aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/vbo
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/mesa/vbo')
-rw-r--r--mesalib/src/mesa/vbo/vbo.h11
-rw-r--r--mesalib/src/mesa/vbo/vbo_exec_api.c1
-rw-r--r--mesalib/src/mesa/vbo/vbo_exec_array.c268
-rw-r--r--mesalib/src/mesa/vbo/vbo_exec_draw.c2
-rw-r--r--mesalib/src/mesa/vbo/vbo_primitive_restart.c40
-rw-r--r--mesalib/src/mesa/vbo/vbo_rebase.c2
-rw-r--r--mesalib/src/mesa/vbo/vbo_save_api.c2
-rw-r--r--mesalib/src/mesa/vbo/vbo_save_draw.c2
-rw-r--r--mesalib/src/mesa/vbo/vbo_split_copy.c2
-rw-r--r--mesalib/src/mesa/vbo/vbo_split_inplace.c2
10 files changed, 316 insertions, 16 deletions
diff --git a/mesalib/src/mesa/vbo/vbo.h b/mesalib/src/mesa/vbo/vbo.h
index c4472e9c2..6e1a4aa1a 100644
--- a/mesalib/src/mesa/vbo/vbo.h
+++ b/mesalib/src/mesa/vbo/vbo.h
@@ -46,13 +46,16 @@ struct _mesa_prim {
GLuint end:1;
GLuint weak:1;
GLuint no_current_update:1;
- GLuint pad:19;
+ GLuint is_indirect:1;
+ GLuint pad:18;
GLuint start;
GLuint count;
GLint basevertex;
GLuint num_instances;
GLuint base_instance;
+
+ GLsizeiptr indirect_offset;
};
/* Would like to call this a "vbo_index_buffer", but this would be
@@ -89,7 +92,8 @@ typedef void (*vbo_draw_func)( struct gl_context *ctx,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index,
- struct gl_transform_feedback_object *tfb_vertcount );
+ struct gl_transform_feedback_object *tfb_vertcount,
+ struct gl_buffer_object *indirect );
@@ -182,7 +186,8 @@ void
vbo_sw_primitive_restart(struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims,
- const struct _mesa_index_buffer *ib);
+ const struct _mesa_index_buffer *ib,
+ struct gl_buffer_object *indirect);
void GLAPIENTRY
_es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
diff --git a/mesalib/src/mesa/vbo/vbo_exec_api.c b/mesalib/src/mesa/vbo/vbo_exec_api.c
index 600398c58..c84d97f56 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_api.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_api.c
@@ -702,6 +702,7 @@ static void GLAPIENTRY vbo_exec_Begin( GLenum mode )
exec->vtx.prim[i].count = 0;
exec->vtx.prim[i].num_instances = 1;
exec->vtx.prim[i].base_instance = 0;
+ exec->vtx.prim[i].is_indirect = 0;
ctx->Driver.CurrentExecPrimitive = mode;
diff --git a/mesalib/src/mesa/vbo/vbo_exec_array.c b/mesalib/src/mesa/vbo/vbo_exec_array.c
index d72382376..8152fa162 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_array.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_array.c
@@ -579,11 +579,11 @@ vbo_handle_primitive_restart(struct gl_context *ctx,
ctx->Const.PrimitiveRestartInSoftware &&
ctx->Array._PrimitiveRestart) {
/* Handle primitive restart in software */
- vbo_sw_primitive_restart(ctx, prim, nr_prims, ib);
+ vbo_sw_primitive_restart(ctx, prim, nr_prims, ib, NULL);
} else {
/* Call driver directly for draw_prims */
vbo->draw_prims(ctx, prim, nr_prims, ib,
- index_bounds_valid, min_index, max_index, NULL);
+ index_bounds_valid, min_index, max_index, NULL, NULL);
}
}
@@ -611,6 +611,7 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start,
prim[0].mode = mode;
prim[0].num_instances = numInstances;
prim[0].base_instance = baseInstance;
+ prim[0].is_indirect = 0;
/* Implement the primitive restart index */
if (ctx->Array.PrimitiveRestart && ctx->Array.RestartIndex < count) {
@@ -648,7 +649,7 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start,
/* draw one or two prims */
check_buffers_are_unmapped(exec->array.inputs);
vbo->draw_prims(ctx, prim, primCount, NULL,
- GL_TRUE, start, start + count - 1, NULL);
+ GL_TRUE, start, start + count - 1, NULL, NULL);
}
}
else {
@@ -659,7 +660,7 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start,
check_buffers_are_unmapped(exec->array.inputs);
vbo->draw_prims(ctx, prim, 1, NULL,
GL_TRUE, start, start + count - 1,
- NULL);
+ NULL, NULL);
}
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
