/**************************************************************************
*
- * 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 "pipe/p_context.h"
#include "pipe/p_defines.h"
+#include "pipe/p_shader_tokens.h"
#include "pipe/p_state.h"
#include "pipe/p_screen.h"
#include "util/u_debug.h"
*ptr = surf;
}
+/**
+ * Similar to pipe_surface_reference() but always set the pointer to NULL
+ * and pass in an explicit context. The explicit context avoids the problem
+ * of using a deleted context's surface_destroy() method when freeing a surface
+ * that's shared by multiple contexts.
+ */
+static INLINE void
+pipe_surface_release(struct pipe_context *pipe, struct pipe_surface **ptr)
+{
+ if (pipe_reference_described(&(*ptr)->reference, NULL,
+ (debug_reference_descriptor)debug_describe_surface))
+ pipe->surface_destroy(pipe, *ptr);
+ *ptr = NULL;
+}
+
+
static INLINE void
pipe_resource_reference(struct pipe_resource **ptr, struct pipe_resource *tex)
{
*ptr = view;
}
+/**
+ * Similar to pipe_sampler_view_reference() but always set the pointer to
+ * NULL and pass in an explicit context. Passing an explicit context is a
+ * work-around for fixing a dangling context pointer problem when textures
+ * are shared by multiple contexts. XXX fix this someday.
+ */
+static INLINE void
+pipe_sampler_view_release(struct pipe_context *ctx,
+ struct pipe_sampler_view **ptr)
+{
+ struct pipe_sampler_view *old_view = *ptr;
+ if (*ptr && (*ptr)->context != ctx) {
+ debug_printf_once(("context mis-match in pipe_sampler_view_release()\n"));
+ }
+ if (pipe_reference_described(&(*ptr)->reference, NULL,
+ (debug_reference_descriptor)debug_describe_sampler_view)) {
+ ctx->sampler_view_destroy(ctx, old_view);
+ }
+ *ptr = NULL;
+}
+
+
+static INLINE void
+pipe_so_target_reference(struct pipe_stream_output_target **ptr,
+ struct pipe_stream_output_target *target)
+{
+ struct pipe_stream_output_target *old = *ptr;
+
+ if (pipe_reference_described(&(*ptr)->reference, &target->reference,
+ (debug_reference_descriptor)debug_describe_so_target))
+ old->context->stream_output_target_destroy(old->context, old);
+ *ptr = target;
+}
+
static INLINE void
pipe_surface_reset(struct pipe_context *ctx, struct pipe_surface* ps,
- struct pipe_resource *pt, unsigned level, unsigned layer,
- unsigned flags)
+ struct pipe_resource *pt, unsigned level, unsigned layer)
{
pipe_resource_reference(&ps->texture, pt);
ps->format = pt->format;
ps->width = u_minify(pt->width0, level);
ps->height = u_minify(pt->height0, level);
- ps->usage = flags;
ps->u.tex.level = level;
ps->u.tex.first_layer = ps->u.tex.last_layer = layer;
ps->context = ctx;
static INLINE void
pipe_surface_init(struct pipe_context *ctx, struct pipe_surface* ps,
- struct pipe_resource *pt, unsigned level, unsigned layer,
- unsigned flags)
+ struct pipe_resource *pt, unsigned level, unsigned layer)
{
ps->texture = 0;
pipe_reference_init(&ps->reference, 1);
- pipe_surface_reset(ctx, ps, pt, level, layer, flags);
+ pipe_surface_reset(ctx, ps, pt, level, layer);
}
/* Return true if the surfaces are equal. */
* 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,
+ unsigned usage,
unsigned size )
{
struct pipe_resource buffer;
buffer.target = PIPE_BUFFER;
buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */
buffer.bind = bind;
- buffer.usage = PIPE_USAGE_DEFAULT;
+ buffer.usage = usage;
buffer.flags = 0;
buffer.width0 = size;
buffer.height0 = 1;
}
-static INLINE struct pipe_resource *
-pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size,
- unsigned usage )
-{
- return screen->user_buffer_create(screen, ptr, size, usage);
-}
-
+/**
+ * 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);
- *transfer = pipe->get_transfer( pipe,
- buffer,
- 0,
- usage,
- &box);
-
- if (*transfer == NULL)
- return NULL;
-
- map = pipe->transfer_map( pipe, *transfer );
+ map = pipe->transfer_map(pipe, buffer, 0, access, &box, transfer);
if (map == NULL) {
- pipe->transfer_destroy( pipe, *transfer );
return NULL;
}
- /* Match old screen->buffer_map_range() behaviour, return pointer
- * to where the beginning of the buffer would be:
- */
