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Graphics/Widgets: Add support for scissoring

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This commit is contained in:
Jérôme Leclercq
2021-12-01 20:26:33 +01:00
parent a483e16e15
commit 61779d1cad
21 changed files with 137 additions and 35 deletions
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16
include/Nazara/Graphics/RenderSpriteChain.inl
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@@ -4,11 +4,12 @@
#include <Nazara/Graphics/RenderSpriteChain.hpp>
#include <Nazara/Graphics/Algorithm.hpp>
#include <Nazara/Graphics/MaterialPass.hpp>
#include <Nazara/Graphics/Debug.hpp>
namespace Nz
{
inline RenderSpriteChain::RenderSpriteChain(int renderLayer, std::shared_ptr<MaterialPass> materialPass, std::shared_ptr<RenderPipeline> renderPipeline, const WorldInstance& worldInstance, std::shared_ptr<VertexDeclaration> vertexDeclaration, std::shared_ptr<Texture> textureOverlay, std::size_t spriteCount, const void* spriteData) :
inline RenderSpriteChain::RenderSpriteChain(int renderLayer, std::shared_ptr<MaterialPass> materialPass, std::shared_ptr<RenderPipeline> renderPipeline, const WorldInstance& worldInstance, std::shared_ptr<VertexDeclaration> vertexDeclaration, std::shared_ptr<Texture> textureOverlay, std::size_t spriteCount, const void* spriteData, const Recti& scissorBox) :
RenderElement(BasicRenderElement::SpriteChain),
m_materialPass(std::move(materialPass)),
m_renderPipeline(std::move(renderPipeline)),
@@ -17,6 +18,7 @@ namespace Nz
m_spriteCount(spriteCount),
m_spriteData(spriteData),
m_worldInstance(worldInstance),
m_scissorBox(scissorBox),
m_renderLayer(renderLayer)
{
}
@@ -34,8 +36,9 @@ namespace Nz
// Transparent RQ index:
// - Layer (8bits)
// - Transparent flag (1bit)
// - Distance to near plane (32bits)
// - Sorted by distance flag (1bit)
// - Distance to near plane (32bits) - could by reduced to 24 or even 16 if required
// - ?? (23bits)
return (layerIndex & 0xFF) << 60 |
(matFlags) << 52 |
@@ -53,7 +56,7 @@ namespace Nz
// Opaque RQ index:
// - Layer (8bits)
// - Transparent flag (1bit)
// - Sorted by distance flag (1bit)
// - Element type (4bits)
// - Pipeline (16bits)
// - MaterialPass (16bits)
@@ -79,6 +82,11 @@ namespace Nz
return *m_renderPipeline;
}
inline const Recti& RenderSpriteChain::GetScissorBox() const
{
return m_scissorBox;
}
inline std::size_t RenderSpriteChain::GetSpriteCount() const
{
return m_spriteCount;