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Renderer/CommandBuffer: Add support for texture blit/copy

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This commit is contained in:
Jérôme Leclercq
2021-12-03 22:15:34 +01:00
parent 53747abf6e
commit 17df8fafa4
12 changed files with 178 additions and 5 deletions
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8
src/Nazara/OpenGLRenderer/Wrapper/Context.cpp
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@@ -249,7 +249,7 @@ namespace Nz::GL
}
}
bool Context::BlitTexture(const Texture& source, const Texture& destination, const Boxui& srcBox, const Vector3ui& dstPos, SamplerFilter filter) const
bool Context::BlitTexture(const Texture& source, const Texture& destination, const Boxui& srcBox, const Boxui& dstBox, SamplerFilter filter) const
{
if (!m_blitFramebuffers && !InitializeBlitFramebuffers())
return false;
@@ -277,7 +277,7 @@ namespace Nz::GL
return false;
}
glBlitFramebuffer(srcBox.x, srcBox.y, srcBox.x + srcBox.width, srcBox.y + srcBox.height, dstPos.x, dstPos.y, dstPos.x + srcBox.width, dstPos.y + srcBox.height, GL_COLOR_BUFFER_BIT, ToOpenGL(filter));
glBlitFramebuffer(srcBox.x, srcBox.y, srcBox.x + srcBox.width, srcBox.y + srcBox.height, dstBox.x, dstBox.y, dstBox.x + dstBox.width, dstBox.y + srcBox.height, GL_COLOR_BUFFER_BIT, ToOpenGL(filter));
return true;
}
@@ -296,7 +296,7 @@ namespace Nz::GL
bool Context::CopyTexture(const Texture& source, const Texture& destination, const Boxui& srcBox, const Vector3ui& dstPos) const
{
// Use glCopyImageSubData if available
if (glCopyImageSubData && false)
if (glCopyImageSubData)
{
GLuint srcImage = source.GetObjectId();
GLenum srcTarget = ToOpenGL(source.GetTarget());
@@ -310,7 +310,7 @@ namespace Nz::GL
else
{
// If glCopyImageSubData is not available, fallback to framebuffer blit
return BlitTexture(source, destination, srcBox, dstPos, SamplerFilter::Nearest);
return BlitTexture(source, destination, srcBox, Boxui(dstPos.x, dstPos.y, dstPos.z, srcBox.width, srcBox.height, srcBox.depth), SamplerFilter::Nearest);
}
}