/**************************************************************************
*
- * 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
* 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.
**************************************************************************/
#include "main/imports.h"
+#include "main/arrayobj.h"
#include "main/image.h"
#include "main/macros.h"
+#include "main/varray.h"
#include "vbo/vbo.h"
#include "st_context.h"
#include "st_atom.h"
+#include "st_cb_bitmap.h"
#include "st_cb_bufferobjects.h"
#include "st_draw.h"
#include "st_program.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
+#include "util/u_draw.h"
#include "draw/draw_private.h"
#include "draw/draw_context.h"
-#if FEATURE_feedback || FEATURE_drawpix
-
/**
* Set the (private) draw module's post-transformed vertex format when in
* GL_SELECT or GL_FEEDBACK mode or for glRasterPos.
*/
static void
-set_feedback_vertex_format(GLcontext *ctx)
+set_feedback_vertex_format(struct gl_context *ctx)
{
#if 0
- struct st_context *st = ctx->st;
+ struct st_context *st = st_context(ctx);
struct vertex_info vinfo;
GLuint i;
}
+/**
+ * Helper for drawing current vertex arrays.
+ */
+static void
+draw_arrays(struct draw_context *draw, unsigned mode,
+ unsigned start, unsigned count)
+{
+ struct pipe_draw_info info;
+
+ util_draw_init_info(&info);
+
+ info.mode = mode;
+ info.start = start;
+ info.count = count;
+ info.min_index = start;
+ info.max_index = start + count - 1;
+
+ draw_vbo(draw, &info);
+}
+
+
/**
* Called by VBO to draw arrays when in selection or feedback mode and
* to implement glRasterPos.
* This is very much like the normal draw_vbo() function above.
* Look at code refactoring some day.
- * Might move this into the failover module some day.
*/
void
-st_feedback_draw_vbo(GLcontext *ctx,
- const struct gl_client_array **arrays,
+st_feedback_draw_vbo(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 max_index,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream,
+ struct gl_buffer_object *indirect)
{
- struct st_context *st = ctx->st;
+ struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
- struct draw_context *draw = st->draw;
+ struct draw_context *draw = st_get_draw_context(st);
const struct st_vertex_program *vp;
const struct pipe_shader_state *vs;
- struct pipe_resource *index_buffer_handle = 0;
struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS];
struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
- struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
- struct pipe_transfer *ib_transfer;
- struct pipe_transfer *cb_transfer;
+ struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {NULL};
+ struct pipe_transfer *ib_transfer = NULL;
GLuint attr, i;
- ubyte *mapped_constants;
+ const void *mapped_indices = NULL;
- assert(draw);
+ if (!draw)
+ return;
+
+ st_flush_bitmap_cache(st);
+ st_invalidate_readpix_cache(st);
- st_validate_state(ctx->st);
+ st_validate_state(st, ST_PIPELINE_RENDER);
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);
/* must get these after state validation! */
- vp = ctx->st->vp;
- vs = &st->vp_varient->tgsi;
+ vp = st->vp;
+ vs = &st->vp_variant->tgsi;
- if (!st->vp_varient->draw_shader) {
- st->vp_varient->draw_shader = draw_create_vertex_shader(draw, vs);
+ if (!st->vp_variant->draw_shader) {
+ st->vp_variant->draw_shader = draw_create_vertex_shader(draw, vs);
}
/*
* code sends state updates to the pipe, not to our private draw module.
*/
assert(draw);
- draw_set_viewport_state(draw, &st->state.viewport);
+ draw_set_viewport_states(draw, 0, 1, &st->state.viewport[0]);
draw_set_clip_state(draw, &st->state.clip);
- draw_set_rasterizer_state(draw, &st->state.rasterizer);
- draw_bind_vertex_shader(draw, st->vp_varient->draw_shader);
+ draw_set_rasterizer_state(draw, &st->state.rasterizer, NULL);
+ draw_bind_vertex_shader(draw, st->vp_variant->draw_shader);
set_feedback_vertex_format(ctx);
/* loop over TGSI shader inputs to determine vertex buffer
*/
for (attr = 0; attr < vp->num_inputs; attr++) {
const GLuint mesaAttr = vp->index_to_input[attr];
- struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
+ const struct gl_vertex_buffer_binding *binding;
+ const struct gl_array_attributes *attrib;
void *map;
- if (bufobj && bufobj->Name) {
- /* Attribute data is in a VBO.
