Add support for batching vertices with custom indices.

Fix compiler warnings.

4 files changed, 76 insertions, 11 deletions

diff --git a/smelt/sdl/gfx_sdl.cpp b/smelt/sdl/gfx_sdl.cpp
index 4e80a38..f0dca92 100644
--- a/smelt/sdl/gfx_sdl.cpp
+++ b/smelt/sdl/gfx_sdl.cpp
@@ -217,6 +217,70 @@ void SMELT_IMPL::smDrawVertArray(int prim,SMTEX texture,int blend,int _primcnt)
 	if(primBlend!=blend)setBlend(blend);
 	primcnt=primcnt;
 }
+void SMELT_IMPL::smDrawCustomIndexedVertices(smVertex* vb,WORD* ib,int vbc,int ibc,int blend,SMTEX texture)
+{
+	if(vertexArray)
+	{
+		batchOGL();
+		pOpenGLDevice->glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER,0);
+		pOpenGLDevice->glVertexPointer(3,GL_FLOAT,sizeof(smVertex),&vb[0].x);
+		pOpenGLDevice->glColorPointer(4,GL_UNSIGNED_BYTE,sizeof(smVertex),&vb[0].col);
+		pOpenGLDevice->glTexCoordPointer(2,GL_FLOAT,sizeof(smVertex),&vb[0].tx);
+
+		float twm=1.,thm=1.;
+		if(texture)
+		{
+			if(filtermode==TFLT_NEAREST)
+			{
+				pOpenGLDevice->glTexParameteri(pOpenGLDevice->TextureTarget,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
+				pOpenGLDevice->glTexParameteri(pOpenGLDevice->TextureTarget,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
+			}
+			if(filtermode==TFLT_LINEAR)
+			{
+				pOpenGLDevice->glTexParameteri(pOpenGLDevice->TextureTarget,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
+				pOpenGLDevice->glTexParameteri(pOpenGLDevice->TextureTarget,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
+			}
+			glTexture *ptex=(glTexture*)texture;
+			if(pOpenGLDevice->TextureTarget==GL_TEXTURE_RECTANGLE_ARB)
+			{twm=ptex->rw;thm=ptex->rh;}
+			else if(ptex->dw&&ptex->dh)
+			{
+				twm=(ptex->rw)/(float)(ptex->dw);
+				thm=(ptex->rh)/(float)(ptex->dh);
+			}
+		}
+		if(!tdmode)
+		{
+			float h=curTarget?curTarget->h:scrh;
+			for(int i=0;i<vbc;++i)
+			{
+				vertexArray[i].y=h-vertexArray[i].y;
+				vertexArray[i].z=-vertexArray[i].z;
+			}
+		}
+		for(int i=0;i<vbc;++i)
+		{
+			vb[i].tx*=twm;
+			vb[i].ty=(1.-vb[i].ty)*thm;
+			DWORD color=vb[i].col;
+			BYTE *col=(BYTE*)&vb[i].col;
+			BYTE a=((color>>24)&0xFF);
+			BYTE r=((color>>16)&0xFF);
+			BYTE g=((color>> 8)&0xFF);
+			BYTE b=((color>> 0)&0xFF);
+			col[0]=r;col[1]=g;
+			col[2]=b;col[3]=a;
+		}
+		if(texture!=primTex)bindTexture((glTexture*)texture);
+		if(blend!=primBlend)setBlend(blend);
+		pOpenGLDevice->glDrawElements(GL_TRIANGLES,ibc,GL_UNSIGNED_SHORT,ib);
+
+		pOpenGLDevice->glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER,IndexBufferObject);
+		pOpenGLDevice->glVertexPointer(3,GL_FLOAT,sizeof(smVertex),&vertexBuf[0].x);
+		pOpenGLDevice->glColorPointer(4,GL_UNSIGNED_BYTE,sizeof(smVertex),&vertexBuf[0].col);
+		pOpenGLDevice->glTexCoordPointer(2,GL_FLOAT,sizeof(smVertex),&vertexBuf[0].tx);
+	}
+}
 SMTRG SMELT_IMPL::smTargetCreate(int w,int h)
 {
 	bool ok=false;
@@ -683,8 +747,8 @@ void SMELT_IMPL::batchOGL(bool endScene)
 				pOpenGLDevice->glDrawArrays(GL_TRIANGLES,0,3*primcnt);
 			break;
 			case PRIM_QUADS:
-				pOpenGLDevice->glDrawElements(GL_TRIANGLES,6*primcnt,GL_UNSIGNED_SHORT,indexBuf);
-				if(false)
+				pOpenGLDevice->glDrawElements(GL_TRIANGLES,6*primcnt,GL_UNSIGNED_SHORT,pOpenGLDevice->have_GL_ARB_vertex_buffer_object?0:indexBuf);
+#if 0
 				for (int i=0;i<primcnt*6;i+=3)
 				{
 					printf("idxbuf:%d\n",indexBuf[i]);
@@ -695,6 +759,7 @@ void SMELT_IMPL::batchOGL(bool endScene)
 					printf("#%d: ",indexBuf[i+2]);printVertex(vertexBuf[indexBuf[i+2]]);
 #undef printVertex
 				}
+#endif
 			break;
 		}
 		primcnt=0;
@@ -905,7 +970,6 @@ bool SMELT_IMPL::confOGL()
 		pOpenGLDevice->glGenBuffersARB(1,&IndexBufferObject);
 		pOpenGLDevice->glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER,IndexBufferObject);
 		pOpenGLDevice->glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*((VERTEX_BUFFER_SIZE*6)/4),indexBuf,GL_STATIC_DRAW);
-		delete[] indexBuf;indexBuf=NULL;
 	}
 	pOpenGLDevice->glVertexPointer(3,GL_FLOAT,sizeof(smVertex),&vertexBuf[0].x);
 	pOpenGLDevice->glColorPointer(4,GL_UNSIGNED_BYTE,sizeof(smVertex),&vertexBuf[0].col);
diff --git a/smelt/sdl/makefile b/smelt/sdl/makefile
index 28a3629..fc513d5 100644
--- a/smelt/sdl/makefile
+++ b/smelt/sdl/makefile
@@ -1,5 +1,5 @@
 CC= g++
-CXXFLAGS= -c -g -std=c++11 -Wall -I/usr/include/SDL/ -I../include -D_LINUX -fPIC
+CXXFLAGS= -c -g -O2 -std=c++11 -Wall -I/usr/include/SDL/ -I../include -D_LINUX -fPIC
 