@@ -965,6 +966,7 @@ vbo_validated_drawrangeelements(struct gl_context *ctx, GLenum mode,
prim[0].start = 0;
prim[0].count = count;
prim[0].indexed = 1;
+ prim[0].is_indirect = 0;
prim[0].basevertex = basevertex;
prim[0].num_instances = numInstances;
prim[0].base_instance = baseInstance;
@@ -1368,6 +1370,7 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
prim[i].indexed = 1;
prim[i].num_instances = 1;
prim[i].base_instance = 0;
+ prim[i].is_indirect = 0;
if (basevertex != NULL)
prim[i].basevertex = basevertex[i];
else
@@ -1397,6 +1400,7 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
prim[0].indexed = 1;
prim[0].num_instances = 1;
prim[0].base_instance = 0;
+ prim[0].is_indirect = 0;
if (basevertex != NULL)
prim[0].basevertex = basevertex[i];
else
@@ -1483,6 +1487,7 @@ vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode,
prim[0].mode = mode;
prim[0].num_instances = numInstances;
prim[0].base_instance = 0;
+ prim[0].is_indirect = 0;
/* Maybe we should do some primitive splitting for primitive restart
* (like in DrawArrays), but we have no way to know how many vertices
@@ -1490,7 +1495,7 @@ vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode,
check_buffers_are_unmapped(exec->array.inputs);
vbo->draw_prims(ctx, prim, 1, NULL,
- GL_TRUE, 0, 0, obj);
+ GL_TRUE, 0, 0, obj, NULL);
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
_mesa_flush(ctx);
@@ -1564,6 +1569,252 @@ vbo_exec_DrawTransformFeedbackStreamInstanced(GLenum mode, GLuint name,
vbo_draw_transform_feedback(ctx, mode, obj, stream, primcount);
}
+static void
+vbo_validated_drawarraysindirect(struct gl_context *ctx,
+ GLenum mode, const GLvoid *indirect)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
+ struct _mesa_prim prim[1];
+
+ vbo_bind_arrays(ctx);
+
+ memset(prim, 0, sizeof(prim));
+ prim[0].begin = 1;
+ prim[0].end = 1;
+ prim[0].mode = mode;
+ prim[0].is_indirect = 1;
+ prim[0].indirect_offset = (GLsizeiptr)indirect;
+
+ /* NOTE: We do NOT want to handle primitive restart here, nor perform any
+ * other checks that require knowledge of the values in the command buffer.
+ * That would defeat the whole purpose of this function.
+ */
+
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo->draw_prims(ctx, prim, 1,
+ NULL, GL_TRUE, 0, ~0,
+ NULL,
+ ctx->DrawIndirectBuffer);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH)
+ _mesa_flush(ctx);
+}
+
+static void
+vbo_validated_multidrawarraysindirect(struct gl_context *ctx,
+ GLenum mode,
+ const GLvoid *indirect,
+ GLsizei primcount, GLsizei stride)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
+ struct _mesa_prim *prim;
+ GLsizei i;
+ GLsizeiptr offset = (GLsizeiptr)indirect;
+
+ if (primcount == 0)
+ return;
+ prim = calloc(primcount, sizeof(*prim));
+ if (prim == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMultiDrawArraysIndirect");
+ return;
+ }
+
+ vbo_bind_arrays(ctx);
+
+ prim[0].begin = 1;
+ prim[primcount - 1].end = 1;
+ for (i = 0; i < primcount; ++i, offset += stride) {
+ prim[i].mode = mode;
+ prim[i].indirect_offset = offset;
+ prim[i].is_indirect = 1;
+ }
+
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo->draw_prims(ctx, prim, primcount,
+ NULL, GL_TRUE, 0, ~0,
+ NULL,
+ ctx->DrawIndirectBuffer);
+
+ free(prim);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH)
+ _mesa_flush(ctx);
+}
+
+static void
+vbo_validated_drawelementsindirect(struct gl_context *ctx,
+ GLenum mode, GLenum type,
+ const GLvoid *indirect)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
+ struct _mesa_index_buffer ib;
+ struct _mesa_prim prim[1];
+
+ vbo_bind_arrays(ctx);
+
+ ib.count = 0; /* unknown */
+ ib.type = type;
+ ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj;
+ ib.ptr = NULL;
+
+ memset(prim, 0, sizeof(prim));
+ prim[0].begin = 1;
+ prim[0].end = 1;
+ prim[0].mode = mode;
+ prim[0].indexed = 1;
