--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell
+ * Brian Paul
+ */
+
+
+#include "glxheader.h"
+#include "xmesaP.h"
+#include "main/macros.h"
+
+#include "pipe/p_winsys.h"
+#include "pipe/i965simple/brw_winsys.h"
+#include "brw_aub.h"
+#include "xm_winsys_aub.h"
+
+
+
+struct aub_buffer {
+ char *data;
+ unsigned offset;
+ unsigned size;
+ unsigned refcount;
+ unsigned map_count;
+ boolean dump_on_unmap;
+ boolean userbuffer;
+};
+
+
+
+struct aub_pipe_winsys {
+ struct pipe_winsys winsys;
+
+ struct brw_aubfile *aubfile;
+
+ /* This is simple, isn't it:
+ */
+ char *pool;
+ unsigned size;
+ unsigned used;
+};
+
+
+/* Turn a pipe winsys into an aub/pipe winsys:
+ */
+static inline struct aub_pipe_winsys *
+aub_pipe_winsys( struct pipe_winsys *winsys )
+{
+ return (struct aub_pipe_winsys *)winsys;
+}
+
+
+
+static INLINE struct aub_buffer *
+aub_bo( struct pipe_buffer_handle *bo )
+{
+ return (struct aub_buffer *)bo;
+}
+
+static INLINE struct pipe_buffer_handle *
+pipe_bo( struct aub_buffer *bo )
+{
+ return (struct pipe_buffer_handle *)bo;
+}
+
+
+
+
+static void *aub_buffer_map(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle *buf,
+ unsigned flags )
+{
+ struct aub_buffer *sbo = aub_bo(buf);
+
+ if (flags & PIPE_BUFFER_FLAG_WRITE)
+ sbo->dump_on_unmap = 1;
+
+ sbo->map_count++;
+ return sbo->data;
+}
+
+static void aub_buffer_unmap(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle *buf)
+{
+ struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ struct aub_buffer *sbo = aub_bo(buf);
+
+ sbo->map_count--;
+
+ if (sbo->map_count == 0 &&
+ sbo->dump_on_unmap) {
+ brw_aub_gtt_data( iws->aubfile,
+ sbo->offset,
+ sbo->data,
+ sbo->size,
+ 0,
+ 0);
+ }
+}
+
+
+static void
+aub_buffer_reference(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle **ptr,
+ struct pipe_buffer_handle *buf)
+{
+ if (*ptr) {
+ if (--(aub_bo(*ptr)->refcount) == 0)
+ free(*ptr);
+ *ptr = NULL;
+ }
+
+ if (buf) {
+ aub_bo(buf)->refcount++;
+ *ptr = buf;
+ }
+}
+
+
+static int aub_buffer_data(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle *buf,
+ unsigned size, const void *data,
+ unsigned usage )
+{
+ struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ struct aub_buffer *sbo = aub_bo(buf);
+
+ /* Could reuse buffers that are not referenced in current
+ * batchbuffer. Can't do that atm, so always reallocate:
+ */
+ if (1 || sbo->size < size) {
+ assert(iws->used + size < iws->size);
+ sbo->data = iws->pool + iws->used;
+ sbo->offset = AUB_BUF_START + iws->used;
+ iws->used += size;
+ }
+
+ sbo->size = size;
+
+ if (data != NULL) {
+ memcpy(iws->pool, data, size);
+
+ brw_aub_gtt_data( iws->aubfile,
+ sbo->offset,
+ sbo->data,
+ sbo->size,
+ 0,
+ 0 );
+ }
+ return 0;
+}
+
+static int aub_buffer_subdata(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data)
+{
+ struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ struct aub_buffer *sbo = aub_bo(buf);
+
+ assert(sbo->size > offset + size);
+ memcpy(sbo->data + offset, data, size);
+
+ brw_aub_gtt_data( iws->aubfile,
+ sbo->offset + offset,
+ sbo->data + offset,
+ size,
+ 0,
+ 0 );
+ return 0;
+}
+
+
+void xmesa_buffer_subdata_aub(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data,
+ unsigned aub_type,
+ unsigned aub_sub_type)
+{
+ struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ struct aub_buffer *sbo = aub_bo(buf);
+
+ assert(sbo->size > offset + size);
+ memcpy(sbo->data + offset, data, size);
+
+ brw_aub_gtt_data( iws->aubfile,
+ sbo->offset + offset,
+ sbo->data + offset,
+ size,
+ aub_type,
+ aub_sub_type );
+}
+
+void xmesa_commands_aub(struct pipe_winsys *winsys,
+ unsigned *cmds,
+ unsigned nr_dwords)
+{
+ struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ brw_aub_gtt_cmds( iws->aubfile,
+ 0, /* ?? */
+ cmds,
+ nr_dwords * sizeof(int) );
+}
+
+
+static struct aub_pipe_winsys *global_winsys = NULL;
+
+void xmesa_display_aub( /* struct pipe_winsys *winsys, */
+ struct pipe_surface *surface )
+{
+// struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ brw_aub_dump_bmp( global_winsys->aubfile,
+ surface,
+ aub_bo(surface->buffer)->offset );
+}
+
+
+
+static int aub_buffer_get_subdata(struct pipe_winsys *winsys,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ void *data)
+{
+ struct aub_buffer *sbo = aub_bo(buf);
+ assert(sbo->size > offset + size);
+ memcpy(data, sbo->data + offset, size);
+ return 0;
+}
+
+/* Pipe has no concept of pools. We choose the tex/region pool
+ * for all buffers.
