#define BRW_WINSYS_H
#include "pipe/p_compiler.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
struct brw_winsys;
struct pipe_fence_handle;
*/
#define BRW_BATCH_SIZE (32*1024)
+struct brw_winsys_screen;
/* Need a tiny bit of information inside the abstract buffer struct:
*/
struct brw_winsys_buffer {
- unsigned *offset;
+ struct pipe_reference reference;
+ struct brw_winsys_screen *sws;
unsigned size;
};
-enum brw_buffer_usage {
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_SAMPLER,
- I915_GEM_DOMAIN_VERTEX,
- I915_GEM_DOMAIN_INSTRUCTION,
-
-
- /* XXX: migrate from domains to explicit usage cases, eg below:
- */
-
- /* use on textures */
- BRW_USAGE_RENDER = 0x01,
- BRW_USAGE_SAMPLER = 0x02,
- BRW_USAGE_2D_TARGET = 0x04,
- BRW_USAGE_2D_SOURCE = 0x08,
- /* use on vertex */
- BRW_USAGE_VERTEX = 0x10,
-};
+/* Should be possible to validate usages above against buffer creation
+ * types, below:
+ */
enum brw_buffer_type
{
BRW_BUFFER_TYPE_TEXTURE,
- BRW_BUFFER_TYPE_SCANOUT, /**< a texture used for scanning out from */
+ BRW_BUFFER_TYPE_SCANOUT, /**< a texture used for scanning out from */
BRW_BUFFER_TYPE_VERTEX,
BRW_BUFFER_TYPE_CURBE,
BRW_BUFFER_TYPE_QUERY,
BRW_BUFFER_TYPE_SHADER_CONSTANTS,
- BRW_BUFFER_TYPE_WM_SCRATCH,
+ BRW_BUFFER_TYPE_SHADER_SCRATCH,
BRW_BUFFER_TYPE_BATCH,
- BRW_BUFFER_TYPE_STATE_CACHE,
-
- BRW_BUFFER_TYPE_MAX /* Count of possible values */
+ BRW_BUFFER_TYPE_GENERAL_STATE,
+ BRW_BUFFER_TYPE_SURFACE_STATE,
+ BRW_BUFFER_TYPE_PIXEL, /* image uploads, pbo's, etc */
+ BRW_BUFFER_TYPE_GENERIC, /* unknown */
+ BRW_BUFFER_TYPE_MAX /* Count of possible values */
+};
+
+
+/* Describe the usage of a particular buffer in a relocation. The DRM
+ * winsys will translate these back to GEM read/write domain flags.
+ */
+enum brw_buffer_usage {
+ BRW_USAGE_STATE, /* INSTRUCTION, 0 */
+ BRW_USAGE_QUERY_RESULT, /* INSTRUCTION, INSTRUCTION */
+ BRW_USAGE_RENDER_TARGET, /* RENDER, 0 */
+ BRW_USAGE_DEPTH_BUFFER, /* RENDER, RENDER */
+ BRW_USAGE_BLIT_SOURCE, /* RENDER, 0 */
+ BRW_USAGE_BLIT_DEST, /* RENDER, RENDER */
+ BRW_USAGE_SAMPLER, /* SAMPLER, 0 */
+ BRW_USAGE_VERTEX, /* VERTEX, 0 */
+ BRW_USAGE_SCRATCH, /* 0, 0 */
+ BRW_USAGE_MAX
};
+enum brw_buffer_data_type {
+ BRW_DATA_GS_CC_VP,
+ BRW_DATA_GS_CC_UNIT,
+ BRW_DATA_GS_WM_PROG,
+ BRW_DATA_GS_SAMPLER_DEFAULT_COLOR,
+ BRW_DATA_GS_SAMPLER,
+ BRW_DATA_GS_WM_UNIT,
+ BRW_DATA_GS_SF_PROG,
+ BRW_DATA_GS_SF_VP,
+ BRW_DATA_GS_SF_UNIT,
+ BRW_DATA_GS_VS_UNIT,
+ BRW_DATA_GS_VS_PROG,
+ BRW_DATA_GS_GS_UNIT,
+ BRW_DATA_GS_GS_PROG,
+ BRW_DATA_GS_CLIP_VP,
+ BRW_DATA_GS_CLIP_UNIT,
+ BRW_DATA_GS_CLIP_PROG,
+ BRW_DATA_SS_SURFACE,
+ BRW_DATA_SS_SURF_BIND,
+ BRW_DATA_CONSTANT_BUFFER,
+ BRW_DATA_BATCH_BUFFER,
+ BRW_DATA_OTHER,
+ BRW_DATA_MAX
+};
+
+
+/* Matches the i915_drm definitions:
+ */
+#define BRW_TILING_NONE 0
+#define BRW_TILING_X 1
+#define BRW_TILING_Y 2
+
+
+/* Relocations to be applied with subdata in a call to sws->bo_subdata, below.
