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opengltexture: align all data to 16

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Fixes crash if frame is not aligned to 16. This should probably
be folded into the Frame class itself at some point.
This commit is contained in:
itsmattkc
2020-04-22 15:08:36 +10:00
parent 1d7c29c6d8
commit c8da59a45e
3 changed files with 57 additions and 13 deletions
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app/render/backend/opengl/opengltexture.cpp
+46 -9
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@@ -22,6 +22,7 @@
#include <QDateTime>
#include <QDebug>
#include <QtMath>
#include "openglrenderfunctions.h"
#include "render/pixelformat.h"
@@ -123,15 +124,51 @@ void OpenGLTexture::Upload(const void *data)
Bind();
created_ctx_->functions()->glTexSubImage2D(GL_TEXTURE_2D,
0,
0,
0,
width_,
height_,
OpenGLRenderFunctions::GetPixelFormat(format_),
OpenGLRenderFunctions::GetPixelType(format_),
data);
if (width_ % 16 != 0) {
// Align to a multiple of 16
// FIXME: We should probably fold linesizes into the Frame class proper for optimization
int new_width = qCeil(static_cast<double>(width_) / 16.0) * 16;
Frame f;
f.set_video_params(VideoRenderingParams(new_width, height_, format_));
f.allocate();
int src_linesize = PixelFormat::GetBufferSize(format_, width_, 1);
int dst_linesize = PixelFormat::GetBufferSize(format_, new_width, 1);
for (int i=0;i<height_;i++) {
memcpy(f.data() + (i*dst_linesize),
reinterpret_cast<const char*>(data) + i*src_linesize,
src_linesize);
}
created_ctx_->functions()->glPixelStorei(GL_UNPACK_ROW_LENGTH, new_width);
created_ctx_->functions()->glTexSubImage2D(GL_TEXTURE_2D,
0,
0,
0,
width_,
height_,
OpenGLRenderFunctions::GetPixelFormat(format_),
OpenGLRenderFunctions::GetPixelType(format_),
f.data());
created_ctx_->functions()->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
} else {
created_ctx_->functions()->glTexSubImage2D(GL_TEXTURE_2D,
0,
0,
0,
width_,
height_,
OpenGLRenderFunctions::GetPixelFormat(format_),
OpenGLRenderFunctions::GetPixelType(format_),
data);
}
Release();
}