auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 1557 deletions

diff --git a/opengl/libagl/array.cpp b/opengl/libagl/array.cpp
deleted file mode 100644
index 8fa7566..0000000
--- a/opengl/libagl/array.cpp
+++ /dev/null
@@ -1,1557 +0,0 @@
-/* 
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "context.h"
-#include "fp.h"
-#include "state.h"
-#include "matrix.h"
-#include "vertex.h"
-#include "light.h"
-#include "primitives.h"
-#include "texture.h"
-#include "BufferObjectManager.h"
-
-// ----------------------------------------------------------------------------
-
-#define VC_CACHE_STATISTICS     0
-#define VC_CACHE_TYPE_NONE      0
-#define VC_CACHE_TYPE_INDEXED   1
-#define VC_CACHE_TYPE_LRU       2
-#define VC_CACHE_TYPE           VC_CACHE_TYPE_INDEXED
-
-#if VC_CACHE_STATISTICS
-#include <utils/Timers.h>
-#endif
-
-// ----------------------------------------------------------------------------
-
-namespace android {
-
-static void validate_arrays(ogles_context_t* c, GLenum mode);
-
-static void compileElements__generic(ogles_context_t*,
-        vertex_t*, GLint, GLsizei);
-static void compileElement__generic(ogles_context_t*,
-        vertex_t*, GLint);
-
-static void drawPrimitivesPoints(ogles_context_t*, GLint, GLsizei);
-static void drawPrimitivesLineStrip(ogles_context_t*, GLint, GLsizei);
-static void drawPrimitivesLineLoop(ogles_context_t*, GLint, GLsizei);
-static void drawPrimitivesLines(ogles_context_t*, GLint, GLsizei);
-static void drawPrimitivesTriangleStrip(ogles_context_t*, GLint, GLsizei);
-static void drawPrimitivesTriangleFan(ogles_context_t*, GLint, GLsizei);
-static void drawPrimitivesTriangles(ogles_context_t*, GLint, GLsizei);
-
-static void drawIndexedPrimitivesPoints(ogles_context_t*,
-        GLsizei, const GLvoid*);
-static void drawIndexedPrimitivesLineStrip(ogles_context_t*,
-        GLsizei, const GLvoid*);
-static void drawIndexedPrimitivesLineLoop(ogles_context_t*,
-        GLsizei, const GLvoid*);
-static void drawIndexedPrimitivesLines(ogles_context_t*,
-        GLsizei, const GLvoid*);
-static void drawIndexedPrimitivesTriangleStrip(ogles_context_t*,
-        GLsizei, const GLvoid*);
-static void drawIndexedPrimitivesTriangleFan(ogles_context_t*,
-        GLsizei, const GLvoid*);
-static void drawIndexedPrimitivesTriangles(ogles_context_t*,
-        GLsizei, const GLvoid*);
-
-// ----------------------------------------------------------------------------
-
-typedef void (*arrays_prims_fct_t)(ogles_context_t*, GLint, GLsizei);
-static const arrays_prims_fct_t drawArraysPrims[] = {
-    drawPrimitivesPoints,
-    drawPrimitivesLines,
-    drawPrimitivesLineLoop,
-    drawPrimitivesLineStrip,
-    drawPrimitivesTriangles,
-    drawPrimitivesTriangleStrip,
-    drawPrimitivesTriangleFan
-};
-
-typedef void (*elements_prims_fct_t)(ogles_context_t*, GLsizei, const GLvoid*);
-static const elements_prims_fct_t drawElementsPrims[] = {
-    drawIndexedPrimitivesPoints,
-    drawIndexedPrimitivesLines,
-    drawIndexedPrimitivesLineLoop,
-    drawIndexedPrimitivesLineStrip,
-    drawIndexedPrimitivesTriangles,
-    drawIndexedPrimitivesTriangleStrip,
-    drawIndexedPrimitivesTriangleFan
-};
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
-
-void ogles_init_array(ogles_context_t* c)
-{
-    c->arrays.vertex.size = 4;
-    c->arrays.vertex.type = GL_FLOAT;
-    c->arrays.color.size = 4;
-    c->arrays.color.type = GL_FLOAT;
-    c->arrays.normal.size = 4;
-    c->arrays.normal.type = GL_FLOAT;
-    for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
-        c->arrays.texture[i].size = 4;
-        c->arrays.texture[i].type = GL_FLOAT;
-    }
-    c->vc.init();
-
-    if (!c->vc.vBuffer) {
-        // this could have failed
-        ogles_error(c, GL_OUT_OF_MEMORY);
-    }
-}
-
-void ogles_uninit_array(ogles_context_t* c)
-{
-    c->vc.uninit();
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark Array fetchers
-#endif
-
-static void currentColor(ogles_context_t* c, GLfixed* v, const GLvoid*) {
-    memcpy(v, c->current.color.v, sizeof(vec4_t));
-}
-static void currentColor_clamp(ogles_context_t* c, GLfixed* v, const GLvoid*) {
-    memcpy(v, c->currentColorClamped.v, sizeof(vec4_t));
-}
-static void currentNormal(ogles_context_t* c, GLfixed* v, const GLvoid*) {
-    memcpy(v, c->currentNormal.v, sizeof(vec3_t));
-}
-static void currentTexCoord(ogles_context_t* c, GLfixed* v, const GLvoid*) {
-    memcpy(v, c->current.texture[c->arrays.tmu].v, sizeof(vec4_t));
-}
-
-
-static void fetchNop(ogles_context_t*, GLfixed*, const GLvoid*) {
-}
-static void fetch2b(ogles_context_t*, GLfixed* v, const GLbyte* p) {
-    v[0] = gglIntToFixed(p[0]);
-    v[1] = gglIntToFixed(p[1]);
-}
-static void fetch2s(ogles_context_t*, GLfixed* v, const GLshort* p) {
-    v[0] = gglIntToFixed(p[0]);
-    v[1] = gglIntToFixed(p[1]);
-}
-static void fetch2x(ogles_context_t*, GLfixed* v, const GLfixed* p) {
-    memcpy(v, p, 2*sizeof(GLfixed));
-}
-static void fetch2f(ogles_context_t*, GLfixed* v, const GLfloat* p) {
-    v[0] = gglFloatToFixed(p[0]);
-    v[1] = gglFloatToFixed(p[1]);
-}
-static void fetch3b(ogles_context_t*, GLfixed* v, const GLbyte* p) {
-    v[0] = gglIntToFixed(p[0]);
