mesa: remove last of _mesa_unreference_framebuffer() calls
[mesa.git] / src / mesa / drivers / dri / i810 / i810screen.c
index 27a2c7cba7f23596629cdff61d849ef665dbc2aa..6e49f3466c3ccea78b6aa50c9f81621fdcef6a48 100644 (file)
@@ -24,7 +24,6 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 **************************************************************************/
-/* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810screen.c,v 1.2 2002/10/30 12:51:33 alanh Exp $ */
 
 /*
  * Authors:
@@ -33,11 +32,14 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "matrix.h"
-#include "simple_list.h"
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/framebuffer.h"
+#include "main/fbobject.h"
+#include "main/matrix.h"
+#include "main/renderbuffer.h"
+#include "main/simple_list.h"
 #include "utils.h"
 
 #include "i810screen.h"
@@ -51,83 +53,15 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "GL/internal/dri_interface.h"
 
-#ifdef USE_NEW_INTERFACE
-static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
-#endif /* USE_NEW_INTERFACE */
-
-#ifdef USE_NEW_INTERFACE
-static __GLcontextModes *fill_in_modes( __GLcontextModes *modes,
-                                      unsigned pixel_bits,
-                                      unsigned depth_bits,
-                                      unsigned stencil_bits,
-                                      const GLenum * db_modes,
-                                      unsigned num_db_modes,
-                                      int visType )
-{
-    static const u_int8_t bits[1][4] = {
-       {          5,          6,          5,          0 }
-    };
+extern const struct dri_extension card_extensions[];
 
-    static const u_int32_t masks[1][4] = {
-       { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }
-    };
-
-    unsigned   i;
-    unsigned   j;
-    const unsigned index = 0;
-
-    for ( i = 0 ; i < num_db_modes ; i++ ) {
-       for ( j = 0 ; j < 2 ; j++ ) {
-
-           modes->redBits   = bits[index][0];
-           modes->greenBits = bits[index][1];
-           modes->blueBits  = bits[index][2];
-           modes->alphaBits = bits[index][3];
-           modes->redMask   = masks[index][0];
-           modes->greenMask = masks[index][1];
-           modes->blueMask  = masks[index][2];
-           modes->alphaMask = masks[index][3];
-           modes->rgbBits   = modes->redBits + modes->greenBits
-               + modes->blueBits + modes->alphaBits;
-
-           modes->accumRedBits   = 16 * j;
-           modes->accumGreenBits = 16 * j;
-           modes->accumBlueBits  = 16 * j;
-           modes->accumAlphaBits = (masks[index][3] != 0) ? 16 * j : 0;
-           modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG;
-
-           modes->stencilBits = stencil_bits;
-           modes->depthBits = depth_bits;
-
-           modes->visualType = visType;
-           modes->renderType = GLX_RGBA_BIT;
-           modes->drawableType = GLX_WINDOW_BIT;
-           modes->rgbMode = GL_TRUE;
-
-           if ( db_modes[i] == GLX_NONE ) {
-               modes->doubleBufferMode = GL_FALSE;
-           }
-           else {
-               modes->doubleBufferMode = GL_TRUE;
-               modes->swapMethod = db_modes[i];
-           }
-
-           modes = modes->next;
-       }
-    }
-
-    return modes;
-
-}
-#endif /* USE_NEW_INTERFACE */
-
-#ifdef USE_NEW_INTERFACE
-static __GLcontextModes *
-i810FillInModes( unsigned pixel_bits, unsigned depth_bits,
+static const __DRIconfig **
+i810FillInModes( __DRIscreenPrivate *psp,
+                unsigned pixel_bits, unsigned depth_bits,
                 unsigned stencil_bits, GLboolean have_back_buffer )
-{    __GLcontextModes * modes;
+{
+    __DRIconfig **configs;
     __GLcontextModes * m;
-    unsigned num_modes;
     unsigned depth_buffer_factor;
     unsigned back_buffer_factor;
     unsigned i;
@@ -141,53 +75,47 @@ i810FillInModes( unsigned pixel_bits, unsigned depth_bits,
        GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
     };
 
-    int depth_buffer_modes[2][2];
+    uint8_t depth_bits_array[2];
+    uint8_t stencil_bits_array[2];
+    uint8_t msaa_samples_array[1];
 
-
-    depth_buffer_modes[0][0] = depth_bits;
-    depth_buffer_modes[1][0] = depth_bits;
+    depth_bits_array[0] = depth_bits;
+    depth_bits_array[1] = depth_bits;
 
     /* Just like with the accumulation buffer, always provide some modes
      * with a stencil buffer.  It will be a sw fallback, but some apps won't
      * care about that.
      */
-    depth_buffer_modes[0][1] = 0;
-    depth_buffer_modes[1][1] = (stencil_bits == 0) ? 8 : stencil_bits;
+    stencil_bits_array[0] = 0;
+    stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+    msaa_samples_array[0] = 0;
 
