*
*/
-#include "main/bufferobj.h"
+#include "nouveau_driver.h"
#include "nouveau_bufferobj.h"
+#include "nouveau_util.h"
+
+#include "main/bufferobj.h"
+#include "main/glformats.h"
+#include "main/varray.h"
+#include "main/image.h"
/* Arbitrary pushbuf length we can assume we can get with a single
- * WAIT_RING. */
-#define PUSHBUF_DWORDS 2048
+ * call to WAIT_RING. */
+#define PUSHBUF_DWORDS 65536
-/* Functions to set up struct nouveau_array_state from something like
- * a GL array or index buffer. */
+/* Functions to turn GL arrays or index buffers into nouveau_array
+ * structures. */
-static void
-vbo_init_array(struct nouveau_array_state *a, int attr, int stride,
- int fields, int type, struct gl_buffer_object *obj,
- const void *ptr, GLboolean map)
+static int
+get_array_stride(struct gl_context *ctx, const struct tnl_vertex_array *a)
{
- a->attr = attr;
- a->stride = stride;
- a->fields = fields;
- a->type = type;
-
- if (_mesa_is_bufferobj(obj)) {
- nouveau_bo_ref(to_nouveau_bufferobj(obj)->bo, &a->bo);
- a->offset = (intptr_t)ptr;
-
- if (map) {
- nouveau_bo_map(a->bo, NOUVEAU_BO_RD);
- a->buf = a->bo->map + a->offset;
- } else {
- a->buf = NULL;
- }
+ struct nouveau_render_state *render = to_render_state(ctx);
+ const struct gl_vertex_buffer_binding *binding = a->BufferBinding;
+ if (render->mode == VBO && !_mesa_is_bufferobj(binding->BufferObj)) {
+ const struct gl_array_attributes *attrib = a->VertexAttrib;
+ /* Pack client buffers. */
+ return align(attrib->Format._ElementSize, 4);
} else {
- nouveau_bo_ref(NULL, &a->bo);
- a->offset = 0;
- a->buf = ptr;
+ return binding->Stride;
}
-
- if (a->buf)
- get_array_extract(a, &a->extract_u, &a->extract_f);
}
static void
-vbo_deinit_array(struct nouveau_array_state *a)
-{
- if (a->bo) {
- if (a->bo->map)
- nouveau_bo_unmap(a->bo);
- nouveau_bo_ref(NULL, &a->bo);
- }
-
- a->buf = NULL;
- a->fields = 0;
-}
-
-static void
-vbo_init_arrays(GLcontext *ctx, const struct _mesa_index_buffer *ib,
- const struct gl_client_array **arrays)
+vbo_init_arrays(struct gl_context *ctx, const struct _mesa_index_buffer *ib,
+ const struct tnl_vertex_array *arrays)
{
struct nouveau_render_state *render = to_render_state(ctx);
- int i;
+ GLboolean imm = (render->mode == IMM);
+ int i, attr;
- if (ib)
- vbo_init_array(&render->ib, 0, 0, ib->count, ib->type,
- ib->obj, ib->ptr, GL_TRUE);
+ if (ib) {
+ GLenum ib_type;
- for (i = 0; i < render->attr_count; i++) {
- int attr = render->map[i];
+ if (ib->index_size_shift == 2)
+ ib_type = GL_UNSIGNED_INT;
+ else if (ib->index_size_shift == 1)
+ ib_type = GL_UNSIGNED_SHORT;
+ else
+ ib_type = GL_UNSIGNED_BYTE;
- if (attr >= 0) {
- const struct gl_client_array *array = arrays[attr];
+ nouveau_init_array(&render->ib, 0, 0, ib->count, ib_type,
+ ib->obj, ib->ptr, GL_TRUE, ctx);
+ }
- vbo_init_array(&render->attrs[attr], attr,
- array->StrideB, array->Size,
- array->Type, array->BufferObj,
- array->Ptr, render->mode == IMM);
- }
+ FOR_EACH_BOUND_ATTR(render, i, attr) {
+ const struct tnl_vertex_array *array = &arrays[attr];
+ const struct gl_vertex_buffer_binding *binding =
+ array->BufferBinding;
+ const struct gl_array_attributes *attrib = array->VertexAttrib;