 all: objects-normal archive-normal
 
diff --git a/smelt/sdl/smelt_internal.hpp b/smelt/sdl/smelt_internal.hpp
index b786ee6..7825f51 100644
--- a/smelt/sdl/smelt_internal.hpp
+++ b/smelt/sdl/smelt_internal.hpp
@@ -154,6 +154,7 @@ public:
 	virtual void smRenderQuad(smQuad *q);
 	virtual smVertex* smGetVertArray();
 	virtual void smDrawVertArray(int prim,SMTEX texture,int blend,int _primcnt);
+	virtual void smDrawCustomIndexedVertices(smVertex* vb,WORD* ib,int vbc,int ibc,int blend,SMTEX texture);
 
 	virtual SMTRG smTargetCreate(int w,int h);
 	virtual SMTEX smTargetTexture(SMTRG targ);
diff --git a/smelt/sdl/sys_sdl.cpp b/smelt/sdl/sys_sdl.cpp
index 427b1bf..b33d71b 100644
--- a/smelt/sdl/sys_sdl.cpp
+++ b/smelt/sdl/sys_sdl.cpp
@@ -53,7 +53,7 @@ bool SMELT_IMPL::smInit()
 	unsigned int nExIds=CPUInfo[0];
 	char *cpuName,*loced;cpuName=calloc(0x40,sizeof(char));loced=cpuName;
 	for(unsigned int i=0x80000000;i<=nExIds;++i)
-    {
+	{
 		__cpuid(CPUInfo, i);
 		if(i==0x80000002)
 			memcpy(cpuName,CPUInfo,sizeof(CPUInfo));
@@ -69,17 +69,17 @@ bool SMELT_IMPL::smInit()
 	GlobalMemoryStatus(&mem_st);
 	smLog("%s:" SLINE ": Memory: %ldK total, %ldK free\n", SYS_SDL_SRCFN,mem_st.dwTotalPhys/1024L,mem_st.dwAvailPhys/1024L);
 #else
-	system("uname -svm > os.out");
-	char osv[100];FILE* a=fopen("os.out","r");fgets(osv,100,a);fclose(a);
+	system("uname -svm > /tmp/os.out");
+	char osv[100];FILE* a=fopen("/tmp/os.out","r");fgets(osv,100,a);fclose(a);
 	osv[strlen(osv)-1]='\0';
 	smLog("%s:" SLINE ": OS: %s\n",SYS_SDL_SRCFN,osv);
-	system("rm os.out");
+	system("rm /tmp/os.out");
 
-	system("cat /proc/cpuinfo | grep name -m 1 > cpu.out");
-	a=fopen("cpu.out","r");fgets(osv,100,a);fclose(a);
+	system("cat /proc/cpuinfo | grep name -m 1 > /tmp/cpu.out");
+	a=fopen("/tmp/cpu.out","r");fgets(osv,100,a);fclose(a);
 	osv[strlen(osv)-1]='\0';char *ptr=osv;while(*ptr!=':')++ptr;ptr+=2;
 	smLog("%s:" SLINE ": CPU: %s\n",SYS_SDL_SRCFN,osv);
-	system("rm cpu.out");
+	system("rm /tmp/cpu.out");
 
 	a=fopen("/proc/meminfo","r");
 	unsigned totalm,freem;