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HostDisplay: Add texture dumping/saving support

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This commit is contained in:
Connor McLaughlin
2020-03-16 00:03:49 +10:00
parent b4153266a0
commit 2bb992a702
10 changed files with 256 additions and 3 deletions
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18
src/duckstation-qt/opengldisplaywidget.cpp
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@@ -164,6 +164,24 @@ void OpenGLDisplayWidget::UpdateTexture(HostDisplayTexture* texture, u32 x, u32
glBindTexture(GL_TEXTURE_2D, old_texture_binding);
}
bool OpenGLDisplayWidget::DownloadTexture(const void* texture_handle, u32 x, u32 y, u32 width, u32 height,
void* out_data, u32 out_data_stride)
{
GLint old_alignment = 0, old_row_length = 0;
glGetIntegerv(GL_PACK_ALIGNMENT, &old_alignment);
glGetIntegerv(GL_PACK_ROW_LENGTH, &old_row_length);
glPixelStorei(GL_PACK_ALIGNMENT, sizeof(u32));
glPixelStorei(GL_PACK_ROW_LENGTH, out_data_stride / sizeof(u32));
const GLuint texture = static_cast<GLuint>(reinterpret_cast<uintptr_t>(texture_handle));
GL::Texture::GetTextureSubImage(texture, 0, x, y, 0, width, height, 1, GL_RGBA, GL_UNSIGNED_BYTE,
height * out_data_stride, out_data);
glPixelStorei(GL_PACK_ALIGNMENT, old_alignment);
glPixelStorei(GL_PACK_ROW_LENGTH, old_row_length);
return true;
}
void OpenGLDisplayWidget::SetVSync(bool enabled)
{
// Window framebuffer has to be bound to call SetSwapInterval.