+ const GLubyte *p = _mesa_vertex_attrib_address(attrib, binding);
+
+ nouveau_init_array(&render->attrs[attr], attr,
+ get_array_stride(ctx, array),
+ attrib->Format.Size, attrib->Format.Type,
+ imm ? binding->BufferObj : NULL,
+ p, imm, ctx);
}
}
static void
-vbo_deinit_arrays(GLcontext *ctx, const struct _mesa_index_buffer *ib,
- const struct gl_client_array **arrays)
+vbo_deinit_arrays(struct gl_context *ctx, const struct _mesa_index_buffer *ib,
+ const struct tnl_vertex_array *arrays)
{
struct nouveau_render_state *render = to_render_state(ctx);
- int i;
+ int i, attr;
if (ib)
- vbo_deinit_array(&render->ib);
+ nouveau_cleanup_array(&render->ib);
- for (i = 0; i < render->attr_count; i++) {
- int *attr = &render->map[i];
+ FOR_EACH_BOUND_ATTR(render, i, attr) {
+ struct nouveau_array *a = &render->attrs[attr];
- if (*attr >= 0) {
- vbo_deinit_array(&render->attrs[*attr]);
- *attr = -1;
- }
+ if (render->mode == IMM)
+ nouveau_bo_ref(NULL, &a->bo);
+
+ nouveau_deinit_array(a);
+ render->map[i] = -1;
}
render->attr_count = 0;
/* Make some rendering decisions from the GL context. */
static void
-vbo_choose_render_mode(GLcontext *ctx, const struct gl_client_array **arrays)
+vbo_choose_render_mode(struct gl_context *ctx, const struct tnl_vertex_array *arrays)
{
struct nouveau_render_state *render = to_render_state(ctx);
int i;
render->mode = VBO;
if (ctx->Light.Enabled) {
- for (i = 0; i < MAT_ATTRIB_MAX; i++) {
- if (arrays[VERT_ATTRIB_GENERIC0 + i]->StrideB) {
+ for (i = 0; i < VERT_ATTRIB_MAT_MAX; i++) {
+ if (arrays[VERT_ATTRIB_MAT(i)].BufferBinding->Stride) {
render->mode = IMM;
break;
}
}
}
-
- if (render->mode == VBO)
- render->attr_count = NUM_VERTEX_ATTRS;
- else
- render->attr_count = 0;
}
static void
-vbo_emit_attr(GLcontext *ctx, const struct gl_client_array **arrays, int attr)
+vbo_emit_attr(struct gl_context *ctx, const struct tnl_vertex_array *arrays,
+ int attr)
{
- struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_render_state *render = to_render_state(ctx);
- const struct gl_client_array *array = arrays[attr];
- struct nouveau_array_state *a = &render->attrs[attr];
+ const struct tnl_vertex_array *array = &arrays[attr];
+ const struct gl_vertex_buffer_binding *binding = array->BufferBinding;
+ const struct gl_array_attributes *attrib = array->VertexAttrib;
+ const GLubyte *p = _mesa_vertex_attrib_address(attrib, binding);
+ struct nouveau_array *a = &render->attrs[attr];
RENDER_LOCALS(ctx);
- if (!array->StrideB) {
- if (attr >= VERT_ATTRIB_GENERIC0)
+ if (!binding->Stride) {
+ if (attr >= VERT_ATTRIB_MAT(0))
/* nouveau_update_state takes care of materials. */
return;
/* Constant attribute. */
- vbo_init_array(a, attr, array->StrideB, array->Size,
- array->Type, array->BufferObj, array->Ptr,
- GL_TRUE);
+ nouveau_init_array(a, attr, binding->Stride, attrib->Format.Size,
+ attrib->Format.Type, binding->BufferObj, p,
+ GL_TRUE, ctx);
EMIT_IMM(ctx, a, 0);
- vbo_deinit_array(a);
+ nouveau_deinit_array(a);
} else {
/* Varying attribute. */
if (render->mode == VBO) {
render->map[info->vbo_index] = attr;
- render->vertex_size += array->_ElementSize;
