/**************************************************************************
*
- * 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"
+#include "util/u_debug_describe.h"
+#include "util/u_debug_refcnt.h"
#include "util/u_atomic.h"
+#include "util/u_box.h"
+#include "util/u_math.h"
#ifdef __cplusplus
*/
-static INLINE void
+static inline void
pipe_reference_init(struct pipe_reference *reference, unsigned count)
{
p_atomic_set(&reference->count, count);
}
-static INLINE boolean
+static inline boolean
pipe_is_referenced(struct pipe_reference *reference)
{
return p_atomic_read(&reference->count) != 0;
* Both 'ptr' and 'reference' may be NULL.
* \return TRUE if the object's refcount hits zero and should be destroyed.
*/
-static INLINE boolean
-pipe_reference(struct pipe_reference *ptr, struct pipe_reference *reference)
+static inline boolean
+pipe_reference_described(struct pipe_reference *ptr,
+ struct pipe_reference *reference,
+ debug_reference_descriptor get_desc)
{
boolean destroy = FALSE;
if (reference) {
assert(pipe_is_referenced(reference));
p_atomic_inc(&reference->count);
+ debug_reference(reference, get_desc, 1);
}
if (ptr) {
if (p_atomic_dec_zero(&ptr->count)) {
destroy = TRUE;
}
+ debug_reference(ptr, get_desc, -1);
}
}
return destroy;
}
-static INLINE void
-pipe_buffer_reference(struct pipe_buffer **ptr, struct pipe_buffer *buf)
+static inline boolean
+pipe_reference(struct pipe_reference *ptr, struct pipe_reference *reference)
{
- struct pipe_buffer *old_buf = *ptr;
-
- if (pipe_reference(&(*ptr)->reference, &buf->reference))
- old_buf->screen->buffer_destroy(old_buf);
- *ptr = buf;
+ return pipe_reference_described(ptr, reference,
+ (debug_reference_descriptor)debug_describe_reference);
}
-static INLINE void
+static inline void
pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
{
struct pipe_surface *old_surf = *ptr;
- if (pipe_reference(&(*ptr)->reference, &surf->reference))
- old_surf->texture->screen->tex_surface_destroy(old_surf);
+ if (pipe_reference_described(&(*ptr)->reference, &surf->reference,
+ (debug_reference_descriptor)debug_describe_surface))
+ old_surf->context->surface_destroy(old_surf->context, old_surf);
*ptr = surf;
}
-static INLINE void
-pipe_texture_reference(struct pipe_texture **ptr, struct pipe_texture *tex)
+/**
+ * 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)
{
- struct pipe_texture *old_tex = *ptr;
+ if (pipe_reference_described(&(*ptr)->reference, NULL,
+ (debug_reference_descriptor)debug_describe_surface))
+ pipe->surface_destroy(pipe, *ptr);
+ *ptr = NULL;
+}
- if (pipe_reference(&(*ptr)->reference, &tex->reference))
- old_tex->screen->texture_destroy(old_tex);
+
+static inline void
+pipe_resource_reference(struct pipe_resource **ptr, struct pipe_resource *tex)
+{
+ struct pipe_resource *old_tex = *ptr;
+
+ if (pipe_reference_described(&(*ptr)->reference, &tex->reference,
+ (debug_reference_descriptor)debug_describe_resource)) {
+ pipe_resource_reference(&old_tex->next, NULL);
+ old_tex->screen->resource_destroy(old_tex->screen, old_tex);
+ }
*ptr = tex;
}
+static inline void
+pipe_sampler_view_reference(struct pipe_sampler_view **ptr, struct pipe_sampler_view *view)
+{
+ struct pipe_sampler_view *old_view = *ptr;
+
+ if (pipe_reference_described(&(*ptr)->reference, &view->reference,
+ (debug_reference_descriptor)debug_describe_sampler_view))
+ old_view->context->sampler_view_destroy(old_view->context, old_view);
+ *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)
+{
+ 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->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)
+{
+ ps->texture = 0;
+ pipe_reference_init(&ps->reference, 1);
+ pipe_surface_reset(ctx, ps, pt, level, layer);
+}
+
+/* Return true if the surfaces are equal. */
+static inline boolean
+pipe_surface_equal(struct pipe_surface *s1, struct pipe_surface *s2)
+{
+ return s1->texture == s2->texture &&
+ s1->format == s2->format &&
+ (s1->texture->target != PIPE_BUFFER ||
+ (s1->u.buf.first_element == s2->u.buf.first_element &&
+ s1->u.buf.last_element == s2->u.buf.last_element)) &&
+ (s1->texture->target == PIPE_BUFFER ||
+ (s1->u.tex.level == s2->u.tex.level &&
+ s1->u.tex.first_layer == s2->u.tex.first_layer &&
+ s1->u.tex.last_layer == s2->u.tex.last_layer));
+}
/*
* Convenience wrappers for screen buffer functions.
