1 files changed, 127 insertions, 157 deletions

diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 7ccad8f5dd..598a07bb64 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -30,17 +30,27 @@
  */
 
 #include "utils.h"
+#ifndef __NOT_HAVE_DRM_H
 #include "vblank.h"
+#endif
 #include "xmlpool.h"
 
 #include "dri_screen.h"
 #include "dri_context.h"
 #include "dri_drawable.h"
-
+#include "dri_st_api.h"
+#include "dri1_helper.h"
+#ifndef __NOT_HAVE_DRM_H
+#include "dri1.h"
+#include "dri2.h"
+#else
+#include "drisw.h"
+#endif
+
+#include "util/u_inlines.h"
 #include "pipe/p_screen.h"
 #include "pipe/p_format.h"
 #include "state_tracker/drm_api.h"
-#include "state_tracker/dri1_api.h"
 
 #include "util/u_debug.h"
 
@@ -49,43 +59,13 @@ PUBLIC const char __driConfigOptions[] =
    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_FORCE_S3TC_ENABLE(false) */
    DRI_CONF_ALLOW_LARGE_TEXTURES(1)
    DRI_CONF_SECTION_END DRI_CONF_END;
 
-   const uint __driNConfigOptions = 3;
-
-static const __DRItexBufferExtension dri2TexBufferExtension = {
-    { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
-   dri2_set_tex_buffer,
-   dri2_set_tex_buffer2,
-};
-
-static void
-dri2_flush_drawable(__DRIdrawable *draw)
-{
-}
-
-static const __DRI2flushExtension dri2FlushExtension = {
-    { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
-    dri2_flush_drawable,
-    dri2InvalidateDrawable,
-};
-
-   static const __DRIextension *dri_screen_extensions[] = {
-      &driReadDrawableExtension,
-      &driCopySubBufferExtension.base,
-      &driSwapControlExtension.base,
-      &driFrameTrackingExtension.base,
-      &driMediaStreamCounterExtension.base,
-      &dri2TexBufferExtension.base,
-      &dri2FlushExtension.base,
-      NULL
-   };
-
-struct dri1_api *__dri1_api_hooks = NULL;
+const uint __driNConfigOptions = 3;
 
-static const __DRIconfig **
+const __DRIconfig **
 dri_fill_in_modes(struct dri_screen *screen,
 		  unsigned pixel_bits)
 {
@@ -135,9 +115,7 @@ dri_fill_in_modes(struct dri_screen *screen,
 					     PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
 
    /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
-   if (screen->sPriv->dri2.loader &&
-       (screen->sPriv->dri2.loader->base.version > 2) &&
-       (screen->sPriv->dri2.loader->getBuffersWithFormat != NULL)) {
+   if (dri_with_format(screen->sPriv)) {
       pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
                                              PIPE_TEXTURE_2D,
                                              PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
@@ -229,139 +207,88 @@ dri_fill_in_modes(struct dri_screen *screen,
 }
 
 /**
- * Get information about previous buffer swaps.
+ * Roughly the converse of dri_fill_in_modes.
  */
-static int
-dri_get_swap_info(__DRIdrawable * dPriv, __DRIswapInfo * sInfo)
+void
+dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
+                   const __GLcontextModes *mode)
 {
-   if (dPriv == NULL || dPriv->driverPrivate == NULL || sInfo == NULL)
-      return -1;
-   else
-      return 0;
-}
+   memset(stvis, 0, sizeof(*stvis));
 
-static INLINE void
-dri_copy_version(struct dri1_api_version *dst,
-		 const struct __DRIversionRec *src)
-{
-   dst->major = src->major;
-   dst->minor = src->minor;
-   dst->patch_level = src->patch;
-}
-
-static const __DRIconfig **
-dri_init_screen(__DRIscreen * sPriv)
-{
-   struct dri_screen *screen;
-   const __DRIconfig **configs;
-   struct dri1_create_screen_arg arg;
-
-   screen = CALLOC_STRUCT(dri_screen);
-   if (!screen)
-      return NULL;
+   stvis->samples = mode->samples;
+   stvis->render_buffer = ST_ATTACHMENT_INVALID;
 
