From: Eric Anholt <anholt@FreeBSD.org>
Date: Mon, 7 Jun 2004 19:13:18 +0000 (+0000)
Subject: Add NEW_INTERFACE bits.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=635ba1565cfbb02fbdd19de72651dbda9bb3c3b3;p=mesa.git

Add NEW_INTERFACE bits.
---

diff --git a/src/mesa/drivers/dri/sis/sis_screen.c b/src/mesa/drivers/dri/sis/sis_screen.c
index df4cc7b2324..e67370f172a 100644
--- a/src/mesa/drivers/dri/sis/sis_screen.c
+++ b/src/mesa/drivers/dri/sis/sis_screen.c
@@ -41,6 +41,10 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "xmlpool.h"
 
+#ifndef _SOLO
+#include "GL/internal/dri_interface.h"
+#endif
+
 const char __driConfigOptions[] =
 DRI_CONF_BEGIN
 	DRI_CONF_SECTION_DEBUG
@@ -54,6 +58,72 @@ DRI_CONF_BEGIN
 DRI_CONF_END;
 static const GLuint __driNConfigOptions = 2;
 
+#ifdef USE_NEW_INTERFACE
+static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
+#endif /* USE_NEW_INTERFACE */
+
+#ifdef USE_NEW_INTERFACE
+static __GLcontextModes *
+sisFillInModes(int bpp)
+{
+   __GLcontextModes *modes;
+   __GLcontextModes *m;
+   unsigned num_modes;
+   unsigned depth_buffer_factor;
+   unsigned back_buffer_factor;
+   GLenum fb_format;
+   GLenum fb_type;
+   static const GLenum back_buffer_modes[] = {
+      GLX_NONE, GLX_SWAP_UNDEFINED_OML
+   };
+   uint8_t depth_bits_array[4];
+   uint8_t stencil_bits_array[4];
+
+   depth_bits_array[0] = 0;
+   stencil_bits_array[0] = 0;
+   depth_bits_array[1] = 16;
+   stencil_bits_array[1] = 0;
+   depth_bits_array[2] = 24;
+   stencil_bits_array[2] = 8;
+   depth_bits_array[3] = 32;
+   stencil_bits_array[3] = 0;
+
+   depth_buffer_factor = 4;
+   back_buffer_factor = 2;
+
+   /* Last 4 is for GLX_TRUE_COLOR & GLX_DIRECT_COLOR, with/without accum */
+   num_modes = depth_buffer_factor * back_buffer_factor * 4;
+
+   if (bpp == 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;
+   }
+
+   modes = (*create_context_modes)(num_modes, sizeof(__GLcontextModes));
+   m = modes;
+   if (!driFillInModes(&m, fb_format, fb_type, depth_bits_array,
+		       stencil_bits_array, depth_buffer_factor,
+		       back_buffer_modes, back_buffer_factor,
+		       GLX_TRUE_COLOR)) {
+      fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, __LINE__);
+      return NULL;
+   }
+
+   if (!driFillInModes(&m, fb_format, fb_type, depth_bits_array,
+		       stencil_bits_array, depth_buffer_factor,
+		       back_buffer_modes, back_buffer_factor,
+		       GLX_DIRECT_COLOR)) {
+      fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, __LINE__);
+      return NULL;
+   }
+
+   return modes;
+}
+#endif /* USE_NEW_INTERFACE */
+
 /* Create the device specific screen private data struct.
  */
 static sisScreenPtr
@@ -62,8 +132,11 @@ sisCreateScreen( __DRIscreenPrivate *sPriv )
    sisScreenPtr sisScreen;
    SISDRIPtr sisDRIPriv = (SISDRIPtr)sPriv->pDevPriv;
 
+#ifndef USE_NEW_INTERFACE
+   /* XXX Should this still be around for the old interface? */
    if ( !driCheckDriDdxDrmVersions( sPriv, "SiS", 4, 0, 0, 1, 1, 0 ) )
       return NULL;
+#endif
 
    /* Allocate the private area */
    sisScreen = (sisScreenPtr)CALLOC( sizeof(*sisScreen) );
@@ -274,12 +347,13 @@ static struct __DriverAPIRec sisAPI = {
  * The __driCreateScreen name is the symbol that libGL.so fetches.
  * Return:  pointer to a __DRIscreenPrivate.
  */
+#if !defined(DRI_NEW_INTERFACE_ONLY)
 #ifndef _SOLO
 void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
                         int numConfigs, __GLXvisualConfig *config)
 {
    __DRIscreenPrivate *psp;
-   psp = __driUtilCreateScreen( dpy, scrn, psc, numConfigs, config, &sisAPI );
+   psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &sisAPI);
    return (void *)psp;
 }
 #else
@@ -288,6 +362,58 @@ void *__driCreateScreen(struct DRIDriverRec *driver,
 {
    __DRIscreenPrivate *psp;
    psp = __driUtilCreateScreen(driver, driverContext, &sisAPI);
-   return (void *) psp;
+   return (void *)psp;
 }
 #endif
+#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 = {0, 1, 0};
+   static const __DRIversion dri_expected = {4, 0, 0};
+   static const __DRIversion drm_expected = {1, 0, 0};
+
+   if (!driCheckDriDdxDrmVersions2("SiS", 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, &sisAPI);
+   if (psp != NULL) {
+      create_context_modes = (PFNGLXCREATECONTEXTMODES)
+	 glXGetProcAddress((const GLubyte *)"__glXCreateContextModes");
+      if (create_context_modes != NULL) {
+	 SISDRIPtr dri_priv = (SISDRIPtr)psp->pDevPriv;
+	 *driver_modes = sisFillInModes(dri_priv->bytesPerPixel * 8);
+      }
+   }
+
+   return (void *)psp;
+}
+#endif /* USE_NEW_INTERFACE */