+ */
+static struct pipe_buffer_handle *
+aub_buffer_create(struct pipe_winsys *winsys,
+ unsigned alignment,
+ unsigned flags,
+ unsigned hint)
+{
+ return pipe_bo(CALLOC_STRUCT(aub_buffer));
+}
+
+
+static struct pipe_buffer_handle *
+aub_user_buffer_create(struct pipe_winsys *winsys, void *ptr, unsigned bytes)
+{
+ struct aub_buffer *sbo = CALLOC_STRUCT(aub_buffer);
+ sbo->size = bytes;
+ sbo->userbuffer = 1;
+ sbo->data = ptr;
+ return pipe_bo(sbo);
+}
+
+
+/* The state tracker (should!) keep track of whether the fake
+ * frontbuffer has been touched by any rendering since the last time
+ * we copied its contents to the real frontbuffer. Our task is easy:
+ */
+static void
+aub_flush_frontbuffer( struct pipe_winsys *winsys,
+ struct pipe_surface *surf,
+ void *context_private)
+{
+ xmesa_display_aub( surf );
+}
+
+static struct pipe_surface *
+aub_i915_surface_alloc(struct pipe_winsys *winsys)
+{
+ struct pipe_surface *surf = CALLOC_STRUCT(pipe_surface);
+ if (surf) {
+ surf->refcount = 1;
+ surf->winsys = winsys;
+ }
+ return surf;
+}
+
+
+/**
+ * Round n up to next multiple.
+ */
+static INLINE unsigned
+round_up(unsigned n, unsigned multiple)
+{
+ return (n + multiple - 1) & ~(multiple - 1);
+}
+
+static int
+aub_i915_surface_alloc_storage(struct pipe_winsys *winsys,
+ struct pipe_surface *surf,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned flags)
+{
+ const unsigned alignment = 64;
+ int ret;
+
+ surf->width = width;
+ surf->height = height;
+ surf->format = format;
+ surf->cpp = pf_get_size(format);
+ surf->pitch = round_up(width, alignment / surf->cpp);
+
+ assert(!surf->buffer);
+ surf->buffer = winsys->buffer_create(winsys, alignment, 0, 0);
+ if(!surf->buffer)
+ return -1;
+
+ ret = winsys->buffer_data(winsys,
+ surf->buffer,
+ surf->pitch * surf->cpp * height,
+ NULL,
+ 0);
+ if(ret) {
+ winsys->buffer_reference(winsys, &surf->buffer, NULL);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void
+aub_i915_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
+{
+ struct pipe_surface *surf = *s;
+ surf->refcount--;
+ if (surf->refcount == 0) {
+ if (surf->buffer)
+ winsys->buffer_reference(winsys, &surf->buffer, NULL);
+ free(surf);
+ }
+ *s = NULL;
+}
+
+
+
+static void
+aub_printf( struct pipe_winsys *winsys, const char *fmtString, ... )
+{
+ va_list args;
+ va_start( args, fmtString );
+ vfprintf(stderr, fmtString, args);
+ va_end( args );
+}
+
+static const char *
+aub_get_name( struct pipe_winsys *winsys )
+{
+ return "Aub/xlib";
+}
+
+struct pipe_winsys *
+xmesa_create_pipe_winsys_aub( void )
+{
+ struct aub_pipe_winsys *iws = CALLOC_STRUCT( aub_pipe_winsys );
+
+ /* Fill in this struct with callbacks that pipe will need to
+ * communicate with the window system, buffer manager, etc.
