st/dri: Add hooks for framebuffer functions
authorJakob Bornecrantz <wallbraker@gmail.com>
Sat, 24 Apr 2010 12:36:09 +0000 (13:36 +0100)
committerJakob Bornecrantz <wallbraker@gmail.com>
Sun, 25 Apr 2010 23:40:17 +0000 (00:40 +0100)
src/gallium/state_trackers/dri/common/dri_drawable.c
src/gallium/state_trackers/dri/common/dri_drawable.h
src/gallium/state_trackers/dri/common/dri_screen.h
src/gallium/state_trackers/dri/common/dri_st_api.c
src/gallium/state_trackers/dri/drm/dri1.c
src/gallium/state_trackers/dri/drm/dri1.h
src/gallium/state_trackers/dri/drm/dri2.c
src/gallium/state_trackers/dri/drm/dri2.h
src/gallium/state_trackers/dri/sw/drisw.c
src/gallium/state_trackers/dri/sw/drisw.h

index 88c17e81bfb1dcd5e98bc9ce72d9795b84947d15..6b551ea3f960157bb1dcb73b9e95915ee5943f13 100644 (file)
@@ -90,4 +90,32 @@ dri_destroy_buffer(__DRIdrawable * dPriv)
    FREE(drawable);
 }
 
+/**
+ * Get the format and binding of an attachment.
+ */
+void
+dri_drawable_get_format(struct dri_drawable *drawable,
+                        enum st_attachment_type statt,
+                        enum pipe_format *format,
+                        unsigned *bind)
+{
+   switch (statt) {
+   case ST_ATTACHMENT_FRONT_LEFT:
+   case ST_ATTACHMENT_BACK_LEFT:
+   case ST_ATTACHMENT_FRONT_RIGHT:
+   case ST_ATTACHMENT_BACK_RIGHT:
+      *format = drawable->stvis.color_format;
+      *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+      break;
+   case ST_ATTACHMENT_DEPTH_STENCIL:
+      *format = drawable->stvis.depth_stencil_format;
+      *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
+      break;
+   default:
+      *format = PIPE_FORMAT_NONE;
+      *bind = 0;
+      break;
+   }
+}
+
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
index 315b7781654dd97b68f9f6e1c5b6320d4048e717..dad218bde290fc5996361b1329d3fe3fd7e22653 100644 (file)
@@ -84,6 +84,12 @@ dri_create_buffer(__DRIscreen * sPriv,
 
 void dri_destroy_buffer(__DRIdrawable * dPriv);
 
+void
+dri_drawable_get_format(struct dri_drawable *drawable,
+                        enum st_attachment_type statt,
+                        enum pipe_format *format,
+                        unsigned *bind);
+
 #endif
 
 /* vim: set sw=3 ts=8 sts=3 expandtab: */
index d84ce1bf48e1b893da1312cef319228466009402..6e814af615e8ae931b34587c7d461e1223bc21e3 100644 (file)
@@ -42,6 +42,7 @@
 #include "state_tracker/drm_api.h"
 
 struct dri_context;
+struct dri_drawable;
 
 struct dri_screen
 {
@@ -59,6 +60,12 @@ struct dri_screen
 
    /* hooks filled in by dri1, dri2 & drisw */
    __DRIimage * (*lookup_egl_image)(struct dri_context *ctx, void *handle);
+   void (*allocate_textures)(struct dri_drawable *drawable,
+                             const enum st_attachment_type *statts,
+                             unsigned count);
+   void (*update_drawable_info)(struct dri_drawable *drawable);
+   void (*flush_frontbuffer)(struct dri_drawable *drawable,
+                             enum st_attachment_type statt);
 
    /* gallium */
    struct drm_api *api;
index cbcb149b0a217c3d59d38d1b79074967f00ea2c3..9702acea5c8ba711cc67a21ac7171055fcaf357a 100644 (file)
 #include "dri_context.h"
 #include "dri_drawable.h"
 #include "dri_st_api.h"
-#ifndef __NOT_HAVE_DRM_H
-#include "dri1.h"
-#include "dri2.h"
-#else
-#include "drisw.h"
-#endif
 
 static boolean
 dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
@@ -51,6 +45,7 @@ dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
 {
    struct dri_drawable *drawable =
       (struct dri_drawable *) stfbi->st_manager_private;
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
    unsigned statt_mask, new_mask;
    boolean new_stamp;
    int i;
@@ -70,20 +65,10 @@ dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
    new_stamp = (drawable->texture_stamp != drawable->dPriv->lastStamp);
 
    if (new_stamp || new_mask) {
+      if (new_stamp && screen->update_drawable_info)
+         screen->update_drawable_info(drawable);
 
-#ifndef __NOT_HAVE_DRM_H
-      if (__dri1_api_hooks) {
-         dri1_allocate_textures(drawable, statt_mask);
-      }
-      else {
-         dri2_allocate_textures(drawable, statts, count);
-      }
-#else
-      if (new_stamp)
-         drisw_update_drawable_info(drawable);
-
-      drisw_allocate_textures(drawable, statt_mask);
-#endif
+      screen->allocate_textures(drawable, statts, count);
 
       /* add existing textures */
       for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
@@ -112,17 +97,10 @@ dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
 {
    struct dri_drawable *drawable =
       (struct dri_drawable *) stfbi->st_manager_private;
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
 
-#ifndef __NOT_HAVE_DRM_H
-   if (__dri1_api_hooks) {
-      dri1_flush_frontbuffer(drawable, statt);
-   }
-   else {
-      dri2_flush_frontbuffer(drawable, statt);
-   }
-#else
-   drisw_flush_frontbuffer(drawable, statt);
-#endif
+   /* XXX remove this and just set the correct one on the framebuffer */
+   screen->flush_frontbuffer(drawable, statt);
 
    return TRUE;
 }
index e216e46a87e6db478de3a3eba8125709d6a57900..0be5fb5d8da39c4fd70dd87ecd8853df96a2cc89 100644 (file)
@@ -253,7 +253,7 @@ dri1_copy_to_front(struct dri_context *ctx,
  * Backend functions for st_framebuffer interface and swap_buffers.
  */
 
-void
+static void
 dri1_flush_frontbuffer(struct dri_drawable *draw,
                        enum st_attachment_type statt)
 {
@@ -342,9 +342,10 @@ dri1_copy_sub_buffer(__DRIdrawable * dPriv, int x, int y, int w, int h)
  * as they are requested. Unused attachments are not removed, not until the
  * framebuffer is resized or destroyed.
  */
-void
+static void
 dri1_allocate_textures(struct dri_drawable *drawable,
-                       unsigned mask)
+                       const enum st_attachment_type *statts,
+                       unsigned count)
 {
    struct dri_screen *screen = dri_screen(drawable->sPriv);
    struct pipe_resource templ;
@@ -371,40 +372,24 @@ dri1_allocate_textures(struct dri_drawable *drawable,
    templ.depth0 = 1;
    templ.last_level = 0;
 
-   for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+   for (i = 0; i < count; i++) {
       enum pipe_format format;
-      unsigned tex_usage;
+      unsigned bind;
 
-      /* the texture already exists or not requested */
-      if (drawable->textures[i] || !(mask & (1 << i))) {
+      /* the texture already exists */
+      if (drawable->textures[statts[i]])
          continue;
-      }
 
-      switch (i) {
-      case ST_ATTACHMENT_FRONT_LEFT:
-      case ST_ATTACHMENT_BACK_LEFT:
-      case ST_ATTACHMENT_FRONT_RIGHT:
-      case ST_ATTACHMENT_BACK_RIGHT:
-         format = drawable->stvis.color_format;
-         tex_usage = PIPE_BIND_DISPLAY_TARGET |
-                     PIPE_BIND_RENDER_TARGET;
-         break;
-      case ST_ATTACHMENT_DEPTH_STENCIL:
-         format = drawable->stvis.depth_stencil_format;
-         tex_usage = PIPE_BIND_DEPTH_STENCIL;
-         break;
-      default:
-         format = PIPE_FORMAT_NONE;
-         break;
-      }
+      dri_drawable_get_format(drawable, statts[i], &format, &bind);
+
+      if (format == PIPE_FORMAT_NONE)
+         continue;
 
