/**************************************************************************
*
- * 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.
* Convenience wrappers for screen buffer functions.
*/
+
+/**
+ * Create a new resource.
+ * \param bind bitmask of PIPE_BIND_x flags
+ * \param usage bitmask of PIPE_USAGE_x flags
+ */
static INLINE struct pipe_resource *
pipe_buffer_create( struct pipe_screen *screen,
unsigned bind,
return screen->resource_create(screen, &buffer);
}
+
+/**
+ * Map a range of a resource.
+ * \param offset start of region, in bytes
+ * \param length size of region, in bytes
+ * \param access bitmask of PIPE_TRANSFER_x flags
+ * \param transfer returns a transfer object
+ */
static INLINE void *
pipe_buffer_map_range(struct pipe_context *pipe,
struct pipe_resource *buffer,
unsigned offset,
unsigned length,
- unsigned usage,
+ unsigned access,
struct pipe_transfer **transfer)
{
struct pipe_box box;
u_box_1d(offset, length, &box);
- map = pipe->transfer_map(pipe, buffer, 0, usage, &box, transfer);
+ map = pipe->transfer_map(pipe, buffer, 0, access, &box, transfer);
if (map == NULL) {
return NULL;
}
}
+/**
+ * Map whole resource.
+ * \param access bitmask of PIPE_TRANSFER_x flags
+ * \param transfer returns a transfer object
+ */
static INLINE void *
pipe_buffer_map(struct pipe_context *pipe,
struct pipe_resource *buffer,
- unsigned usage,
+ unsigned access,
struct pipe_transfer **transfer)
{
- return pipe_buffer_map_range(pipe, buffer, 0, buffer->width0, usage, transfer);
+ return pipe_buffer_map_range(pipe, buffer, 0, buffer->width0, access, transfer);
}
const void *data)
{
struct pipe_box box;
- unsigned usage = PIPE_TRANSFER_WRITE;
+ unsigned access = PIPE_TRANSFER_WRITE;
if (offset == 0 && size == buf->width0) {
- usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+ access |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
} else {
- usage |= PIPE_TRANSFER_DISCARD_RANGE;
+ access |= PIPE_TRANSFER_DISCARD_RANGE;
}
u_box_1d(offset, size, &box);
pipe->transfer_inline_write( pipe,
buf,
0,
- usage,
+ access,
&box,
data,
size,
0, 0);
}
+
+/**
+ * Create a new resource and immediately put data into it
+ * \param bind bitmask of PIPE_BIND_x flags
+ * \param usage bitmask of PIPE_USAGE_x flags
+ */
static INLINE struct pipe_resource *
pipe_buffer_create_with_data(struct pipe_context *pipe,
unsigned bind,
unsigned usage,
unsigned size,
- void *ptr)
+ const void *ptr)
{
struct pipe_resource *res = pipe_buffer_create(pipe->screen,
bind, usage, size);
pipe_buffer_unmap(pipe, src_transfer);
}
+
+/**
+ * Map a resource for reading/writing.
+ * \param access bitmask of PIPE_TRANSFER_x flags
+ */
static INLINE void *
pipe_transfer_map(struct pipe_context *context,
struct pipe_resource *resource,
unsigned level, unsigned layer,
- enum pipe_transfer_usage usage,
+ unsigned access,
unsigned x, unsigned y,
unsigned w, unsigned h,
struct pipe_transfer **transfer)
return context->transfer_map(context,
resource,
level,
- usage,
+ access,
&box, transfer);
}
+
+/**
+ * Map a 3D (texture) resource for reading/writing.
+ * \param access bitmask of PIPE_TRANSFER_x flags
+ */
static INLINE void *
pipe_transfer_map_3d(struct pipe_context *context,
struct pipe_resource *resource,
unsigned level,
- enum pipe_transfer_usage usage,
+ unsigned access,
unsigned x, unsigned y, unsigned z,
unsigned w, unsigned h, unsigned d,
struct pipe_transfer **transfer)
return context->transfer_map(context,
resource,
level,
- usage,
+ access,
&box, transfer);
}
}
-static INLINE boolean util_get_offset(
- const struct pipe_rasterizer_state *templ,
- unsigned fill_mode)
+/**
+ * Get the polygon offset enable/disable flag for the given polygon fill mode.
+ * \param fill_mode one of PIPE_POLYGON_MODE_POINT/LINE/FILL
+ */
+static INLINE boolean
+util_get_offset(const struct pipe_rasterizer_state *templ,
+ unsigned fill_mode)
{
switch(fill_mode) {
case PIPE_POLYGON_MODE_POINT:
{
/* The point size should be clamped to this value at the rasterizer stage.
*/
- return state->gl_rasterization_rules &&
- !state->point_quad_rasterization &&
+ return !state->point_quad_rasterization &&
!state->point_smooth &&
!state->multisample ? 1.0f : 0.0f;
}
memset(&result->pipeline_statistics, 0, sizeof(result->pipeline_statistics));
break;
default:
- assert(0);
+ memset(result, 0, sizeof(*result));
}
}
}
static INLINE unsigned
-util_max_layer(struct pipe_resource *r, unsigned level)
+util_max_layer(const struct pipe_resource *r, unsigned level)
{
switch (r->target) {
case PIPE_TEXTURE_CUBE: