From f9d9574913c5edb92191ac3f5e8d011452427852 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@vmware.com>
Date: Thu, 27 May 2010 00:38:30 +0200
Subject: [PATCH] gallium: Convert state trackers to drm driver interface

---
 .../state_trackers/dri/common/dri_screen.h    |  2 -
 src/gallium/state_trackers/dri/drm/dri2.c     |  5 +--
 src/gallium/state_trackers/dri/sw/drisw.c     |  1 -
 .../state_trackers/egl/kms/native_kms.c       | 41 ++++---------------
 .../state_trackers/egl/kms/native_kms.h       |  2 -
 .../state_trackers/egl/x11/native_dri2.c      | 15 +++----
 .../state_trackers/egl/x11/native_x11.c       | 30 +++++---------
 .../state_trackers/egl/x11/native_x11.h       |  4 +-
 src/gallium/state_trackers/xorg/xorg_crtc.c   |  1 +
 src/gallium/state_trackers/xorg/xorg_dri2.c   |  2 +
 src/gallium/state_trackers/xorg/xorg_driver.c | 27 +++---------
 .../state_trackers/xorg/xorg_tracker.h        |  2 -
 src/gallium/targets/xorg-radeon/Makefile      |  1 +
 13 files changed, 35 insertions(+), 98 deletions(-)

diff --git a/src/gallium/state_trackers/dri/common/dri_screen.h b/src/gallium/state_trackers/dri/common/dri_screen.h
index 9ff925d4bef..087ae8d2a4a 100644
--- a/src/gallium/state_trackers/dri/common/dri_screen.h
+++ b/src/gallium/state_trackers/dri/common/dri_screen.h
@@ -39,7 +39,6 @@
 #include "pipe/p_context.h"
 #include "pipe/p_state.h"
 #include "state_tracker/st_api.h"
-#include "state_tracker/drm_api.h"
 
 struct dri_context;
 struct dri_drawable;
@@ -75,7 +74,6 @@ struct dri_screen
                              enum st_attachment_type statt);
 
    /* gallium */
-   struct drm_api *api;
    boolean d_depth_bits_last;
    boolean sd_depth_bits_last;
    boolean auto_fake_front;
diff --git a/src/gallium/state_trackers/dri/drm/dri2.c b/src/gallium/state_trackers/dri/drm/dri2.c
index f4cc8d77ebd..b3bf21f49b8 100644
--- a/src/gallium/state_trackers/dri/drm/dri2.c
+++ b/src/gallium/state_trackers/dri/drm/dri2.c
@@ -33,7 +33,7 @@
 #include "util/u_inlines.h"
 #include "util/u_format.h"
 #include "util/u_debug.h"
-#include "state_tracker/drm_api.h"
+#include "state_tracker/drm_driver.h"
 
 #include "dri_screen.h"
 #include "dri_context.h"
@@ -508,7 +508,6 @@ dri2_init_screen(__DRIscreen * sPriv)
    if (!screen)
       return NULL;
 
-   screen->api = drm_api_create();
    screen->sPriv = sPriv;
    screen->fd = sPriv->fd;
    screen->lookup_egl_image = dri2_lookup_egl_image;
@@ -518,7 +517,7 @@ dri2_init_screen(__DRIscreen * sPriv)
    sPriv->private = (void *)screen;
    sPriv->extensions = dri_screen_extensions;
 
-   pscreen = screen->api->create_screen(screen->api, screen->fd);
+   pscreen = driver_descriptor.create_screen(screen->fd);
    /* dri_init_screen_helper checks pscreen for us */
 
    configs = dri_init_screen_helper(screen, pscreen, 32);
diff --git a/src/gallium/state_trackers/dri/sw/drisw.c b/src/gallium/state_trackers/dri/sw/drisw.c
index dcf645593fb..23e99aa0add 100644
--- a/src/gallium/state_trackers/dri/sw/drisw.c
+++ b/src/gallium/state_trackers/dri/sw/drisw.c
@@ -255,7 +255,6 @@ drisw_init_screen(__DRIscreen * sPriv)
    if (!screen)
       return NULL;
 
