+ unsigned int i;
+ unsigned int j;
+ rtexture_t *textures[5];
+ Vector4Set(textures, colortexture, colortexture2, colortexture3, colortexture4);
+ textures[4] = depthtexture;
+ // unbind any matching textures immediately, otherwise D3D will complain about a bound texture being used as a render target
+ for (j = 0;j < 5;j++)
+ if (textures[j])
+ for (i = 0;i < vid.teximageunits;i++)
+ if (gl_state.units[i].texture == textures[j])
+ R_Mesh_TexBind(i, NULL);
+ // set up framebuffer object or render targets for the active rendering API
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL20:
+ case RENDERPATH_GLES1:
+ case RENDERPATH_GLES2:
+ if (gl_state.framebufferobject != fbo)
+ {
+ gl_state.framebufferobject = fbo;
+ qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, gl_state.framebufferobject ? gl_state.framebufferobject : gl_state.defaultframebufferobject);
+ }
+ break;
+ case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+ // set up the new render targets, a NULL depthtexture intentionally binds nothing
+ // TODO: optimize: keep surface pointer around in rtexture_t until texture is freed or lost
+ if (fbo)
+ {
+ IDirect3DSurface9 *colorsurfaces[4];
+ for (i = 0;i < 4;i++)
+ {
+ colorsurfaces[i] = NULL;
+ if (textures[i])
+ IDirect3DTexture9_GetSurfaceLevel((IDirect3DTexture9 *)textures[i]->d3dtexture, 0, &colorsurfaces[i]);
+ }
+ // set the render targets for real
+ R_Mesh_SetRenderTargetsD3D9(depthtexture ? (IDirect3DSurface9 *)depthtexture->d3dtexture : NULL, colorsurfaces[0], colorsurfaces[1], colorsurfaces[2], colorsurfaces[3]);
+ // release the texture surface levels (they won't be lost while bound...)
+ for (i = 0;i < 4;i++)
+ if (textures[i])
+ IDirect3DSurface9_Release(colorsurfaces[i]);
+ }
+ else
+ R_Mesh_SetRenderTargetsD3D9(gl_state.d3drt_backbufferdepthsurface, gl_state.d3drt_backbuffercolorsurface, NULL, NULL, NULL);
+#endif
+ break;
+ case RENDERPATH_D3D10:
+ Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D11:
+ Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_SOFT:
+ if (fbo)
+ {
+ int width, height;
+ unsigned int *pointers[5];
+ memset(pointers, 0, sizeof(pointers));
+ for (i = 0;i < 5;i++)
+ pointers[i] = textures[i] ? (unsigned int *)DPSOFTRAST_Texture_GetPixelPointer(textures[i]->texnum, 0) : NULL;
+ width = DPSOFTRAST_Texture_GetWidth(textures[0] ? textures[0]->texnum : textures[4]->texnum, 0);
+ height = DPSOFTRAST_Texture_GetHeight(textures[0] ? textures[0]->texnum : textures[4]->texnum, 0);
+ DPSOFTRAST_SetRenderTargets(width, height, pointers[4], pointers[0], pointers[1], pointers[2], pointers[3]);
+ }
+ else
+ DPSOFTRAST_SetRenderTargets(vid.width, vid.height, vid.softdepthpixels, vid.softpixels, NULL, NULL, NULL);
+ break;
+ }
+}
+
+#ifdef SUPPORTD3D
+static int d3dcmpforglfunc(int f)
+{
+ switch(f)
+ {
+ case GL_NEVER: return D3DCMP_NEVER;
+ case GL_LESS: return D3DCMP_LESS;
+ case GL_EQUAL: return D3DCMP_EQUAL;
+ case GL_LEQUAL: return D3DCMP_LESSEQUAL;
+ case GL_GREATER: return D3DCMP_GREATER;
+ case GL_NOTEQUAL: return D3DCMP_NOTEQUAL;
+ case GL_GEQUAL: return D3DCMP_GREATEREQUAL;
+ case GL_ALWAYS: return D3DCMP_ALWAYS;
+ default: Con_DPrintf("Unknown GL_DepthFunc\n");return D3DCMP_ALWAYS;
+ }
+}
+
+static int d3dstencilopforglfunc(int f)
+{
+ switch(f)
+ {
