Mesa (gallium-xlib-rework): dri: sketch of new device-independent glx/ dri state tracker
Keith Whitwell
keithw at kemper.freedesktop.org
Mon Jan 12 11:54:39 UTC 2009
Module: Mesa
Branch: gallium-xlib-rework
Commit: 782eae916d1f02121785448d4ab4759767a46afd
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=782eae916d1f02121785448d4ab4759767a46afd
Author: Keith Whitwell <keith at tungstengraphics.com>
Date: Mon Jan 12 11:51:57 2009 +0000
dri: sketch of new device-independent glx/dri state tracker
---
src/gallium/state_trackers/glx/dri1/dri_context.c | 168 +++++++++++
src/gallium/state_trackers/glx/dri1/dri_context.h | 93 ++++++
src/gallium/state_trackers/glx/dri1/dri_drawable.c | 63 +++++
.../state_trackers/glx/dri1/dri_extensions.c | 108 +++++++
src/gallium/state_trackers/glx/dri1/dri_lock.c | 90 ++++++
src/gallium/state_trackers/glx/dri1/dri_screen.c | 255 +++++++++++++++++
src/gallium/state_trackers/glx/dri1/dri_screen.h | 98 +++++++
.../state_trackers/glx/dri1/dri_swapbuffers.c | 295 ++++++++++++++++++++
.../state_trackers/glx/dri1/dri_swapbuffers.h | 47 +++
9 files changed, 1217 insertions(+), 0 deletions(-)
diff --git a/src/gallium/state_trackers/glx/dri1/dri_context.c b/src/gallium/state_trackers/glx/dri1/dri_context.c
new file mode 100644
index 0000000..9424e18
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_context.c
@@ -0,0 +1,168 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_winsys.h"
+
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+#include "pipe/p_context.h"
+
+#include "util/u_memory.h"
+
+
+GLboolean
+dri_create_context(const __GLcontextModes *visual,
+ __DRIcontextPrivate *cPriv,
+ void *sharedContextPrivate)
+{
+ __DRIscreenPrivate *sPriv = cPriv->driScreenPriv;
+ struct dri_screen *screen = dri_screen(sPriv);
+ struct dri_context *ctx = NULL;
+ struct st_context *st_share = NULL;
+
+ if (sharedContextPrivate) {
+ st_share = ((struct dri_context *) sharedContextPrivate)->st;
+ }
+
+ ctx = CALLOC_STRUCT(dri_context);
+ if (ctx == NULL)
+ goto fail;
+
+ cPriv->driverPrivate = ctx;
+ ctx->cPriv = cPriv;
+ ctx->sPriv = sPriv;
+
+ driParseConfigFiles(&ctx->optionCache,
+ &screen->optionCache,
+ sPriv->myNum,
+ "dri");
+
+ ctx->pipe = screen->pipe_screen->create_context(screen->pipe_screen,
+ screen->pipe_winsys,
+ hw_winsys );
+ if (ctx->pipe == NULL)
+ goto fail;
+
+ ctx->pipe->priv = ctx; /* I guess */
+
+ ctx->st = st_create_context(ctx->pipe, visual, st_share);
+ if (ctx->st == NULL)
+ goto fail;
+
+ dri_init_extensions( ctx );
+
+ return GL_TRUE;
+
+fail:
+ if (ctx && ctx->st)
+ st_destroy_context( ctx->st );
+
+ if (ctx && ctx->pipe)
+ ctx->pipe->destroy( ctx->pipe );
+
+ FREE(ctx);
+ return FALSE;
+}
+
+
+void
+dri_destroy_context(__DRIcontextPrivate *cPriv)
+{
+ struct dri_context *ctx = dri_context(cPriv);
+ struct dri_screen *screen = dri_screen(cPriv->driScreenPriv);
+ struct pipe_winsys *winsys = screen->winsys;
+
+ /* No particular reason to wait for command completion before
+ * destroying a context, but it is probably worthwhile flushing it
+ * to avoid having to add code elsewhere to cope with flushing a
+ * partially destroyed context.
+ */
+ st_flush(ctx->st);
+
+ if (screen->dummyContext == ctx)
+ screen->dummyContext = NULL;
+
+ /* Also frees ctx->pipe?
