implemented r_transparent_alphatocoverage 2 which promotes alphablend if

[xonotic/darkplaces.git] / gl_backend.c

diff --git a/gl_backend.c b/gl_backend.c
index bb1d6b16abbaab385f2a4b104e7032b34ec5eb4c..0a08f1616722cd37d38f9ce2c8f42cf316984d22 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -137,6 +137,7 @@ typedef struct gl_state_s
        int alphatest;
        int alphafunc;
        float alphafuncvalue;
+       qboolean alphatocoverage;
        int scissortest;
        unsigned int unit;
        unsigned int clientunit;
@@ -275,6 +276,7 @@ static void R_Mesh_SetUseVBO(void)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
                gl_state.usevbo_staticvertex = (vid.support.arb_vertex_buffer_object && gl_vbo.integer) || vid.forcevbo;
                gl_state.usevbo_staticindex = (vid.support.arb_vertex_buffer_object && (gl_vbo.integer == 1 || gl_vbo.integer == 3)) || vid.forcevbo;
                gl_state.usevbo_dynamicvertex = (vid.support.arb_vertex_buffer_object && gl_vbo_dynamicvertex.integer) || vid.forcevbo;
@@ -325,6 +327,7 @@ static void gl_backend_start(void)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                // fetch current fbo here (default fbo is not 0 on some GLES devices)
                if (vid.support.ext_framebuffer_object)
@@ -357,6 +360,7 @@ static void gl_backend_shutdown(void)
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
        case RENDERPATH_SOFT:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        case RENDERPATH_D3D9:
@@ -402,6 +406,7 @@ static void gl_backend_devicelost(void)
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
        case RENDERPATH_SOFT:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        case RENDERPATH_D3D9:
@@ -429,6 +434,7 @@ static void gl_backend_devicelost(void)
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
                case RENDERPATH_SOFT:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        break;
                case RENDERPATH_D3D9:
@@ -461,6 +467,7 @@ static void gl_backend_devicerestored(void)
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
        case RENDERPATH_SOFT:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        case RENDERPATH_D3D9:
@@ -550,6 +557,7 @@ void GL_Finish(void)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                qglFinish();
                break;
@@ -711,6 +719,7 @@ qboolean R_ScissorForBBox(const float *mins, const float *maxs, int *scissor)
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
        case RENDERPATH_SOFT:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        }
@@ -794,6 +803,7 @@ void R_Viewport_InitOrtho(r_viewport_t *v, const matrix4x4_t *cameramatrix, int
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
        case RENDERPATH_SOFT:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        case RENDERPATH_D3D9:
@@ -1044,6 +1054,7 @@ void R_Viewport_InitRectSideView(r_viewport_t *v, const matrix4x4_t *cameramatri
        case RENDERPATH_GL13:
        case RENDERPATH_GL11:
        case RENDERPATH_SOFT:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        case RENDERPATH_D3D9:
@@ -1079,6 +1090,7 @@ void R_SetViewport(const r_viewport_t *v)
        {
        case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GLES1:
                CHECKGLERROR
                qglViewport(v->x, v->y, v->width, v->height);CHECKGLERROR
                // Load the projection matrix into OpenGL
@@ -1155,6 +1167,7 @@ int R_Mesh_CreateFramebufferObject(rtexture_t *depthtexture, rtexture_t *colorte
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                if (!vid.support.ext_framebuffer_object)
                        return 0;
@@ -1183,6 +1196,7 @@ void R_Mesh_DestroyFramebufferObject(int fbo)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                if (fbo)
                        qglDeleteFramebuffersEXT(1, (GLuint*)&fbo);
@@ -1239,6 +1253,7 @@ void R_Mesh_ResetRenderTargets(void)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                if (gl_state.framebufferobject)
                {
@@ -1282,6 +1297,7 @@ void R_Mesh_SetRenderTargets(int fbo, rtexture_t *depthtexture, rtexture_t *colo
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                if (gl_state.framebufferobject != fbo)
                {
@@ -1366,6 +1382,7 @@ static int d3dstencilopforglfunc(int f)
 }
 #endif
 
+extern cvar_t r_transparent_alphatocoverage;
 
 static void GL_Backend_ResetState(void)
 {
@@ -1375,6 +1392,7 @@ static void GL_Backend_ResetState(void)
        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;
@@ -1396,9 +1414,6 @@ static void GL_Backend_ResetState(void)
 #ifdef SUPPORTD3D
                {
                        IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_COLORWRITEENABLE, gl_state.colormask);