+ case GL_KEEP: return D3DSTENCILOP_KEEP;
+ case GL_INCR: return D3DSTENCILOP_INCR; // note: GL_INCR is clamped, D3DSTENCILOP_INCR wraps
+ case GL_DECR: return D3DSTENCILOP_DECR; // note: GL_DECR is clamped, D3DSTENCILOP_DECR wraps
+ default: Con_DPrintf("Unknown GL_StencilFunc\n");return D3DSTENCILOP_KEEP;
+ }
+}
+#endif
+
+extern cvar_t r_transparent_alphatocoverage;
+
+static void GL_Backend_ResetState(void)
+{
+ unsigned int i;
+ gl_state.active = true;
+ gl_state.depthtest = true;
+ gl_state.alphatest = false;
+ gl_state.alphafunc = GL_GEQUAL;
+ gl_state.alphafuncvalue = 0.5f;
+ gl_state.alphatocoverage = false;
+ gl_state.blendfunc1 = GL_ONE;
+ gl_state.blendfunc2 = GL_ZERO;
+ gl_state.blend = false;
+ gl_state.depthmask = GL_TRUE;
+ gl_state.colormask = 15;
+ gl_state.color4f[0] = gl_state.color4f[1] = gl_state.color4f[2] = gl_state.color4f[3] = 1;
+ gl_state.lockrange_first = 0;
+ gl_state.lockrange_count = 0;
+ gl_state.cullface = GL_FRONT;
+ gl_state.cullfaceenable = false;
+ gl_state.polygonoffset[0] = 0;
+ gl_state.polygonoffset[1] = 0;
+ gl_state.framebufferobject = 0;
+ gl_state.depthfunc = GL_LEQUAL;
+
+ switch(vid.renderpath)
+ {
+ case RENDERPATH_D3D9:
+#ifdef SUPPORTD3D
+ {
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_COLORWRITEENABLE, gl_state.colormask);
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CULLMODE, D3DCULL_NONE);
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZFUNC, d3dcmpforglfunc(gl_state.depthfunc));
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZENABLE, gl_state.depthtest);
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZWRITEENABLE, gl_state.depthmask);
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_SLOPESCALEDEPTHBIAS, gl_state.polygonoffset[0]);
+ IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_DEPTHBIAS, gl_state.polygonoffset[1] * (1.0f / 16777216.0f));
+ }
+#endif
+ break;
+ case RENDERPATH_D3D10:
+ Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_D3D11:
+ Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
+ break;
+ case RENDERPATH_GL11:
+ case RENDERPATH_GL13:
+ case RENDERPATH_GLES1:
+ CHECKGLERROR
+
+ qglColorMask(1, 1, 1, 1);CHECKGLERROR
+ qglAlphaFunc(gl_state.alphafunc, gl_state.alphafuncvalue);CHECKGLERROR
+ qglDisable(GL_ALPHA_TEST);CHECKGLERROR
+ qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
+ qglDisable(GL_BLEND);CHECKGLERROR
+ qglCullFace(gl_state.cullface);CHECKGLERROR
+ qglDisable(GL_CULL_FACE);CHECKGLERROR
+ qglDepthFunc(GL_LEQUAL);CHECKGLERROR
+ qglEnable(GL_DEPTH_TEST);CHECKGLERROR
+ qglDepthMask(gl_state.depthmask);CHECKGLERROR
+ qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
+
+ if (vid.support.arb_vertex_buffer_object)
+ {
+ qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
+ }
+
+ if (vid.support.ext_framebuffer_object)
+ {
+ //qglBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+ qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ }
+
+ qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), NULL);CHECKGLERROR
+ qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
+
+ qglColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL);CHECKGLERROR
+ qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+ qglColor4f(1, 1, 1, 1);CHECKGLERROR
+
+ if (vid.support.ext_framebuffer_object)
+ qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, gl_state.framebufferobject);
+
+ gl_state.unit = MAX_TEXTUREUNITS;
+ gl_state.clientunit = MAX_TEXTUREUNITS;
+ for (i = 0;i < vid.texunits;i++)
+ {
+ GL_ActiveTexture(i);
+ GL_ClientActiveTexture(i);
+ qglDisable(GL_TEXTURE_2D);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
+ if (vid.support.ext_texture_3d)
+ {
+ qglDisable(GL_TEXTURE_3D);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
+ }
+ if (vid.support.arb_texture_cube_map)
+ {
+ qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, 0);CHECKGLERROR
+ }
+ GL_BindVBO(0);
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR
+ qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ qglMatrixMode(GL_TEXTURE);CHECKGLERROR
+ qglLoadIdentity();CHECKGLERROR
+ qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
+ qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
+ }
+ CHECKGLERROR
+ break;
+ case RENDERPATH_SOFT:
+ DPSOFTRAST_ColorMask(1,1,1,1);
+ DPSOFTRAST_BlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);
+ DPSOFTRAST_CullFace(gl_state.cullface);
+ DPSOFTRAST_DepthFunc(gl_state.depthfunc);
+ DPSOFTRAST_DepthMask(gl_state.depthmask);
+ DPSOFTRAST_PolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
+ DPSOFTRAST_SetRenderTargets(vid.width, vid.height, vid.softdepthpixels, vid.softpixels, NULL, NULL, NULL);
+ DPSOFTRAST_Viewport(0, 0, vid.width, vid.height);
+ break;
+ case RENDERPATH_GL20:
+ case RENDERPATH_GLES2:
+ CHECKGLERROR
+ qglColorMask(1, 1, 1, 1);CHECKGLERROR
+ qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
+ qglDisable(GL_BLEND);CHECKGLERROR
+ qglCullFace(gl_state.cullface);CHECKGLERROR
+ qglDisable(GL_CULL_FACE);CHECKGLERROR
+ qglDepthFunc(GL_LEQUAL);CHECKGLERROR
+ qglEnable(GL_DEPTH_TEST);CHECKGLERROR
+ qglDepthMask(gl_state.depthmask);CHECKGLERROR
+ qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
+ if (vid.support.arb_vertex_buffer_object)
+ {
+ qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
+ qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
+ }
+ if (vid.support.ext_framebuffer_object)
+ qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, gl_state.defaultframebufferobject);
+ qglEnableVertexAttribArray(GLSLATTRIB_POSITION);
+ qglVertexAttribPointer(GLSLATTRIB_POSITION, 3, GL_FLOAT, false, sizeof(float[3]), NULL);CHECKGLERROR
+ qglDisableVertexAttribArray(GLSLATTRIB_COLOR);
+ qglVertexAttribPointer(GLSLATTRIB_COLOR, 4, GL_FLOAT, false, sizeof(float[4]), NULL);CHECKGLERROR
+ qglVertexAttrib4f(GLSLATTRIB_COLOR, 1, 1, 1, 1);
+ gl_state.unit = MAX_TEXTUREUNITS;
+ gl_state.clientunit = MAX_TEXTUREUNITS;
+ for (i = 0;i < vid.teximageunits;i++)
+ {
+ GL_ActiveTexture(i);
+ qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
+ if (vid.support.ext_texture_3d)
+ {
+ qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
+ }
+ if (vid.support.arb_texture_cube_map)
+ {
+ qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, 0);CHECKGLERROR
+ }
+ }
+ for (i = 0;i < vid.texarrayunits;i++)
+ {
+ GL_BindVBO(0);
+ qglVertexAttribPointer(i+GLSLATTRIB_TEXCOORD0, 2, GL_FLOAT, false, sizeof(float[2]), NULL);CHECKGLERROR
+ qglDisableVertexAttribArray(i+GLSLATTRIB_TEXCOORD0);CHECKGLERROR
+ }
+ CHECKGLERROR
+ break;
+ }
+}
+
+void GL_ActiveTexture(unsigned int num)
+{
+ if (gl_state.unit != num)