--- /dev/null
+# src/gallium/winsys/xlib/Makefile
+
+# This makefile produces a "stand-alone" libGL.so which is based on
+# Xlib (no DRI HW acceleration)
+
+
+TOP = ../../../../../..
+include $(TOP)/configs/current
+
+
+GL_MAJOR = 1
+GL_MINOR = 5
+GL_TINY = 0$(MESA_MAJOR)0$(MESA_MINOR)0$(MESA_TINY)
+
+
+INCLUDE_DIRS = \
+ -I$(TOP)/include \
+ -I$(TOP)/src/mesa \
+ -I$(TOP)/src/mesa/main \
+ -I$(TOP)/src/gallium/include \
+ -I$(TOP)/src/gallium/drivers \
+ -I$(TOP)/src/gallium/drivers/i965 \
+ -I$(TOP)/src/gallium/drivers/i965/include \
+ -I$(TOP)/src/gallium/state_trackers/glx/xlib \
+ -I$(TOP)/src/gallium/auxiliary \
+ -I/usr/include/drm
+
+XLIB_WINSYS_SOURCES = \
+ xlib_i965.c \
+
+
+
+XLIB_WINSYS_OBJECTS = $(XLIB_WINSYS_SOURCES:.c=.o)
+
+
+
+LIBS = \
+ $(TOP)/src/gallium/drivers/i965/libi965.a \
+ $(TOP)/src/gallium/drivers/trace/libtrace.a \
+ $(TOP)/src/gallium/state_trackers/glx/xlib/libxlib.a \
+ $(TOP)/src/mesa/libglapi.a \
+ $(TOP)/src/mesa/libmesagallium.a \
+ $(GALLIUM_AUXILIARIES)
+
+# $(TOP)/src/gallium/drivers/i965/lib/libi9xx.a \
+
+.SUFFIXES : .cpp
+
+.c.o:
+ $(CC) -c $(INCLUDE_DIRS) $(DEFINES) $(CFLAGS) $< -o $@
+
+.cpp.o:
+ $(CXX) -c $(INCLUDE_DIRS) $(DEFINES) $(CXXFLAGS) $< -o $@
+
+
+
+default: $(TOP)/$(LIB_DIR)/gallium $(TOP)/$(LIB_DIR)/gallium/$(GL_LIB_NAME)
+
+$(TOP)/$(LIB_DIR)/gallium:
+ @ mkdir -p $(TOP)/$(LIB_DIR)/gallium
+
+# Make the libGL.so library
+$(TOP)/$(LIB_DIR)/gallium/$(GL_LIB_NAME): $(XLIB_WINSYS_OBJECTS) $(LIBS) Makefile
+ $(TOP)/bin/mklib -o $(GL_LIB) \
+ -linker "$(CC)" \
+ -major $(GL_MAJOR) -minor $(GL_MINOR) -patch $(GL_TINY) \
+ -install $(TOP)/$(LIB_DIR)/gallium \
+ $(MKLIB_OPTIONS) $(XLIB_WINSYS_OBJECTS) \
+ -Wl,--start-group $(LIBS) -Wl,--end-group $(GL_LIB_DEPS)
+
+
+depend: $(XLIB_WINSYS_SOURCES)
+ @ echo "running $(MKDEP)"
+ @ rm -f depend # workaround oops on gutsy?!?
+ @ touch depend
+ $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) $(XLIB_WINSYS_SOURCES) \
+ > /dev/null 2>/dev/null
+
+
+install: default
+ $(INSTALL) -d $(INSTALL_DIR)/include/GL
+ $(INSTALL) -d $(INSTALL_DIR)/$(LIB_DIR)
+ $(INSTALL) -m 644 $(TOP)/include/GL/*.h $(INSTALL_DIR)/include/GL
+ @if [ -e $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) ]; then \
+ $(MINSTALL) $(TOP)/$(LIB_DIR)/libGL* $(INSTALL_DIR)/$(LIB_DIR); \
+ fi
+
+
+# Emacs tags
+tags:
+ etags `find . -name \*.[ch]` $(TOP)/include/GL/*.h
+
+clean:
+ -rm -f *.o
+
+
+include depend
--- /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_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
+};
+
+