+ *
+ * Pipe would be happy with a malloc based memory manager, but
+ * the SwapBuffers implementation in this winsys driver requires
+ * that rendering be done to an appropriate _DriBufferObject.
+ */
+ iws->winsys.buffer_create = aub_buffer_create;
+ iws->winsys.user_buffer_create = aub_user_buffer_create;
+ iws->winsys.buffer_map = aub_buffer_map;
+ iws->winsys.buffer_unmap = aub_buffer_unmap;
+ iws->winsys.buffer_reference = aub_buffer_reference;
+ iws->winsys.buffer_data = aub_buffer_data;
+ iws->winsys.buffer_subdata = aub_buffer_subdata;
+ iws->winsys.buffer_get_subdata = aub_buffer_get_subdata;
+ iws->winsys.flush_frontbuffer = aub_flush_frontbuffer;
+ iws->winsys.printf = aub_printf;
+ iws->winsys.get_name = aub_get_name;
+
+ iws->winsys.surface_alloc = aub_i915_surface_alloc;
+ iws->winsys.surface_alloc_storage = aub_i915_surface_alloc_storage;
+ iws->winsys.surface_release = aub_i915_surface_release;
+
+ iws->aubfile = brw_aubfile_create();
+ iws->size = AUB_BUF_SIZE;
+ iws->pool = malloc(AUB_BUF_SIZE);
+
+ /* HACK: static copy of this pointer:
+ */
+ assert(global_winsys == NULL);
+ global_winsys = iws;
+
+ return &iws->winsys;
+}
+
+
+void
+xmesa_destroy_pipe_winsys_aub( struct pipe_winsys *winsys )
+
+{
+ struct aub_pipe_winsys *iws = aub_pipe_winsys(winsys);
+ brw_aub_destroy(iws->aubfile);
+ free(iws->pool);
+ free(iws);
+}
+
+
+
+
+
+
+
+#define IWS_BATCHBUFFER_SIZE 1024
+
+struct aub_brw_winsys {
+ struct brw_winsys winsys; /**< batch buffer funcs */
+ struct aub_context *aub;
+
+ struct pipe_winsys *pipe_winsys;
+
+ unsigned data[IWS_BATCHBUFFER_SIZE];
+ unsigned nr;
+ unsigned size;
+};
+
+
+/* Turn a i965simple winsys into an aub/i965simple winsys:
+ */
+static inline struct aub_brw_winsys *
+aub_brw_winsys( struct brw_winsys *sws )
+{
+ return (struct aub_brw_winsys *)sws;
+}
+
+
+/* Simple batchbuffer interface:
+ */
+
+static unsigned *aub_i965_batch_start( struct brw_winsys *sws,
+ unsigned dwords,
+ unsigned relocs )
+{
+ struct aub_brw_winsys *iws = aub_brw_winsys(sws);
+
+ if (iws->size < iws->nr + dwords)
+ return NULL;
+
+ return (void *)1; /* not a valid pointer! */
+}
+
+static void aub_i965_batch_dword( struct brw_winsys *sws,
+ unsigned dword )
+{
+ struct aub_brw_winsys *iws = aub_brw_winsys(sws);
+
+ iws->data[iws->nr++] = dword;
+}
+
+static void aub_i965_batch_reloc( struct brw_winsys *sws,
+ struct pipe_buffer_handle *buf,
+ unsigned access_flags,
+ unsigned delta )
+{
+ struct aub_brw_winsys *iws = aub_brw_winsys(sws);
+
+ iws->data[iws->nr++] = aub_bo(buf)->offset + delta;
+}
+
+
+
+static void aub_i965_batch_flush( struct brw_winsys *sws,
+ struct pipe_fence_handle **fence )
+{
+ struct aub_brw_winsys *iws = aub_brw_winsys(sws);
+ assert(iws->nr <= iws->size);