-   screen->api = NULL; /* not needed */
    screen->sPriv = sPriv;
    screen->fd = -1;
    screen->allocate_textures = drisw_allocate_textures;
diff --git a/src/gallium/state_trackers/egl/kms/native_kms.c b/src/gallium/state_trackers/egl/kms/native_kms.c
index bfb4a9d2588..8f667f1ec13 100644
--- a/src/gallium/state_trackers/egl/kms/native_kms.c
+++ b/src/gallium/state_trackers/egl/kms/native_kms.c
@@ -33,6 +33,7 @@
 #include "egllog.h"
 
 #include "native_kms.h"
+#include "state_tracker/drm_driver.h"
 
 static boolean
 kms_surface_validate(struct native_surface *nsurf, uint attachment_mask,
@@ -657,8 +658,6 @@ kms_display_destroy(struct native_display *ndpy)
    if (kdpy->fd >= 0)
       drmClose(kdpy->fd);
 
-   if (kdpy->api && kdpy->api->destroy)
-      kdpy->api->destroy(kdpy->api);
    FREE(kdpy);
 }
 
@@ -674,7 +673,7 @@ kms_display_init_screen(struct native_display *ndpy)
    fd = kdpy->fd;
    if (fd >= 0) {
       drmVersionPtr version = drmGetVersion(fd);
-      if (!version || strcmp(version->name, kdpy->api->driver_name)) {
+      if (!version || strcmp(version->name, driver_descriptor.driver_name)) {
          if (version) {
             _eglLog(_EGL_WARNING, "unknown driver name %s", version->name);
             drmFreeVersion(version);
@@ -689,7 +688,7 @@ kms_display_init_screen(struct native_display *ndpy)
       drmFreeVersion(version);
    }
    else {
-      fd = drmOpen(kdpy->api->driver_name, NULL);
+      fd = drmOpen(driver_descriptor.driver_name, NULL);
    }
 
    if (fd < 0) {
@@ -704,7 +703,7 @@ kms_display_init_screen(struct native_display *ndpy)
    }
 #endif
 
-   kdpy->base.screen = kdpy->api->create_screen(kdpy->api, fd);
+   kdpy->base.screen = driver_descriptor.create_screen(fd);
    if (!kdpy->base.screen) {
       _eglLog(_EGL_WARNING, "failed to create DRM screen");
       drmClose(fd);
@@ -724,8 +723,7 @@ static struct native_display_modeset kms_display_modeset = {
 };
 
 static struct native_display *
-kms_create_display(int fd, struct native_event_handler *event_handler,
-                   struct drm_api *api)
+kms_create_display(int fd, struct native_event_handler *event_handler)
 {
    struct kms_display *kdpy;
 
@@ -734,14 +732,6 @@ kms_create_display(int fd, struct native_event_handler *event_handler,
       return NULL;
 
    kdpy->event_handler = event_handler;
-
-   kdpy->api = api;
-   if (!kdpy->api) {
-      _eglLog(_EGL_WARNING, "failed to create DRM API");
-      FREE(kdpy);
-      return NULL;
-   }
-
    kdpy->fd = fd;
    if (!kms_display_init_screen(&kdpy->base)) {
       kms_display_destroy(&kdpy->base);
@@ -790,21 +780,13 @@ native_get_probe_result(struct native_probe *nprobe)
    return NATIVE_PROBE_UNKNOWN;
 }
 
-/* the api is destroyed with the native display */
-static struct drm_api *drm_api;
-
 const char *
 native_get_name(void)
 {
    static char kms_name[32];
 
-   if (!drm_api)
-      drm_api = drm_api_create();
 
-   if (drm_api)
-      util_snprintf(kms_name, sizeof(kms_name), "KMS/%s", drm_api->name);
-   else
-      util_snprintf(kms_name, sizeof(kms_name), "KMS");
+   util_snprintf(kms_name, sizeof(kms_name), "KMS/%s", driver_descriptor.name);
 
    return kms_name;
 }
@@ -816,15 +798,8 @@ native_create_display(EGLNativeDisplayType dpy,
    struct native_display *ndpy = NULL;
    int fd;
 