+ render->vertex_size += attrib->Format._ElementSize;
+ render->attr_count = MAX2(render->attr_count,
+ info->vbo_index + 1);
} else {
render->map[render->attr_count++] = attr;
render->vertex_size += 4 * info->imm_fields;
}
}
-#define MAT(a) (VERT_ATTRIB_GENERIC0 + MAT_ATTRIB_##a)
+#define MAT(a) VERT_ATTRIB_MAT(MAT_ATTRIB_##a)
static void
-vbo_choose_attrs(GLcontext *ctx, const struct gl_client_array **arrays)
+vbo_choose_attrs(struct gl_context *ctx, const struct tnl_vertex_array *arrays)
{
struct nouveau_render_state *render = to_render_state(ctx);
int i;
/* Reset the vertex size. */
render->vertex_size = 0;
+ render->attr_count = 0;
vbo_emit_attr(ctx, arrays, VERT_ATTRIB_COLOR0);
if (ctx->Fog.ColorSumEnabled && !ctx->Light.Enabled)
if (ctx->Fog.Enabled && ctx->Fog.FogCoordinateSource == GL_FOG_COORD)
vbo_emit_attr(ctx, arrays, VERT_ATTRIB_FOG);
- if (ctx->Light.Enabled) {
+ if (ctx->Light.Enabled ||
+ (ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS))
vbo_emit_attr(ctx, arrays, VERT_ATTRIB_NORMAL);
+ if (ctx->Light.Enabled && render->mode == IMM) {
vbo_emit_attr(ctx, arrays, MAT(FRONT_AMBIENT));
vbo_emit_attr(ctx, arrays, MAT(FRONT_DIFFUSE));
vbo_emit_attr(ctx, arrays, MAT(FRONT_SPECULAR));
vbo_emit_attr(ctx, arrays, VERT_ATTRIB_POS);
}
+static int
+get_max_client_stride(struct gl_context *ctx, const struct tnl_vertex_array *arrays)
+{
+ struct nouveau_render_state *render = to_render_state(ctx);
+ int i, attr, s = 0;
+
+ FOR_EACH_BOUND_ATTR(render, i, attr) {
+ const struct tnl_vertex_array *a = &arrays[attr];
+
+ if (!_mesa_is_bufferobj(a->BufferBinding->BufferObj))
+ s = MAX2(s, get_array_stride(ctx, a));
+ }
+
+ return s;
+}
+
static void
-TAG(vbo_render_prims)(GLcontext *ctx, const struct gl_client_array **arrays,
+TAG(vbo_render_prims)(struct gl_context *ctx,
+ const struct tnl_vertex_array *arrays,
const struct _mesa_prim *prims, GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
- GLuint min_index, GLuint max_index);
+ GLuint min_index, GLuint max_index,
+ GLuint num_instances, GLuint base_instance,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream);
static GLboolean
-vbo_maybe_split(GLcontext *ctx, const struct gl_client_array **arrays,
+vbo_maybe_split(struct gl_context *ctx, const struct tnl_vertex_array *arrays,
const struct _mesa_prim *prims, GLuint nr_prims,
const struct _mesa_index_buffer *ib,
- GLuint min_index, GLuint max_index)
+ GLuint min_index, GLuint max_index,
+ GLuint num_instances, GLuint base_instance)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
- unsigned pushbuf_avail = PUSHBUF_DWORDS - 2 * nctx->bo.count,
+ struct nouveau_render_state *render = to_render_state(ctx);
+ struct nouveau_bufctx *bufctx = nctx->hw.bufctx;
+ unsigned pushbuf_avail = PUSHBUF_DWORDS - 2 * (bufctx->relocs +
+ render->attr_count),
vert_avail = get_max_vertices(ctx, NULL, pushbuf_avail),
idx_avail = get_max_vertices(ctx, ib, pushbuf_avail);
+ int stride;
+
+ /* Try to keep client buffers smaller than the scratch BOs. */
+ if (render->mode == VBO &&
+ (stride = get_max_client_stride(ctx, arrays)))
+ vert_avail = MIN2(vert_avail,
+ NOUVEAU_SCRATCH_SIZE / stride);
- if ((ib && ib->count > idx_avail) ||