-                       IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ALPHATESTENABLE, gl_state.alphatest);
-                       IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ALPHAFUNC, d3dcmpforglfunc(gl_state.alphafunc));
-                       IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ALPHAREF, (int)bound(0, gl_state.alphafuncvalue * 256.0f, 255));
                        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);
@@ -1414,8 +1429,9 @@ static void GL_Backend_ResetState(void)
        case RENDERPATH_D3D11:
                Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
                break;
-       case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                CHECKGLERROR
 
                qglColorMask(1, 1, 1, 1);CHECKGLERROR
@@ -1482,7 +1498,6 @@ static void GL_Backend_ResetState(void)
                break;
        case RENDERPATH_SOFT:
                DPSOFTRAST_ColorMask(1,1,1,1);
-               DPSOFTRAST_AlphaTest(gl_state.alphatest);
                DPSOFTRAST_BlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);
                DPSOFTRAST_CullFace(gl_state.cullface);
                DPSOFTRAST_DepthFunc(gl_state.depthfunc);
@@ -1503,11 +1518,6 @@ static void GL_Backend_ResetState(void)
                qglEnable(GL_DEPTH_TEST);CHECKGLERROR
                qglDepthMask(gl_state.depthmask);CHECKGLERROR
                qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
-       //      if (vid.renderpath == RENDERPATH_GL20)
-       //      {
-       //              qglAlphaFunc(gl_state.alphafunc, gl_state.alphafuncvalue);CHECKGLERROR
-       //              qglDisable(GL_ALPHA_TEST);CHECKGLERROR
-       //      }
                if (vid.support.arb_vertex_buffer_object)
                {
                        qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
@@ -1556,6 +1566,7 @@ void GL_ActiveTexture(unsigned int num)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        if (qglActiveTexture)
                        {
@@ -1583,6 +1594,7 @@ void GL_ClientActiveTexture(unsigned int num)
                {
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
+               case RENDERPATH_GLES1:
                        if (qglActiveTexture)
                        {
                                CHECKGLERROR
@@ -1616,6 +1628,7 @@ void GL_BlendFunc(int blendfunc1, int blendfunc2)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        CHECKGLERROR
                        qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
@@ -1689,6 +1702,7 @@ void GL_DepthMask(int state)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        CHECKGLERROR
                        qglDepthMask(gl_state.depthmask);CHECKGLERROR
@@ -1721,6 +1735,7 @@ void GL_DepthTest(int state)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        CHECKGLERROR
                        if (gl_state.depthtest)
@@ -1760,6 +1775,7 @@ void GL_DepthFunc(int state)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        CHECKGLERROR
                        qglDepthFunc(gl_state.depthfunc);CHECKGLERROR
@@ -1793,6 +1809,7 @@ void GL_DepthRange(float nearfrac, float farfrac)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        qglDepthRange(gl_state.depthrange[0], gl_state.depthrange[1]);
                        break;
@@ -1830,6 +1847,7 @@ void R_SetStencilSeparate(qboolean enable, int writemask, int frontfail, int fro
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                CHECKGLERROR
                if (enable)
@@ -1896,6 +1914,7 @@ void R_SetStencil(qboolean enable, int writemask, int fail, int zfail, int zpass
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                CHECKGLERROR
                if (enable)
@@ -1952,6 +1971,7 @@ void GL_PolygonOffset(float planeoffset, float depthoffset)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
                        break;
@@ -1990,6 +2010,7 @@ void GL_SetMirrorState(qboolean state)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        qglCullFace(gl_state.cullface);CHECKGLERROR
                        break;
@@ -2026,6 +2047,7 @@ void GL_CullFace(int state)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                CHECKGLERROR
 
@@ -2100,6 +2122,7 @@ void GL_AlphaTest(int state)
                {
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
+               case RENDERPATH_GLES1:
                        // only fixed function uses alpha test, other paths use pixel kill capability in shaders
                        CHECKGLERROR
                        if (gl_state.alphatest)
@@ -2112,19 +2135,45 @@ void GL_AlphaTest(int state)
                        }
                        break;
                case RENDERPATH_D3D9:
-#ifdef SUPPORTD3D
-//                     IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ALPHATESTENABLE, gl_state.alphatest);