+ */
+ st_destroy_context(ctx->st);
+
+ FREE(ctx);
+}
+
+
+GLboolean
+dri_unbind_context(__DRIcontextPrivate *cPriv)
+{
+ struct dri_context *ctx = dri_context(cPriv);
+ st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+ /* XXX make_current(NULL)? */
+ return GL_TRUE;
+}
+
+
+GLboolean
+dri_make_current(__DRIcontextPrivate *cPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ __DRIdrawablePrivate *driReadPriv)
+{
+ if (cPriv) {
+ struct dri_context *ctx = dri_context(cPriv);
+ struct dri_screen *screen = dri_screen(cPriv->driScreenPriv);
+ struct dri_drawable *draw = dri_drawable(driDrawPriv);
+ struct dri_drawable *read = dri_drawable(driReadPriv);
+
+ /* This is for situations in which we need a rendering context but
+ * there may not be any currently bound.
+ */
+ screen->dummyContext = ctx;
+
+ st_make_current( ctx->st,
+ draw->stfb,
+ read->stfb );
+
+ ctx->dPriv = driDrawPriv;
+
+ /* Update window sizes if necessary:
+ */
+ if (draw->stamp != driDrawPriv->lastStamp) {
+ dri_update_window_size( draw );
+ }
+
+ if (read->stamp != driReadPriv->lastStamp) {
+ dri_update_window_size( read );
+ }
+
+ }
+ else {
+ st_make_current(NULL, NULL, NULL);
+ }
+
+ return GL_TRUE;
+}
diff --git a/src/gallium/state_trackers/glx/dri1/dri_context.h b/src/gallium/state_trackers/glx/dri1/dri_context.h
new file mode 100644
index 0000000..06b86d6
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_context.h
@@ -0,0 +1,93 @@
+/**************************************************************************
+ *
+ * Copyright (C) 2009 VMware, Inc. 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef DRI_CONTEXT_H
+#define DRI_CONTEXT_H
+
+#include <stdint.h>
+#include "drm.h"
+
+#include "pipe/p_debug.h"
+
+#include "dri_screen.h"
+
+struct pipe_context;
+struct pipe_fence;
+struct st_context;
+
+
+struct dri_context
+{
+ __DRIcontextPrivate *cPriv;
+ __DRIdrawablePrivate *dPriv;
+
+ struct st_context *st;
+ struct pipe_context *pipe;
+
+ boolean locked;
+
+ /**
+ * Configuration cache
+ */
+ driOptionCache optionCache;
+};
+
+
+
+struct dri_drawable
+{
+ __DRIdrawablePrivate *dPriv;
+ unsigned stamp;
+
+ struct pipe_fence *last_swap_fence;
+ struct pipe_fence *first_swap_fence;
+
+ struct st_framebuffer *stfb;
+};
+
+
+static INLINE struct dri_context *
+dri_context(__DRIcontextPrivate *driContextPriv)
+{
+ return (struct dri_context *) driContextPriv->driverPrivate;
+}
+
+static INLINE struct dri_drawable *
+dri_drawable(__DRIdrawablePrivate * driDrawPriv)
+{
+ return (struct dri_drawable *) driDrawPriv->driverPrivate;
+}
+
+/***********************************************************************
+ * dri_lock.c
+ */
+void dri_lock_hardware( struct dri_context *dri, struct dri_drawable *drawable );
+void dri_unlock_hardware( struct dri_context *dri );
+boolean dri_is_locked( struct dri_context *dri );
+
+
+
+#endif
diff --git a/src/gallium/state_trackers/glx/dri1/dri_drawable.c b/src/gallium/state_trackers/glx/dri1/dri_drawable.c
new file mode 100644
index 0000000..7503c40
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_drawable.c
@@ -0,0 +1,63 @@
+
+/**
+ * This is called when we need to set up GL rendering to a new X window.
+ */
+static boolean
+dri_create_buffer(__DRIscreenPrivate *sPriv,
+ __DRIdrawablePrivate *dPriv,
+ const __GLcontextModes *visual,
+ boolean isPixmap)
+{
+ enum pipe_format colorFormat, depthFormat, stencilFormat;
+ struct dri_drawable *drawable;
+
+ if (isPixmap)
+ goto fail; /* not implemented */
+
+ drawable = CALLOC_STRUCT(dri_drawable);
+ if (drawable == NULL)
+ goto fail;
+
+ /* XXX: todo: use the pipe_screen queries to figure out which
+ * render targets are supportable.