-    v[1] = gglIntToFixed(p[1]);
-    v[2] = gglIntToFixed(p[2]);
-}
-static void fetch3s(ogles_context_t*, GLfixed* v, const GLshort* p) {
-    v[0] = gglIntToFixed(p[0]);
-    v[1] = gglIntToFixed(p[1]);
-    v[2] = gglIntToFixed(p[2]);
-}
-static void fetch3x(ogles_context_t*, GLfixed* v, const GLfixed* p) {
-    memcpy(v, p, 3*sizeof(GLfixed));
-}
-static void fetch3f(ogles_context_t*, GLfixed* v, const GLfloat* p) {
-    v[0] = gglFloatToFixed(p[0]);
-    v[1] = gglFloatToFixed(p[1]);
-    v[2] = gglFloatToFixed(p[2]);
-}
-static void fetch4b(ogles_context_t*, GLfixed* v, const GLbyte* p) {
-    v[0] = gglIntToFixed(p[0]);
-    v[1] = gglIntToFixed(p[1]);
-    v[2] = gglIntToFixed(p[2]);
-    v[3] = gglIntToFixed(p[3]);
-}
-static void fetch4s(ogles_context_t*, GLfixed* v, const GLshort* p) {
-    v[0] = gglIntToFixed(p[0]);
-    v[1] = gglIntToFixed(p[1]);
-    v[2] = gglIntToFixed(p[2]);
-    v[3] = gglIntToFixed(p[3]);
-}
-static void fetch4x(ogles_context_t*, GLfixed* v, const GLfixed* p) {
-    memcpy(v, p, 4*sizeof(GLfixed));
-}
-static void fetch4f(ogles_context_t*, GLfixed* v, const GLfloat* p) {
-    v[0] = gglFloatToFixed(p[0]);
-    v[1] = gglFloatToFixed(p[1]);
-    v[2] = gglFloatToFixed(p[2]);
-    v[3] = gglFloatToFixed(p[3]);
-}
-static void fetchExpand4ub(ogles_context_t*, GLfixed* v, const GLubyte* p) {
-    v[0] = GGL_UB_TO_X(p[0]);
-    v[1] = GGL_UB_TO_X(p[1]);
-    v[2] = GGL_UB_TO_X(p[2]);
-    v[3] = GGL_UB_TO_X(p[3]);
-}
-static void fetchClamp4x(ogles_context_t*, GLfixed* v, const GLfixed* p) {
-    v[0] = gglClampx(p[0]);
-    v[1] = gglClampx(p[1]);
-    v[2] = gglClampx(p[2]);
-    v[3] = gglClampx(p[3]);
-}
-static void fetchClamp4f(ogles_context_t*, GLfixed* v, const GLfloat* p) {
-    v[0] = gglClampx(gglFloatToFixed(p[0]));
-    v[1] = gglClampx(gglFloatToFixed(p[1]));
-    v[2] = gglClampx(gglFloatToFixed(p[2]));
-    v[3] = gglClampx(gglFloatToFixed(p[3]));
-}
-static void fetchExpand3ub(ogles_context_t*, GLfixed* v, const GLubyte* p) {
-    v[0] = GGL_UB_TO_X(p[0]);
-    v[1] = GGL_UB_TO_X(p[1]);
-    v[2] = GGL_UB_TO_X(p[2]);
-    v[3] = 0x10000;
-}
-static void fetchClamp3x(ogles_context_t*, GLfixed* v, const GLfixed* p) {
-    v[0] = gglClampx(p[0]);
-    v[1] = gglClampx(p[1]);
-    v[2] = gglClampx(p[2]);
-    v[3] = 0x10000;
-}
-static void fetchClamp3f(ogles_context_t*, GLfixed* v, const GLfloat* p) {
-    v[0] = gglClampx(gglFloatToFixed(p[0]));
-    v[1] = gglClampx(gglFloatToFixed(p[1]));
-    v[2] = gglClampx(gglFloatToFixed(p[2]));
-    v[3] = 0x10000;
-}
-static void fetchExpand3b(ogles_context_t*, GLfixed* v, const GLbyte* p) {
-    v[0] = GGL_B_TO_X(p[0]);
-    v[1] = GGL_B_TO_X(p[1]);
-    v[2] = GGL_B_TO_X(p[2]);
-}
-static void fetchExpand3s(ogles_context_t*, GLfixed* v, const GLshort* p) {
-    v[0] = GGL_S_TO_X(p[0]);
-    v[1] = GGL_S_TO_X(p[1]);
-    v[2] = GGL_S_TO_X(p[2]);
-}
-
-typedef array_t::fetcher_t fn_t; 
-
-static const fn_t color_fct[2][16] = { // size={3,4}, type={ub,f,x}
-    { 0, (fn_t)fetchExpand3ub, 0, 0, 0, 0,
-         (fn_t)fetch3f, 0, 0, 0, 0, 0,
-         (fn_t)fetch3x },
-    { 0, (fn_t)fetchExpand4ub, 0, 0, 0, 0,
-         (fn_t)fetch4f, 0, 0, 0, 0, 0,
-         (fn_t)fetch4x },
-};
-static const fn_t color_clamp_fct[2][16] = { // size={3,4}, type={ub,f,x}
-    { 0, (fn_t)fetchExpand3ub, 0, 0, 0, 0,
-         (fn_t)fetchClamp3f, 0, 0, 0, 0, 0,
-         (fn_t)fetchClamp3x },
-    { 0, (fn_t)fetchExpand4ub, 0, 0, 0, 0,
-         (fn_t)fetchClamp4f, 0, 0, 0, 0, 0,
-         (fn_t)fetchClamp4x },
-};
-static const fn_t normal_fct[1][16] = { // size={3}, type={b,s,f,x}
-    { (fn_t)fetchExpand3b, 0,
-      (fn_t)fetchExpand3s, 0, 0, 0,
-      (fn_t)fetch3f, 0, 0, 0, 0, 0,
-      (fn_t)fetch3x },
-};
-static const fn_t vertex_fct[3][16] = { // size={2,3,4}, type={b,s,f,x}
-    { (fn_t)fetch2b, 0,
-      (fn_t)fetch2s, 0, 0, 0,
-      (fn_t)fetch2f, 0, 0, 0, 0, 0,
-      (fn_t)fetch3x },
-    { (fn_t)fetch3b, 0,
-      (fn_t)fetch3s, 0, 0, 0,
-      (fn_t)fetch3f, 0, 0, 0, 0, 0,
-      (fn_t)fetch3x },
-    { (fn_t)fetch4b, 0,
-      (fn_t)fetch4s, 0, 0, 0,
-      (fn_t)fetch4f, 0, 0, 0, 0, 0,
-      (fn_t)fetch4x }
-};
-static const fn_t texture_fct[3][16] = { // size={2,3,4}, type={b,s,f,x}
-    { (fn_t)fetch2b, 0,
-      (fn_t)fetch2s, 0, 0, 0,
-      (fn_t)fetch2f, 0, 0, 0, 0, 0,
-      (fn_t)fetch2x },
-    { (fn_t)fetch3b, 0,
-      (fn_t)fetch3s, 0, 0, 0,
-      (fn_t)fetch3f, 0, 0, 0, 0, 0,
-      (fn_t)fetch3x },
-    { (fn_t)fetch4b, 0,
-      (fn_t)fetch4s, 0, 0, 0,
-      (fn_t)fetch4f, 0, 0, 0, 0, 0,
-      (fn_t)fetch4x }
-};
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark array_t
-#endif
-
-void array_t::init(
-        GLint size, GLenum type, GLsizei stride,
-        const GLvoid *pointer, const buffer_t* bo, GLsizei count)
-{
-    if (!stride) {
-        stride = size;
-        switch (type) {
-        case GL_SHORT:
-        case GL_UNSIGNED_SHORT:
-            stride *= 2;
-            break;
-        case GL_FLOAT:
-        case GL_FIXED:
-            stride *= 4;
-            break;
-        }
-    }
-    this->size = size;
-    this->type = type;
-    this->stride = stride;
-    this->pointer = pointer;
-    this->bo = bo;
