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Add y-flipping for GL in image viewer

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* Conventionally images have an origin at the top left, opposite to GL, so we
  want to flip the same as the replay proxy using GL as a proxy renderer for a
  non-GL API.
This commit is contained in:
baldurk
2019-10-31 14:35:45 +00:00
parent bcc34fab0a
commit ba8d16ea1c
1 changed files with 11 additions and 0 deletions
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renderdoc/core/image_viewer.cpp
+11
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@@ -113,6 +113,13 @@ public:
void PickPixel(ResourceId texture, uint32_t x, uint32_t y, const Subresource &sub,
CompType typeCast, float pixel[4])
{
if(m_Props.localRenderer == GraphicsAPI::OpenGL)
{
TextureDescription tex = m_Proxy->GetTexture(texture);
uint32_t mipHeight = RDCMAX(1U, tex.height >> sub.mip);
y = (mipHeight - 1) - y;
}
m_Proxy->PickPixel(m_TextureID, x, y, sub, typeCast, pixel);
}
bool GetMinMax(ResourceId texid, const Subresource &sub, CompType typeCast, float *minval,
@@ -129,6 +136,10 @@ public:
{
if(cfg.resourceId != m_TextureID && cfg.resourceId != m_CustomTexID)
cfg.resourceId = m_TextureID;
if(m_Props.localRenderer == GraphicsAPI::OpenGL)
cfg.flipY = !cfg.flipY;
return m_Proxy->RenderTexture(cfg);
}
uint32_t PickVertex(uint32_t eventId, int32_t width, int32_t height, const MeshDisplay &cfg,