+ */
+ if (visual->redBits == 5)
+ colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
+ else
+ colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+ if (visual->depthBits == 16)
+ depthFormat = PIPE_FORMAT_Z16_UNORM;
+ else if (visual->depthBits == 24) {
+ if (visual->stencilBits == 8)
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ depthFormat = PIPE_FORMAT_X8Z24_UNORM;
+ }
+
+ drawable->stfb = st_create_framebuffer(visual,
+ colorFormat,
+ depthFormat,
+ dPriv->w,
+ dPriv->h,
+ (void*) drawable);
+ if (drawable->stfb == NULL)
+ goto fail;
+
+ dPriv->driverPrivate = (void *) drawable;
+ return GL_TRUE;
+
+fail:
+ FREE(drawable);
+ return GL_FALSE;
+}
+
+static void
+dri_destroy_buffer(__DRIdrawablePrivate *dPriv)
+{
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ assert(drawable->stfb);
+ st_unreference_framebuffer(drawable->stfb);
+ FREE(drawable);
+}
+
diff --git a/src/gallium/state_trackers/glx/dri1/dri_extensions.c b/src/gallium/state_trackers/glx/dri1/dri_extensions.c
new file mode 100644
index 0000000..126faf7
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_extensions.c
@@ -0,0 +1,108 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+
+
+
+#define need_GL_ARB_multisample
+#define need_GL_ARB_point_parameters
+#define need_GL_ARB_texture_compression
+#define need_GL_ARB_vertex_buffer_object
+#define need_GL_ARB_vertex_program
+#define need_GL_ARB_window_pos
+#define need_GL_EXT_blend_color
+#define need_GL_EXT_blend_equation_separate
+#define need_GL_EXT_blend_func_separate
+#define need_GL_EXT_blend_minmax
+#define need_GL_EXT_cull_vertex
+#define need_GL_EXT_fog_coord
+#define need_GL_EXT_framebuffer_object
+#define need_GL_EXT_multi_draw_arrays
+#define need_GL_EXT_secondary_color
+#define need_GL_NV_vertex_program
+#include "extension_helper.h"
+
+
+/**
+ * Extension strings exported by the driver.
+ */
+const struct dri_extension card_extensions[] = {
+ {"GL_ARB_multisample", GL_ARB_multisample_functions},
+ {"GL_ARB_multitexture", NULL},
+ {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions},
+ {"GL_ARB_texture_border_clamp", NULL},
+ {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
+ {"GL_ARB_texture_cube_map", NULL},
+ {"GL_ARB_texture_env_add", NULL},
+ {"GL_ARB_texture_env_combine", NULL},
+ {"GL_ARB_texture_env_dot3", NULL},
+ {"GL_ARB_texture_mirrored_repeat", NULL},
+ {"GL_ARB_texture_rectangle", NULL},
+ {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
+ {"GL_ARB_pixel_buffer_object", NULL},
+ {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
+ {"GL_ARB_window_pos", GL_ARB_window_pos_functions},
+ {"GL_EXT_blend_color", GL_EXT_blend_color_functions},
+ {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions},
+ {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
+ {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
+ {"GL_EXT_blend_subtract", NULL},
+ {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions},
+ {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions},
+ {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
+ {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
+ {"GL_EXT_packed_depth_stencil", NULL},
+ {"GL_EXT_pixel_buffer_object", NULL},
+ {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
+ {"GL_EXT_stencil_wrap", NULL},
+ {"GL_EXT_texture_edge_clamp", NULL},
+ {"GL_EXT_texture_env_combine", NULL},
+ {"GL_EXT_texture_env_dot3", NULL},
+ {"GL_EXT_texture_filter_anisotropic", NULL},
+ {"GL_EXT_texture_lod_bias", NULL},
+ {"GL_3DFX_texture_compression_FXT1", NULL},
+ {"GL_APPLE_client_storage", NULL},
+ {"GL_MESA_pack_invert", NULL},
+ {"GL_MESA_ycbcr_texture", NULL},
+ {"GL_NV_blend_square", NULL},
+ {"GL_NV_vertex_program", GL_NV_vertex_program_functions},
+ {"GL_NV_vertex_program1_1", NULL},
+ {"GL_SGIS_generate_mipmap", NULL },
+ {NULL, NULL}
+};
+
+
+
+void
+dri_init_extensions( void )
+{
+ /* The card_extensions list should be pruned according to the
+ * capabilities of the pipe_screen. This is actually something
+ * that can/should be done inside st_create_context().