+ prim[0].indirect_offset = (GLsizeiptr)indirect;
+ prim[0].is_indirect = 1;
+
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo->draw_prims(ctx, prim, 1,
+ &ib, GL_TRUE, 0, ~0,
+ NULL,
+ ctx->DrawIndirectBuffer);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH)
+ _mesa_flush(ctx);
+}
+
+static void
+vbo_validated_multidrawelementsindirect(struct gl_context *ctx,
+ GLenum mode, GLenum type,
+ const GLvoid *indirect,
+ GLsizei primcount, GLsizei stride)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
+ struct _mesa_index_buffer ib;
+ struct _mesa_prim *prim;
+ GLsizei i;
+ GLsizeiptr offset = (GLsizeiptr)indirect;
+
+ if (primcount == 0)
+ return;
+ prim = calloc(primcount, sizeof(*prim));
+ if (prim == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMultiDrawElementsIndirect");
+ return;
+ }
+
+ vbo_bind_arrays(ctx);
+
+ /* NOTE: ElementArrayBufferObj is guaranteed to be a VBO. */
+
+ ib.count = 0; /* unknown */
+ ib.type = type;
+ ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj;
+ ib.ptr = NULL;
+
+ prim[0].begin = 1;
+ prim[primcount - 1].end = 1;
+ for (i = 0; i < primcount; ++i, offset += stride) {
+ prim[i].mode = mode;
+ prim[i].indexed = 1;
+ prim[i].indirect_offset = offset;
+ prim[i].is_indirect = 1;
+ }
+
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo->draw_prims(ctx, prim, primcount,
+ &ib, GL_TRUE, 0, ~0,
+ NULL,
+ ctx->DrawIndirectBuffer);
+
+ free(prim);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH)
+ _mesa_flush(ctx);
+}
+
+/**
+ * Like [Multi]DrawArrays/Elements, but they take most arguments from
+ * a buffer object.
+ */
+static void GLAPIENTRY
+vbo_exec_DrawArraysIndirect(GLenum mode, const GLvoid *indirect)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glDrawArraysIndirect(%s, %p)\n",
+ _mesa_lookup_enum_by_nr(mode), indirect);
+
+ if (!_mesa_validate_DrawArraysIndirect(ctx, mode, indirect))
+ return;
+
+ vbo_validated_drawarraysindirect(ctx, mode, indirect);
+}
+
+static void GLAPIENTRY
+vbo_exec_DrawElementsIndirect(GLenum mode, GLenum type,
+ const GLvoid *indirect)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glDrawElementsIndirect(%s, %s, %p)\n",
+ _mesa_lookup_enum_by_nr(mode),
+ _mesa_lookup_enum_by_nr(type), indirect);
+
+ if (!_mesa_validate_DrawElementsIndirect(ctx, mode, type, indirect))
+ return;
+
+ vbo_validated_drawelementsindirect(ctx, mode, type, indirect);
+}
+
+static void GLAPIENTRY
+vbo_exec_MultiDrawArraysIndirect(GLenum mode,
+ const GLvoid *indirect,
+ GLsizei primcount, GLsizei stride)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glMultiDrawArraysIndirect(%s, %p, %i, %i)\n",
+ _mesa_lookup_enum_by_nr(mode), indirect, primcount, stride);
+
+ /* If <stride> is zero, the array elements are treated as tightly packed. */
+ if (stride == 0)
+ stride = 4 * sizeof(GLuint); /* sizeof(DrawArraysIndirectCommand) */
+
+ if (!_mesa_validate_MultiDrawArraysIndirect(ctx, mode,
+ indirect,
+ primcount, stride))
+ return;
+
+ vbo_validated_multidrawarraysindirect(ctx, mode,
+ indirect,
+ primcount, stride);
+}
+
+static void GLAPIENTRY
+vbo_exec_MultiDrawElementsIndirect(GLenum mode, GLenum type,
+ const GLvoid *indirect,
+ GLsizei primcount, GLsizei stride)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glMultiDrawElementsIndirect(%s, %s, %p, %i, %i)\n",
+ _mesa_lookup_enum_by_nr(mode),
+ _mesa_lookup_enum_by_nr(type), indirect, primcount, stride);
+
+ /* If <stride> is zero, the array elements are treated as tightly packed. */
+ if (stride == 0)
+ stride = 5 * sizeof(GLuint); /* sizeof(DrawElementsIndirectCommand) */
+
+ if (!_mesa_validate_MultiDrawElementsIndirect(ctx, mode, type,
+ indirect,
+ primcount, stride))
+ return;
+
+ vbo_validated_multidrawelementsindirect(ctx, mode, type,
+ indirect,
+ primcount, stride);
+}
/**
* Initialize the dispatch table with the VBO functions for drawing.