-    this->bounds = count;
-}
-
-inline void array_t::resolve() 
-{
-    physical_pointer = (bo) ? (bo->data + uintptr_t(pointer)) : pointer;
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark vertex_cache_t
-#endif
-
-void vertex_cache_t::init()
-{
-    // make sure the size of vertex_t allows cache-line alignment
-    CTA<(sizeof(vertex_t) & 0x1F) == 0> assertAlignedSize;
-
-    const int align = 32;
-    const size_t s = VERTEX_BUFFER_SIZE + VERTEX_CACHE_SIZE;
-    const size_t size = s*sizeof(vertex_t) + align;
-    base = malloc(size);
-    if (base) {
-        memset(base, 0, size);
-        vBuffer = (vertex_t*)((size_t(base) + align - 1) & ~(align-1));
-        vCache = vBuffer + VERTEX_BUFFER_SIZE;
-        sequence = 0;
-    }
-}
-
-void vertex_cache_t::uninit()
-{
-    free(base);
-    base = vBuffer = vCache = 0;
-}
-
-void vertex_cache_t::clear()
-{
-#if VC_CACHE_STATISTICS
-    startTime = systemTime(SYSTEM_TIME_THREAD);
-    total = 0;
-    misses = 0;
-#endif
-
-#if VC_CACHE_TYPE == VC_CACHE_TYPE_LRU
-    vertex_t* v = vBuffer;
-    size_t count = VERTEX_BUFFER_SIZE + VERTEX_CACHE_SIZE;
-    do {
-        v->mru = 0;
-        v++;
-    } while (--count);
-#endif
-
-    sequence += INDEX_SEQ;
-    if (sequence >= 0x80000000LU) {
-        sequence = INDEX_SEQ;
-        vertex_t* v = vBuffer;
-        size_t count = VERTEX_BUFFER_SIZE + VERTEX_CACHE_SIZE;
-        do {
-            v->index = 0;
-            v++;
-        } while (--count);
-    }
-}
-
-void vertex_cache_t::dump_stats(GLenum mode)
-{
-#if VC_CACHE_STATISTICS
-    nsecs_t time = systemTime(SYSTEM_TIME_THREAD) - startTime;
-    uint32_t hits = total - misses;
-    uint32_t prim_count;
-    switch (mode) {
-    case GL_POINTS:             prim_count = total;         break;
-    case GL_LINE_STRIP:         prim_count = total - 1;     break;
-    case GL_LINE_LOOP:          prim_count = total - 1;     break;
-    case GL_LINES:              prim_count = total / 2;     break;
-    case GL_TRIANGLE_STRIP:     prim_count = total - 2;     break;
-    case GL_TRIANGLE_FAN:       prim_count = total - 2;     break;
-    case GL_TRIANGLES:          prim_count = total / 3;     break;
-    default:    return;
-    }
-    printf( "total=%5u, hits=%5u, miss=%5u, hitrate=%3u%%,"
-            " prims=%5u, time=%6u us, prims/s=%d, v/t=%f\n",
-            total, hits, misses, (hits*100)/total,
-            prim_count, int(ns2us(time)), int(prim_count*float(seconds(1))/time),
-            float(misses) / prim_count);
-#endif
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
-
-static __attribute__((noinline))
-void enableDisableClientState(ogles_context_t* c, GLenum array, bool enable)
-{
-    const int tmu = c->arrays.activeTexture;
-    array_t* a;
-    switch (array) {
-    case GL_COLOR_ARRAY:            a = &c->arrays.color;           break;
-    case GL_NORMAL_ARRAY:           a = &c->arrays.normal;          break;
-    case GL_TEXTURE_COORD_ARRAY:    a = &c->arrays.texture[tmu];    break;
-    case GL_VERTEX_ARRAY:           a = &c->arrays.vertex;          break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    a->enable = enable ? GL_TRUE : GL_FALSE;
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark Vertex Cache
-#endif
-
-static __attribute__((noinline))
-vertex_t* cache_vertex(ogles_context_t* c, vertex_t* v, uint32_t index)
-{
-    #if VC_CACHE_STATISTICS
-        c->vc.misses++;
-    #endif
-    if (ggl_unlikely(v->locked)) {
-        // we're just looking for an entry in the cache that is not locked.
-        // and we know that there cannot be more than 2 locked entries
-        // because a triangle needs at most 3 vertices.
-        // We never use the first and second entries because they might be in
-        // use by the striper or faner. Any other entry will do as long as
-        // it's not locked.
-        // We compute directly the index of a "free" entry from the locked
-        // state of v[2] and v[3].
-        v = c->vc.vBuffer + 2;
-        v += v[0].locked | (v[1].locked<<1);       
-    }
-    // note: compileElement clears v->flags
-    c->arrays.compileElement(c, v, index);
-    v->locked = 1;
-    return v;
-}
-
-static __attribute__((noinline))
-vertex_t* fetch_vertex(ogles_context_t* c, size_t index)
-{
-    index |= c->vc.sequence;
-
-#if VC_CACHE_TYPE == VC_CACHE_TYPE_INDEXED
-
-    vertex_t* const v = c->vc.vCache + 
-            (index & (vertex_cache_t::VERTEX_CACHE_SIZE-1));
-
-    if (ggl_likely(v->index == index)) {
-        v->locked = 1;
-        return v;
-    }
-    return cache_vertex(c, v, index);
-
-#elif VC_CACHE_TYPE == VC_CACHE_TYPE_LRU
-
-    vertex_t* v = c->vc.vCache + 
-            (index & ((vertex_cache_t::VERTEX_CACHE_SIZE-1)>>1))*2;
-
-    // always record LRU in v[0]
-    if (ggl_likely(v[0].index == index)) {
-        v[0].locked = 1;
-        v[0].mru = 0;
-        return &v[0];
-    }
-
-    if (ggl_likely(v[1].index == index)) {
-        v[1].locked = 1;
-        v[0].mru = 1;
-        return &v[1];
-    }
-
-    const int lru = 1 - v[0].mru;
-    v[0].mru = lru;
-    return cache_vertex(c, &v[lru], index);
-
-#elif VC_CACHE_TYPE == VC_CACHE_TYPE_NONE
-
-    // just for debugging...