-      if (format != PIPE_FORMAT_NONE) {
-         templ.format = format;
-         templ.bind = tex_usage;
+      templ.format = format;
+      templ.bind = bind;
 
-         drawable->textures[i] =
-            screen->pipe_screen->resource_create(screen->pipe_screen, &templ);
-      }
+      drawable->textures[statts[i]] =
+         screen->pipe_screen->resource_create(screen->pipe_screen, &templ);
    }
 
    drawable->old_w = width;
@@ -489,6 +474,8 @@ dri1_init_screen(__DRIscreen * sPriv)
    screen->sPriv = sPriv;
    screen->fd = sPriv->fd;
    screen->drmLock = (drmLock *) & sPriv->pSAREA->lock;
+   screen->allocate_textures = dri1_allocate_textures;
+   screen->flush_frontbuffer = dri1_flush_frontbuffer;
 
    sPriv->private = (void *)screen;
    sPriv->extensions = dri1_screen_extensions;
index f7441f98abcc0338c7ea2f701dd390f3f7707348..a50188b3682706b0ff5411b7edfd2887e4789702 100644 (file)
@@ -43,14 +43,6 @@ extern struct dri1_api *__dri1_api_hooks;
 const __DRIconfig **
 dri1_init_screen(__DRIscreen * sPriv);
 
-void
-dri1_flush_frontbuffer(struct dri_drawable *drawable,
-                       enum st_attachment_type statt);
-
-void
-dri1_allocate_textures(struct dri_drawable *drawable,
-                       unsigned mask);
-
 void dri1_swap_buffers(__DRIdrawable * dPriv);
 
 void
index 0bf8c83f21f39def5d4c89091159ae7d4aab8e0c..fa296a874a2a1dd3f81eb13c8f1bb38e1383c1e3 100644 (file)
@@ -346,7 +346,7 @@ dri2_drawable_process_buffers(struct dri_drawable *drawable,
  * Backend functions for st_framebuffer interface.
  */
 
-void
+static void
 dri2_allocate_textures(struct dri_drawable *drawable,
                        const enum st_attachment_type *statts,
                        unsigned count)
@@ -358,7 +358,7 @@ dri2_allocate_textures(struct dri_drawable *drawable,
    dri2_drawable_process_buffers(drawable, buffers, num_buffers);
 }
 
-void
+static void
 dri2_flush_frontbuffer(struct dri_drawable *drawable,
                        enum st_attachment_type statt)
 {
@@ -513,6 +513,8 @@ dri2_init_screen(__DRIscreen * sPriv)
    screen->sPriv = sPriv;
    screen->fd = sPriv->fd;
    screen->lookup_egl_image = dri2_lookup_egl_image;
+   screen->allocate_textures = dri2_allocate_textures;
+   screen->flush_frontbuffer = dri2_flush_frontbuffer;
 
    sPriv->private = (void *)screen;
    sPriv->extensions = dri_screen_extensions;
index 379963431fb84dc2ce436471440e6114c27c0bdd..07adfe4f6c55d59ad5cda810f0381c2204f4a49a 100644 (file)
 const __DRIconfig **
 dri2_init_screen(__DRIscreen * sPriv);
 
-void
-dri2_flush_frontbuffer(struct dri_drawable *drawable,
-                       enum st_attachment_type statt);
-
-void
-dri2_allocate_textures(struct dri_drawable *drawable,
-                       const enum st_attachment_type *statts,
-                       unsigned count);
-
 #endif /* DRI2_H */
index 9edddf01b57f8bf7b9c09ff632e97c88156448ea..a7f16dc69294732321f5cca6d673b56743dd1352 100644 (file)
@@ -70,7 +70,7 @@ put_image(__DRIdrawable *dPriv, void *data, unsigned width, unsigned height)
                     data, dPriv->loaderPrivate);
 }
 