+ */
+ driInitExtensions( ctx->st->ctx, card_extensions, GL_TRUE );
+}
diff --git a/src/gallium/state_trackers/glx/dri1/dri_lock.c b/src/gallium/state_trackers/glx/dri1/dri_lock.c
new file mode 100644
index 0000000..9d7bd61
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_lock.c
@@ -0,0 +1,90 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_thread.h"
+#include "dri_context.h"
+#include "xf86drm.h"
+
+pipe_static_mutex( lockMutex );
+
+static void
+dri_contended_lock(struct dri_context *ctx)
+{
+ __DRIdrawablePrivate *dPriv = ctx->dPriv;
+ __DRIcontextPrivate *cPriv = ctx->cPriv;
+ __DRIscreenPrivate *sPriv = ctx->sPriv;
+
+ drmGetLock(sPriv->fd, cPriv->hHWContext, 0);
+
+ /* Perform round trip communication with server (including dropping
+ * and retaking the above lock) to update window dimensions:
+ */
+ if (dPriv)
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
+}
+
+
+/* Lock the hardware and validate our state.
+ */
+void dri_lock_hardware( struct dri_context *ctx )
+{
+ __DRIscreenPrivate *sPriv = ctx->sPriv;
+ __DRIcontextPrivate *cPriv = ctx->cPriv;
+ char __ret = 0;
+
+ pipe_mutex_lock(lockMutex);
+ assert(!ctx->locked);
+
+ DRM_CAS((drmLock *) &sPriv->pSAREA->lock,
+ cPriv->hHWContext,
+ (DRM_LOCK_HELD | cPriv->hHWContext),
+ __ret);
+
+ if (__ret)
+ dri_contended_lock( ctx );
+
+ ctx->locked = TRUE;
+}
+
+
+/* Unlock the hardware using the global current context
+ */
+void dri_unlock_hardware( struct dri_context *ctx )
+{
+ __DRIscreenPrivate *sPriv = ctx->sPriv;
+ __DRIcontextPrivate *cPriv = ctx->cPriv;
+
+ assert(ctx->locked);
+ ctx->locked = FALSE;
+
+ DRM_UNLOCK(sPriv->fd,
+ (drmLock *) &sPriv->pSAREA->lock,
+ cPriv->hHWContext);
+
+ pipe_mutex_unlock(lockMutex);
+}
diff --git a/src/gallium/state_trackers/glx/dri1/dri_screen.c b/src/gallium/state_trackers/glx/dri1/dri_screen.c
new file mode 100644
index 0000000..f7119b9
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_screen.c
@@ -0,0 +1,255 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#include "utils.h"
+#include "vblank.h"
+#include "xmlpool.h"
+
+#include "dri_context.h"
+#include "dri_screen.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_inlines.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_cb_fbo.h"
+
+
+PUBLIC const char __driConfigOptions[] =
+ DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
+ DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
+ DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
+ DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
+// DRI_CONF_FORCE_S3TC_ENABLE(false)
+ DRI_CONF_ALLOW_LARGE_TEXTURES(1)
+ DRI_CONF_SECTION_END DRI_CONF_END;
+
+const uint __driNConfigOptions = 3;
+
+static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
+
+extern const struct dri_extension card_extensions[];
+
+
+
+static const __DRIextension *driScreenExtensions[] = {
+ &driReadDrawableExtension,
+ &driCopySubBufferExtension.base,
+ &driSwapControlExtension.base,
+ &driFrameTrackingExtension.base,
+ &driMediaStreamCounterExtension.base,
+ NULL
+};
+
+
+
+
+static const char *
+dri_get_name( struct pipe_winsys *winsys )
+{
+ return "dri";
+}
+
+
+
+static void
+dri_destroy_screen(__DRIscreenPrivate * sPriv)
+{
+ struct dri_screen *screen = dri_screen(sPriv);
+
+ screen->pipe_screen->destroy( screen->pipe_screen );
+ screen->pipe_winsys->destroy( screen->pipe_winsys );
+ FREE(screen);
+ sPriv->private = NULL;
+}
+
+
+/**
+ * Get information about previous buffer swaps.