-    vertex_t* v = c->vc.vBuffer + 2;
-    return cache_vertex(c, v, index);
-
-#endif
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark Primitive Assembly
-#endif
-
-void drawPrimitivesPoints(ogles_context_t* c, GLint first, GLsizei count)
-{
-    if (ggl_unlikely(count < 1))
-        return;
-
-    // vertex cache size must be multiple of 1
-    const GLsizei vcs = 
-            (vertex_cache_t::VERTEX_BUFFER_SIZE +
-             vertex_cache_t::VERTEX_CACHE_SIZE);
-    do {
-        vertex_t* v = c->vc.vBuffer;
-        GLsizei num = count > vcs ? vcs : count; 
-        c->arrays.cull = vertex_t::CLIP_ALL;
-        c->arrays.compileElements(c, v, first, num);
-        first += num;
-        count -= num;
-        if (!c->arrays.cull) {
-            // quick/trivial reject of the whole batch
-            do {
-                const uint32_t cc = v[0].flags;
-                if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                    c->prims.renderPoint(c, v);
-                v++;
-                num--;
-            } while (num);
-        }
-    } while (count);
-}
-
-// ----------------------------------------------------------------------------
-
-void drawPrimitivesLineStrip(ogles_context_t* c, GLint first, GLsizei count)
-{
-    if (ggl_unlikely(count < 2))
-        return;
-
-    vertex_t *v, *v0, *v1;
-    c->arrays.cull = vertex_t::CLIP_ALL;
-    c->arrays.compileElement(c, c->vc.vBuffer, first);
-    first += 1;
-    count -= 1;
-
-    // vertex cache size must be multiple of 1
-    const GLsizei vcs = 
-        (vertex_cache_t::VERTEX_BUFFER_SIZE +
-         vertex_cache_t::VERTEX_CACHE_SIZE - 1);
-    do {
-        v0 = c->vc.vBuffer + 0; 
-        v  = c->vc.vBuffer + 1;
-        GLsizei num = count > vcs ? vcs : count; 
-        c->arrays.compileElements(c, v, first, num);
-        first += num;
-        count -= num;
-        if (!c->arrays.cull) {
-            // quick/trivial reject of the whole batch
-            do {
-                v1 = v++;
-                const uint32_t cc = v0->flags & v1->flags;
-                if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                    c->prims.renderLine(c, v0, v1);
-                v0 = v1;
-                num--;
-            } while (num);
-        }
-        // copy back the last processed vertex
-        c->vc.vBuffer[0] = *v0;
-        c->arrays.cull = v0->flags & vertex_t::CLIP_ALL;
-    } while (count);
-}
-
-void drawPrimitivesLineLoop(ogles_context_t* c, GLint first, GLsizei count)
-{
-    if (ggl_unlikely(count < 2))
-        return;
-    drawPrimitivesLineStrip(c, first, count);
-    if (ggl_likely(count >= 3)) {
-        vertex_t* v0 = c->vc.vBuffer; 
-        vertex_t* v1 = c->vc.vBuffer + 1;
-        c->arrays.compileElement(c, v1, first);
-        const uint32_t cc = v0->flags & v1->flags;
-        if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-            c->prims.renderLine(c, v0, v1);
-    }
-}
-
-void drawPrimitivesLines(ogles_context_t* c, GLint first, GLsizei count)
-{
-    if (ggl_unlikely(count < 2))
-        return;
-
-    // vertex cache size must be multiple of 2
-    const GLsizei vcs = 
-        ((vertex_cache_t::VERTEX_BUFFER_SIZE +
-        vertex_cache_t::VERTEX_CACHE_SIZE) / 2) * 2;
-    do {
-        vertex_t* v = c->vc.vBuffer;
-        GLsizei num = count > vcs ? vcs : count; 
-        c->arrays.cull = vertex_t::CLIP_ALL;
-        c->arrays.compileElements(c, v, first, num);
-        first += num;
-        count -= num;
-        if (!c->arrays.cull) {
-            // quick/trivial reject of the whole batch
-            num -= 2;
-            do {
-                const uint32_t cc = v[0].flags & v[1].flags;
-                if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                    c->prims.renderLine(c, v, v+1);
-                v += 2;
-                num -= 2;
-            } while (num >= 0);
-        }
-    } while (count >= 2);
-}
-
-// ----------------------------------------------------------------------------
-
-static void drawPrimitivesTriangleFanOrStrip(ogles_context_t* c,
-        GLint first, GLsizei count, int winding)
-{
-    // winding == 2 : fan
-    // winding == 1 : strip
-
-    if (ggl_unlikely(count < 3))
-        return;
-
-    vertex_t *v, *v0, *v1, *v2;
-    c->arrays.cull = vertex_t::CLIP_ALL;
-    c->arrays.compileElements(c, c->vc.vBuffer, first, 2);
-    first += 2;
-    count -= 2;
-
-    // vertex cache size must be multiple of 2. This is extremely important
-    // because it allows us to preserve the same winding when the whole
-    // batch is culled. We also need 2 extra vertices in the array, because
-    // we always keep the two first ones.
