- removed the Bind function from FFlatVertexBuffer.

This is not flexible enough. There was already one place where this was not supposed to go through the render state.
The new interface allows more general use of the contained buffer objects.

src/gl/renderer/gl_postprocess.cpp

@@ -30,6 +30,7 @@
 #include "m_png.h"
 #include "r_utility.h"
 #include "d_player.h"
+#include "gl/system/gl_buffers.h"
 #include "gl/system/gl_framebuffer.h"
 #include "hwrenderer/utility/hw_cvars.h"
 #include "gl/system/gl_debug.h"
@@ -56,8 +57,8 @@ namespace OpenGLRenderer
 
 void FGLRenderer::RenderScreenQuad()
 {
-	screen->mVertexData->Bind(gl_RenderState);
+	auto buffer = static_cast<GLVertexBuffer *>(screen->mVertexData->GetBufferObjects().first);
-	gl_RenderState.ApplyBuffers();
+	buffer->Bind(nullptr);
 	glDrawArrays(GL_TRIANGLE_STRIP, FFlatVertexBuffer::PRESENT_INDEX, 4);
 }
 

src/gl/renderer/gl_renderer.cpp

@@ -220,7 +220,7 @@ void FGLRenderer::UpdateShadowMap()
 
 sector_t *FGLRenderer::RenderView(player_t* player)
 {
-	screen->mVertexData->Bind(gl_RenderState);
+	gl_RenderState.SetVertexBuffer(screen->mVertexData);
 	screen->mVertexData->Reset();
 	sector_t *retsec;
 
@@ -344,7 +344,7 @@ void FGLRenderer::WriteSavePic (player_t *player, FileWriter *file, int width, i
     mBuffers = mSaveBuffers;
     
     P_FindParticleSubsectors();    // make sure that all recently spawned particles have a valid subsector.
-	screen->mVertexData->Bind(gl_RenderState);
+	gl_RenderState.SetVertexBuffer(screen->mVertexData);
 	screen->mVertexData->Reset();
     screen->mLights->Clear();
 	screen->mViewpoints->Clear();

src/gl/system/gl_buffers.cpp

@@ -186,7 +186,7 @@ void GLVertexBuffer::Bind(int *offsets)
 {
 	int i = 0;
 
-	// This is what gets called from RenderState.Apply. It shouldn't be called anywhere else.
+	// This is what gets called from RenderState.Apply. It shouldn't be called anywhere else if the render state is in use
 	GLBuffer::Bind();
 	for(auto &attrinf : mAttributeInfo)
 	{

src/hwrenderer/data/flatvertices.cpp

@@ -411,18 +411,6 @@ void FFlatVertexBuffer::Copy(int start, int count)
 //
 //==========================================================================
 
-void FFlatVertexBuffer::Bind(FRenderState &state)
-{
-	state.SetVertexBuffer(mVertexBuffer, 0, 0);
-	state.SetIndexBuffer(mIndexBuffer);
-}
-
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
 void FFlatVertexBuffer::CreateVBO()
 {
 	vbo_shadowdata.Resize(mNumReserved);

src/hwrenderer/data/flatvertices.h

@@ -103,7 +103,11 @@ public:
 	~FFlatVertexBuffer();
 
 	void OutputResized(int width, int height);
-	void Bind(FRenderState &state);
+	std::pair<IVertexBuffer *, IIndexBuffer *> GetBufferObjects() const 
+	{
+		return std::make_pair(mVertexBuffer, mIndexBuffer);
+	}
+
 	void CreateVBO();
 	void Copy(int start, int count);
 
@@ -147,6 +151,7 @@ protected:
 	void CheckPlanes(sector_t *sector);
 public:
 	void CheckUpdate(sector_t *sector);
+
 };
 
 #endif

src/hwrenderer/scene/hw_drawinfo.cpp

@@ -588,7 +588,7 @@ void HWDrawInfo::RenderPortal(HWPortal *p, FRenderState &state, bool usestencil)
 	state.SetLightIndex(-1);
 	gp->DrawContents(new_di, state);
 	new_di->EndDrawInfo();
-	screen->mVertexData->Bind(state);
+	state.SetVertexBuffer(screen->mVertexData);
 	screen->mViewpoints->Bind(state, vpIndex);
 	gp->RemoveStencil(this, state, usestencil);
 

src/hwrenderer/scene/hw_renderstate.h

@@ -457,6 +457,13 @@ public:
 		mIndexBuffer = ib;
 	}
 
+	template <class T> void SetVertexBuffer(T *buffer)
+	{
+		auto ptrs = buffer->GetBufferObjects(); 
+		SetVertexBuffer(ptrs.first, 0, 0);
+		SetIndexBuffer(ptrs.second);
+	}
+
 	void SetInterpolationFactor(float fac)
 	{
 		mInterpolationFactor = fac;

src/hwrenderer/scene/hw_sprites.cpp

@@ -271,7 +271,7 @@ void GLSprite::DrawSprite(HWDrawInfo *di, FRenderState &state, bool translucent)
 		{
 			FGLModelRenderer renderer(di, state, dynlightindex);
 			renderer.RenderModel(x, y, z, modelframe, actor, di->Viewpoint.TicFrac);
-			screen->mVertexData->Bind(state);
+			state.SetVertexBuffer(screen->mVertexData);
 		}
 	}
 

src/hwrenderer/scene/hw_weapon.cpp

@@ -81,7 +81,7 @@ void HWDrawInfo::DrawPSprite(HUDSprite *huds, FRenderState &state)
 
 		FGLModelRenderer renderer(this, state, huds->lightindex);
 		renderer.RenderHUDModel(huds->weapon, huds->mx, huds->my);
-		screen->mVertexData->Bind(state);
+		state.SetVertexBuffer(screen->mVertexData);
 	}
 	else
 	{

src/hwrenderer/utility/hw_draw2d.cpp

@@ -212,7 +212,7 @@ void Draw2D(F2DDrawer *drawer, FRenderState &state)
 	state.SetScissor(-1, -1, -1, -1);
 
 	state.SetRenderStyle(STYLE_Translucent);
-	screen->mVertexData->Bind(state);
+	state.SetVertexBuffer(screen->mVertexData);
 	state.EnableTexture(true);
 	state.EnableBrightmap(true);
 	state.SetTextureMode(TM_NORMAL);