+ *
+ * Effectively this encodes:
+ *
+ * (unsigned *)(subdata + offset) = bo->offset + delta
+ */
+struct brw_winsys_reloc {
+ enum brw_buffer_usage usage; /* debug only */
+ unsigned delta;
+ unsigned offset;
+ struct brw_winsys_buffer *bo;
+};
+
+static INLINE void make_reloc(struct brw_winsys_reloc *reloc,
+ enum brw_buffer_usage usage,
+ unsigned delta,
+ unsigned offset,
+ struct brw_winsys_buffer *bo)
+{
+ reloc->usage = usage;
+ reloc->delta = delta;
+ reloc->offset = offset;
+ reloc->bo = bo; /* Note - note taking a reference yet */
+}
+
+
+
struct brw_winsys_screen {
/**
* Create a buffer.
*/
- struct brw_winsys_buffer *(*bo_alloc)( struct brw_winsys_screen *sws,
- enum brw_buffer_type type,
- unsigned size,
- unsigned alignment );
-
- /* Reference and unreference buffers:
+ enum pipe_error (*bo_alloc)(struct brw_winsys_screen *sws,
+ enum brw_buffer_type type,
+ unsigned size,
+ unsigned alignment,
+ struct brw_winsys_buffer **bo_out);
+
+ enum pipe_error (*bo_from_handle)(struct brw_winsys_screen *sws,
+ struct winsys_handle *whandle,
+ unsigned *stride,
+ unsigned *tiling,
+ struct brw_winsys_buffer **bo_out);
+
+ enum pipe_error (*bo_get_handle)(struct brw_winsys_buffer *buffer,
+ struct winsys_handle *whandle,
+ unsigned stride);
+
+ /* Destroy a buffer when our refcount goes to zero:
*/
- void (*bo_reference)( struct brw_winsys_buffer *buffer );
- void (*bo_unreference)( struct brw_winsys_buffer *buffer );
+ void (*bo_destroy)(struct brw_winsys_buffer *buffer);
- /* XXX: parameter names!!
+ /* delta -- added to b2->offset, and written into buffer
+ * offset -- location above value is written to within buffer
*/
- int (*bo_emit_reloc)( struct brw_winsys_buffer *buffer,
- unsigned domain,
- unsigned a,
- unsigned b,
- unsigned offset,
- struct brw_winsys_buffer *b2);
-
- int (*bo_exec)( struct brw_winsys_buffer *buffer,
- unsigned bytes_used );
-
- int (*bo_subdata)(struct brw_winsys_buffer *buffer,
- size_t offset,
- size_t size,
- const void *data);
+ enum pipe_error (*bo_emit_reloc)(struct brw_winsys_buffer *buffer,
+ enum brw_buffer_usage usage,
+ unsigned delta,
+ unsigned offset,
+ struct brw_winsys_buffer *b2);
+
+ enum pipe_error (*bo_exec)(struct brw_winsys_buffer *buffer,
+ unsigned bytes_used);
+
+ enum pipe_error (*bo_subdata)(struct brw_winsys_buffer *buffer,
+ enum brw_buffer_data_type data_type,
+ size_t offset,
+ size_t size,
+ const void *data,
+ const struct brw_winsys_reloc *reloc,
+ unsigned nr_reloc );
boolean (*bo_is_busy)(struct brw_winsys_buffer *buffer);
boolean (*bo_references)(struct brw_winsys_buffer *a,
- struct brw_winsys_buffer *b);
+ struct brw_winsys_buffer *b);
/* XXX: couldn't this be handled by returning true/false on
* bo_emit_reloc?
