--- /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 "util/u_memory.h"
+#include "util/u_math.h"
+#include "pipe/p_error.h"
+#include "pipe/p_context.h"
+
+#include "xm_public.h"
+
+#include "i965/brw_winsys.h"
+#include "i965/brw_screen.h"
+#include "i965/brw_reg.h"
+#include "i965/brw_structs_dump.h"
+
+#define MAX_VRAM (128*1024*1024)
+
+
+
+extern int brw_disasm (FILE *file,
+ const struct brw_instruction *inst,
+ unsigned count );
+
+extern int intel_decode(const uint32_t *data,
+ int count,
+ uint32_t hw_offset,
+ uint32_t devid);
+
+struct xlib_brw_buffer
+{
+ struct brw_winsys_buffer base;
+ char *virtual;
+ unsigned offset;
+ unsigned type;
+ int map_count;
+ boolean modified;
+};
+
+
+/**
+ * Subclass of brw_winsys_screen for Xlib winsys
+ */
+struct xlib_brw_winsys
+{
+ struct brw_winsys_screen base;
+ struct brw_chipset chipset;
+
+ unsigned size;
+ unsigned used;
+};
+
+static struct xlib_brw_winsys *
+xlib_brw_winsys( struct brw_winsys_screen *screen )
+{
+ return (struct xlib_brw_winsys *)screen;
+}
+
+
+static struct xlib_brw_buffer *
+xlib_brw_buffer( struct brw_winsys_buffer *buffer )
+{
+ return (struct xlib_brw_buffer *)buffer;
+}
+
+
+
+const char *names[BRW_BUFFER_TYPE_MAX] = {
+ "TEXTURE",
+ "SCANOUT",
+ "VERTEX",
+ "CURBE",
+ "QUERY",
+ "SHADER_CONSTANTS",
+ "WM_SCRATCH",
+ "BATCH",
+ "GENERAL_STATE",
+ "SURFACE_STATE",
+ "PIXEL",
+ "GENERIC",
+};
+
+const char *usages[BRW_USAGE_MAX] = {
+ "STATE",
+ "QUERY_RESULT",
+ "RENDER_TARGET",
+ "DEPTH_BUFFER",
+ "BLIT_SOURCE",
+ "BLIT_DEST",
+ "SAMPLER",
+ "VERTEX",
+ "SCRATCH"
+};
+
+
+const char *data_types[BRW_DATA_MAX] =
+{
+ "GS: CC_VP",
+ "GS: CC_UNIT",
+ "GS: WM_PROG",
+ "GS: SAMPLER_DEFAULT_COLOR",
+ "GS: SAMPLER",
+ "GS: WM_UNIT",
+ "GS: SF_PROG",
+ "GS: SF_VP",
+ "GS: SF_UNIT",
+ "GS: VS_UNIT",
+ "GS: VS_PROG",
+ "GS: GS_UNIT",
+ "GS: GS_PROG",
+ "GS: CLIP_VP",
+ "GS: CLIP_UNIT",
+ "GS: CLIP_PROG",
+ "SS: SURFACE",
+ "SS: SURF_BIND",
+ "CONSTANT DATA",
+ "BATCH DATA",
+ "(untyped)"
+};
+
+
+static enum pipe_error
+xlib_brw_bo_alloc( struct brw_winsys_screen *sws,
+ enum brw_buffer_type type,
+ unsigned size,
+ unsigned alignment,
+ struct brw_winsys_buffer **bo_out )
+{
+ struct xlib_brw_winsys *xbw = xlib_brw_winsys(sws);
+ struct xlib_brw_buffer *buf;
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s type %s sz %d align %d\n",
+ __FUNCTION__, names[type], size, alignment );
+
+ buf = CALLOC_STRUCT(xlib_brw_buffer);
+ if (!buf)
+ return PIPE_ERROR_OUT_OF_MEMORY;
+
+ pipe_reference_init(&buf->base.reference, 1);
+
+ buf->offset = align(xbw->used, alignment);
+ buf->type = type;
+ buf->virtual = MALLOC(size);
+ buf->base.size = size;
+ buf->base.sws = sws;
+
+ xbw->used = align(xbw->used, alignment) + size;
+ if (xbw->used > MAX_VRAM)
+ goto err;
+
+ /* XXX: possibly rentrant call to bo_destroy:
+ */
+ bo_reference(bo_out, &buf->base);
+ return PIPE_OK;
+
+err:
+ assert(0);
+ FREE(buf->virtual);
+ FREE(buf);
+ return PIPE_ERROR_OUT_OF_MEMORY;
+}
+
+static void
+xlib_brw_bo_destroy( struct brw_winsys_buffer *buffer )
+{
+ struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
+
+ FREE(buf);
+}
+
+static int
+xlib_brw_bo_emit_reloc( struct brw_winsys_buffer *buffer,
+ enum brw_buffer_usage usage,
+ unsigned delta,
+ unsigned offset,
+ struct brw_winsys_buffer *buffer2)
+{
+ struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
+ struct xlib_brw_buffer *buf2 = xlib_brw_buffer(buffer2);