- (!ib && max_index - min_index > vert_avail)) {
+ if (max_index - min_index > vert_avail ||
+ (ib && ib->count > idx_avail)) {
struct split_limits limits = {
.max_verts = vert_avail,
.max_indices = idx_avail,
.max_vb_size = ~0,
};
- vbo_split_prims(ctx, arrays, prims, nr_prims, ib, min_index,
- max_index, TAG(vbo_render_prims), &limits);
+ _tnl_split_prims(ctx, arrays, prims, nr_prims, ib, min_index,
+ max_index, num_instances, base_instance,
+ TAG(vbo_render_prims), &limits);
return GL_TRUE;
}
/* VBO rendering path. */
+static GLboolean
+check_update_array(struct nouveau_array *a, unsigned offset,
+ struct nouveau_bo *bo, int *pdelta)
+{
+ int delta = *pdelta;
+ GLboolean dirty;
+
+ if (a->bo == bo) {
+ if (delta < 0)
+ delta = ((int)offset - (int)a->offset) / a->stride;
+
+ dirty = (delta < 0 ||
+ offset != (a->offset + delta * a->stride));
+ } else {
+ dirty = GL_TRUE;
+ }
+
+ *pdelta = (dirty ? 0 : delta);
+ return dirty;
+}
+
static void
-vbo_bind_vertices(GLcontext *ctx, const struct gl_client_array **arrays,
- GLint basevertex, GLuint min_index, GLuint max_index)
+vbo_bind_vertices(struct gl_context *ctx, const struct tnl_vertex_array *arrays,
+ int base, unsigned min_index, unsigned max_index, int *pdelta)
{
struct nouveau_render_state *render = to_render_state(ctx);
- int i;
+ struct nouveau_pushbuf *push = context_push(ctx);
+ struct nouveau_bo *bo[NUM_VERTEX_ATTRS];
+ unsigned offset[NUM_VERTEX_ATTRS];
+ GLboolean dirty = GL_FALSE;
+ int i, j, attr;
+ RENDER_LOCALS(ctx);
- for (i = 0; i < NUM_VERTEX_ATTRS; i++) {
- int attr = render->map[i];
+ *pdelta = -1;
- if (attr >= 0) {
- const struct gl_client_array *array = arrays[attr];
- struct nouveau_array_state *a = &render->attrs[attr];
- unsigned delta = (basevertex + min_index) * a->stride,
- size = (max_index - min_index + 1) * a->stride;
+ FOR_EACH_BOUND_ATTR(render, i, attr) {
+ const struct tnl_vertex_array *array = &arrays[attr];
+ const struct gl_vertex_buffer_binding *binding =
+ array->BufferBinding;
+ const struct gl_array_attributes *attrib = array->VertexAttrib;
+ const GLubyte *p = _mesa_vertex_attrib_address(attrib, binding);
+ struct gl_buffer_object *obj = binding->BufferObj;
+ struct nouveau_array *a = &render->attrs[attr];
+ unsigned delta = (base + min_index) * binding->Stride;
- if (a->bo) {
- a->offset = (intptr_t)array->Ptr + delta;
- } else {
- void *scratch = get_scratch_vbo(ctx, size,
- &a->bo,
- &a->offset);
+ bo[i] = NULL;
- memcpy(scratch, a->buf + delta, size);
- }
+ if (nouveau_bufferobj_hw(obj)) {
+ /* Array in a buffer obj. */
+ nouveau_bo_ref(to_nouveau_bufferobj(obj)->bo, &bo[i]);
+ offset[i] = delta + (intptr_t)p;
+
+ } else {
+ int n = max_index - min_index + 1;
+ char *sp = (char *)ADD_POINTERS(
+ nouveau_bufferobj_sys(obj), p) + delta;
+ char *dp = nouveau_get_scratch(ctx, n * a->stride,
+ &bo[i], &offset[i]);
+
+ /* Array in client memory, move it to a
+ * scratch buffer obj. */
+ for (j = 0; j < n; j++)
+ memcpy(dp + j * a->stride,
+ sp + j * binding->Stride,
+ a->stride);
+ }
+
+ dirty |= check_update_array(a, offset[i], bo[i], pdelta);
+ }
+
+ *pdelta -= min_index;
+
+ if (dirty) {