+ */
+static int
+dri_get_swap_info(__DRIdrawablePrivate * dPriv,
+ __DRIswapInfo * sInfo)
+{
+ if (dPriv == NULL ||
+ dPriv->driverPrivate == NULL ||
+ sInfo == NULL)
+ return -1;
+ else
+ return 0;
+}
+
+static const __DRIconfig **
+dri_fill_in_modes(__DRIscreenPrivate *psp,
+ unsigned pixel_bits )
+{
+ __DRIconfig **configs;
+ __GLcontextModes *m;
+ unsigned num_modes;
+ uint8_t depth_bits_array[3];
+ uint8_t stencil_bits_array[3];
+ uint8_t msaa_samples_array[1];
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ GLenum fb_format;
+ GLenum fb_type;
+ int i;
+
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML
+ };
+
+ depth_bits_array[0] = 0;
+ depth_bits_array[1] = depth_bits;
+ depth_bits_array[2] = depth_bits;
+
+ stencil_bits_array[0] = 0; /* no depth or stencil */
+ stencil_bits_array[1] = 0; /* z24x8 */
+ stencil_bits_array[2] = 8; /* z24s8 */
+
+ msaa_samples_array[0] = 0;
+
+ depth_buffer_factor = 3;
+ back_buffer_factor = 1;
+
+ num_modes = depth_buffer_factor * back_buffer_factor * 4;
+
+ if (pixel_bits == 16) {
+ fb_format = GL_RGB;
+ fb_type = GL_UNSIGNED_SHORT_5_6_5;
+ }
+ else {
+ fb_format = GL_BGRA;
+ fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+ }
+
+ configs = driCreateConfigs(fb_format, fb_type,
+ depth_bits_array,
+ stencil_bits_array, depth_buffer_factor,
+ back_buffer_modes, back_buffer_factor,
+ msaa_samples_array, 1);
+ if (configs == NULL) {
+ debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
+ return NULL;
+ }
+
+ return configs;
+}
+
+
+
+/* This is the driver specific part of the createNewScreen entry point.
+ *
+ * Returns the __GLcontextModes supported by this driver.
+ */
+static const __DRIconfig **dri_init_screen(__DRIscreenPrivate *sPriv)
+{
+ static const __DRIversion ddx_expected = { 1, 6, 0 }; /* hw query */
+ static const __DRIversion dri_expected = { 4, 0, 0 };
+ static const __DRIversion drm_expected = { 1, 5, 0 }; /* hw query */
+ struct dri_screen *screen;
+
+ if (!driCheckDriDdxDrmVersions2("dri",
+ &sPriv->dri_version, &dri_expected,
+ &sPriv->ddx_version, &ddx_expected,
+ &sPriv->drm_version, &drm_expected)) {
+ return NULL;
+ }
+
+ /* Set up dispatch table to cope with all known extensions:
+ */
+ driInitExtensions( NULL, card_extensions, GL_FALSE );
+
+
+ screen = CALLOC_STRUCT(dri_screen);
+ if (!screen)
+ goto fail;
+
+ screen->sPriv = sPriv;
+ sPriv->private = (void *) screen;
+
+
+ /* Search the registered winsys' for one that likes this sPriv.
+ * This is required in situations where multiple devices speak to
+ * the same DDX and are built into the same binary.
+ *
+ * Note that cases like Intel i915 vs i965 doesn't fall into this
+ * category because they are built into separate binaries.
+ *
+ * Nonetheless, it's healthy to keep that level of detail out of
+ * this state_tracker.
