/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
/*
* glDrawElements, glEvalMesh, or glCalList, etc.
*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#include "main/image.h"
#include "main/bufferobj.h"
#include "main/macros.h"
-#include "main/mfeatures.h"
#include "vbo/vbo.h"
#include "st_atom.h"
#include "st_cb_bufferobjects.h"
#include "st_cb_xformfb.h"
+#include "st_debug.h"
#include "st_draw.h"
#include "st_program.h"
all_varyings_in_vbos(const struct gl_client_array *arrays[])
{
GLuint i;
-
+
for (i = 0; i < VERT_ATTRIB_MAX; i++)
if (arrays[i]->StrideB &&
!arrays[i]->InstanceDivisor &&
}
-static void
+/**
+ * Basically, translate Mesa's index buffer information into
+ * a pipe_index_buffer object.
+ * \return TRUE or FALSE for success/failure
+ */
+static boolean
setup_index_buffer(struct st_context *st,
const struct _mesa_index_buffer *ib,
struct pipe_index_buffer *ibuffer)
ibuffer->offset = pointer_to_offset(ib->ptr);
}
else if (st->indexbuf_uploader) {
- u_upload_data(st->indexbuf_uploader, 0, ib->count * ibuffer->index_size,
- ib->ptr, &ibuffer->offset, &ibuffer->buffer);
+ /* upload indexes from user memory into a real buffer */
+ if (u_upload_data(st->indexbuf_uploader, 0,
+ ib->count * ibuffer->index_size, ib->ptr,
+ &ibuffer->offset, &ibuffer->buffer) != PIPE_OK) {
+ /* out of memory */
+ return FALSE;
+ }
u_upload_unmap(st->indexbuf_uploader);
}
else {
}
cso_set_index_buffer(st->cso_context, ibuffer);
+ return TRUE;
}
static void
check_uniforms(struct gl_context *ctx)
{
- struct gl_shader_program *shProg[3] = {
- ctx->Shader.CurrentVertexProgram,
- ctx->Shader.CurrentGeometryProgram,
- ctx->Shader.CurrentFragmentProgram,
- };
+ struct gl_shader_program **shProg = ctx->_Shader->CurrentProgram;
unsigned j;
for (j = 0; j < 3; j++) {
STATIC_ASSERT(GL_QUADS == PIPE_PRIM_QUADS);
STATIC_ASSERT(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
- /* Avoid quadstrips if it's easy to do so:
- * Note: it's important to do the correct trimming if we change the
- * prim type! We do that wherever this function is called.
- */
- if (prim == GL_QUAD_STRIP &&
- ctx->Light.ShadeModel != GL_FLAT &&
- ctx->Polygon.FrontMode == GL_FILL &&
- ctx->Polygon.BackMode == GL_FILL)
- prim = GL_TRIANGLE_STRIP;
-
return prim;
}
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)
{
struct st_context *st = st_context(ctx);
struct pipe_index_buffer ibuffer = {0};
if (st->dirty.st || ctx->NewDriverState) {
st_validate_state(st);
- if (st->vertex_array_out_of_memory)
- return;
-
#if 0
if (MESA_VERBOSE & VERBOSE_GLSL) {
check_uniforms(ctx);
#endif
}
+ if (st->vertex_array_out_of_memory) {
+ return;
+ }
+
util_draw_init_info(&info);
+
if (ib) {
/* Get index bounds for user buffers. */
if (!index_bounds_valid)
vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index,
nr_prims);
- setup_index_buffer(st, ib, &ibuffer);
+ if (!setup_index_buffer(st, ib, &ibuffer)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBegin/DrawElements/DrawArray");
+ return;
+ }
info.indexed = TRUE;
if (min_index != ~0 && max_index != ~0) {
/* The VBO module handles restart for the non-indexed GLDrawArrays
* so we only set these fields for indexed drawing:
*/
- info.primitive_restart = ctx->Array.PrimitiveRestart;
+ info.primitive_restart = ctx->Array._PrimitiveRestart;
info.restart_index = ctx->Array.RestartIndex;
}
else {
}
}
+ if (indirect) {
+ info.indirect = st_buffer_object(indirect)->buffer;
+
+ /* Primitive restart is not handled by the VBO module in this case. */
+ info.primitive_restart = ctx->Array._PrimitiveRestart;
+ info.restart_index = ctx->Array.RestartIndex;
+ }
+
/* do actual drawing */
for (i = 0; i < nr_prims; i++) {
- info.mode = translate_prim( ctx, prims[i].mode );
+ info.mode = translate_prim(ctx, prims[i].mode);
info.start = prims[i].start;
info.count = prims[i].count;
info.start_instance = prims[i].base_instance;
info.min_index = info.start;
info.max_index = info.start + info.count - 1;
}
+ info.indirect_offset = prims[i].indirect_offset;
+
+ if (ST_DEBUG & DEBUG_DRAW) {
+ debug_printf("st/draw: mode %s start %u count %u indexed %d\n",
+ u_prim_name(info.mode),
+ info.start,
+ info.count,
+ info.indexed);
+ }
- if (info.count_from_stream_output) {
+ if (info.count_from_stream_output || info.indirect) {
cso_draw_vbo(st->cso_context, &info);
}
else if (info.primitive_restart) {
/* don't trim, restarts might be inside index list */
cso_draw_vbo(st->cso_context, &info);
}
- else if (u_trim_pipe_prim(info.mode, &info.count))
+ else if (u_trim_pipe_prim(prims[i].mode, &info.count)) {
cso_draw_vbo(st->cso_context, &info);
+ }
}
if (ib && st->indexbuf_uploader && !_mesa_is_bufferobj(ib->obj)) {
vbo_set_draw_func(ctx, st_draw_vbo);
-#if FEATURE_feedback || FEATURE_rastpos
st->draw = draw_create(st->pipe); /* for selection/feedback */
/* Disable draw options that might convert points/lines to tris, etc.
draw_wide_point_threshold(st->draw, 1000.0f);
draw_enable_line_stipple(st->draw, FALSE);
draw_enable_point_sprites(st->draw, FALSE);
-#endif
}
void
st_destroy_draw(struct st_context *st)
{
-#if FEATURE_feedback || FEATURE_rastpos
draw_destroy(st->draw);
-#endif
}