@@ -1597,6 +1848,13 @@ vbo_initialize_exec_dispatch(const struct gl_context *ctx,
SET_DrawElementsInstancedBaseVertexBaseInstance(exec, vbo_exec_DrawElementsInstancedBaseVertexBaseInstance);
}
+ if (ctx->API == API_OPENGL_CORE) {
+ SET_DrawArraysIndirect(exec, vbo_exec_DrawArraysIndirect);
+ SET_DrawElementsIndirect(exec, vbo_exec_DrawElementsIndirect);
+ SET_MultiDrawArraysIndirect(exec, vbo_exec_MultiDrawArraysIndirect);
+ SET_MultiDrawElementsIndirect(exec, vbo_exec_MultiDrawElementsIndirect);
+ }
+
if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
SET_DrawArraysInstancedARB(exec, vbo_exec_DrawArraysInstanced);
SET_DrawElementsInstancedARB(exec, vbo_exec_DrawElementsInstanced);
diff --git a/mesalib/src/mesa/vbo/vbo_exec_draw.c b/mesalib/src/mesa/vbo/vbo_exec_draw.c
index 1075bd5d4..a96502ffb 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_draw.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_draw.c
@@ -403,7 +403,7 @@ vbo_exec_vtx_flush(struct vbo_exec_context *exec, GLboolean keepUnmapped)
GL_TRUE,
0,
exec->vtx.vert_count - 1,
- NULL);
+ NULL, NULL);
/* If using a real VBO, get new storage -- unless asked not to.
*/
diff --git a/mesalib/src/mesa/vbo/vbo_primitive_restart.c b/mesalib/src/mesa/vbo/vbo_primitive_restart.c
index 418f8829d..e0bd233ee 100644
--- a/mesalib/src/mesa/vbo/vbo_primitive_restart.c
+++ b/mesalib/src/mesa/vbo/vbo_primitive_restart.c
@@ -163,7 +163,8 @@ void
vbo_sw_primitive_restart(struct gl_context *ctx,
const struct _mesa_prim *prims,
GLuint nr_prims,
- const struct _mesa_index_buffer *ib)
+ const struct _mesa_index_buffer *ib,
+ struct gl_buffer_object *indirect)
{
GLuint prim_num;
struct sub_primitive *sub_prims;
@@ -179,6 +180,39 @@ vbo_sw_primitive_restart(struct gl_context *ctx,
GLboolean map_ib = ib->obj->Name && !ib->obj->Pointer;
void *ptr;
+ /* If there is an indirect buffer, map it and extract the draw params */
+ if (indirect && prims[0].is_indirect) {
+ struct _mesa_prim new_prim = *prims;
+ struct _mesa_index_buffer new_ib = *ib;
+ const uint32_t *indirect_params;
+ if (!ctx->Driver.MapBufferRange(ctx, 0, indirect->Size, GL_MAP_READ_BIT,
+ indirect)) {
+
+ /* something went wrong with mapping, give up */
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "failed to map indirect buffer for sw primitive restart");
+ return;
+ }
+
+ assert(nr_prims == 1);
+ indirect_params = (const uint32_t *) ADD_POINTERS(indirect->Pointer,
+ new_prim.indirect_offset);
+
+ new_prim.is_indirect = 0;
+ new_prim.count = indirect_params[0];
+ new_prim.num_instances = indirect_params[1];
+ new_prim.start = indirect_params[2];
+ new_prim.basevertex = indirect_params[3];
+ new_prim.base_instance = indirect_params[4];
+
+ new_ib.count = new_prim.count;
+
+ prims = &new_prim;
+ ib = &new_ib;
+
+ ctx->Driver.UnmapBuffer(ctx, indirect);
+ }
+
/* Find the sub-primitives. These are regions in the index buffer which
* are split based on the primitive restart index value.