+
+ if (iws->nr)
+ xmesa_commands_aub( iws->pipe_winsys,
+ iws->data,
+ iws->nr );
+ iws->nr = 0;
+}
+
+
+
+static void aub_i965_buffer_subdata_typed(struct brw_winsys *winsys,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data,
+ unsigned data_type)
+{
+ struct aub_brw_winsys *iws = aub_brw_winsys(winsys);
+ unsigned aub_type = DW_GENERAL_STATE;
+ unsigned aub_sub_type;
+
+ switch (data_type) {
+ case BRW_CC_VP:
+ aub_sub_type = DWGS_COLOR_CALC_VIEWPORT_STATE;
+ break;
+ case BRW_CC_UNIT:
+ aub_sub_type = DWGS_COLOR_CALC_STATE;
+ break;
+ case BRW_WM_PROG:
+ aub_sub_type = DWGS_KERNEL_INSTRUCTIONS;
+ break;
+ case BRW_SAMPLER_DEFAULT_COLOR:
+ aub_sub_type = DWGS_SAMPLER_DEFAULT_COLOR;
+ break;
+ case BRW_SAMPLER:
+ aub_sub_type = DWGS_SAMPLER_STATE;
+ break;
+ case BRW_WM_UNIT:
+ aub_sub_type = DWGS_WINDOWER_IZ_STATE;
+ break;
+ case BRW_SF_PROG:
+ aub_sub_type = DWGS_KERNEL_INSTRUCTIONS;
+ break;
+ case BRW_SF_VP:
+ aub_sub_type = DWGS_STRIPS_FANS_VIEWPORT_STATE;
+ break;
+ case BRW_SF_UNIT:
+ aub_sub_type = DWGS_STRIPS_FANS_STATE;
+ break;
+ case BRW_VS_UNIT:
+ aub_sub_type = DWGS_VERTEX_SHADER_STATE;
+ break;
+ case BRW_VS_PROG:
+ aub_sub_type = DWGS_KERNEL_INSTRUCTIONS;
+ break;
+ case BRW_GS_UNIT:
+ aub_sub_type = DWGS_GEOMETRY_SHADER_STATE;
+ break;
+ case BRW_GS_PROG:
+ aub_sub_type = DWGS_KERNEL_INSTRUCTIONS;
+ break;
+ case BRW_CLIP_VP:
+ aub_sub_type = DWGS_CLIPPER_VIEWPORT_STATE;
+ break;
+ case BRW_CLIP_UNIT:
+ aub_sub_type = DWGS_CLIPPER_STATE;
+ break;
+ case BRW_CLIP_PROG:
+ aub_sub_type = DWGS_KERNEL_INSTRUCTIONS;
+ break;
+ case BRW_SS_SURFACE:
+ aub_type = DW_SURFACE_STATE;
+ aub_sub_type = DWSS_SURFACE_STATE;
+ break;
+ case BRW_SS_SURF_BIND:
+ aub_type = DW_SURFACE_STATE;
+ aub_sub_type = DWSS_BINDING_TABLE_STATE;
+ break;
+ }
+
+ xmesa_buffer_subdata_aub( iws->pipe_winsys,
+ buf,
+ offset,
+ size,
+ data,
+ aub_type,
+ aub_sub_type );
+}
+
+/**
+ * Create i965 hardware rendering context.
+ */
+struct pipe_context *
+xmesa_create_i965simple( struct pipe_winsys *winsys )
+{
+ struct aub_brw_winsys *iws = CALLOC_STRUCT( aub_brw_winsys );
+
+ /* Fill in this struct with callbacks that i965simple will need to
+ * communicate with the window system, buffer manager, etc.
+ */
+ iws->winsys.batch_start = aub_i965_batch_start;
+ iws->winsys.batch_dword = aub_i965_batch_dword;
+ iws->winsys.batch_reloc = aub_i965_batch_reloc;
+ iws->winsys.batch_flush = aub_i965_batch_flush;
+ iws->winsys.buffer_subdata_typed = aub_i965_buffer_subdata_typed;
+
+ iws->pipe_winsys = winsys;
+
+ iws->size = IWS_BATCHBUFFER_SIZE;
+
+ /* Create the i965simple context:
+ */
+ return brw_create( winsys,
+ &iws->winsys,
+ 0 );
+}
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