-   screen->api = drm_api_create();
-   screen->sPriv = sPriv;
-   screen->fd = sPriv->fd;
-   screen->drmLock = (drmLock *) & sPriv->pSAREA->lock;
-
-   sPriv->private = (void *)screen;
-   sPriv->extensions = dri_screen_extensions;
-
-   arg.base.mode = DRM_CREATE_DRI1;
-   arg.lf = &dri1_lf;
-   arg.ddx_info = sPriv->pDevPriv;
-   arg.ddx_info_size = sPriv->devPrivSize;
-   arg.sarea = sPriv->pSAREA;
-   dri_copy_version(&arg.ddx_version, &sPriv->ddx_version);
-   dri_copy_version(&arg.dri_version, &sPriv->dri_version);
-   dri_copy_version(&arg.drm_version, &sPriv->drm_version);
-   arg.api = NULL;
-
-   screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, &arg.base);
-
-   if (!screen->pipe_screen || !arg.api) {
-      debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__);
-      goto out_no_screen;
+   if (mode->redBits == 8) {
+      if (mode->alphaBits == 8)
+         stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
+      else
+         stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
+   } else {
+      stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
    }
 
-   __dri1_api_hooks = arg.api;
-
-   screen->pipe_screen->flush_frontbuffer = dri1_flush_frontbuffer;
-   driParseOptionInfo(&screen->optionCache,
-		      __driConfigOptions, __driNConfigOptions);
+   switch (mode->depthBits) {
+   default:
+   case 0:
+      stvis->depth_stencil_format = PIPE_FORMAT_NONE;
+      break;
+   case 16:
+      stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
+      break;
+   case 24:
+      if (mode->stencilBits == 0) {
+	 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
+                                          PIPE_FORMAT_Z24X8_UNORM:
+                                          PIPE_FORMAT_X8Z24_UNORM;
+      } else {
+	 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
+                                          PIPE_FORMAT_Z24S8_UNORM:
+                                          PIPE_FORMAT_S8Z24_UNORM;
+      }
+      break;
+   case 32:
+      stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
+      break;
+   }
 
-   /**
-    * FIXME: If the driver supports format conversion swapbuffer blits, we might
-    * want to support other color bit depths than the server is currently
-    * using.
-    */
+   stvis->accum_format = (mode->haveAccumBuffer) ?
+      PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
 
-   configs = dri_fill_in_modes(screen, sPriv->fbBPP);
-   if (!configs)
-      goto out_no_configs;
+   stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
+   if (mode->doubleBufferMode)
+      stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
+   if (mode->stereoMode) {
+      stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
+      if (mode->doubleBufferMode)
+         stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
+   }
 
-   return configs;
- out_no_configs:
-   screen->pipe_screen->destroy(screen->pipe_screen);
- out_no_screen:
-   FREE(screen);
-   return NULL;
+   if (mode->haveDepthBuffer || mode->haveStencilBuffer)
+      stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
+   /* let the state tracker allocate the accum buffer */
 }
 