*/
@@ -214,11 +248,11 @@ vbo_sw_primitive_restart(struct gl_context *ctx,
(temp_prim.count == sub_prim->count)) {
draw_prims_func(ctx, &temp_prim, 1, ib,
GL_TRUE, sub_prim->min_index, sub_prim->max_index,
- NULL);
+ NULL, NULL);
} else {
draw_prims_func(ctx, &temp_prim, 1, ib,
GL_FALSE, -1, -1,
- NULL);
+ NULL, NULL);
}
}
if (sub_end_index >= end_index) {
diff --git a/mesalib/src/mesa/vbo/vbo_rebase.c b/mesalib/src/mesa/vbo/vbo_rebase.c
index e8258727b..f63c47375 100644
--- a/mesalib/src/mesa/vbo/vbo_rebase.c
+++ b/mesalib/src/mesa/vbo/vbo_rebase.c
@@ -237,7 +237,7 @@ void vbo_rebase_prims( struct gl_context *ctx,
GL_TRUE,
0,
max_index - min_index,
- NULL );
+ NULL, NULL );
ctx->Array._DrawArrays = saved_arrays;
ctx->NewDriverState |= ctx->DriverFlags.NewArray;
diff --git a/mesalib/src/mesa/vbo/vbo_save_api.c b/mesalib/src/mesa/vbo/vbo_save_api.c
index 411c00604..d16405efc 100644
--- a/mesalib/src/mesa/vbo/vbo_save_api.c
+++ b/mesalib/src/mesa/vbo/vbo_save_api.c
@@ -531,6 +531,7 @@ _save_wrap_buffers(struct gl_context *ctx)
save->prim[0].count = 0;
save->prim[0].num_instances = 1;
save->prim[0].base_instance = 0;
+ save->prim[0].is_indirect = 0;
save->prim_count = 1;
}
@@ -986,6 +987,7 @@ vbo_save_NotifyBegin(struct gl_context *ctx, GLenum mode)
save->prim[i].count = 0;
save->prim[i].num_instances = 1;
save->prim[i].base_instance = 0;
+ save->prim[i].is_indirect = 0;
if (save->out_of_memory) {
_mesa_install_save_vtxfmt(ctx, &save->vtxfmt_noop);
diff --git a/mesalib/src/mesa/vbo/vbo_save_draw.c b/mesalib/src/mesa/vbo/vbo_save_draw.c
index b4c917630..e961c1d5c 100644
--- a/mesalib/src/mesa/vbo/vbo_save_draw.c
+++ b/mesalib/src/mesa/vbo/vbo_save_draw.c
@@ -313,7 +313,7 @@ vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)
GL_TRUE,
0, /* Node is a VBO, so this is ok */
node->count - 1,
- NULL);
+ NULL, NULL);
}
}
diff --git a/mesalib/src/mesa/vbo/vbo_split_copy.c b/mesalib/src/mesa/vbo/vbo_split_copy.c
index 2175c8ac7..9e391a3ed 100644
--- a/mesalib/src/mesa/vbo/vbo_split_copy.c
+++ b/mesalib/src/mesa/vbo/vbo_split_copy.c
@@ -201,7 +201,7 @@ flush( struct copy_context *copy )
GL_TRUE,
0,
copy->dstbuf_nr - 1,
- NULL );
+ NULL, NULL );
ctx->Array._DrawArrays = saved_arrays;
ctx->NewDriverState |= ctx->DriverFlags.NewArray;
diff --git a/mesalib/src/mesa/vbo/vbo_split_inplace.c b/mesalib/src/mesa/vbo/vbo_split_inplace.c
index d04429707..de00fc86e 100644
--- a/mesalib/src/mesa/vbo/vbo_split_inplace.c
+++ b/mesalib/src/mesa/vbo/vbo_split_inplace.c
@@ -94,7 +94,7 @@ static void flush_vertex( struct split_context *split )
!split->ib,
split->min_index,
split->max_index,
- NULL);
+ NULL, NULL);
ctx->Array._DrawArrays = saved_arrays;
ctx->NewDriverState |= ctx->DriverFlags.NewArray;