*/
-static INLINE struct pipe_buffer *
+
+/**
+ * Create a new resource.
+ * \param bind bitmask of PIPE_BIND_x flags
+ * \param usage a PIPE_USAGE_x value
+ */
+static inline struct pipe_resource *
pipe_buffer_create( struct pipe_screen *screen,
- unsigned alignment, unsigned usage, unsigned size )
+ unsigned bind,
+ enum pipe_resource_usage usage,
+ unsigned size )
{
- return screen->buffer_create(screen, alignment, usage, size);
+ struct pipe_resource buffer;
+ memset(&buffer, 0, sizeof buffer);
+ buffer.target = PIPE_BUFFER;
+ buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */
+ buffer.bind = bind;
+ buffer.usage = usage;
+ buffer.flags = 0;
+ buffer.width0 = size;
+ buffer.height0 = 1;
+ buffer.depth0 = 1;
+ buffer.array_size = 1;
+ return screen->resource_create(screen, &buffer);
}
-static INLINE struct pipe_buffer *
-pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size )
-{
- return screen->user_buffer_create(screen, ptr, size);
-}
-static INLINE void *
-pipe_buffer_map(struct pipe_screen *screen,
- struct pipe_buffer *buf,
- unsigned 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 access,
+ struct pipe_transfer **transfer)
{
- if(screen->buffer_map_range) {
- unsigned offset = 0;
- unsigned length = buf->size;
- return screen->buffer_map_range(screen, buf, offset, length, usage);
+ struct pipe_box box;
+ void *map;
+
+ assert(offset < buffer->width0);
+ assert(offset + length <= buffer->width0);
+ assert(length);
+
+ u_box_1d(offset, length, &box);
+
+ map = pipe->transfer_map(pipe, buffer, 0, access, &box, transfer);
+ if (!map) {
+ return NULL;
}
- else
- return screen->buffer_map(screen, buf, usage);
+
+ return map;
}
-static INLINE void
-pipe_buffer_unmap(struct pipe_screen *screen,
- struct pipe_buffer *buf)
+
+/**
+ * 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 access,
+ struct pipe_transfer **transfer)
{
- screen->buffer_unmap(screen, buf);
+ return pipe_buffer_map_range(pipe, buffer, 0, buffer->width0, access, transfer);
}
-static INLINE void *
-pipe_buffer_map_range(struct pipe_screen *screen,
- struct pipe_buffer *buf,
- unsigned offset,
- unsigned length,
- unsigned usage)
+
+static inline void
+pipe_buffer_unmap(struct pipe_context *pipe,
+ struct pipe_transfer *transfer)
{
- assert(offset < buf->size);
- assert(offset + length <= buf->size);
- assert(length);
- if(screen->buffer_map_range)
- return screen->buffer_map_range(screen, buf, offset, length, usage);
- else
- return screen->buffer_map(screen, buf, usage);
+ pipe->transfer_unmap(pipe, transfer);
}
-static INLINE void
-pipe_buffer_flush_mapped_range(struct pipe_screen *screen,
- struct pipe_buffer *buf,
+static inline void
+pipe_buffer_flush_mapped_range(struct pipe_context *pipe,
+ struct pipe_transfer *transfer,
unsigned offset,
unsigned length)
{
- assert(offset < buf->size);
- assert(offset + length <= buf->size);
+ struct pipe_box box;
+ int transfer_offset;
+
assert(length);
- if(screen->buffer_flush_mapped_range)
- screen->buffer_flush_mapped_range(screen, buf, offset, length);
+ 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
+ * mapped range.