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 
-    num_modes = depth_buffer_factor * back_buffer_factor * 4;
-
-    modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) );
-    m = modes;
-    for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
-       m = fill_in_modes( m, pixel_bits,
-                          depth_buffer_modes[i][0], depth_buffer_modes[i][1],
-                          back_buffer_modes, back_buffer_factor,
-                          GLX_TRUE_COLOR );
-    }
-
-    for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
-       m = fill_in_modes( m, pixel_bits,
-                          depth_buffer_modes[i][0], depth_buffer_modes[i][1],
-                          back_buffer_modes, back_buffer_factor,
-                          GLX_DIRECT_COLOR );
+    configs = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
+                              depth_bits_array, stencil_bits_array,
+                              depth_buffer_factor,
+                              back_buffer_modes, back_buffer_factor,
+                               msaa_samples_array, 1);
+    if (configs == NULL) {
+       fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+                __func__, __LINE__ );
+       return NULL;
     }
 
     /* Mark the visual as slow if there are "fake" stencil bits.
      */
-    for ( m = modes ; m != NULL ; m = m->next ) {
-       if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
+    for (i = 0; configs[i]; i++) {
+       m = &configs[i]->modes;
+       if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
            m->visualRating = GLX_SLOW_CONFIG;
        }
     }
 
-    return modes;
-
+    return (const __DRIconfig **) configs;
 }
-#endif /* USE_NEW_INTERFACE */
-
 
      
 /*  static int i810_malloc_proxy_buf(drmBufMapPtr buffers) */
@@ -222,12 +150,28 @@ static drmBufMapPtr i810_create_empty_buffers(void)
 }
 
 
-static GLboolean
-i810InitDriver(__DRIscreenPrivate *sPriv)
+static const __DRIconfig **
+i810InitScreen(__DRIscreen *sPriv)
 {
+   static const __DRIversion ddx_expected = { 1, 0, 0 };
+   static const __DRIversion dri_expected = { 4, 0, 0 };
+   static const __DRIversion drm_expected = { 1, 2, 0 };
    i810ScreenPrivate *i810Screen;
    I810DRIPtr         gDRIPriv = (I810DRIPtr)sPriv->pDevPriv;
 
+   if ( ! driCheckDriDdxDrmVersions2( "i810",
+                                     &sPriv->dri_version, & dri_expected,
+                                     &sPriv->ddx_version, & ddx_expected,
+                                     &sPriv->drm_version, & drm_expected ) ) {
+      return NULL;
+   }
+
+   driInitExtensions( NULL, card_extensions, GL_TRUE );
+
+   if (sPriv->devPrivSize != sizeof(I810DRIRec)) {
+      fprintf(stderr,"\nERROR!  sizeof(I810DRIRec) does not match passed size from device driver\n");
+      return GL_FALSE;
+   }
 
    /* Allocate the private area */
    i810Screen = (i810ScreenPrivate *)CALLOC(sizeof(i810ScreenPrivate));
@@ -287,8 +231,8 @@ i810InitDriver(__DRIscreenPrivate *sPriv)
              i810Screen->depth.handle,
              i810Screen->depth.size,
              (drmAddress *)&i810Screen->depth.map) != 0) {
-      FREE(i810Screen);
       drmUnmap(i810Screen->back.map, i810Screen->back.size);
+      FREE(i810Screen);
       sPriv->private = NULL;
       __driUtilMessage("i810InitDriver: drmMap (2) failed");
       return GL_FALSE;
@@ -301,9 +245,9 @@ i810InitDriver(__DRIscreenPrivate *sPriv)
              i810Screen->tex.handle,
              i810Screen->tex.size,
              (drmAddress *)&i810Screen->tex.map) != 0) {
-      FREE(i810Screen);
       drmUnmap(i810Screen->back.map, i810Screen->back.size);
       drmUnmap(i810Screen->depth.map, i810Screen->depth.size);
+      FREE(i810Screen);
       sPriv->private = NULL;
       __driUtilMessage("i810InitDriver: drmMap (3) failed");
       return GL_FALSE;
@@ -311,7 +255,7 @@ i810InitDriver(__DRIscreenPrivate *sPriv)
 
    i810Screen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
 
-   return GL_TRUE;
+   return i810FillInModes(sPriv, 16, 16, 0, 1);
 }
 
 static void
@@ -330,22 +274,65 @@ i810DestroyScreen(__DRIscreenPrivate *sPriv)
 }
 