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s buf %p offset %x val %x + %x buf2 %p/%s/%s\n",
+ __FUNCTION__, (void *)buffer, offset,
+ buf2->offset, delta,
+ (void *)buffer2, names[buf2->type], usages[usage]);
+
+ *(uint32_t *)(buf->virtual + offset) = buf2->offset + delta;
+
+ return 0;
+}
+
+static int
+xlib_brw_bo_exec( struct brw_winsys_buffer *buffer,
+ unsigned bytes_used )
+{
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("execute buffer %p, bytes %d\n", (void *)buffer, bytes_used);
+
+ return 0;
+}
+
+
+
+
+static int
+xlib_brw_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_relocs)
+{
+ struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
+ struct xlib_brw_winsys *xbw = xlib_brw_winsys(buffer->sws);
+ unsigned i;
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s buf %p off %d sz %d %s relocs: %d\n",
+ __FUNCTION__,
+ (void *)buffer, offset, size,
+ data_types[data_type],
+ nr_relocs);
+
+ assert(buf->base.size >= offset + size);
+ memcpy(buf->virtual + offset, data, size);
+
+ /* Apply the relocations:
+ */
+ for (i = 0; i < nr_relocs; i++) {
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("\treloc[%d] usage %s off %d value %x+%x\n",
+ i, usages[reloc[i].usage], reloc[i].offset,
+ xlib_brw_buffer(reloc[i].bo)->offset, reloc[i].delta);
+
+ *(unsigned *)(buf->virtual + offset + reloc[i].offset) =
+ xlib_brw_buffer(reloc[i].bo)->offset + reloc[i].delta;
+ }
+
+ if (BRW_DUMP)
+ brw_dump_data( xbw->chipset.pci_id,
+ data_type,
+ buf->offset + offset,
+ buf->virtual + offset, size );
+
+
+ return 0;
+}
+
+
+static boolean
+xlib_brw_bo_is_busy(struct brw_winsys_buffer *buffer)
+{
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s %p\n", __FUNCTION__, (void *)buffer);
+ return TRUE;
+}
+
+static boolean
+xlib_brw_bo_references(struct brw_winsys_buffer *a,
+ struct brw_winsys_buffer *b)
+{
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s %p %p\n", __FUNCTION__, (void *)a, (void *)b);
+ return TRUE;
+}
+
+static enum pipe_error
+xlib_brw_check_aperture_space( struct brw_winsys_screen *iws,
+ struct brw_winsys_buffer **buffers,
+ unsigned count )
+{
+ unsigned tot_size = 0;
+ unsigned i;
+
+ for (i = 0; i < count; i++)
+ tot_size += buffers[i]->size;
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s %d bufs, tot_size: %d kb\n",
+ __FUNCTION__, count,
+ (tot_size + 1023) / 1024);
+
+ return PIPE_OK;
+}
+
+static void *
+xlib_brw_bo_map(struct brw_winsys_buffer *buffer,
+ enum brw_buffer_data_type data_type,
+ unsigned offset,
+ unsigned length,
+ boolean write,
+ boolean discard,
+ boolean explicit)
+{
+ struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s %p %s %s\n", __FUNCTION__, (void *)buffer,
+ write ? "read/write" : "read",
+ write ? data_types[data_type] : "");
+
+ if (write)
+ buf->modified = 1;
+
+ buf->map_count++;
+ return buf->virtual;
+}
+
+
+static void
+xlib_brw_bo_flush_range( struct brw_winsys_buffer *buffer,
+ unsigned offset,
+ unsigned length )
+{
+}
+
+
+static void
+xlib_brw_bo_unmap(struct brw_winsys_buffer *buffer)
+{
+ struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer);
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s %p\n", __FUNCTION__, (void *)buffer);
+
+ --buf->map_count;
+ assert(buf->map_count >= 0);
+
+ if (buf->map_count == 0 &&
+ buf->modified) {
+
+ buf->modified = 0;
+
+ /* Consider dumping new buffer contents here, using the
+ * flush-range info to minimize verbosity.