-   if (!drm_api)
-      drm_api = drm_api_create();
-
-   if (drm_api) {
-      /* well, this makes fd 0 being ignored */
-      fd = (dpy != EGL_DEFAULT_DISPLAY) ?
-         (int) pointer_to_intptr((void *) dpy) : -1;
-      ndpy = kms_create_display(fd, event_handler, drm_api);
-   }
+   fd = (dpy != EGL_DEFAULT_DISPLAY) ? (int) pointer_to_intptr((void *) dpy) : -1;
+   ndpy = kms_create_display(fd, event_handler);
 
    return ndpy;
 }
diff --git a/src/gallium/state_trackers/egl/kms/native_kms.h b/src/gallium/state_trackers/egl/kms/native_kms.h
index d69c8d38c83..14cf5a641a8 100644
--- a/src/gallium/state_trackers/egl/kms/native_kms.h
+++ b/src/gallium/state_trackers/egl/kms/native_kms.h
@@ -32,7 +32,6 @@
 #include "pipe/p_compiler.h"
 #include "util/u_format.h"
 #include "pipe/p_state.h"
-#include "state_tracker/drm_api.h"
 
 #include "common/native.h"
 #include "common/native_helper.h"
@@ -53,7 +52,6 @@ struct kms_display {
    struct native_event_handler *event_handler;
 
    int fd;
-   struct drm_api *api;
    drmModeResPtr resources;
    struct kms_config *config;
 
diff --git a/src/gallium/state_trackers/egl/x11/native_dri2.c b/src/gallium/state_trackers/egl/x11/native_dri2.c
index 3f802dd713f..0ce7c0be64b 100644
--- a/src/gallium/state_trackers/egl/x11/native_dri2.c
+++ b/src/gallium/state_trackers/egl/x11/native_dri2.c
@@ -32,7 +32,7 @@
 #include "pipe/p_screen.h"
 #include "pipe/p_context.h"
 #include "pipe/p_state.h"
-#include "state_tracker/drm_api.h"
+#include "state_tracker/drm_driver.h"
 #include "egllog.h"
 
 #include "native_x11.h"
@@ -50,7 +50,6 @@ struct dri2_display {
 
    struct native_event_handler *event_handler;
 
-   struct drm_api *api;
    struct x11_screen *xscr;
    int xscr_number;
    const char *dri_driver;
@@ -662,8 +661,6 @@ dri2_display_destroy(struct native_display *ndpy)
       x11_screen_destroy(dri2dpy->xscr);
    if (dri2dpy->own_dpy)
       XCloseDisplay(dri2dpy->dpy);
-   if (dri2dpy->api && dri2dpy->api->destroy)
-      dri2dpy->api->destroy(dri2dpy->api);
    FREE(dri2dpy);
 }
 
@@ -695,7 +692,7 @@ static boolean
 dri2_display_init_screen(struct native_display *ndpy)
 {
    struct dri2_display *dri2dpy = dri2_display(ndpy);
-   const char *driver = dri2dpy->api->name;
+   const char *driver = driver_descriptor.name;
    int fd;
 
    if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) ||
@@ -709,7 +706,7 @@ dri2_display_init_screen(struct native_display *ndpy)
    if (!dri2dpy->dri_driver || !driver ||
        strcmp(dri2dpy->dri_driver, driver) != 0) {
       _eglLog(_EGL_WARNING, "Driver mismatch: %s != %s",
-            dri2dpy->dri_driver, dri2dpy->api->name);
+            dri2dpy->dri_driver, driver);
       return FALSE;
    }
 
@@ -718,7 +715,7 @@ dri2_display_init_screen(struct native_display *ndpy)
    if (fd < 0)
       return FALSE;
 
-   dri2dpy->base.screen = dri2dpy->api->create_screen(dri2dpy->api, fd);
+   dri2dpy->base.screen = driver_descriptor.create_screen(fd);
    if (!dri2dpy->base.screen) {
       _eglLog(_EGL_WARNING, "failed to create DRM screen");
       return FALSE;
@@ -742,8 +739,7 @@ dri2_display_hash_table_compare(void *key1, void *key2)
 
 struct native_display *
 x11_create_dri2_display(EGLNativeDisplayType dpy,
-                        struct native_event_handler *event_handler,
-                        struct drm_api *api)
+                        struct native_event_handler *event_handler)
 {
    struct dri2_display *dri2dpy;
 