-void
+static void
 drisw_update_drawable_info(struct dri_drawable *drawable)
 {
    __DRIdrawable *dPriv = drawable->dPriv;
@@ -147,7 +147,7 @@ drisw_swap_buffers(__DRIdrawable *dPriv)
    }
 }
 
-void
+static void
 drisw_flush_frontbuffer(struct dri_drawable *drawable,
                         enum st_attachment_type statt)
 {
@@ -175,9 +175,10 @@ drisw_flush_frontbuffer(struct dri_drawable *drawable,
  * seems a better seperation and safer for each DRI version to provide its own
  * function.
  */
-void
+static void
 drisw_allocate_textures(struct dri_drawable *drawable,
-                        unsigned mask)
+                        const enum st_attachment_type *statts,
+                        unsigned count)
 {
    struct dri_screen *screen = dri_screen(drawable->sPriv);
    struct pipe_resource templ;
@@ -206,38 +207,25 @@ drisw_allocate_textures(struct dri_drawable *drawable,
 
    for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
       enum pipe_format format;
-      unsigned tex_usage;
+      unsigned bind;
 
       /* the texture already exists or not requested */
-      if (drawable->textures[i] || !(mask & (1 << i))) {
+      if (drawable->textures[statts[i]])
          continue;
-      }
-
-      switch (i) {
-      case ST_ATTACHMENT_FRONT_LEFT:
-      case ST_ATTACHMENT_BACK_LEFT:
-      case ST_ATTACHMENT_FRONT_RIGHT:
-      case ST_ATTACHMENT_BACK_RIGHT:
-         format = drawable->stvis.color_format;
-         tex_usage = PIPE_BIND_DISPLAY_TARGET |
-                     PIPE_BIND_RENDER_TARGET;
-         break;
-      case ST_ATTACHMENT_DEPTH_STENCIL:
-         format = drawable->stvis.depth_stencil_format;
-         tex_usage = PIPE_BIND_DEPTH_STENCIL;
-         break;
-      default:
-         format = PIPE_FORMAT_NONE;
-         break;
-      }
-
-      if (format != PIPE_FORMAT_NONE) {
-         templ.format = format;
-         templ.bind = tex_usage;
-
-         drawable->textures[i] =
-            screen->pipe_screen->resource_create(screen->pipe_screen, &templ);
-      }
+
+      dri_drawable_get_format(drawable, statts[i], &format, &bind);
+
+      if (statts[i] != ST_ATTACHMENT_DEPTH_STENCIL)
+         bind |= PIPE_BIND_DISPLAY_TARGET;
+
+      if (format == PIPE_FORMAT_NONE)
+         continue;
+
+      templ.format = format;
+      templ.bind = bind;
+
+      drawable->textures[statts[i]] =
+         screen->pipe_screen->resource_create(screen->pipe_screen, &templ);
    }
 
    drawable->old_w = width;
@@ -270,6 +258,9 @@ drisw_init_screen(__DRIscreen * sPriv)
    screen->api = NULL; /* not needed */
    screen->sPriv = sPriv;
    screen->fd = -1;
+   screen->allocate_textures = drisw_allocate_textures;
+   screen->update_drawable_info = drisw_update_drawable_info;
+   screen->flush_frontbuffer = drisw_flush_frontbuffer;
 
    sPriv->private = (void *)screen;
    sPriv->extensions = drisw_screen_extensions;
index c0c874f7326a7229a902e8eb240253d3b0f60fa1..6c6c891f356c9f03dcb40f43d93dfd58cf66ce3f 100644 (file)
 const __DRIconfig **
 drisw_init_screen(__DRIscreen * sPriv);
 
-void
-drisw_update_drawable_info(struct dri_drawable *drawable);
-
-void
-drisw_flush_frontbuffer(struct dri_drawable *drawable,
-                        enum st_attachment_type statt);
-
-void
-drisw_allocate_textures(struct dri_drawable *drawable,
-                        unsigned mask);
-
 void drisw_swap_buffers(__DRIdrawable * dPriv);
 
 #endif /* DRISW_H */