#include "util/u_memory.h"
#include "util/u_inlines.h"
-#include "state_tracker/st_cb_xformfb.h"
#include "api_exec_decl.h"
+#include "cso_cache/cso_context.h"
struct using_program_tuple
{
struct gl_program *prog;
obj->program = source;
}
- st_begin_transform_feedback(ctx, mode, obj);
+ struct pipe_context *pipe = ctx->pipe;
+ unsigned max_num_targets;
+ unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0};
+
+ max_num_targets = MIN2(ARRAY_SIZE(obj->Buffers),
+ ARRAY_SIZE(obj->targets));
+
+ /* Convert the transform feedback state into the gallium representation. */
+ for (i = 0; i < max_num_targets; i++) {
+ struct gl_buffer_object *bo = obj->Buffers[i];
+
+ if (bo && bo->buffer) {
+ unsigned stream = obj->program->sh.LinkedTransformFeedback->
+ Buffers[i].Stream;
+
+ /* Check whether we need to recreate the target. */
+ if (!obj->targets[i] ||
+ obj->targets[i] == obj->draw_count[stream] ||
+ obj->targets[i]->buffer != bo->buffer ||
+ obj->targets[i]->buffer_offset != obj->Offset[i] ||
+ obj->targets[i]->buffer_size != obj->Size[i]) {
+ /* Create a new target. */
+ struct pipe_stream_output_target *so_target =
+ pipe->create_stream_output_target(pipe, bo->buffer,
+ obj->Offset[i],
+ obj->Size[i]);
+
+ pipe_so_target_reference(&obj->targets[i], NULL);
+ obj->targets[i] = so_target;
+ }
+
+ obj->num_targets = i+1;
+ } else {
+ pipe_so_target_reference(&obj->targets[i], NULL);
+ }
+ }
+
+ /* Start writing at the beginning of each target. */
+ cso_set_stream_outputs(ctx->cso_context, obj->num_targets,
+ obj->targets, offsets);
_mesa_update_valid_to_render_state(ctx);
}
end_transform_feedback(struct gl_context *ctx,
struct gl_transform_feedback_object *obj)
{
+ unsigned i;
FLUSH_VERTICES(ctx, 0, 0);
- st_end_transform_feedback(ctx, obj);
+ cso_set_stream_outputs(ctx->cso_context, 0, NULL, NULL);
+
+ /* The next call to glDrawTransformFeedbackStream should use the vertex
+ * count from the last call to glEndTransformFeedback.
+ * Therefore, save the targets for each stream.
+ *
+ * NULL means the vertex counter is 0 (initial state).
+ */
+ for (i = 0; i < ARRAY_SIZE(obj->draw_count); i++)
+ pipe_so_target_reference(&obj->draw_count[i], NULL);
+
+ for (i = 0; i < ARRAY_SIZE(obj->targets); i++) {
+ unsigned stream = obj->program->sh.LinkedTransformFeedback->
+ Buffers[i].Stream;
+
+ /* Is it not bound or already set for this stream? */
+ if (!obj->targets[i] || obj->draw_count[stream])
+ continue;
+
+ pipe_so_target_reference(&obj->draw_count[stream], obj->targets[i]);
+ }
_mesa_reference_program_(ctx, &obj->program, NULL);
ctx->TransformFeedback.CurrentObject->Active = GL_FALSE;
{
FLUSH_VERTICES(ctx, 0, 0);
- st_pause_transform_feedback(ctx, obj);
+ cso_set_stream_outputs(ctx->cso_context, 0, NULL, NULL);
obj->Paused = GL_TRUE;
_mesa_update_valid_to_render_state(ctx);
obj->Paused = GL_FALSE;
- st_resume_transform_feedback(ctx, obj);
+ unsigned offsets[PIPE_MAX_SO_BUFFERS];
+ unsigned i;
+
+ for (i = 0; i < PIPE_MAX_SO_BUFFERS; i++)
+ offsets[i] = (unsigned)-1;
+
+ cso_set_stream_outputs(ctx->cso_context, obj->num_targets,
+ obj->targets, offsets);
_mesa_update_valid_to_render_state(ctx);
}
'state_tracker/st_cb_texture.h',
'state_tracker/st_cb_viewport.c',
'state_tracker/st_cb_viewport.h',
- 'state_tracker/st_cb_xformfb.c',
- 'state_tracker/st_cb_xformfb.h',
'state_tracker/st_context.c',
'state_tracker/st_context.h',
'state_tracker/st_copytex.c',
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2010 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
- * without limitation the rights to use, copy, modify, merge, publish,
- * 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 THE AUTHORS 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.
- *
- **************************************************************************/
-
-
-/**
- * Transform feedback functions.
