/**************************************************************************
*
- * 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/image.h"
#include "main/macros.h"
-#include "main/mfeatures.h"
#include "vbo/vbo.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_rastpos
-
/**
* Set the (private) draw module's post-transformed vertex format when in
* GL_SELECT or GL_FEEDBACK mode or for glRasterPos.
}
+/**
+ * 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(struct gl_context *ctx,
- const struct gl_client_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 max_index,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ struct gl_buffer_object *indirect)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS];
struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
struct pipe_index_buffer ibuffer;
- struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
+ struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {NULL};
struct pipe_transfer *ib_transfer = NULL;
+ const struct gl_client_array **arrays = ctx->Array._DrawArrays;
GLuint attr, i;
+ const GLubyte *low_addr = NULL;
const void *mapped_indices = NULL;
assert(draw);
st_validate_state(st);
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 = st->vp;
* 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);
draw_set_clip_state(draw, &st->state.clip);
draw_set_rasterizer_state(draw, &st->state.rasterizer, NULL);
draw_bind_vertex_shader(draw, st->vp_variant->draw_shader);
set_feedback_vertex_format(ctx);
+ /* Find the lowest address of the arrays we're drawing */
+ if (vp->num_inputs) {
+ low_addr = arrays[vp->index_to_input[0]]->Ptr;
+
+ for (attr = 1; attr < vp->num_inputs; attr++) {
+ const GLubyte *start = arrays[vp->index_to_input[attr]]->Ptr;
+ low_addr = MIN2(low_addr, start);
+ }
+ }
+
/* loop over TGSI shader inputs to determine vertex buffer
* and attribute info
*/
assert(stobj->buffer);
vbuffers[attr].buffer = NULL;
+ vbuffers[attr].user_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_offset = pointer_to_offset(low_addr);
+ velements[attr].src_offset = arrays[mesaAttr]->Ptr - low_addr;
+
+ /* 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,
+ vbuffers[attr].buffer->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);
+ vbuffers[attr].buffer = NULL;
+ vbuffers[attr].user_buffer = arrays[mesaAttr]->Ptr;
vbuffers[attr].buffer_offset = 0;
velements[attr].src_offset = 0;
+
+ draw_set_mapped_vertex_buffer(draw, attr, vbuffers[attr].user_buffer,
+ ~0);
}
/* common-case setup */
st_pipe_vertex_format(arrays[mesaAttr]->Type,
arrays[mesaAttr]->Size,
arrays[mesaAttr]->Format,
- arrays[mesaAttr]->Normalized);
+ arrays[mesaAttr]->Normalized,
+ arrays[mesaAttr]->Integer);
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);
memset(&ibuffer, 0, sizeof(ibuffer));
if (ib) {
struct gl_buffer_object *bufobj = ib->obj;
- switch (ib->type) {
- case GL_UNSIGNED_INT:
- ibuffer.index_size = 4;
- break;
- case GL_UNSIGNED_SHORT:
- ibuffer.index_size = 2;
- break;
- case GL_UNSIGNED_BYTE:
- ibuffer.index_size = 1;
- break;
- default:
- assert(0);
- goto out_unref_vertex;
- }
+ ibuffer.index_size = vbo_sizeof_ib_type(ib->type);
+ if (ibuffer.index_size == 0)
+ goto out_unref_vertex;
if (bufobj && bufobj->Name) {
struct st_buffer_object *stobj = st_buffer_object(bufobj);
mapped_indices = ib->ptr;
}
- draw_set_index_buffer(draw, &ibuffer);
- draw_set_mapped_index_buffer(draw, mapped_indices);
+ draw_set_indexes(draw,
+ (ubyte *) mapped_indices + ibuffer.offset,
+ ibuffer.index_size, ~0);
}
/* set the constant buffer */
* unmap vertex/index buffers
*/
if (ib) {
- draw_set_mapped_index_buffer(draw, NULL);
- draw_set_index_buffer(draw, NULL);
-
+ draw_set_indexes(draw, NULL, 0, 0);
if (ib_transfer)
pipe_buffer_unmap(pipe, ib_transfer);
pipe_resource_reference(&ibuffer.buffer, NULL);
out_unref_vertex:
for (attr = 0; attr < vp->num_inputs; attr++) {
- pipe_buffer_unmap(pipe, vb_transfer[attr]);
- draw_set_mapped_vertex_buffer(draw, attr, NULL);
+ if (vb_transfer[attr])
+ pipe_buffer_unmap(pipe, vb_transfer[attr]);
+ draw_set_mapped_vertex_buffer(draw, attr, NULL, 0);
pipe_resource_reference(&vbuffers[attr].buffer, NULL);
}
- draw_set_vertex_buffers(draw, 0, NULL);
+ draw_set_vertex_buffers(draw, 0, vp->num_inputs, NULL);
}
-
-#endif /* FEATURE_feedback || FEATURE_rastpos */
-
projects / mesa.git / blobdiff