+ */
+ for (i = 0;
+ i < dri1_winsys_count &&
+ screen->st_winsys == NULL;
+ i++)
+ {
+ screen->dri_winsys =
+ dri_winsys[i]->check_dri_privates( sPriv->pDevPriv,
+ sPriv->pSAREA
+ /* versions, etc?? */));
+ }
+
+
+ driParseOptionInfo(&screen->optionCache,
+ __driConfigOptions,
+ __driNConfigOptions);
+
+
+ /* Plug our info back into the __DRIscreenPrivate:
+ */
+ sPriv->private = (void *) screen;
+ sPriv->extensions = driScreenExtensions;
+
+ return dri_fill_in_modes(sPriv,
+ dri_priv->cpp * 8,
+ 24,
+ 8,
+ 1);
+fail:
+ return NULL;
+}
+
+
+
+const struct __DriverAPIRec driDriverAPI = {
+ .InitScreen = dri_init_screen,
+ .DestroyScreen = dri_destroy_screen,
+ .CreateContext = dri_create_context,
+ .DestroyContext = dri_destroy_context,
+ .CreateBuffer = dri_create_buffer,
+ .DestroyBuffer = dri_destroy_buffer,
+ .SwapBuffers = dri_swap_buffers,
+ .MakeCurrent = dri_make_current,
+ .UnbindContext = dri_unbind_context,
+ .GetSwapInfo = dri_get_swap_info,
+ .GetDrawableMSC = driDrawableGetMSC32,
+ .WaitForMSC = driWaitForMSC32,
+ .CopySubBuffer = dri_copy_sub_buffer,
+
+ //.InitScreen2 = dri_init_screen2,
+};
diff --git a/src/gallium/state_trackers/glx/dri1/dri_screen.h b/src/gallium/state_trackers/glx/dri1/dri_screen.h
new file mode 100644
index 0000000..8909c92
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_screen.h
@@ -0,0 +1,98 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef DRI_SCREEN_H
+#define DRI_SCREEN_H
+
+#include "dri_util.h"
+#include "xmlconfig.h"
+
+#include "pipe/p_compiler.h"
+
+struct dri_screen
+{
+ __DRIScreenPrivate *sPriv;
+ struct pipe_winsys *pipe_winsys;
+ struct pipe_screen *pipe_screen;
+
+ struct {
+ /* Need a pipe_surface pointer to do client-side swapbuffers:
+ */
+ unsigned long buffer_handle;
+ struct pipe_surface *surface;
+ struct pipe_texture *texture;
+
+ int pitch; /* row stride, in bytes */
+ int width;
+ int height;
+ int size;
+ int cpp; /* for front and back buffers */
+ } front;
+
+ int deviceID;
+ int drmMinor;
+
+
+ /**
+ * Configuration cache with default values for all contexts
+ */
+ driOptionCache optionCache;
+
+ /**
+ * Temporary(?) context to use for SwapBuffers or other situations in
+ * which we need a rendering context, but none is currently bound.
+ */
+ struct dri_context *dummyContext;
+};
+
+
+
+/** cast wrapper */
+static INLINE struct dri_screen *
+dri_screen(__DRIscreenPrivate *sPriv)
+{
+ return (struct dri_screen *) sPriv->private;
+}
+
+
+extern void dri_destroy_context(__DRIcontextPrivate * driContextPriv);
+
+extern boolean dri_unbind_context(__DRIcontextPrivate * driContextPriv);
+
+extern boolean
+dri_make_current(__DRIcontextPrivate * driContextPriv,
+ __DRIdrawablePrivate * driDrawPriv,
+ __DRIdrawablePrivate * driReadPriv);
+
+
+extern boolean
+dri_create_context(const __GLcontextModes * visual,
+ __DRIcontextPrivate * driContextPriv,
+ void *sharedContextPrivate);
+
+
+#endif
diff --git a/src/gallium/state_trackers/glx/dri1/dri_swapbuffers.c b/src/gallium/state_trackers/glx/dri1/dri_swapbuffers.c
new file mode 100644
index 0000000..6b2b930
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_swapbuffers.c
@@ -0,0 +1,295 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_swapbuffers.h"
+