- *
- * \author Brian Paul
- * Marek Olšák
- */
-
-
-#include "main/bufferobj.h"
-#include "main/context.h"
-#include "main/transformfeedback.h"
-#include "util/u_memory.h"
-
-#include "st_cb_xformfb.h"
-#include "st_context.h"
-
-#include "pipe/p_context.h"
-#include "util/u_draw.h"
-#include "util/u_inlines.h"
-#include "cso_cache/cso_context.h"
-
-
-
-/* XXX Do we really need the mode? */
-void
-st_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
- struct gl_transform_feedback_object *obj)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = ctx->pipe;
- unsigned i, max_num_targets;
- unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0};
-
- max_num_targets = MIN2(ARRAY_SIZE(obj->Buffers),
- ARRAY_SIZE(obj->targets));
-
- /* Convert the transform feedback state into the gallium representation. */
- for (i = 0; i < max_num_targets; i++) {
- struct gl_buffer_object *bo = obj->Buffers[i];
-
- if (bo && bo->buffer) {
- unsigned stream = obj->program->sh.LinkedTransformFeedback->
- Buffers[i].Stream;
-
- /* Check whether we need to recreate the target. */
- if (!obj->targets[i] ||
- obj->targets[i] == obj->draw_count[stream] ||
- obj->targets[i]->buffer != bo->buffer ||
- obj->targets[i]->buffer_offset != obj->Offset[i] ||
- obj->targets[i]->buffer_size != obj->Size[i]) {
- /* Create a new target. */
- struct pipe_stream_output_target *so_target =
- pipe->create_stream_output_target(pipe, bo->buffer,
- obj->Offset[i],
- obj->Size[i]);
-
- pipe_so_target_reference(&obj->targets[i], NULL);
- obj->targets[i] = so_target;
- }
-
- obj->num_targets = i+1;
- } else {
- pipe_so_target_reference(&obj->targets[i], NULL);
- }
- }
-
- /* Start writing at the beginning of each target. */
- cso_set_stream_outputs(st->cso_context, obj->num_targets,
- obj->targets, offsets);
-}
-
-
-void
-st_pause_transform_feedback(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj)
-{
- struct st_context *st = st_context(ctx);
- cso_set_stream_outputs(st->cso_context, 0, NULL, NULL);
-}
-
-
-void
-st_resume_transform_feedback(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj)
-{
- struct st_context *st = st_context(ctx);
- unsigned offsets[PIPE_MAX_SO_BUFFERS];
- unsigned i;
-
- for (i = 0; i < PIPE_MAX_SO_BUFFERS; i++)
- offsets[i] = (unsigned)-1;
-
- cso_set_stream_outputs(st->cso_context, obj->num_targets,
- obj->targets, offsets);
-}
-
-void
-st_end_transform_feedback(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj)
-{
- struct st_context *st = st_context(ctx);
- unsigned i;
-
- cso_set_stream_outputs(st->cso_context, 0, NULL, NULL);
-
- /* The next call to glDrawTransformFeedbackStream should use the vertex
- * count from the last call to glEndTransformFeedback.
- * Therefore, save the targets for each stream.
- *
- * NULL means the vertex counter is 0 (initial state).
- */
- for (i = 0; i < ARRAY_SIZE(obj->draw_count); i++)
- pipe_so_target_reference(&obj->draw_count[i], NULL);
-
- for (i = 0; i < ARRAY_SIZE(obj->targets); i++) {
- unsigned stream = obj->program->sh.LinkedTransformFeedback->
- Buffers[i].Stream;
-
- /* Is it not bound or already set for this stream? */
- if (!obj->targets[i] || obj->draw_count[stream])
- continue;
-
- pipe_so_target_reference(&obj->draw_count[stream], obj->targets[i]);
- }
-}
-
-
-bool
-st_transform_feedback_draw_init(struct gl_transform_feedback_object *obj,
- unsigned stream,
- struct pipe_draw_indirect_info *out)
-{
- out->count_from_stream_output = obj->draw_count[stream];
- return out->count_from_stream_output != NULL;
-}
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2010 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
- * without limitation the rights to use, copy, modify, merge, publish,
- * 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 THE AUTHORS 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.
- *
- **************************************************************************/
-
-#ifndef ST_CB_XFORMFB_H
-#define ST_CB_XFORMFB_H
-
-
-struct gl_transform_feedback_object;
-struct pipe_draw_indirect_info;
-
-void
-st_begin_transform_feedback(struct gl_context *ctx, GLenum mode,
- struct gl_transform_feedback_object *obj);
-
-void
-st_pause_transform_feedback(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
-
-void
-st_resume_transform_feedback(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
-
-void
-st_end_transform_feedback(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
-
-extern bool
-st_transform_feedback_draw_init(struct gl_transform_feedback_object *obj,
- unsigned stream,
- struct pipe_draw_indirect_info *out);
-
-
-#endif /* ST_CB_XFORMFB_H */
#include "st_context.h"
#include "st_atom.h"
#include "st_cb_bitmap.h"
-#include "st_cb_xformfb.h"
#include "st_debug.h"
#include "st_draw.h"
#include "st_program.h"
/* Transform feedback drawing is always non-indexed. */
/* Set info.count_from_stream_output. */
- if (!st_transform_feedback_draw_init(tfb_vertcount, stream, &indirect))
+ indirect.count_from_stream_output = tfb_vertcount->draw_count[stream];
+ if (indirect.count_from_stream_output == NULL)
return;
cso_draw_vbo(st->cso_context, &info, 0, &indirect, draw);