-#endif
-                       break;
                case RENDERPATH_D3D10:
-                       break;
                case RENDERPATH_D3D11:
+               case RENDERPATH_SOFT:
+               case RENDERPATH_GL20:
+               case RENDERPATH_GLES2:
                        break;
+               }
+       }
+}
+
+void GL_AlphaToCoverage(qboolean state)
+{
+       if (gl_state.alphatocoverage != state)
+       {
+               gl_state.alphatocoverage = state;
+               switch(vid.renderpath)
+               {
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GLES1:
+               case RENDERPATH_GLES2:
+               case RENDERPATH_D3D9:
+               case RENDERPATH_D3D10:
+               case RENDERPATH_D3D11:
                case RENDERPATH_SOFT:
-//                     DPSOFTRAST_AlphaTest(gl_state.alphatest);
                        break;
                case RENDERPATH_GL20:
-               case RENDERPATH_GLES2:
+                       // alpha to coverage turns the alpha value of the pixel into 0%, 25%, 50%, 75% or 100% by masking the multisample fragments accordingly
+                       CHECKGLERROR
+                       if (gl_state.alphatocoverage)
+                       {
+                               qglEnable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);CHECKGLERROR
+//                             qglEnable(GL_MULTISAMPLE_ARB);CHECKGLERROR
+                       }
+                       else
+                       {
+                               qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);CHECKGLERROR
+//                             qglDisable(GL_MULTISAMPLE_ARB);CHECKGLERROR
+                       }
                        break;
                }
        }
@@ -2142,6 +2191,7 @@ void GL_ColorMask(int r, int g, int b, int a)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        CHECKGLERROR
                        qglColorMask((GLboolean)r, (GLboolean)g, (GLboolean)b, (GLboolean)a);CHECKGLERROR
@@ -2176,6 +2226,7 @@ void GL_Color(float cr, float cg, float cb, float ca)
                {
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
+               case RENDERPATH_GLES1:
                        CHECKGLERROR
                        qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]);
                        CHECKGLERROR
@@ -2203,6 +2254,7 @@ void GL_Scissor (int x, int y, int width, int height)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                CHECKGLERROR
                qglScissor(x, y,width,height);
@@ -2242,6 +2294,7 @@ void GL_ScissorTest(int state)
                case RENDERPATH_GL11:
                case RENDERPATH_GL13:
                case RENDERPATH_GL20:
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        CHECKGLERROR
                        if(gl_state.scissortest)
@@ -2284,6 +2337,7 @@ void GL_Clear(int mask, const float *colorvalue, float depthvalue, int stencilva
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                CHECKGLERROR
                if (mask & GL_COLOR_BUFFER_BIT)
@@ -2327,6 +2381,7 @@ void GL_ReadPixelsBGRA(int x, int y, int width, int height, unsigned char *outpi
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                CHECKGLERROR
                qglReadPixels(x, y, width, height, GL_BGRA, GL_UNSIGNED_BYTE, outpixels);CHECKGLERROR
@@ -2537,6 +2592,7 @@ void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtri
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                // check if the user specified to ignore static index buffers
                if (!gl_state.usevbo_staticindex || (gl_vbo.integer == 3 && !vid.forcevbo && (element3i_bufferoffset || element3s_bufferoffset)))
@@ -2879,6 +2935,7 @@ void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtri
                case RENDERPATH_SOFT:
                        DPSOFTRAST_DrawTriangles(firstvertex, numvertices, numtriangles, element3i, element3s);
                        break;
+               case RENDERPATH_GLES1:
                case RENDERPATH_GLES2:
                        // GLES does not have glDrawRangeElements, and generally
                        // underperforms with index buffers, so this code path is
@@ -2974,6 +3031,7 @@ void R_Mesh_UpdateMeshBuffer(r_meshbuffer_t *buffer, const void *data, size_t si
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                if (!buffer->bufferobject)
                        qglGenBuffersARB(1, (GLuint *)&buffer->bufferobject);
@@ -3055,6 +3113,7 @@ void R_Mesh_DestroyMeshBuffer(r_meshbuffer_t *buffer)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                qglDeleteBuffersARB(1, (GLuint *)&buffer->bufferobject);
                break;
@@ -3110,6 +3169,7 @@ void R_Mesh_VertexPointer(int components, int gltype, size_t stride, const void