+ /* Buffers changed, update the attribute binding. */
+ FOR_EACH_BOUND_ATTR(render, i, attr) {
+ struct nouveau_array *a = &render->attrs[attr];
+
+ nouveau_bo_ref(NULL, &a->bo);
+ a->offset = offset[i];
+ a->bo = bo[i];
}
+
+ TAG(render_release_vertices)(ctx);
+ TAG(render_bind_vertices)(ctx);
+ } else {
+ /* Just cleanup. */
+ FOR_EACH_BOUND_ATTR(render, i, attr)
+ nouveau_bo_ref(NULL, &bo[i]);
}
- TAG(render_bind_vertices)(ctx);
+ BATCH_VALIDATE();
}
static void
-vbo_draw_vbo(GLcontext *ctx, const struct gl_client_array **arrays,
+vbo_draw_vbo(struct gl_context *ctx, const struct tnl_vertex_array *arrays,
const struct _mesa_prim *prims, GLuint nr_prims,
const struct _mesa_index_buffer *ib, GLuint min_index,
GLuint max_index)
{
- struct nouveau_channel *chan = context_chan(ctx);
- dispatch_t dispatch;
- int delta = -min_index, basevertex = 0, i;
+ struct nouveau_context *nctx = to_nouveau_context(ctx);
+ struct nouveau_pushbuf *push = context_push(ctx);
+ dispatch_t dispatch = get_array_dispatch(&to_render_state(ctx)->ib);
+ int i, delta = 0, basevertex = 0;
RENDER_LOCALS(ctx);
- get_array_dispatch(&to_render_state(ctx)->ib, &dispatch);
-
TAG(render_set_format)(ctx);
for (i = 0; i < nr_prims; i++) {
if (i == 0 || basevertex != prims[i].basevertex) {
basevertex = prims[i].basevertex;
- vbo_bind_vertices(ctx, arrays, basevertex,
- min_index, max_index);
+ vbo_bind_vertices(ctx, arrays, basevertex, min_index,
+ max_index, &delta);
+
+ nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
+ if (nouveau_pushbuf_validate(push)) {
+ nouveau_pushbuf_bufctx(push, NULL);
+ return;
+ }
}
- if (count > get_max_vertices(ctx, ib, chan->pushbuf->remaining))
- WAIT_RING(chan, PUSHBUF_DWORDS);
+ if (count > get_max_vertices(ctx, ib, PUSH_AVAIL(push)))
+ PUSH_SPACE(push, PUSHBUF_DWORDS);
BATCH_BEGIN(nvgl_primitive(prims[i].mode));
dispatch(ctx, start, delta, count);
BATCH_END();
}
- FIRE_RING(chan);
+ nouveau_pushbuf_bufctx(push, NULL);
+ TAG(render_release_vertices)(ctx);
}
/* Immediate rendering path. */
static unsigned
-extract_id(struct nouveau_array_state *a, int i, int j)
+extract_id(struct nouveau_array *a, int i, int j)
{
return j;
}
static void
-vbo_draw_imm(GLcontext *ctx, const struct gl_client_array **arrays,
+vbo_draw_imm(struct gl_context *ctx, const struct tnl_vertex_array *arrays,
const struct _mesa_prim *prims, GLuint nr_prims,
const struct _mesa_index_buffer *ib, GLuint min_index,
GLuint max_index)
{
struct nouveau_render_state *render = to_render_state(ctx);
- struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_context *nctx = to_nouveau_context(ctx);
+ struct nouveau_pushbuf *push = context_push(ctx);
extract_u_t extract = ib ? render->ib.extract_u : extract_id;
- int i, j, k;
+ int i, j, k, attr;
RENDER_LOCALS(ctx);
+ nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
+ if (nouveau_pushbuf_validate(push)) {
+ nouveau_pushbuf_bufctx(push, NULL);
+ return;
+ }
+
for (i = 0; i < nr_prims; i++) {
unsigned start = prims[i].start,
end = start + prims[i].count;
if (prims[i].count > get_max_vertices(ctx, ib,
- chan->pushbuf->remaining))
- WAIT_RING(chan, PUSHBUF_DWORDS);
+ PUSH_AVAIL(push)))
+ PUSH_SPACE(push, PUSHBUF_DWORDS);