-    const GLsizei vcs = 
-        ((vertex_cache_t::VERTEX_BUFFER_SIZE +
-          vertex_cache_t::VERTEX_CACHE_SIZE - 2) / 2) * 2;
-    do {
-        v0 = c->vc.vBuffer + 0; 
-        v1 = c->vc.vBuffer + 1; 
-        v  = c->vc.vBuffer + 2;
-        GLsizei num = count > vcs ? vcs : count; 
-        c->arrays.compileElements(c, v, first, num);
-        first += num;
-        count -= num;
-        if (!c->arrays.cull) {
-            // quick/trivial reject of the whole batch
-            do {
-                v2 = v++;
-                const uint32_t cc = v0->flags & v1->flags & v2->flags;
-                if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                    c->prims.renderTriangle(c, v0, v1, v2);
-                swap(((winding^=1) ? v1 : v0), v2);
-                num--;
-            } while (num);
-        }
-        if (count) {
-            v0 = c->vc.vBuffer + 2 + num - 2;
-            v1 = c->vc.vBuffer + 2 + num - 1;
-            if ((winding&2) == 0) {
-                // for strips copy back the two last compiled vertices
-                c->vc.vBuffer[0] = *v0;
-            }
-            c->vc.vBuffer[1] = *v1;
-            c->arrays.cull = v0->flags & v1->flags & vertex_t::CLIP_ALL;
-        }
-    } while (count > 0);
-}
-
-void drawPrimitivesTriangleStrip(ogles_context_t* c, 
-        GLint first, GLsizei count) {
-    drawPrimitivesTriangleFanOrStrip(c, first, count, 1);
-}
-
-void drawPrimitivesTriangleFan(ogles_context_t* c,
-        GLint first, GLsizei count) {
-    drawPrimitivesTriangleFanOrStrip(c, first, count, 2);
-}
-
-void drawPrimitivesTriangles(ogles_context_t* c, GLint first, GLsizei count)
-{
-    if (ggl_unlikely(count < 3))
-        return;
-
-    // vertex cache size must be multiple of 3
-    const GLsizei vcs = 
-        ((vertex_cache_t::VERTEX_BUFFER_SIZE +
-        vertex_cache_t::VERTEX_CACHE_SIZE) / 3) * 3;
-    do {
-        vertex_t* v = c->vc.vBuffer;
-        GLsizei num = count > vcs ? vcs : count; 
-        c->arrays.cull = vertex_t::CLIP_ALL;
-        c->arrays.compileElements(c, v, first, num);
-        first += num;
-        count -= num;
-        if (!c->arrays.cull) {
-            // quick/trivial reject of the whole batch
-            num -= 3;
-            do {
-                const uint32_t cc = v[0].flags & v[1].flags & v[2].flags;
-                if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                    c->prims.renderTriangle(c, v, v+1, v+2);
-                v += 3;
-                num -= 3;
-            } while (num >= 0);
-        }
-    } while (count >= 3);
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
-
-// this looks goofy, but gcc does a great job with this...
-static inline unsigned int read_index(int type, const GLvoid*& p) {
-    unsigned int r;
-    if (type) {
-        r = *(const GLubyte*)p;
-        p = (const GLubyte*)p + 1;
-    } else {
-        r = *(const GLushort*)p;
-        p = (const GLushort*)p + 1;
-    }
-    return r;
-}
-
-// ----------------------------------------------------------------------------
-
-void drawIndexedPrimitivesPoints(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices)
-{
-    if (ggl_unlikely(count < 1))
-        return;
-    const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
-    do {
-        vertex_t * v = fetch_vertex(c, read_index(type, indices));
-        if (ggl_likely(!(v->flags & vertex_t::CLIP_ALL)))
-            c->prims.renderPoint(c, v);
-        v->locked = 0;
-        count--;
-    } while(count);
-}
-
-// ----------------------------------------------------------------------------
-
-void drawIndexedPrimitivesLineStrip(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices)
-{
-    if (ggl_unlikely(count < 2))
-        return;
-    
-    vertex_t * const v = c->vc.vBuffer;
-    vertex_t* v0 = v;
-    vertex_t* v1;
-    
-    const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
-    c->arrays.compileElement(c, v0, read_index(type, indices));
-    count -= 1;
-    do {
-        v1 = fetch_vertex(c, read_index(type, indices));
-        const uint32_t cc = v0->flags & v1->flags;
-        if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-            c->prims.renderLine(c, v0, v1);
-        v0->locked = 0;
-        v0 = v1;
-        count--;
-    } while (count);
-    v1->locked = 0;
-}
-
-void drawIndexedPrimitivesLineLoop(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices)
-{
-    if (ggl_unlikely(count <= 2)) {
-        drawIndexedPrimitivesLines(c, count, indices);
-        return;
-    }
- 
-    vertex_t * const v = c->vc.vBuffer;
-    vertex_t* v0 = v;
-    vertex_t* v1;
-    
-    const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
-    c->arrays.compileElement(c, v0, read_index(type, indices));
-    count -= 1;
-    do {
-        v1 = fetch_vertex(c, read_index(type, indices));
-        const uint32_t cc = v0->flags & v1->flags;
-        if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-            c->prims.renderLine(c, v0, v1);
-        v0->locked = 0;
-        v0 = v1;
-        count--;
-    } while (count);
-    v1->locked = 0;
-
-    v1 = c->vc.vBuffer; 
-    const uint32_t cc = v0->flags & v1->flags;
-    if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-        c->prims.renderLine(c, v0, v1);
-}
-
-void drawIndexedPrimitivesLines(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices)
-{
-    if (ggl_unlikely(count < 2))
-        return;
-
-    count -= 2;
-    const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
-    do {
-        vertex_t* const v0 = fetch_vertex(c, read_index(type, indices));
-        vertex_t* const v1 = fetch_vertex(c, read_index(type, indices));
-        const uint32_t cc = v0->flags & v1->flags;
-        if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-            c->prims.renderLine(c, v0, v1);
-        v0->locked = 0;
-        v1->locked = 0;
-        count -= 2;
-    } while (count >= 0);
-}
-
-// ----------------------------------------------------------------------------
-
-static void drawIndexedPrimitivesTriangleFanOrStrip(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices, int winding)
-{
-    // winding == 2 : fan
-    // winding == 1 : strip
-
-    if (ggl_unlikely(count < 3))
-        return;
-    
-    vertex_t * const v = c->vc.vBuffer;
-    vertex_t* v0 = v;
-    vertex_t* v1 = v+1;
-    vertex_t* v2;
-
-    const int type = (c->arrays.indicesType == GL_UNSIGNED_BYTE);
-    c->arrays.compileElement(c, v0, read_index(type, indices));
-    c->arrays.compileElement(c, v1, read_index(type, indices));
-    count -= 2;
-
-    // note: GCC 4.1.1 here makes a prety interesting optimization
-    // where it duplicates the loop below based on c->arrays.indicesType
-
-    do {
-        v2 = fetch_vertex(c, read_index(type, indices));
-        const uint32_t cc = v0->flags & v1->flags & v2->flags;
-        if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-            c->prims.renderTriangle(c, v0, v1, v2);
-        vertex_t* & consumed = ((winding^=1) ? v1 : v0);
-        consumed->locked = 0;
-        consumed = v2;
-        count--;
-    } while (count);
-    v0->locked = v1->locked = 0;
-    v2->locked = 0;
-}
-
-void drawIndexedPrimitivesTriangleStrip(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices) {
-    drawIndexedPrimitivesTriangleFanOrStrip(c, count, indices, 1);
-}
-
-void drawIndexedPrimitivesTriangleFan(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices) {
-    drawIndexedPrimitivesTriangleFanOrStrip(c, count, indices, 2);
-}
-
-void drawIndexedPrimitivesTriangles(ogles_context_t* c,
-        GLsizei count, const GLvoid *indices)
-{
-    if (ggl_unlikely(count < 3))
-        return;
-
-    count -= 3;
-    if (ggl_likely(c->arrays.indicesType == GL_UNSIGNED_SHORT)) {
-        // This case is probably our most common case...