        {
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                if (gl_state.pointer_vertex_components != components || gl_state.pointer_vertex_gltype != gltype || gl_state.pointer_vertex_stride != stride || gl_state.pointer_vertex_pointer != pointer || gl_state.pointer_vertex_vertexbuffer != vertexbuffer || gl_state.pointer_vertex_offset != bufferoffset)
                {
                        int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
@@ -3156,6 +3216,7 @@ void R_Mesh_ColorPointer(int components, int gltype, size_t stride, const void *
        {
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                CHECKGLERROR
                if (pointer)
                {
@@ -3250,6 +3311,7 @@ void R_Mesh_TexCoordPointer(unsigned int unitnum, int components, int gltype, si
        {
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                CHECKGLERROR
                if (pointer)
                {
@@ -3350,6 +3412,7 @@ void R_Mesh_CopyToTexture(rtexture_t *tex, int tx, int ty, int sx, int sy, int w
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                R_Mesh_TexBind(0, tex);
                GL_ActiveTexture(0);CHECKGLERROR
@@ -3443,8 +3506,9 @@ void R_Mesh_TexBind(unsigned int unitnum, rtexture_t *tex)
                case GL_TEXTURE_CUBE_MAP_ARB: if (unit->tcubemap != texnum) {GL_ActiveTexture(unitnum);unit->tcubemap = texnum;qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, unit->tcubemap);CHECKGLERROR}break;
                }
                break;
-       case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                unit->texture = tex;
                tex2d = 0;
                tex3d = 0;
@@ -3591,6 +3655,7 @@ void R_Mesh_TexMatrix(unsigned int unitnum, const matrix4x4_t *matrix)
        case RENDERPATH_GL11:
        case RENDERPATH_GL13:
        case RENDERPATH_GL20:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                if (matrix && matrix->m[3][3])
                {
@@ -3643,6 +3708,7 @@ void R_Mesh_TexCombine(unsigned int unitnum, int combinergb, int combinealpha, i
                // do nothing
                break;
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                // GL_ARB_texture_env_combine
                if (!combinergb)
                        combinergb = GL_MODULATE;
@@ -3737,8 +3803,9 @@ void R_Mesh_ResetTextureState(void)
        case RENDERPATH_D3D11:
        case RENDERPATH_SOFT:
                break;
-       case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                for (unitnum = 0;unitnum < vid.texunits;unitnum++)
                {
                        R_Mesh_TexCombine(unitnum, GL_MODULATE, GL_MODULATE, 1, 1);
@@ -3797,6 +3864,7 @@ static void R_Mesh_InitVertexDeclarations(void)
        case RENDERPATH_GL20:
        case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GLES1:
        case RENDERPATH_GLES2:
                break;
        case RENDERPATH_D3D9:
@@ -3870,6 +3938,7 @@ void R_Mesh_PrepareVertices_Vertex3f(int numvertices, const float *vertex3f, con
                }
                break;
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                if (vertexbuffer)
                {
                        R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, 0);
@@ -3973,8 +4042,9 @@ void R_Mesh_PrepareVertices_Generic_Arrays(int numvertices, const float *vertex3
                        return;
                }
                break;
-       case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                if (!vid.useinterleavedarrays)
                {
                        R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, NULL, 0);
@@ -4062,6 +4132,7 @@ void R_Mesh_PrepareVertices_Generic(int numvertices, const r_vertexgeneric_t *ve
                }
                break;
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                if (vertexbuffer)
                {
                        R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
@@ -4165,8 +4236,9 @@ void R_Mesh_PrepareVertices_Mesh_Arrays(int numvertices, const float *vertex3f,
                        return;
                }
                break;
-       case RENDERPATH_GL13:
        case RENDERPATH_GL11:
+       case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                if (!vid.useinterleavedarrays)
                {
                        R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, NULL, 0);
@@ -4265,6 +4337,7 @@ void R_Mesh_PrepareVertices_Mesh(int numvertices, const r_vertexmesh_t *vertex,
                }
                break;
        case RENDERPATH_GL13:
+       case RENDERPATH_GLES1:
                if (vertexbuffer)
                {
                        R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));