@@ -752,7 +748,6 @@ x11_create_dri2_display(EGLNativeDisplayType dpy,
       return NULL;
 
    dri2dpy->event_handler = event_handler;
-   dri2dpy->api = api;
 
    dri2dpy->dpy = dpy;
    if (!dri2dpy->dpy) {
diff --git a/src/gallium/state_trackers/egl/x11/native_x11.c b/src/gallium/state_trackers/egl/x11/native_x11.c
index b6d51bbf9fb..5d71778410b 100644
--- a/src/gallium/state_trackers/egl/x11/native_x11.c
+++ b/src/gallium/state_trackers/egl/x11/native_x11.c
@@ -27,15 +27,14 @@
 #include "util/u_debug.h"
 #include "util/u_memory.h"
 #include "util/u_string.h"
-#include "state_tracker/drm_api.h"
 #include "egllog.h"
 
 #include "native_x11.h"
 #include "x11_screen.h"
 
-#define X11_PROBE_MAGIC 0x11980BE /* "X11PROBE" */
+#include "state_tracker/drm_driver.h"
 
-static struct drm_api *api;
+#define X11_PROBE_MAGIC 0x11980BE /* "X11PROBE" */
 
 static void
 x11_probe_destroy(struct native_probe *nprobe)
@@ -96,15 +95,12 @@ native_get_probe_result(struct native_probe *nprobe)
    if (!nprobe || nprobe->magic != X11_PROBE_MAGIC)
       return NATIVE_PROBE_UNKNOWN;
 
-   if (!api)
-      api = drm_api_create();
-
    /* this is a software driver */
-   if (!api)
+   if (!driver_descriptor.create_screen)
       return NATIVE_PROBE_SUPPORTED;
 
    /* the display does not support DRI2 or the driver mismatches */
-   if (!nprobe->data || strcmp(api->name, (const char *) nprobe->data) != 0)
+   if (!nprobe->data || strcmp(driver_descriptor.name, (const char *) nprobe->data) != 0)
       return NATIVE_PROBE_FALLBACK;
 
    return NATIVE_PROBE_EXACT;
@@ -115,13 +111,7 @@ native_get_name(void)
 {
    static char x11_name[32];
 
-   if (!api)
-      api = drm_api_create();
-
-   if (api)
-      util_snprintf(x11_name, sizeof(x11_name), "X11/%s", api->name);
-   else
-      util_snprintf(x11_name, sizeof(x11_name), "X11");
+   util_snprintf(x11_name, sizeof(x11_name), "X11/%s", driver_descriptor.name);
 
    return x11_name;
 }
@@ -133,12 +123,12 @@ native_create_display(EGLNativeDisplayType dpy,
    struct native_display *ndpy = NULL;
    boolean force_sw;
 
-   if (!api)
-      api = drm_api_create();
-
    force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE);
-   if (api && !force_sw) {
-      ndpy = x11_create_dri2_display(dpy, event_handler, api);
+   if (!driver_descriptor.create_screen)
+      force_sw = TRUE;
+
+   if (!force_sw) {
+      ndpy = x11_create_dri2_display(dpy, event_handler);
    }
 
    if (!ndpy) {
diff --git a/src/gallium/state_trackers/egl/x11/native_x11.h b/src/gallium/state_trackers/egl/x11/native_x11.h
index 1678403b459..e16da935c0b 100644
--- a/src/gallium/state_trackers/egl/x11/native_x11.h
+++ b/src/gallium/state_trackers/egl/x11/native_x11.h
@@ -26,7 +26,6 @@
 #ifndef _NATIVE_X11_H_
 #define _NATIVE_X11_H_
 
-#include "state_tracker/drm_api.h"
 #include "common/native.h"
 
 struct native_display *
@@ -35,7 +34,6 @@ x11_create_ximage_display(EGLNativeDisplayType dpy,
 
 struct native_display *
 x11_create_dri2_display(EGLNativeDisplayType dpy,
-                        struct native_event_handler *event_handler,
-                        struct drm_api *api);
+                        struct native_event_handler *event_handler);
 
 #endif /* _NATIVE_X11_H_ */
diff --git a/src/gallium/state_trackers/xorg/xorg_crtc.c b/src/gallium/state_trackers/xorg/xorg_crtc.c
index f1a07bd863b..627754a0a4f 100644
--- a/src/gallium/state_trackers/xorg/xorg_crtc.c
+++ b/src/gallium/state_trackers/xorg/xorg_crtc.c
@@ -50,6 +50,7 @@
 #include <X11/extensions/dpms.h>
 #endif
 