+#include "pipe/p_context.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+#include "state_tracker/st_cb_fbo.h"
+
+
+static void
+blit_swapbuffers(__DRIdrawablePrivate *dPriv,
+ __DRIcontextPrivate *cPriv,
+ struct pipe_surface *src,
+ const drm_clip_rect_t *rect)
+{
+ struct dri_screen *screen = dri_screen(dPriv->driScreenPriv);
+ struct dri_drawable *fb = dri_drawable(dPriv);
+ struct dri_context *context = dri_context(cPriv);
+
+ const int nbox = dPriv->numClipRects;
+ const drm_clip_rect_t *pbox = dPriv->pClipRects;
+
+ struct pipe_surface *dest = fb->front_surface;
+ const int backWidth = fb->stfb->Base.Width;
+ const int backHeight = fb->stfb->Base.Height;
+ int i;
+
+ for (i = 0; i < nbox; i++, pbox++) {
+ drm_clip_rect_t box;
+ drm_clip_rect_t sbox;
+
+ if (pbox->x1 > pbox->x2 ||
+ pbox->y1 > pbox->y2 ||
+ (pbox->x2 - pbox->x1) > dest->width ||
+ (pbox->y2 - pbox->y1) > dest->height)
+ continue;
+
+ box = *pbox;
+
+ if (rect) {
+ drm_clip_rect_t rrect;
+
+ rrect.x1 = dPriv->x + rect->x1;
+ rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y;
+ rrect.x2 = rect->x2 + rrect.x1;
+ rrect.y2 = rect->y2 + rrect.y1;
+ if (rrect.x1 > box.x1)
+ box.x1 = rrect.x1;
+ if (rrect.y1 > box.y1)
+ box.y1 = rrect.y1;
+ if (rrect.x2 < box.x2)
+ box.x2 = rrect.x2;
+ if (rrect.y2 < box.y2)
+ box.y2 = rrect.y2;
+
+ if (box.x1 > box.x2 || box.y1 > box.y2)
+ continue;
+ }
+
+ /* restrict blit to size of actually rendered area */
+ if (box.x2 - box.x1 > backWidth)
+ box.x2 = backWidth + box.x1;
+ if (box.y2 - box.y1 > backHeight)
+ box.y2 = backHeight + box.y1;
+
+ debug_printf("%s: box %d,%d-%d,%d\n", __FUNCTION__,
+ box.x1, box.y1, box.x2, box.y2);
+
+ sbox.x1 = box.x1 - dPriv->x;
+ sbox.y1 = box.y1 - dPriv->y;
+
+ ctx->st->pipe->surface_copy( ctx->st->pipe,
+ FALSE,
+ dest,
+ box.x1, box.y1,
+ src,
+ sbox.x1, sbox.y1,
+ box.x2 - box.x1,
+ box.y2 - box.y1 );
+ }
+}
+
+/**
+ * Display a colorbuffer surface in an X window.
+ * Used for SwapBuffers and flushing front buffer rendering.
+ *
+ * \param dPriv the window/drawable to display into
+ * \param surf the surface to display
+ * \param rect optional subrect of surface to display (may be NULL).
+ */
+void
+dri_display_surface(__DRIdrawablePrivate *dPriv,
+ struct pipe_surface *source,
+ const drm_clip_rect_t *rect)
+{
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct dri_screen *screen = dri_screen(dPriv->driScreenPriv);
+ struct dri_context *context = screen->dummy_context;
+ struct pipe_winsys *winsys = screen->winsys;
+
+ if (!context)
+ return;
+
+ if (drawable->last_swap_fence) {
+ winsys->fence_finish( winsys,
+ drawable->last_swap_fence,
+ 0 );
+
+ winsys->fence_reference( winsys,
+ &drawable->last_swap_fence,
+ NULL );
+ }
+
+ drawable->last_swap_fence = drawable->first_swap_fence;
+ drawable->first_swap_fence = NULL;
+
+ /* The lock_hardware is required for the cliprects. Buffer offsets
+ * should work regardless.
+ */
+ dri_lock_hardware(context, drawable);
+ {
+ if (dPriv->numClipRects) {
+ blit_swapbuffers( context, dPriv, source, rect );
+ }
+ }
+ dri_unlock_hardware(context);
+
+ if (drawble->stamp != drawable->dPriv->lastStamp) {
+ dri_update_window_size( dpriv );
+ }
+}
+
+
+
+/**
+ * This will be called a drawable is known to have moved/resized.