 
+/**
+ * Create a buffer which corresponds to the window.
+ */
 static GLboolean
 i810CreateBuffer( __DRIscreenPrivate *driScrnPriv,
                   __DRIdrawablePrivate *driDrawPriv,
                   const __GLcontextModes *mesaVis,
                   GLboolean isPixmap )
 {
+   i810ScreenPrivate *screen = (i810ScreenPrivate *) driScrnPriv->private;
+
    if (isPixmap) {
       return GL_FALSE; /* not implemented */
    }
    else {
-      driDrawPriv->driverPrivate = (void *)
-         _mesa_create_framebuffer(mesaVis,
-                                  GL_FALSE,  /* software depth buffer? */
-                                  mesaVis->stencilBits > 0,
-                                  mesaVis->accumRedBits > 0,
-                                  GL_FALSE /* s/w alpha planes */);
+      struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
+
+      {
+         driRenderbuffer *frontRb
+            = driNewRenderbuffer(GL_RGBA,
+                                 driScrnPriv->pFB,
+                                 screen->cpp,
+                                 /*screen->frontOffset*/0, screen->backPitch,
+                                 driDrawPriv);
+         i810SetSpanFunctions(frontRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
+      }
+
+      if (mesaVis->doubleBufferMode) {
+         driRenderbuffer *backRb
+            = driNewRenderbuffer(GL_RGBA,
+                                 screen->back.map,
+                                 screen->cpp,
+                                 screen->backOffset, screen->backPitch,
+                                 driDrawPriv);
+         i810SetSpanFunctions(backRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
+      }
+
+      if (mesaVis->depthBits == 16) {
+         driRenderbuffer *depthRb
+            = driNewRenderbuffer(GL_DEPTH_COMPONENT16,
+                                 screen->depth.map,
+                                 screen->cpp,
+                                 screen->depthOffset, screen->backPitch,
+                                 driDrawPriv);
+         i810SetSpanFunctions(depthRb, mesaVis);
+         _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+      }
+
+      _mesa_add_soft_renderbuffers(fb,
+                                   GL_FALSE, /* color */
+                                   GL_FALSE, /* depth */
+                                   mesaVis->stencilBits > 0,
+                                   mesaVis->accumRedBits > 0,
+                                   GL_FALSE, /* alpha */
+                                   GL_FALSE /* aux */);
+      driDrawPriv->driverPrivate = (void *) fb;
+
       return (driDrawPriv->driverPrivate != NULL);
    }
 }
@@ -354,12 +341,11 @@ i810CreateBuffer( __DRIscreenPrivate *driScrnPriv,
 static void
 i810DestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
 {
-   _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+   _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL);
 }
 
-
-static const struct __DriverAPIRec i810API = {
-   .InitDriver      = i810InitDriver,
+const struct __DriverAPIRec driDriverAPI = {
+   .InitScreen      = i810InitScreen,
    .DestroyScreen   = i810DestroyScreen,
    .CreateContext   = i810CreateContext,
    .DestroyContext  = i810DestroyContext,
@@ -369,76 +355,8 @@ static const struct __DriverAPIRec i810API = {
    .MakeCurrent     = i810MakeCurrent,
    .UnbindContext   = i810UnbindContext,
    .GetSwapInfo     = NULL,
-   .GetMSC          = NULL,
+   .GetDrawableMSC  = NULL,
    .WaitForMSC      = NULL,
    .WaitForSBC      = NULL,
    .SwapBuffersMSC  = NULL
 };
-
-
-/*
- * This is the bootstrap function for the driver.
- * The __driCreateScreen name is the symbol that libGL.so fetches.
- * Return:  pointer to a __DRIscreenPrivate.
- */
-#if !defined(DRI_NEW_INTERFACE_ONLY)
-void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
-                        int numConfigs, __GLXvisualConfig *config)
-{
-   __DRIscreenPrivate *psp;
-   psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &i810API);
-   return (void *) psp;
-}
-#endif /* !defined(DRI_NEW_INTERFACE_ONLY) */
-
-/**
- * This is the bootstrap function for the driver.  libGL supplies all of the
- * requisite information about the system, and the driver initializes itself.
- * This routine also fills in the linked list pointed to by \c driver_modes
- * with the \c __GLcontextModes that the driver can support for windows or
- * pbuffers.
- *
- * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on 
- *         failure.
- */
-#ifdef USE_NEW_INTERFACE
-void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
-                            const __GLcontextModes * modes,
-                            const __DRIversion * ddx_version,
-                            const __DRIversion * dri_version,
-                            const __DRIversion * drm_version,
-                            const __DRIframebuffer * frame_buffer,
-                            drmAddress pSAREA, int fd,
-                            int internal_api_version,
-                            __GLcontextModes ** driver_modes )
-
-{
-   __DRIscreenPrivate *psp;
-   static const __DRIversion ddx_expected = { 1, 0, 0 };
-   static const __DRIversion dri_expected = { 4, 0, 0 };
-   static const __DRIversion drm_expected = { 1, 2, 0 };
-
-   if ( ! driCheckDriDdxDrmVersions2( "i810",
-                                     dri_version, & dri_expected,
-                                     ddx_version, & ddx_expected,
-                                     drm_version, & drm_expected ) ) {
-      return NULL;
-   }
-
-   psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
-                                 ddx_version, dri_version, drm_version,
-                                 frame_buffer, pSAREA, fd,
-                                 internal_api_version, &i810API);
-   if ( psp != NULL ) {
-      create_context_modes = (PFNGLXCREATECONTEXTMODES)
-         glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
-      if ( create_context_modes != NULL ) {
-        *driver_modes = i810FillInModes( 16,
-                                         16, 0,
-                                         1);
-      }
-   }
-
-   return (void *) psp;
-}
-#endif /* USE_NEW_INTERFACE */