+#include "state_tracker/drm_driver.h"
 #include "util/u_inlines.h"
 #include "util/u_rect.h"
 
diff --git a/src/gallium/state_trackers/xorg/xorg_dri2.c b/src/gallium/state_trackers/xorg/xorg_dri2.c
index 4e01bd10306..704aed6a82c 100644
--- a/src/gallium/state_trackers/xorg/xorg_dri2.c
+++ b/src/gallium/state_trackers/xorg/xorg_dri2.c
@@ -42,6 +42,8 @@
 
 #include "util/u_format.h"
 
+#include "state_tracker/drm_driver.h"
+
 /* Make all the #if cases in the code esier to read */
 #ifndef DRI2INFOREC_VERSION
 #define DRI2INFOREC_VERSION 1
diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index 6b6e2009fea..9357cd5763f 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -51,6 +51,7 @@
 
 #include <pciaccess.h>
 
+#include "state_tracker/drm_driver.h"
 #include "pipe/p_context.h"
 #include "xorg_tracker.h"
 #include "xorg_winsys.h"
@@ -267,18 +268,12 @@ drv_init_drm(ScrnInfoPtr pScrn)
 	    );
 
 
-	ms->api = drm_api_create();
-	ms->fd = drmOpen(ms->api ? ms->api->driver_name : NULL, BusID);
+	ms->fd = drmOpen(driver_descriptor.driver_name, BusID);
 	xfree(BusID);
 
 	if (ms->fd >= 0)
 	    return TRUE;
 
-	if (ms->api && ms->api->destroy)
-	    ms->api->destroy(ms->api);
-
-	ms->api = NULL;
-
 	return FALSE;
     }
 
@@ -290,10 +285,6 @@ drv_close_drm(ScrnInfoPtr pScrn)
 {
     modesettingPtr ms = modesettingPTR(pScrn);
 
-    if (ms->api && ms->api->destroy)
-	ms->api->destroy(ms->api);
-    ms->api = NULL;
-
     drmClose(ms->fd);
     ms->fd = -1;
 
@@ -314,17 +305,10 @@ drv_init_resource_management(ScrnInfoPtr pScrn)
     if (ms->screen || ms->kms)
 	return TRUE;
 
-    if (ms->api) {
-	ms->screen = ms->api->create_screen(ms->api, ms->fd);
-
-	if (ms->screen)
-	    return TRUE;
+    ms->screen = driver_descriptor.create_screen(ms->fd);
 
-	if (ms->api->destroy)
-	    ms->api->destroy(ms->api);
-
-	ms->api = NULL;
-    }
+    if (ms->screen)
+	return TRUE;
 
 #ifdef HAVE_LIBKMS
     if (!kms_create(ms->fd, &ms->kms))
@@ -430,7 +414,6 @@ drv_pre_init(ScrnInfoPtr pScrn, int flags)
     }
 
     ms->fd = -1;
-    ms->api = NULL;
     if (!drv_init_drm(pScrn))
 	return FALSE;
 
diff --git a/src/gallium/state_trackers/xorg/xorg_tracker.h b/src/gallium/state_trackers/xorg/xorg_tracker.h
index 25da9b1a3bd..cc2d379af15 100644
--- a/src/gallium/state_trackers/xorg/xorg_tracker.h
+++ b/src/gallium/state_trackers/xorg/xorg_tracker.h
@@ -49,7 +49,6 @@
 #include "pipe/p_screen.h"
 #include "util/u_inlines.h"
 #include "util/u_debug.h"
-#include "state_tracker/drm_api.h"
 
 #define DRV_ERROR(msg)	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, msg);
 
@@ -123,7 +122,6 @@ typedef struct _modesettingRec
     struct kms_bo *root_bo;
 
     /* gallium */
-    struct drm_api *api;
     struct pipe_screen *screen;
     struct pipe_context *ctx;
     boolean d_depth_bits_last;
diff --git a/src/gallium/targets/xorg-radeon/Makefile b/src/gallium/targets/xorg-radeon/Makefile
index a4951c4bba0..c438ec48473 100644
--- a/src/gallium/targets/xorg-radeon/Makefile
+++ b/src/gallium/targets/xorg-radeon/Makefile
@@ -4,6 +4,7 @@ include $(TOP)/configs/current
 LIBNAME = radeon_drv.so
 
 C_SOURCES = \
+	radeon_target.c \
 	radeon_xorg.c
 
 DRIVER_DEFINES = \
-- 
2.30.2