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- added a few more GL state wrappers to the render state.

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This commit is contained in:
Christoph Oelckers 2018-10-29 09:41:26 +01:00
parent f6d9592a45
commit 163d6be0d7
3 changed files with 97 additions and 1 deletions
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76
src/gl/renderer/gl_renderstate.cpp
View file

@ -478,6 +478,82 @@ void FGLRenderState::EnableClipDistance(int num, bool state)
}
}
void FGLRenderState::Clear(int targets)
{
// This always clears to default values.
int gltarget = 0;
if (targets & CT_Depth)
{
gltarget |= GL_DEPTH_BUFFER_BIT;
glClearDepth(1);
}
if (targets & CT_Stencil)
{
gltarget |= GL_STENCIL_BUFFER_BIT;
glClearStencil(0);
}
if (targets & CT_Color)
{
gltarget |= GL_COLOR_BUFFER_BIT;
glClearColor(screen->mSceneClearColor[0], screen->mSceneClearColor[1], screen->mSceneClearColor[2], screen->mSceneClearColor[3]);
}
glClear(gltarget);
}
void FGLRenderState::EnableStencil(bool on)
{
if (on)
{
glEnable(GL_STENCIL_TEST);
}
else
{
glDisable(GL_STENCIL_TEST);
}
}
void FGLRenderState::SetScissor(int x, int y, int w, int h)
{
if (w > -1)
{
glEnable(GL_SCISSOR_TEST);
glScissor(x, y, w, h);
}
else
{
glDisable(GL_SCISSOR_TEST);
}
}
void FGLRenderState::SetViewport(int x, int y, int w, int h)
{
glViewport(x, y, w, h);
}
void FGLRenderState::EnableDepthTest(bool on)
{
if (on)
{
glEnable(GL_DEPTH_TEST);
}
else
{
glDisable(GL_DEPTH_TEST);
}
}
void FGLRenderState::EnableMultisampling(bool on)
{
if (on)
{
glEnable(GL_MULTISAMPLE);
}
else
{
glDisable(GL_MULTISAMPLE);
}
}
//==========================================================================
//
//

6
src/gl/renderer/gl_renderstate.h
View file

@ -153,6 +153,12 @@ public:
void SetStencil(int offs, int op, int flags) override;
void SetCulling(int mode) override;
void EnableClipDistance(int num, bool state) override;
void Clear(int targets) override;
void EnableStencil(bool on) override;
void SetScissor(int x, int y, int w, int h) override;
void SetViewport(int x, int y, int w, int h) override;
void EnableDepthTest(bool on) override;
void EnableMultisampling(bool on) override;
};

16
src/hwrenderer/scene/hw_renderstate.h
View file

@ -12,7 +12,14 @@ struct FColormap;
class IVertexBuffer;
class IIndexBuffer;
enum EEffect
enum EClearTarget
{
CT_Depth,
CT_Stencil,
CT_Color
};
enum ERenderEffect
{
EFF_NONE = -1,
EFF_FOGBOUNDARY,
@ -440,6 +447,13 @@ public:
virtual void SetStencil(int offs, int op, int flags) = 0;
virtual void SetCulling(int mode) = 0;
virtual void EnableClipDistance(int num, bool state) = 0;
virtual void Clear(int targets) = 0;
virtual void EnableStencil(bool on) = 0;
virtual void SetScissor(int x, int y, int w, int h) = 0;
virtual void SetViewport(int x, int y, int w, int h) = 0;
virtual void EnableDepthTest(bool on) = 0;
virtual void EnableMultisampling(bool on) = 0;
};