+ */
+ transfer_offset = offset - transfer->box.x;
+
+ u_box_1d(transfer_offset, length, &box);
+
+ pipe->transfer_flush_region(pipe, transfer, &box);
}
-static INLINE void
-pipe_buffer_write(struct pipe_screen *screen,
- struct pipe_buffer *buf,
- unsigned offset, unsigned size,
+static inline void
+pipe_buffer_write(struct pipe_context *pipe,
+ struct pipe_resource *buf,
+ unsigned offset,
+ unsigned size,
const void *data)
{
- void *map;
-
- assert(offset < buf->size);
- assert(offset + size <= buf->size);
- assert(size);
-
- map = pipe_buffer_map_range(screen, buf, offset, size,
- PIPE_BUFFER_USAGE_CPU_WRITE |
- PIPE_BUFFER_USAGE_FLUSH_EXPLICIT |
- PIPE_BUFFER_USAGE_DISCARD);
- assert(map);
- if(map) {
- memcpy((uint8_t *)map + offset, data, size);
- pipe_buffer_flush_mapped_range(screen, buf, offset, size);
- pipe_buffer_unmap(screen, buf);
- }
+ /* Don't set any other usage bits. Drivers should derive them. */
+ pipe->buffer_subdata(pipe, buf, PIPE_TRANSFER_WRITE, offset, size, data);
}
/**
* We can avoid GPU/CPU synchronization when writing range that has never
* been written before.
*/
-static INLINE void
-pipe_buffer_write_nooverlap(struct pipe_screen *screen,
- struct pipe_buffer *buf,
+static inline void
+pipe_buffer_write_nooverlap(struct pipe_context *pipe,
+ struct pipe_resource *buf,
unsigned offset, unsigned size,
const void *data)
{
- void *map;
+ pipe->buffer_subdata(pipe, buf,
+ (PIPE_TRANSFER_WRITE |
+ PIPE_TRANSFER_UNSYNCHRONIZED),
+ offset, size, data);
+}
- assert(offset < buf->size);
- assert(offset + size <= buf->size);
- assert(size);
-
- map = pipe_buffer_map_range(screen, buf, offset, size,
- PIPE_BUFFER_USAGE_CPU_WRITE |
- PIPE_BUFFER_USAGE_FLUSH_EXPLICIT |
- PIPE_BUFFER_USAGE_DISCARD |
- PIPE_BUFFER_USAGE_UNSYNCHRONIZED);
- assert(map);
- if(map) {
- memcpy((uint8_t *)map + offset, data, size);
- pipe_buffer_flush_mapped_range(screen, buf, offset, size);
- pipe_buffer_unmap(screen, buf);
- }
+
+/**
+ * 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,
+ enum pipe_resource_usage 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_screen *screen,
- struct pipe_buffer *buf,
- unsigned offset, unsigned size,
+static inline void
+pipe_buffer_read(struct pipe_context *pipe,
+ struct pipe_resource *buf,
+ unsigned offset,
+ unsigned size,
void *data)
{
- void *map;
-
- assert(offset < buf->size);
- assert(offset + size <= buf->size);
- assert(size);
-
- map = pipe_buffer_map_range(screen, buf, offset, size, PIPE_BUFFER_USAGE_CPU_READ);
- assert(map);
- if(map) {
- memcpy(data, (const uint8_t *)map + offset, size);
- pipe_buffer_unmap(screen, buf);
+ struct pipe_transfer *src_transfer;
+ ubyte *map;
+
+ map = (ubyte *) pipe_buffer_map_range(pipe,
+ buf,
+ offset, size,
+ PIPE_TRANSFER_READ,
+ &src_transfer);
+ if (!map)
+ return;
+
+ memcpy(data, map, 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,
+ 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->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_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)
+{
+ 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
+pipe_transfer_unmap( struct pipe_context *context,
+ struct pipe_transfer *transfer )
+{
+ context->transfer_unmap( context, transfer );
+}
+
+static inline void