-        uint16_t const * p = (uint16_t const *)indices;
-        do {
-            vertex_t* const v0 = fetch_vertex(c, *p++);
-            vertex_t* const v1 = fetch_vertex(c, *p++);
-            vertex_t* const v2 = fetch_vertex(c, *p++);
-            const uint32_t cc = v0->flags & v1->flags & v2->flags;
-            if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                c->prims.renderTriangle(c, v0, v1, v2);
-            v0->locked = 0;
-            v1->locked = 0;
-            v2->locked = 0;
-            count -= 3;
-        } while (count >= 0);
-    } else {
-        uint8_t const * p = (uint8_t const *)indices;
-        do {
-            vertex_t* const v0 = fetch_vertex(c, *p++);
-            vertex_t* const v1 = fetch_vertex(c, *p++);
-            vertex_t* const v2 = fetch_vertex(c, *p++);
-            const uint32_t cc = v0->flags & v1->flags & v2->flags;
-            if (ggl_likely(!(cc & vertex_t::CLIP_ALL)))
-                c->prims.renderTriangle(c, v0, v1, v2);
-            v0->locked = 0;
-            v1->locked = 0;
-            v2->locked = 0;
-            count -= 3;
-        } while (count >= 0);
-    }
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark Array compilers
-#endif
-
-void compileElement__generic(ogles_context_t* c,
-        vertex_t* v, GLint first)
-{
-    v->flags = 0;
-    v->index = first;
-    first &= vertex_cache_t::INDEX_MASK;
-    const GLubyte* vp = c->arrays.vertex.element(first);
-    c->arrays.vertex.fetch(c, v->obj.v, vp);
-    c->arrays.mvp_transform(&c->transforms.mvp, &v->clip, &v->obj);
-    c->arrays.perspective(c, v);
-}
-
-void compileElements__generic(ogles_context_t* c,
-        vertex_t* v, GLint first, GLsizei count)
-{
-    const GLubyte* vp = c->arrays.vertex.element(
-            first & vertex_cache_t::INDEX_MASK);
-    const size_t stride = c->arrays.vertex.stride;
-    transform_t const* const mvp = &c->transforms.mvp;
-    do {
-        v->flags = 0;
-        v->index = first++;
-        c->arrays.vertex.fetch(c, v->obj.v, vp);
-        c->arrays.mvp_transform(mvp, &v->clip, &v->obj);
-        c->arrays.perspective(c, v);
-        vp += stride;
-        v++;
-    } while (--count);
-}
-
-/*
-void compileElements__3x_full(ogles_context_t* c,
-        vertex_t* v, GLint first, GLsizei count)
-{
-    const GLfixed* vp = (const GLfixed*)c->arrays.vertex.element(first);
-    const size_t stride = c->arrays.vertex.stride / 4;
-//    const GLfixed* const& m = c->transforms.mvp.matrix.m;
-    
-    GLfixed m[16];
-    memcpy(&m, c->transforms.mvp.matrix.m, sizeof(m));
-    
-    do {
-        const GLfixed rx = vp[0];
-        const GLfixed ry = vp[1];
-        const GLfixed rz = vp[2];
-        vp += stride;
-        v->index = first++;
-        v->clip.x = mla3a(rx, m[ 0], ry, m[ 4], rz, m[ 8], m[12]); 
-        v->clip.y = mla3a(rx, m[ 1], ry, m[ 5], rz, m[ 9], m[13]);
-        v->clip.z = mla3a(rx, m[ 2], ry, m[ 6], rz, m[10], m[14]);
-        v->clip.w = mla3a(rx, m[ 3], ry, m[ 7], rz, m[11], m[15]);
-
-        const GLfixed w = v->clip.w;
-        uint32_t clip = 0;
-        if (v->clip.x < -w)   clip |= vertex_t::CLIP_L;
-        if (v->clip.x >  w)   clip |= vertex_t::CLIP_R;
-        if (v->clip.y < -w)   clip |= vertex_t::CLIP_B;
-        if (v->clip.y >  w)   clip |= vertex_t::CLIP_T;
-        if (v->clip.z < -w)   clip |= vertex_t::CLIP_N;
-        if (v->clip.z >  w)   clip |= vertex_t::CLIP_F;
-        v->flags = clip;
-        c->arrays.cull &= clip;
-
-        //c->arrays.perspective(c, v);
-        v++;
-    } while (--count);
-}
-*/
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark clippers
-#endif
-
-static void clipVec4(vec4_t& nv, 
-        GLfixed t, const vec4_t& s, const vec4_t& p)
-{
-    for (int i=0; i<4 ; i++)
-        nv.v[i] = gglMulAddx(t, s.v[i] - p.v[i], p.v[i], 28);
-}
-
-static void clipVertex(ogles_context_t* c, vertex_t* nv,
-        GLfixed t, const vertex_t* s, const vertex_t* p)
-{
-    clipVec4(nv->clip, t, s->clip, p->clip);
-    nv->fog = gglMulAddx(t, s->fog - p->fog, p->fog, 28);
-    ogles_vertex_project(c, nv);
-    nv->flags |=  vertex_t::LIT | vertex_t::EYE | vertex_t::TT;
-    nv->flags &= ~vertex_t::CLIP_ALL;
-}
-
-static void clipVertexC(ogles_context_t* c, vertex_t* nv,
-        GLfixed t, const vertex_t* s, const vertex_t* p)
-{
-    clipVec4(nv->color, t, s->color, p->color);
-    clipVertex(c, nv, t, s, p);
-}
-
-static void clipVertexT(ogles_context_t* c, vertex_t* nv,
-        GLfixed t, const vertex_t* s, const vertex_t* p)
-{
-    for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
-        if (c->rasterizer.state.texture[i].enable)
-            clipVec4(nv->texture[i], t, s->texture[i], p->texture[i]);
-    }
-    clipVertex(c, nv, t, s, p);
-}
-
-static void clipVertexAll(ogles_context_t* c, vertex_t* nv,
-        GLfixed t, const vertex_t* s, const vertex_t* p)
-{
-    clipVec4(nv->color, t, s->color, p->color);
-    clipVertexT(c, nv, t, s, p);
-}
-
-static void clipEye(ogles_context_t* c, vertex_t* nv,
-        GLfixed t, const vertex_t* s, const vertex_t* p)
-{
-    nv->clear();
-    c->arrays.clipVertex(c, nv, t, p, s);
-    clipVec4(nv->eye, t, s->eye, p->eye);
-}
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
-
-void validate_arrays(ogles_context_t* c, GLenum mode)
-{
-    uint32_t enables = c->rasterizer.state.enables;
-
-    // Perspective correction is not need if Ortho transform, but
-    // the user can still provide the w coordinate manually, so we can't
-    // automatically turn it off (in fact we could when the 4th coordinate
-    // is not spcified in the vertex array).