+#ifndef __NOT_HAVE_DRM_H
+
 /**
- * This is the driver specific part of the createNewScreen entry point.
- *
- * Returns the __GLcontextModes supported by this driver.
+ * Get information about previous buffer swaps.
  */
-static const __DRIconfig **
-dri_init_screen2(__DRIscreen * sPriv)
+static int
+dri_get_swap_info(__DRIdrawable * dPriv, __DRIswapInfo * sInfo)
 {
-   struct dri_screen *screen;
-   struct drm_create_screen_arg arg;
-   const __DRIdri2LoaderExtension *dri2_ext =
-     sPriv->dri2.loader;
-
-   screen = CALLOC_STRUCT(dri_screen);
-   if (!screen)
-      goto fail;
-
-   screen->api = drm_api_create();
-   screen->sPriv = sPriv;
-   screen->fd = sPriv->fd;
-   sPriv->private = (void *)screen;
-   sPriv->extensions = dri_screen_extensions;
-   arg.mode = DRM_CREATE_NORMAL;
-
-   screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, &arg);
-   if (!screen->pipe_screen) {
-      debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
-      goto fail;
-   }
-
-   /* We need to hook in here */
-   screen->pipe_screen->update_buffer = dri_update_buffer;
-   screen->pipe_screen->flush_frontbuffer = dri_flush_frontbuffer;
-
-   driParseOptionInfo(&screen->optionCache,
-		      __driConfigOptions, __driNConfigOptions);
-
-   screen->auto_fake_front = dri2_ext->base.version >= 3 &&
-      dri2_ext->getBuffersWithFormat != NULL;
-
-   return dri_fill_in_modes(screen, 32);
- fail:
-   return NULL;
+   if (dPriv == NULL || dPriv->driverPrivate == NULL || sInfo == NULL)
+      return -1;
+   else
+      return 0;
 }
 
+#endif
+
 static void
-dri_destroy_screen(__DRIscreen * sPriv)
+dri_destroy_option_cache(struct dri_screen * screen)
 {
-   struct dri_screen *screen = dri_screen(sPriv);
    int i;
 
-   screen->pipe_screen->destroy(screen->pipe_screen);
-   
    for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
       FREE(screen->optionCache.info[i].name);
       FREE(screen->optionCache.info[i].ranges);
@@ -369,27 +296,46 @@ dri_destroy_screen(__DRIscreen * sPriv)
 
    FREE(screen->optionCache.info);
    FREE(screen->optionCache.values);
+}
+
+void
+dri_destroy_screen(__DRIscreen * sPriv)
+{
+   struct dri_screen *screen = dri_screen(sPriv);
+
+   dri1_destroy_pipe_context(screen);
+
+   if (screen->smapi)
+      dri_destroy_st_manager(screen->smapi);
+
+   if (screen->pipe_screen)
+      screen->pipe_screen->destroy(screen->pipe_screen);
+
+   dri_destroy_option_cache(screen);
 
    FREE(screen);
    sPriv->private = NULL;
+   sPriv->extensions = NULL;
 }
 
-PUBLIC const struct __DriverAPIRec driDriverAPI = {
-   .InitScreen = dri_init_screen,
+#ifndef __NOT_HAVE_DRM_H
+
+const struct __DriverAPIRec driDriverAPI = {
    .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,
-   .InitScreen = dri_init_screen,
-   .InitScreen2 = dri_init_screen2,
+   .InitScreen2 = dri2_init_screen,
+
+   .InitScreen = dri1_init_screen,
+   .SwapBuffers = dri1_swap_buffers,
+   .CopySubBuffer = dri1_copy_sub_buffer,
 };
 
 /* This is the table of extensions that the loader will dlsym() for. */
@@ -400,4 +346,28 @@ PUBLIC const __DRIextension *__driDriverExtensions[] = {
     NULL
 };
 
+#else
+
+const struct __DriverAPIRec driDriverAPI = {
+   .DestroyScreen = dri_destroy_screen,
+   .CreateContext = dri_create_context,
+   .DestroyContext = dri_destroy_context,
+   .CreateBuffer = dri_create_buffer,
+   .DestroyBuffer = dri_destroy_buffer,
+   .MakeCurrent = dri_make_current,
+   .UnbindContext = dri_unbind_context,
+
+   .InitScreen = drisw_init_screen,
+   .SwapBuffers = drisw_swap_buffers,
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+PUBLIC const __DRIextension *__driDriverExtensions[] = {
+    &driCoreExtension.base,
+    &driSWRastExtension.base,
+    NULL
+};
+
+#endif
+
 /* vim: set sw=3 ts=8 sts=3 expandtab: */