexture(GL_TEXTURE_2D, m_iTexID);
auto rects = damage.copy().intersect(CBox{{}, m_vSize}).getRects();
#ifndef GLES2
if (format->flipRB) {
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE));
GLCALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED));
}
#endif
for (auto const& rect : rects) {
GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride / format->bytesPerBlock));
GLCALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, rect.x1));
GLCALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, rect.y1));
int width = rect.x2 - rect.x1;
int height = rect.y2 - rect.y1;
GLCALL(glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x1, rect.y1, width, height, format->glFormat, format->glType, pixels));
}
GLCALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0));
GLCALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
GLCALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
glBindTexture(GL_TEXTURE_2D, 0);
if (m_bKeepDataCopy) {
m_vDataCopy.resize(stride * m_vSize.y);
memcpy(m_vDataCopy.data(), pixels, stride * m_vSize.y);
}
}
void CTexture::destroyTexture() {
if (m_iTexID) {
GLCALL(glDeleteTextures(1, &m_iTexID));
m_iTexID = 0;
}
if (m_pEglImage)
g_pHyprOpenGL->m_sProc.eglDestroyImageKHR(g_pHyprOpenGL->m_pEglDisplay, m_pEglImage);
m_pEglImage = nullptr;
}
void CTexture::allocate() {
if (!m_iTexID)
GLCALL(glGenTextures(1, &m_iTexID));
}
const std::vector<uint8_t>& CTexture::dataCopy() {
return m_vDataCopy;
}
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