-    // W interpolation is never needed for points.
-    GLboolean perspective = 
-        c->perspective && mode!=GL_POINTS && (enables & GGL_ENABLE_TMUS);
-    c->rasterizer.procs.enableDisable(c, GGL_W_LERP, perspective);
-    
-    // set anti-aliasing
-    GLboolean smooth = GL_FALSE;
-    switch (mode) {
-    case GL_POINTS:
-        smooth = c->point.smooth;
-        break;
-    case GL_LINES:
-    case GL_LINE_LOOP:
-    case GL_LINE_STRIP:
-        smooth = c->line.smooth;
-        break;
-    }
-    if (((enables & GGL_ENABLE_AA)?1:0) != smooth)
-        c->rasterizer.procs.enableDisable(c, GGL_AA, smooth);
-
-    // set the shade model for this primitive
-    c->rasterizer.procs.shadeModel(c,
-            (mode == GL_POINTS) ? GL_FLAT : c->lighting.shadeModel);
-
-    // compute all the matrices we'll need...
-    uint32_t want =
-            transform_state_t::MVP |
-            transform_state_t::VIEWPORT;
-    if (c->lighting.enable) { // needs normal transforms and eye coords
-        want |= transform_state_t::MVUI;
-        want |= transform_state_t::MODELVIEW;
-    }
-    if (enables & GGL_ENABLE_TMUS) { // needs texture transforms
-        want |= transform_state_t::TEXTURE;
-    }
-    if (c->clipPlanes.enable || (enables & GGL_ENABLE_FOG)) { 
-        want |= transform_state_t::MODELVIEW; // needs eye coords
-    }
-    ogles_validate_transform(c, want);
-
-    // textures...
-    if (enables & GGL_ENABLE_TMUS)
-        ogles_validate_texture(c);
-
-    // vertex compilers
-    c->arrays.compileElement = compileElement__generic;
-    c->arrays.compileElements = compileElements__generic;
-
-    // vertex transform
-    c->arrays.mvp_transform =
-        c->transforms.mvp.pointv[c->arrays.vertex.size - 2];
-
-    c->arrays.mv_transform =
-        c->transforms.modelview.transform.pointv[c->arrays.vertex.size - 2];
-    
-    /*
-     * ***********************************************************************
-     *  pick fetchers
-     * ***********************************************************************
-     */
-    
-    array_machine_t& am = c->arrays;
-    am.vertex.fetch = fetchNop;
-    am.normal.fetch = currentNormal;
-    am.color.fetch = currentColor;
-    
-    if (am.vertex.enable) {
-        am.vertex.resolve();
-        if (am.vertex.bo || am.vertex.pointer) {
-            am.vertex.fetch = vertex_fct[am.vertex.size-2][am.vertex.type & 0xF];
-        }
-    }
-
-    if (am.normal.enable) {
-        am.normal.resolve();
-        if (am.normal.bo || am.normal.pointer) {
-            am.normal.fetch = normal_fct[am.normal.size-3][am.normal.type & 0xF];
-        }
-    }
-
-    if (am.color.enable) {
-        am.color.resolve();
-        if (c->lighting.enable) {
-            if (am.color.bo || am.color.pointer) {
-                am.color.fetch = color_fct[am.color.size-3][am.color.type & 0xF];
-            }
-        } else {
-            if (am.color.bo || am.color.pointer) {
-                am.color.fetch = color_clamp_fct[am.color.size-3][am.color.type & 0xF];
-            }
-        }
-    }
-
-    int activeTmuCount = 0;
-    for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
-        am.texture[i].fetch = currentTexCoord;
-        if (c->rasterizer.state.texture[i].enable) {
-
-            // texture fetchers...
-            if (am.texture[i].enable) {
-                am.texture[i].resolve();
-                if (am.texture[i].bo || am.texture[i].pointer) {
-                    am.texture[i].fetch = texture_fct[am.texture[i].size-2][am.texture[i].type & 0xF];
-                }
-            }
-
-            // texture transform...
-            const int index = c->arrays.texture[i].size - 2;
-            c->arrays.tex_transform[i] =
-                c->transforms.texture[i].transform.pointv[index];
-
-            am.tmu = i;
-            activeTmuCount++;
-        }
-    }
-
-    // pick the vertex-clipper
-    uint32_t clipper = 0;
-    // we must reload 'enables' here
-    enables = c->rasterizer.state.enables;
-    if (enables & GGL_ENABLE_SMOOTH)
-        clipper |= 1;   // we need to interpolate colors
-    if (enables & GGL_ENABLE_TMUS)
-        clipper |= 2;   // we need to interpolate textures
-    switch (clipper) {
-    case 0: c->arrays.clipVertex = clipVertex;      break;
-    case 1: c->arrays.clipVertex = clipVertexC;     break;
-    case 2: c->arrays.clipVertex = clipVertexT;     break;
-    case 3: c->arrays.clipVertex = clipVertexAll;   break;
-    }
-    c->arrays.clipEye = clipEye;
-
-    // pick the primitive rasterizer
-    ogles_validate_primitives(c);
-}
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-// ----------------------------------------------------------------------------
-
-using namespace android;
-
-#if 0
-#pragma mark -
-#pragma mark array API
-#endif
-
-void glVertexPointer(
-    GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (size<2 || size>4 || stride<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    switch (type) {
-    case GL_BYTE:
-    case GL_SHORT:
-    case GL_FIXED:
-    case GL_FLOAT:
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    c->arrays.vertex.init(size, type, stride, pointer, c->arrays.array_buffer, 0);
-}
-
-void glColorPointer(
-    GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    // in theory ogles doesn't allow color arrays of size 3
-    // but it is very useful to 'visualize' the normal array.