+ */
+ }
+}
+
+
+static void
+xlib_brw_bo_wait_idle( struct brw_winsys_buffer *buffer )
+{
+}
+
+
+static void
+xlib_brw_winsys_destroy( struct brw_winsys_screen *sws )
+{
+ struct xlib_brw_winsys *xbw = xlib_brw_winsys(sws);
+
+ FREE(xbw);
+}
+
+static struct brw_winsys_screen *
+xlib_create_brw_winsys_screen( void )
+{
+ struct xlib_brw_winsys *ws;
+
+ ws = CALLOC_STRUCT(xlib_brw_winsys);
+ if (!ws)
+ return NULL;
+
+ ws->used = 0;
+
+ ws->base.destroy = xlib_brw_winsys_destroy;
+ ws->base.bo_alloc = xlib_brw_bo_alloc;
+ ws->base.bo_destroy = xlib_brw_bo_destroy;
+ ws->base.bo_emit_reloc = xlib_brw_bo_emit_reloc;
+ ws->base.bo_exec = xlib_brw_bo_exec;
+ ws->base.bo_subdata = xlib_brw_bo_subdata;
+ ws->base.bo_is_busy = xlib_brw_bo_is_busy;
+ ws->base.bo_references = xlib_brw_bo_references;
+ ws->base.check_aperture_space = xlib_brw_check_aperture_space;
+ ws->base.bo_map = xlib_brw_bo_map;
+ ws->base.bo_flush_range = xlib_brw_bo_flush_range;
+ ws->base.bo_unmap = xlib_brw_bo_unmap;
+ ws->base.bo_wait_idle = xlib_brw_bo_wait_idle;
+
+ return &ws->base;
+}
+
+
+/***********************************************************************
+ * Implementation of Xlib co-state-tracker's winsys interface
+ */
+
+static void
+xlib_i965_display_surface(struct xmesa_buffer *xm_buffer,
+ struct pipe_surface *surf)
+{
+ struct brw_surface *surface = brw_surface(surf);
+ struct xlib_brw_buffer *bo = xlib_brw_buffer(surface->bo);
+
+ if (BRW_DEBUG & DEBUG_WINSYS)
+ debug_printf("%s offset %x+%x sz %dx%d\n", __FUNCTION__,
+ bo->offset,
+ surface->draw_offset,
+ surf->width,
+ surf->height);
+}
+
+static void
+xlib_i965_flush_frontbuffer(struct pipe_screen *screen,
+ struct pipe_surface *surf,
+ void *context_private)
+{
+ xlib_i965_display_surface(NULL, surf);
+}
+
+
+static struct pipe_screen *
+xlib_create_i965_screen( void )
+{
+ struct brw_winsys_screen *winsys;
+ struct pipe_screen *screen;
+
+ winsys = xlib_create_brw_winsys_screen();
+ if (winsys == NULL)
+ return NULL;
+
+ screen = brw_create_screen(winsys, PCI_CHIP_GM45_GM);
+ if (screen == NULL)
+ goto fail;
+
+ xlib_brw_winsys(winsys)->chipset = brw_screen(screen)->chipset;
+
+ screen->flush_frontbuffer = xlib_i965_flush_frontbuffer;
+ return screen;
+
+fail:
+ if (winsys)
+ winsys->destroy( winsys );
+
+ return NULL;
+}
+
+
+
+
+
+struct xm_driver xlib_i965_driver =
+{
+ .create_pipe_screen = xlib_create_i965_screen,
+ .display_surface = xlib_i965_display_surface
+};
+
+
+/* Register this driver at library load:
+ */
+static void _init( void ) __attribute__((constructor));
+static void _init( void )
+{
+ xmesa_set_driver( &xlib_i965_driver );
+}
+
+
+
+/***********************************************************************
+ *
+ * Butt-ugly hack to convince the linker not to throw away public GL
+ * symbols (they are all referenced from getprocaddress, I guess).
+ */
+extern void (*linker_foo(const unsigned char *procName))();
+extern void (*glXGetProcAddress(const unsigned char *procName))();
+
+extern void (*linker_foo(const unsigned char *procName))()
+{
+ return glXGetProcAddress(procName);
+}
projects / mesa.git / blobdiff