diff options
Diffstat (limited to 'src/gallium/winsys/drm/i965/xlib/xlib_i965.c')
| -rw-r--r-- | src/gallium/winsys/drm/i965/xlib/xlib_i965.c | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/i965/xlib/xlib_i965.c b/src/gallium/winsys/drm/i965/xlib/xlib_i965.c new file mode 100644 index 0000000000..60ab8e1993 --- /dev/null +++ b/src/gallium/winsys/drm/i965/xlib/xlib_i965.c @@ -0,0 +1,362 @@ +/************************************************************************** + * + * 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_context.h" + +#include "xm_winsys.h" + +#include "i965/brw_winsys.h" +#include "i965/brw_screen.h" +#include "i965/brw_reg.h" + +#define MAX_VRAM (128*1024*1024) + +struct xlib_brw_buffer +{ + struct brw_winsys_buffer base; + unsigned offset; + unsigned type; + char *virtual; + unsigned cheesy_refcount; + int map_count; +}; + + +/** + * Subclass of brw_winsys_screen for Xlib winsys + */ +struct xlib_brw_winsys +{ + struct brw_winsys_screen base; + unsigned offset; +}; + +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", + "state_cache", +}; + +const char *usages[BRW_USAGE_MAX] = { + "state", + "query_result", + "render_target", + "depth_buffer", + "sampler", + "vertex", + "scratch" +}; + +static struct brw_winsys_buffer * +xlib_brw_bo_alloc( struct brw_winsys_screen *sws, + enum brw_buffer_type type, + unsigned size, + unsigned alignment ) +{ + struct xlib_brw_winsys *xbw = xlib_brw_winsys(sws); + struct xlib_brw_buffer *buf; + + debug_printf("%s type %d sz %d align %d\n", + __FUNCTION__, type, size, alignment ); + + buf = CALLOC_STRUCT(xlib_brw_buffer); + if (!buf) + return NULL; + + buf->offset = align(xbw->offset, alignment); + buf->type = type; + buf->virtual = MALLOC(size); + buf->base.offset = &buf->offset; /* hmm, cheesy */ + buf->base.size = size; + + xbw->offset = align(xbw->offset, alignment) + size; + if (xbw->offset > MAX_VRAM) + goto err; + + return &buf->base; + +err: + assert(0); + FREE(buf); + return NULL; +} + +static void +xlib_brw_bo_reference( struct brw_winsys_buffer *buffer ) +{ + struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer); + + buf->cheesy_refcount++; +} + +static void +xlib_brw_bo_unreference( struct brw_winsys_buffer *buffer ) +{ + struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer); + + if (--buf->cheesy_refcount == 0) { + FREE(buffer); + } +} + +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); + + 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 ) +{ + 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, + size_t offset, + size_t size, + const void *data) +{ + struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer); + + debug_printf("%s buf %p off %d sz %d data %p\n", + __FUNCTION__, + (void *)buffer, offset, size, data); + + memcpy(buf->virtual + offset, data, size); + return 0; +} + + +static boolean +xlib_brw_bo_is_busy(struct brw_winsys_buffer *buffer) +{ + 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) +{ + debug_printf("%s %p %p\n", __FUNCTION__, (void *)a, (void *)b); + return TRUE; +} + +static boolean +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; + + debug_printf("%s %d bufs, tot_size: %d kb\n", + __FUNCTION__, count, + (tot_size + 1023) / 1024); + + return TRUE; +} + +static void * +xlib_brw_bo_map(struct brw_winsys_buffer *buffer, + boolean write) +{ + struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer); + + debug_printf("%s %p %s\n", __FUNCTION__, (void *)buffer, + write ? "read/write" : "read"); + + buf->map_count++; + return buf->virtual; +} + +static void +xlib_brw_bo_unmap(struct brw_winsys_buffer *buffer) +{ + struct xlib_brw_buffer *buf = xlib_brw_buffer(buffer); + + debug_printf("%s %p\n", __FUNCTION__, (void *)buffer); + + --buf->map_count; + assert(buf->map_count >= 0); +} + + +static void +xlib_brw_winsys_destroy( struct brw_winsys_screen *screen ) +{ + /* XXX: free all buffers */ + FREE(screen); +} + +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->base.destroy = xlib_brw_winsys_destroy; + ws->base.bo_alloc = xlib_brw_bo_alloc; + ws->base.bo_reference = xlib_brw_bo_reference; + ws->base.bo_unreference = xlib_brw_bo_unreference; + 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_unmap = xlib_brw_bo_unmap; + + return &ws->base; +} + + +/*********************************************************************** + * Implementation of Xlib co-state-tracker's winsys interface + */ + +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; + + return screen; + +fail: + if (winsys) + winsys->destroy( winsys ); + + return NULL; +} + + +static struct pipe_context * +xlib_create_i965_context( struct pipe_screen *screen, + void *context_private ) +{ + struct pipe_context *pipe; + + pipe = brw_create_context(screen); + if (pipe == NULL) + goto fail; + + pipe->priv = context_private; + return pipe; + +fail: + /* Free stuff here */ + return NULL; +} + + +static void +xlib_i965_display_surface(struct xmesa_buffer *xm_buffer, + struct pipe_surface *surf) +{ + /* struct brw_texture *texture = brw_texture(surf->texture); */ + + debug_printf("%s tex %p, sz %dx%d\n", __FUNCTION__, + (void *)surf->texture, + surf->texture->width[0], + surf->texture->height[0]); +} + + +struct xm_driver xlib_i965_driver = +{ + .create_pipe_screen = xlib_create_i965_screen, + .create_pipe_context = xlib_create_i965_context, + .display_surface = xlib_i965_display_surface +}; + + |