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opengl: avoid reallocations in EGLImage (#10960)

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use a std::array instead of vector and avoid reallocations.
it should at most be 49 entries, so make the array 50. and RASSERT check
it incase more entries gets added in the future.
This commit is contained in:
Tom Englund
2025-07-07 23:44:35 +02:00
committed by GitHub
parent bb958a9e13
commit 9856563f89
1 changed files with 24 additions and 21 deletions
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45
src/render/OpenGL.cpp
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@@ -517,14 +517,15 @@ void CHyprOpenGLImpl::initDRMFormats() {
}
EGLImageKHR CHyprOpenGLImpl::createEGLImage(const Aquamarine::SDMABUFAttrs& attrs) {
std::vector<uint32_t> attribs;
std::array<uint32_t, 50> attribs;
size_t idx = 0;
attribs.push_back(EGL_WIDTH);
attribs.push_back(attrs.size.x);
attribs.push_back(EGL_HEIGHT);
attribs.push_back(attrs.size.y);
attribs.push_back(EGL_LINUX_DRM_FOURCC_EXT);
attribs.push_back(attrs.format);
attribs[idx++] = EGL_WIDTH;
attribs[idx++] = attrs.size.x;
attribs[idx++] = EGL_HEIGHT;
attribs[idx++] = attrs.size.y;
attribs[idx++] = EGL_LINUX_DRM_FOURCC_EXT;
attribs[idx++] = attrs.format;
struct {
EGLint fd;
@@ -538,25 +539,27 @@ EGLImageKHR CHyprOpenGLImpl::createEGLImage(const Aquamarine::SDMABUFAttrs& attr
{EGL_DMA_BUF_PLANE2_FD_EXT, EGL_DMA_BUF_PLANE2_OFFSET_EXT, EGL_DMA_BUF_PLANE2_PITCH_EXT, EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT, EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT},
{EGL_DMA_BUF_PLANE3_FD_EXT, EGL_DMA_BUF_PLANE3_OFFSET_EXT, EGL_DMA_BUF_PLANE3_PITCH_EXT, EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT, EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT}};
for (int i = 0; i < attrs.planes; i++) {
attribs.push_back(attrNames[i].fd);
attribs.push_back(attrs.fds[i]);
attribs.push_back(attrNames[i].offset);
attribs.push_back(attrs.offsets[i]);
attribs.push_back(attrNames[i].pitch);
attribs.push_back(attrs.strides[i]);
for (int i = 0; i < attrs.planes; ++i) {
attribs[idx++] = attrNames[i].fd;
attribs[idx++] = attrs.fds[i];
attribs[idx++] = attrNames[i].offset;
attribs[idx++] = attrs.offsets[i];
attribs[idx++] = attrNames[i].pitch;
attribs[idx++] = attrs.strides[i];
if (m_hasModifiers && attrs.modifier != DRM_FORMAT_MOD_INVALID) {
attribs.push_back(attrNames[i].modlo);
attribs.push_back(attrs.modifier & 0xFFFFFFFF);
attribs.push_back(attrNames[i].modhi);
attribs.push_back(attrs.modifier >> 32);
attribs[idx++] = attrNames[i].modlo;
attribs[idx++] = static_cast<uint32_t>(attrs.modifier & 0xFFFFFFFF);
attribs[idx++] = attrNames[i].modhi;
attribs[idx++] = static_cast<uint32_t>(attrs.modifier >> 32);
}
}
attribs.push_back(EGL_IMAGE_PRESERVED_KHR);
attribs.push_back(EGL_TRUE);
attribs[idx++] = EGL_IMAGE_PRESERVED_KHR;
attribs[idx++] = EGL_TRUE;
attribs[idx++] = EGL_NONE;
attribs.push_back(EGL_NONE);
RASSERT(idx <= attribs.size(), "createEglImage: attribs array out of bounds.");
EGLImageKHR image = m_proc.eglCreateImageKHR(m_eglDisplay, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, nullptr, (int*)attribs.data());
if (image == EGL_NO_IMAGE_KHR) {