*/
- boolean (*check_aperture_space)( struct brw_winsys_screen *iws,
- struct brw_winsys_buffer **buffers,
- unsigned count );
+ enum pipe_error (*check_aperture_space)(struct brw_winsys_screen *iws,
+ struct brw_winsys_buffer **buffers,
+ unsigned count);
/**
* Map a buffer.
*/
void *(*bo_map)(struct brw_winsys_buffer *buffer,
- boolean write);
+ enum brw_buffer_data_type data_type,
+ unsigned offset,
+ unsigned length,
+ boolean write,
+ boolean discard,
+ boolean flush_explicit);
+
+ void (*bo_flush_range)(struct brw_winsys_buffer *buffer,
+ unsigned offset,
+ unsigned length);
/**
* Unmap a buffer.
void (*bo_unmap)(struct brw_winsys_buffer *buffer);
/*@}*/
-
-
-
+
+ /* Wait for buffer to go idle. Similar to map+unmap, but doesn't
+ * mark buffer contents as dirty.
+ */
+ void (*bo_wait_idle)(struct brw_winsys_buffer *buffer);
+
/**
* Destroy the winsys.
*/
void (*destroy)(struct brw_winsys_screen *iws);
};
+static INLINE void *
+bo_map_read(struct brw_winsys_screen *sws, struct brw_winsys_buffer *buf)
+{
+ return sws->bo_map( buf,
+ BRW_DATA_OTHER,
+ 0, buf->size,
+ FALSE, FALSE, FALSE );
+}
+
+static INLINE void
+bo_reference(struct brw_winsys_buffer **ptr, struct brw_winsys_buffer *buf)
+{
+ struct brw_winsys_buffer *old_buf = *ptr;
+
+ if (pipe_reference(&(*ptr)->reference, &buf->reference))
+ old_buf->sws->bo_destroy(old_buf);
+
+ *ptr = buf;
+}
+
/**
* Create brw pipe_screen.
*/
struct pipe_screen *brw_create_screen(struct brw_winsys_screen *iws, unsigned pci_id);
-/**
- * Create a brw pipe_context.
- */
-struct pipe_context *brw_create_context(struct pipe_screen *screen);
-/**
- * Get the brw_winsys buffer backing the texture.
- *
- * TODO UGLY
- */
-struct pipe_texture;
-boolean brw_texture_get_winsys_buffer(struct pipe_texture *texture,
- struct brw_winsys_buffer **buffer,
- unsigned *stride);
-/**
- * Wrap a brw_winsys buffer with a texture blanket.
- *
- * TODO UGLY
+/*************************************************************************
+ * Cooperative dumping between winsys and driver. TODO: make this
+ * driver-only by wrapping calls to winsys->bo_subdata().
*/
-struct pipe_texture *
-brw_texture_blanket_winsys_buffer(struct pipe_screen *screen,
- const struct pipe_texture *template,
- const unsigned pitch,
- struct brw_winsys_buffer *buffer);
-
+#ifdef DEBUG
+extern int BRW_DUMP;
+#else
+#define BRW_DUMP 0
+#endif
+
+#define DUMP_ASM 0x1
+#define DUMP_STATE 0x2
+#define DUMP_BATCH 0x4
+
+void brw_dump_data( unsigned pci_id,
+ enum brw_buffer_data_type data_type,
+ unsigned offset,
+ const void *data,
+ size_t size );
#endif
projects / mesa.git / blobdiff