+pipe_set_constant_buffer(struct pipe_context *pipe,
+ enum pipe_shader_type shader, uint index,
+ struct pipe_resource *buf)
+{
+ 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);
+ }
+}
+
+
+/**
+ * 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:
+ return templ->offset_point;
+ case PIPE_POLYGON_MODE_LINE:
+ return templ->offset_line;
+ case PIPE_POLYGON_MODE_FILL:
+ return templ->offset_tri;
+ default:
+ assert(0);
+ return FALSE;
}
}
-static INLINE void *
-pipe_transfer_map( struct pipe_transfer *transf )
+static inline float
+util_get_min_point_size(const struct pipe_rasterizer_state *state)
{
- struct pipe_screen *screen = transf->texture->screen;
- return screen->transfer_map(screen, transf);
+ /* 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
-pipe_transfer_unmap( struct pipe_transfer *transf )
+static inline void
+util_query_clear_result(union pipe_query_result *result, unsigned type)
{
- struct pipe_screen *screen = transf->texture->screen;
- screen->transfer_unmap(screen, transf);
+ 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));
+ }
}
-static INLINE void
-pipe_transfer_destroy( struct pipe_transfer *transf )
+/** 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)
{
- struct pipe_screen *screen = transf->texture->screen;
- screen->tex_transfer_destroy(transf);
+ switch (pipe_tex_target) {
+ case PIPE_BUFFER:
+ return TGSI_TEXTURE_BUFFER;
+
+ 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;
+
+ default:
+ assert(0 && "unexpected texture target");
+ return TGSI_TEXTURE_UNKNOWN;
+ }
+}
+
+
+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;
+ }
}
-static INLINE unsigned
-pipe_transfer_buffer_flags( struct pipe_transfer *transf )
+static inline void
+util_copy_image_view(struct pipe_image_view *dst,
+ const struct pipe_image_view *src)
{
- switch (transf->usage & PIPE_TRANSFER_READ_WRITE) {
- case PIPE_TRANSFER_READ_WRITE:
- return PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE;
- case PIPE_TRANSFER_READ:
- return PIPE_BUFFER_USAGE_CPU_READ;
- case PIPE_TRANSFER_WRITE:
- return PIPE_BUFFER_USAGE_CPU_WRITE;
+ if (src) {
+ pipe_resource_reference(&dst->resource, src->resource);
+ dst->format = src->format;
+ dst->access = src->access;
+ dst->u = src->u;
+ } else {
+ pipe_resource_reference(&dst->resource, NULL);
+ dst->format = PIPE_FORMAT_NONE;
+ dst->access = 0;
+ memset(&dst->u, 0, sizeof(dst->u));
+ }
+}
+
+static inline unsigned
+util_max_layer(const struct pipe_resource *r, unsigned level)
+{
+ switch (r->target) {
+ case PIPE_TEXTURE_3D:
+ return u_minify(r->depth0, level) - 1;
+ case PIPE_TEXTURE_CUBE:
+ assert(r->array_size == 6);
+ /* fall-through */
+ case PIPE_TEXTURE_1D_ARRAY:
+ case PIPE_TEXTURE_2D_ARRAY:
+ case PIPE_TEXTURE_CUBE_ARRAY:
+ return r->array_size - 1;
default:
- debug_assert(0);
return 0;
}
}
+static inline bool
+util_texrange_covers_whole_level(const struct pipe_resource *tex,
+ unsigned level, unsigned x, unsigned y,
+ unsigned z, unsigned width,
+ unsigned height, unsigned depth)
+{
+ return x == 0 && y == 0 && z == 0 &&
+ width == u_minify(tex->width0, level) &&
+ height == u_minify(tex->height0, level) &&
+ depth == util_max_layer(tex, level) + 1;
+}
+
#ifdef __cplusplus
}
#endif
projects / mesa.git / blobdiff