- return (void *)((char *)map - offset);
+ return map;
}
+/**
+ * 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);
}
pipe_buffer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- if (transfer) {
- pipe->transfer_unmap(pipe, transfer);
- pipe->transfer_destroy(pipe, transfer);
- }
+ pipe->transfer_unmap(pipe, transfer);
}
static INLINE void
int transfer_offset;
assert(length);
- assert(transfer->box.x <= offset);
- assert(offset + length <= transfer->box.x + transfer->box.width);
+ assert(transfer->box.x <= (int) offset);
+ assert((int) (offset + length) <= transfer->box.x + transfer->box.width);
/* Match old screen->buffer_flush_mapped_range() behaviour, where
* offset parameter is relative to the start of the buffer, not the
const void *data)
{
struct pipe_box box;
+ unsigned access = PIPE_TRANSFER_WRITE;
+
+ if (offset == 0 && size == buf->width0) {
+ access |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+ } else {
+ access |= PIPE_TRANSFER_DISCARD_RANGE;
+ }
u_box_1d(offset, size, &box);
pipe->transfer_inline_write( pipe,
buf,
0,
- PIPE_TRANSFER_WRITE,
+ access,
&box,
data,
size,
buf,
0,
(PIPE_TRANSFER_WRITE |
- PIPE_TRANSFER_NOOVERWRITE),
+ PIPE_TRANSFER_UNSYNCHRONIZED),
&box,
data,
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,
+ const void *ptr)
+{
+ struct pipe_resource *res = pipe_buffer_create(pipe->screen,
+ bind, usage, size);
+ pipe_buffer_write_nooverlap(pipe, res, 0, size, ptr);
+ return res;
+}
+
static INLINE void
pipe_buffer_read(struct pipe_context *pipe,
struct pipe_resource *buf,
offset, size,
PIPE_TRANSFER_READ,
&src_transfer);
+ if (!map)
+ return;
- if (map)
- memcpy(data, map + offset, size);
-
+ memcpy(data, map, size);
pipe_buffer_unmap(pipe, src_transfer);
}
-static INLINE struct pipe_transfer *
-pipe_get_transfer( struct pipe_context *context,
- struct pipe_resource *resource,
- unsigned level, unsigned layer,
- enum pipe_transfer_usage usage,
- unsigned x, unsigned y,
- unsigned w, unsigned h)
+
+/**
+ * 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,
+ unsigned access,
+ unsigned x, unsigned y,
+ unsigned w, unsigned h,
+ struct pipe_transfer **transfer)
{
struct pipe_box box;
- u_box_2d_zslice( x, y, layer, w, h, &box );
- return context->get_transfer( context,
- resource,
- level,
- usage,
- &box );
+ u_box_2d_zslice(x, y, layer, w, h, &box);
+ return context->transfer_map(context,
+ resource,
+ level,
+ 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( struct pipe_context *context,
- struct pipe_transfer *transfer )
+pipe_transfer_map_3d(struct pipe_context *context,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned access,
+ unsigned x, unsigned y, unsigned z,
+ unsigned w, unsigned h, unsigned d,
+ struct pipe_transfer **transfer)
{
- return context->transfer_map( context, transfer );
+ struct pipe_box box;
+ u_box_3d(x, y, z, w, h, d, &box);
+ return context->transfer_map(context,
+ resource,
+ level,
+ access,
+ &box, transfer);
}
static INLINE void
context->transfer_unmap( context, transfer );
}
-
static INLINE void
-pipe_transfer_destroy( struct pipe_context *context,
- struct pipe_transfer *transfer )
+pipe_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
+ struct pipe_resource *buf)
{
- context->transfer_destroy(context, transfer);
+ if (buf) {
+ struct pipe_constant_buffer cb;
+ cb.buffer = buf;
+ cb.buffer_offset = 0;
+ cb.buffer_size = buf->width0;
+ cb.user_buffer = NULL;
+ pipe->set_constant_buffer(pipe, shader, index, &cb);
+ } else {
+ pipe->set_constant_buffer(pipe, shader, index, NULL);
+ }
}
-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:
}
}
-/**
- * This function is used to copy an array of pipe_vertex_buffer structures,
- * while properly referencing the pipe_vertex_buffer::buffer member.
- *
- * \sa util_copy_framebuffer_state
- */
-static INLINE void util_copy_vertex_buffers(struct pipe_vertex_buffer *dst,
- unsigned *dst_count,
- const struct pipe_vertex_buffer *src,
- unsigned src_count)
+static INLINE float
+util_get_min_point_size(const struct pipe_rasterizer_state *state)
+{
+ /* The point size should be clamped to this value at the rasterizer stage.