-    if (size<3 || size>4 || stride<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    switch (type) {
-    case GL_UNSIGNED_BYTE:
-    case GL_FIXED:
-    case GL_FLOAT:
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    c->arrays.color.init(size, type, stride, pointer, c->arrays.array_buffer, 0);
-}
-
-void glNormalPointer(
-    GLenum type, GLsizei stride, const GLvoid *pointer)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (stride<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    switch (type) {
-    case GL_BYTE:
-    case GL_SHORT:
-    case GL_FIXED:
-    case GL_FLOAT:
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    c->arrays.normal.init(3, type, stride, pointer, c->arrays.array_buffer, 0);
-}
-
-void glTexCoordPointer(
-    GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (size<2 || size>4 || stride<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    switch (type) {
-    case GL_BYTE:
-    case GL_SHORT:
-    case GL_FIXED:
-    case GL_FLOAT:
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    const int tmu = c->arrays.activeTexture;
-    c->arrays.texture[tmu].init(size, type, stride, pointer,
-            c->arrays.array_buffer, 0);
-}
-
-
-void glEnableClientState(GLenum array) {
-    ogles_context_t* c = ogles_context_t::get();
-    enableDisableClientState(c, array, true);
-}
-
-void glDisableClientState(GLenum array) {
-    ogles_context_t* c = ogles_context_t::get();
-    enableDisableClientState(c, array, false);
-}
-
-void glClientActiveTexture(GLenum texture)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (texture<GL_TEXTURE0 || texture>=GL_TEXTURE0+GGL_TEXTURE_UNIT_COUNT) {
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    c->arrays.activeTexture = texture - GL_TEXTURE0;
-}
-
-void glDrawArrays(GLenum mode, GLint first, GLsizei count)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (count<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    switch (mode) {
-    case GL_POINTS:
-    case GL_LINE_STRIP:
-    case GL_LINE_LOOP:
-    case GL_LINES:
-    case GL_TRIANGLE_STRIP:
-    case GL_TRIANGLE_FAN:
-    case GL_TRIANGLES:
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-
-    if (count == 0 || !c->arrays.vertex.enable)
-        return;
-    if ((c->cull.enable) && (c->cull.cullFace == GL_FRONT_AND_BACK))
-        return; // all triangles are culled
-
-    validate_arrays(c, mode);
-    drawArraysPrims[mode](c, first, count);
-
-#if VC_CACHE_STATISTICS
-    c->vc.total = count;
-    c->vc.dump_stats(mode);
-#endif
-}
-
-void glDrawElements(
-    GLenum mode, GLsizei count, GLenum type, const GLvoid *indices)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (count<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    switch (mode) {
-    case GL_POINTS:
-    case GL_LINE_STRIP:
-    case GL_LINE_LOOP:
-    case GL_LINES:
-    case GL_TRIANGLE_STRIP:
-    case GL_TRIANGLE_FAN:
-    case GL_TRIANGLES:
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    switch (type) {
-    case GL_UNSIGNED_BYTE:
-    case GL_UNSIGNED_SHORT:
-        c->arrays.indicesType = type;
-        break;
-    default:
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    if (count == 0 || !c->arrays.vertex.enable)
-        return;
-    if ((c->cull.enable) && (c->cull.cullFace == GL_FRONT_AND_BACK))
-        return; // all triangles are culled
-
-    // clear the vertex-cache
-    c->vc.clear();
-    validate_arrays(c, mode);
-    
-    // if indices are in a buffer object, the pointer is treated as an
-    // offset in that buffer.
-    if (c->arrays.element_array_buffer) {
-        indices = c->arrays.element_array_buffer->data + uintptr_t(indices);
-    }
-
-    drawElementsPrims[mode](c, count, indices);
-
-#if VC_CACHE_STATISTICS
-    c->vc.total = count;
-    c->vc.dump_stats(mode);
-#endif
-}
-
-// ----------------------------------------------------------------------------
-// buffers
-// ----------------------------------------------------------------------------
-
-void glBindBuffer(GLenum target, GLuint buffer)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if ((target!=GL_ARRAY_BUFFER) && (target!=GL_ELEMENT_ARRAY_BUFFER)) {
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    // create a buffer object, or bind an existing one
-    buffer_t const* bo = 0;
-    if (buffer) {
-        bo = c->bufferObjectManager->bind(buffer);
-        if (!bo) {
-            ogles_error(c, GL_OUT_OF_MEMORY);
-            return;
-        }
-    }
-    ((target == GL_ARRAY_BUFFER) ? 
-            c->arrays.array_buffer : c->arrays.element_array_buffer) = bo;
-}
-
-void glBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if ((target!=GL_ARRAY_BUFFER) && (target!=GL_ELEMENT_ARRAY_BUFFER)) {
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    if (size<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    if ((usage!=GL_STATIC_DRAW) && (usage!=GL_DYNAMIC_DRAW)) {
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    buffer_t const* bo = ((target == GL_ARRAY_BUFFER) ? 
-            c->arrays.array_buffer : c->arrays.element_array_buffer);
-
-    if (bo == 0) {
-        // can't modify buffer 0
-        ogles_error(c, GL_INVALID_OPERATION);
-        return;
-    }
-
-    buffer_t* edit_bo = const_cast<buffer_t*>(bo);
-    if (c->bufferObjectManager->allocateStore(edit_bo, size, usage) != 0) {
-        ogles_error(c, GL_OUT_OF_MEMORY);
-        return;
-    }
-    if (data) {
-        memcpy(bo->data, data, size);
-    }
-}
-
-void glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if ((target!=GL_ARRAY_BUFFER) && (target!=GL_ELEMENT_ARRAY_BUFFER)) {
-        ogles_error(c, GL_INVALID_ENUM);
-        return;
-    }
-    if (offset<0 || size<0 || data==0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    buffer_t const* bo = ((target == GL_ARRAY_BUFFER) ? 
-            c->arrays.array_buffer : c->arrays.element_array_buffer);
-
-    if (bo == 0) {
-        // can't modify buffer 0
-        ogles_error(c, GL_INVALID_OPERATION);
-        return;
-    }
-    if (offset+size > bo->size) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    memcpy(bo->data + offset, data, size);
-}
-
-void glDeleteBuffers(GLsizei n, const GLuint* buffers)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (n<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-
-    for (int i=0 ; i<n ; i++) {
-        GLuint name = buffers[i];
-        if (name) {
-            // unbind bound deleted buffers...
-            if (c->arrays.element_array_buffer->name == name) {
-                c->arrays.element_array_buffer = 0;
-            }
-            if (c->arrays.array_buffer->name == name) {
-                c->arrays.array_buffer = 0;
-            }
-            if (c->arrays.vertex.bo->name == name) {
-                c->arrays.vertex.bo = 0;
-            }
-            if (c->arrays.normal.bo->name == name) {
-                c->arrays.normal.bo = 0;
-            }
-            if (c->arrays.color.bo->name == name) {
-                c->arrays.color.bo = 0;
-            }
-            for (int t=0 ; t<GGL_TEXTURE_UNIT_COUNT ; t++) {
-                if (c->arrays.texture[t].bo->name == name) {
-                    c->arrays.texture[t].bo = 0;
-                }
-            }
-        }
-    }    
-    c->bufferObjectManager->deleteBuffers(n, buffers);
-    c->bufferObjectManager->recycleTokens(n, buffers);
-}
-
-void glGenBuffers(GLsizei n, GLuint* buffers)
-{
-    ogles_context_t* c = ogles_context_t::get();
-    if (n<0) {
-        ogles_error(c, GL_INVALID_VALUE);
-        return;
-    }
-    c->bufferObjectManager->getToken(n, buffers);
-}