+ */
+void
+dri_update_window_size(__DRIdrawablePrivate *dPriv)
+{
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ st_resize_framebuffer(drawable->stfb, dPriv->w, dPriv->h);
+ drawable->stamp = dPriv->lastStamp;
+}
+
+
+
+void
+dri_swap_buffers(__DRIdrawablePrivate * dPriv)
+{
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct pipe_surface *back_surf;
+
+ assert(drawable);
+ assert(drawable->stfb);
+
+ back_surf = st_get_framebuffer_surface(drawable->stfb,
+ ST_SURFACE_BACK_LEFT);
+ if (back_surf) {
+ st_notify_swapbuffers(drawable->stfb);
+ dri_display_surface(dPriv, back_surf, NULL);
+ st_notify_swapbuffers_complete(drawable->stfb);
+ }
+}
+
+
+/**
+ * Called via glXCopySubBufferMESA() to copy a subrect of the back
+ * buffer to the front buffer/screen.
+ */
+void
+dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
+{
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct pipe_surface *back_surf;
+
+ assert(drawable);
+ assert(drawable->stfb);
+
+ back_surf = st_get_framebuffer_surface(drawable->stfb,
+ ST_SURFACE_BACK_LEFT);
+ if (back_surf) {
+ drm_clip_rect_t rect;
+ rect.x1 = x;
+ rect.y1 = y;
+ rect.x2 = w;
+ rect.y2 = h;
+
+ st_notify_swapbuffers(drawable->stfb);
+ dri_display_surface(dPriv, back_surf, &rect);
+ }
+}
+
+
+
+/*
+ * The state tracker keeps 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
+dri_flush_frontbuffer( struct pipe_winsys *winsys,
+ struct pipe_surface *surf,
+ void *context_private)
+{
+ struct dri_context *dri = (struct dri_context *) context_private;
+ __DRIdrawablePrivate *dPriv = dri->driDrawable;
+
+ dri_display_surface(dPriv, surf, NULL);
+}
+
+
+
+/* Need to create a surface which wraps the front surface to support
+ * client-side swapbuffers.
+ */
+static void
+dri_create_front_surface(struct dri_screen *screen,
+ struct pipe_winsys *winsys,
+ unsigned handle)
+{
+ struct pipe_screen *pipe_screen = screen->pipe_screen;
+ struct pipe_texture *texture;
+ struct pipe_texture templat;
+ struct pipe_surface *surface;
+ struct pipe_buffer *buffer;
+ unsigned pitch;
+
+ assert(screen->front.cpp == 4);
+
+// buffer = dri_buffer_from_handle(screen->winsys,
+// "front", handle);
+
+ if (!buffer)
+ return;
+
+ screen->front.buffer = dri_bo(buffer);
+
+ memset(&templat, 0, sizeof(templat));
+ templat.tex_usage |= PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
+ templat.target = PIPE_TEXTURE_2D;
+ templat.last_level = 0;
+ templat.depth[0] = 1;
+ templat.format = PIPE_FORMAT_A8R8G8B8_UNORM;
+ templat.width[0] = screen->front.width;
+ templat.height[0] = screen->front.height;
+ pf_get_block(templat.format, &templat.block);
+ pitch = screen->front.pitch;
+
+ texture = pipe_screen->texture_blanket(pipe_screen,
+ &templat,
+ &pitch,
+ buffer);
+
+ /* Unref the buffer we don't need it anyways */
+ pipe_buffer_reference(screen, &buffer, NULL);
+
+ surface = pipe_screen->get_tex_surface(pipe_screen,
+ texture,
+ 0,
+ 0,
+ 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+
+ screen->front.texture = texture;
+ screen->front.surface = surface;
+}
diff --git a/src/gallium/state_trackers/glx/dri1/dri_swapbuffers.h b/src/gallium/state_trackers/glx/dri1/dri_swapbuffers.h
new file mode 100644
index 0000000..1b8cd85
--- /dev/null
+++ b/src/gallium/state_trackers/glx/dri1/dri_swapbuffers.h
@@ -0,0 +1,47 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * 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 above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+#ifndef DRI_SWAPBUFFERS_H
+#define DRI_SWAPBUFFERS_H
+
+
+struct pipe_surface;
+
+
+extern void dri_display_surface(__DRIdrawablePrivate * dPriv,
+ struct pipe_surface *surf,
+ const drm_clip_rect_t * rect);
+
+extern void dri_swap_buffers(__DRIdrawablePrivate * dPriv);
+
+extern void dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv,
+ int x, int y, int w, int h);
+
+extern void dri_update_window_size(__DRIdrawablePrivate *dPriv);
+
+
+#endif
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