BATCH_BEGIN(nvgl_primitive(prims[i].mode));
j = prims[i].basevertex +
extract(&render->ib, 0, start);
- for (k = 0; k < render->attr_count; k++)
- EMIT_IMM(ctx, &render->attrs[render->map[k]],
- j);
+ FOR_EACH_BOUND_ATTR(render, k, attr)
+ EMIT_IMM(ctx, &render->attrs[attr], j);
}
BATCH_END();
}
- FIRE_RING(chan);
+ nouveau_pushbuf_bufctx(push, NULL);
}
/* draw_prims entry point when we're doing hw-tnl. */
static void
-TAG(vbo_render_prims)(GLcontext *ctx, const struct gl_client_array **arrays,
+TAG(vbo_render_prims)(struct gl_context *ctx,
+ const struct tnl_vertex_array *arrays,
const struct _mesa_prim *prims, GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
- GLuint min_index, GLuint max_index)
+ GLuint min_index, GLuint max_index,
+ GLuint num_instances, GLuint base_instance,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream)
{
struct nouveau_render_state *render = to_render_state(ctx);
if (!index_bounds_valid)
- vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index);
+ vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
+ nr_prims);
vbo_choose_render_mode(ctx, arrays);
vbo_choose_attrs(ctx, arrays);
if (vbo_maybe_split(ctx, arrays, prims, nr_prims, ib, min_index,
- max_index))
+ max_index, num_instances, base_instance))
return;
vbo_init_arrays(ctx, ib, arrays);
vbo_deinit_arrays(ctx, ib, arrays);
}
+
+/* VBO rendering entry points. */
+
+static void
+TAG(vbo_check_render_prims)(struct gl_context *ctx,
+ const struct tnl_vertex_array *arrays,
+ const struct _mesa_prim *prims, GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLboolean index_bounds_valid,
+ GLuint min_index, GLuint max_index,
+ GLuint num_instances, GLuint base_instance,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream)
+{
+ struct nouveau_context *nctx = to_nouveau_context(ctx);
+
+ nouveau_validate_framebuffer(ctx);
+
+ if (nctx->fallback == HWTNL)
+ TAG(vbo_render_prims)(ctx, arrays, prims, nr_prims, ib,
+ index_bounds_valid, min_index, max_index,
+ num_instances, base_instance,
+ tfb_vertcount, stream);
+
+ if (nctx->fallback == SWTNL)
+ _tnl_draw_prims(ctx, arrays, prims, nr_prims, ib,
+ index_bounds_valid, min_index, max_index,
+ num_instances, base_instance,
+ tfb_vertcount, stream);
+}
+
+static void
+TAG(vbo_draw)(struct gl_context *ctx,
+ const struct _mesa_prim *prims, GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLboolean index_bounds_valid,
+ GLuint min_index, GLuint max_index,
+ GLuint num_instances, GLuint base_instance,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream)
+{
+ /* Borrow and update the inputs list from the tnl context */
+ const struct tnl_vertex_array* arrays = _tnl_bind_inputs(ctx);
+
+ TAG(vbo_check_render_prims)(ctx, arrays,
+ prims, nr_prims, ib,
+ index_bounds_valid, min_index, max_index,
+ num_instances, base_instance,
+ tfb_vertcount, stream);
+}
+
+void
+TAG(vbo_init)(struct gl_context *ctx)
+{
+ struct nouveau_render_state *render = to_render_state(ctx);
+ int i;
+
+ for (i = 0; i < VERT_ATTRIB_MAX; i++)
+ render->map[i] = -1;
+
+ /* Overwrite our draw function */
+ ctx->Driver.Draw = TAG(vbo_draw);
+}
+
+void
+TAG(vbo_destroy)(struct gl_context *ctx)
+{
+}