+ */
+ return !state->point_quad_rasterization &&
+ !state->point_smooth &&
+ !state->multisample ? 1.0f : 0.0f;
+}
+
+static INLINE void
+util_query_clear_result(union pipe_query_result *result, unsigned type)
{
- unsigned i;
+ switch (type) {
+ case PIPE_QUERY_OCCLUSION_PREDICATE:
+ case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
+ case PIPE_QUERY_GPU_FINISHED:
+ result->b = FALSE;
+ break;
+ case PIPE_QUERY_OCCLUSION_COUNTER:
+ case PIPE_QUERY_TIMESTAMP:
+ case PIPE_QUERY_TIME_ELAPSED:
+ case PIPE_QUERY_PRIMITIVES_GENERATED:
+ case PIPE_QUERY_PRIMITIVES_EMITTED:
+ result->u64 = 0;
+ break;
+ case PIPE_QUERY_SO_STATISTICS:
+ memset(&result->so_statistics, 0, sizeof(result->so_statistics));
+ break;
+ case PIPE_QUERY_TIMESTAMP_DISJOINT:
+ memset(&result->timestamp_disjoint, 0, sizeof(result->timestamp_disjoint));
+ break;
+ case PIPE_QUERY_PIPELINE_STATISTICS:
+ memset(&result->pipeline_statistics, 0, sizeof(result->pipeline_statistics));
+ break;
+ default:
+ memset(result, 0, sizeof(*result));
+ }
+}
+
+/** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */
+static INLINE unsigned
+util_pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target,
+ unsigned nr_samples)
+{
+ switch (pipe_tex_target) {
+ case PIPE_TEXTURE_1D:
+ assert(nr_samples <= 1);
+ return TGSI_TEXTURE_1D;
+
+ case PIPE_TEXTURE_2D:
+ return nr_samples > 1 ? TGSI_TEXTURE_2D_MSAA : TGSI_TEXTURE_2D;
+
+ case PIPE_TEXTURE_RECT:
+ assert(nr_samples <= 1);
+ return TGSI_TEXTURE_RECT;
+
+ case PIPE_TEXTURE_3D:
+ assert(nr_samples <= 1);
+ return TGSI_TEXTURE_3D;
+
+ case PIPE_TEXTURE_CUBE:
+ assert(nr_samples <= 1);
+ return TGSI_TEXTURE_CUBE;
+
+ case PIPE_TEXTURE_1D_ARRAY:
+ assert(nr_samples <= 1);
+ return TGSI_TEXTURE_1D_ARRAY;
+
+ case PIPE_TEXTURE_2D_ARRAY:
+ return nr_samples > 1 ? TGSI_TEXTURE_2D_ARRAY_MSAA :
+ TGSI_TEXTURE_2D_ARRAY;
+
+ case PIPE_TEXTURE_CUBE_ARRAY:
+ return TGSI_TEXTURE_CUBE_ARRAY;
- /* Reference the buffers of 'src' in 'dst'. */
- for (i = 0; i < src_count; i++) {
- pipe_resource_reference(&dst[i].buffer, src[i].buffer);
+ default:
+ assert(0 && "unexpected texture target");
+ return TGSI_TEXTURE_UNKNOWN;
}
- /* Unreference the rest of the buffers in 'dst'. */
- for (; i < *dst_count; i++) {
- pipe_resource_reference(&dst[i].buffer, NULL);
+}
+
+
+static INLINE void
+util_copy_constant_buffer(struct pipe_constant_buffer *dst,
+ const struct pipe_constant_buffer *src)
+{
+ if (src) {
+ pipe_resource_reference(&dst->buffer, src->buffer);
+ dst->buffer_offset = src->buffer_offset;
+ dst->buffer_size = src->buffer_size;
+ dst->user_buffer = src->user_buffer;
}
+ else {
+ pipe_resource_reference(&dst->buffer, NULL);
+ dst->buffer_offset = 0;
+ dst->buffer_size = 0;
+ dst->user_buffer = NULL;
+ }
+}
- /* Update the size of 'dst' and copy over the other members
- * of pipe_vertex_buffer. */
- *dst_count = src_count;
- memcpy(dst, src, src_count * sizeof(struct pipe_vertex_buffer));
+static INLINE unsigned
+util_max_layer(const struct pipe_resource *r, unsigned level)
+{
+ switch (r->target) {
+ case PIPE_TEXTURE_CUBE:
+ return 6 - 1;
+ case PIPE_TEXTURE_3D:
+ return u_minify(r->depth0, level) - 1;
+ case PIPE_TEXTURE_1D_ARRAY:
+ case PIPE_TEXTURE_2D_ARRAY:
+ case PIPE_TEXTURE_CUBE_ARRAY:
+ return r->array_size - 1;
+ default:
+ return 0;
+ }
}
#ifdef __cplusplus