- * Recall that for VBOs, the gl_client_array->Ptr field is
- * really an offset from the start of the VBO, not a pointer.
- */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ _mesa_draw_attrib_and_binding(ctx, mesaAttr, &attrib, &binding);
+
+ if (_mesa_is_bufferobj(binding->BufferObj)) {
+ /* Attribute data is in a VBO. */
+ struct st_buffer_object *stobj = st_buffer_object(binding->BufferObj);
assert(stobj->buffer);
- vbuffers[attr].buffer = NULL;
- pipe_resource_reference(&vbuffers[attr].buffer, stobj->buffer);
- vbuffers[attr].buffer_offset = pointer_to_offset(arrays[0]->Ptr);
- velements[attr].src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr;
+ vbuffers[attr].buffer.resource = NULL;
+ vbuffers[attr].is_user_buffer = false;
+ pipe_resource_reference(&vbuffers[attr].buffer.resource, stobj->buffer);
+ vbuffers[attr].buffer_offset = _mesa_draw_binding_offset(binding);
+ velements[attr].src_offset =
+ _mesa_draw_attributes_relative_offset(attrib);
+
+ /* map the attrib buffer */
+ map = pipe_buffer_map(pipe, vbuffers[attr].buffer.resource,
+ PIPE_TRANSFER_READ,
+ &vb_transfer[attr]);
+ draw_set_mapped_vertex_buffer(draw, attr, map,
+ vbuffers[attr].buffer.resource->width0);
}
else {
- /* attribute data is in user-space memory, not a VBO */
- uint bytes = (arrays[mesaAttr]->Size
- * _mesa_sizeof_type(arrays[mesaAttr]->Type)
- * (max_index + 1));
-
- /* wrap user data */
- vbuffers[attr].buffer
- = pipe_user_buffer_create(pipe->screen, (void *) arrays[mesaAttr]->Ptr,
- bytes,
- PIPE_BIND_VERTEX_BUFFER);
+ /* Attribute data is in a user space array. */
+ vbuffers[attr].buffer.user = attrib->Ptr;
+ vbuffers[attr].is_user_buffer = true;
vbuffers[attr].buffer_offset = 0;
velements[attr].src_offset = 0;
+
+ draw_set_mapped_vertex_buffer(draw, attr,
+ vbuffers[attr].buffer.user, ~0);
}
/* common-case setup */
- vbuffers[attr].stride = arrays[mesaAttr]->StrideB; /* in bytes */
- vbuffers[attr].max_index = max_index;
+ vbuffers[attr].stride = binding->Stride; /* in bytes */
velements[attr].instance_divisor = 0;
velements[attr].vertex_buffer_index = attr;
- velements[attr].src_format =
- st_pipe_vertex_format(arrays[mesaAttr]->Type,
- arrays[mesaAttr]->Size,
- arrays[mesaAttr]->Format,
- arrays[mesaAttr]->Normalized);
+ velements[attr].src_format = st_pipe_vertex_format(attrib);
assert(velements[attr].src_format);
/* tell draw about this attribute */
#if 0
draw_set_vertex_buffer(draw, attr, &vbuffer[attr]);
#endif
-
- /* map the attrib buffer */
- map = pipe_buffer_map(pipe, vbuffers[attr].buffer,
- PIPE_TRANSFER_READ,
- &vb_transfer[attr]);
- draw_set_mapped_vertex_buffer(draw, attr, map);
}
- draw_set_vertex_buffers(draw, vp->num_inputs, vbuffers);
+ draw_set_vertex_buffers(draw, 0, vp->num_inputs, vbuffers);
draw_set_vertex_elements(draw, vp->num_inputs, velements);
+ unsigned start = 0;
+
if (ib) {
struct gl_buffer_object *bufobj = ib->obj;
- unsigned indexSize;
- void *map;
+ unsigned index_size = ib->index_size;
- switch (ib->type) {
- case GL_UNSIGNED_INT:
- indexSize = 4;
- break;
- case GL_UNSIGNED_SHORT:
- indexSize = 2;
- break;
- default:
- assert(0);
- return;
- }
+ if (index_size == 0)
+ goto out_unref_vertex;
if (bufobj && bufobj->Name) {
struct st_buffer_object *stobj = st_buffer_object(bufobj);
- index_buffer_handle = stobj->buffer;
-
- map = pipe_buffer_map(pipe, index_buffer_handle,
- PIPE_TRANSFER_READ, &ib_transfer);
-
- draw_set_mapped_element_buffer(draw, indexSize, map);
+ start = pointer_to_offset(ib->ptr) / index_size;
+ mapped_indices = pipe_buffer_map(pipe, stobj->buffer,
+ PIPE_TRANSFER_READ, &ib_transfer);
}
else {
- draw_set_mapped_element_buffer(draw, indexSize, (void *) ib->ptr);
- ib_transfer = NULL;
+ mapped_indices = ib->ptr;
}
- }
- else {
- /* no index/element buffer */
- draw_set_mapped_element_buffer(draw, 0, NULL);
- }
+ draw_set_indexes(draw,
+ (ubyte *) mapped_indices,
+ index_size, ~0);
+ }
- /* map constant buffers */
- mapped_constants = pipe_buffer_map(pipe,
- st->state.constants[PIPE_SHADER_VERTEX],
- PIPE_TRANSFER_READ,
- &cb_transfer);
+ /* set the constant buffer */
draw_set_mapped_constant_buffer(st->draw, PIPE_SHADER_VERTEX, 0,
- mapped_constants,
- st->state.constants[PIPE_SHADER_VERTEX]->width0);
+ st->state.constants[PIPE_SHADER_VERTEX].ptr,
+ st->state.constants[PIPE_SHADER_VERTEX].size);
/* draw here */
for (i = 0; i < nr_prims; i++) {
- draw_arrays(draw, prims[i].mode, prims[i].start, prims[i].count);
+ draw_arrays(draw, prims[i].mode, start + prims[i].start, prims[i].count);
}
- /* unmap constant buffers */
- pipe_buffer_unmap(pipe, st->state.constants[PIPE_SHADER_VERTEX],
- cb_transfer);
-
/*
* unmap vertex/index buffers
*/
- for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
- if (draw->pt.vertex_buffer[i].buffer) {
- pipe_buffer_unmap(pipe, draw->pt.vertex_buffer[i].buffer,
- vb_transfer[i]);
- pipe_resource_reference(&draw->pt.vertex_buffer[i].buffer, NULL);
- draw_set_mapped_vertex_buffer(draw, i, NULL);
- }
+ if (ib) {
+ draw_set_indexes(draw, NULL, 0, 0);
+ if (ib_transfer)
+ pipe_buffer_unmap(pipe, ib_transfer);
}
- if (index_buffer_handle) {
- pipe_buffer_unmap(pipe, index_buffer_handle, ib_transfer);
- draw_set_mapped_element_buffer(draw, 0, NULL);
+
+ out_unref_vertex:
+ for (attr = 0; attr < vp->num_inputs; attr++) {
+ if (vb_transfer[attr])
+ pipe_buffer_unmap(pipe, vb_transfer[attr]);
+ draw_set_mapped_vertex_buffer(draw, attr, NULL, 0);
+ pipe_vertex_buffer_unreference(&vbuffers[attr]);
}
+ draw_set_vertex_buffers(draw, 0, vp->num_inputs, NULL);
}
-
-#endif /* FEATURE_feedback || FEATURE_drawpix */
-