Added initial multisampling support to glfbdev driver.

Fully implemented glutGameMode, and added vidresize stubs to make
Added support for glutReshapeDisplay to change video mode but not lose
current mesa context.
implementation glut 5 complient.
Fixed many minor bugs
Updated docs

1 files changed, 24 insertions, 29 deletions

diff --git a/src/mesa/drivers/fbdev/glfbdev.c b/src/mesa/drivers/fbdev/glfbdev.c
index 412c09955f8..21b6165bb14 100644
--- a/src/mesa/drivers/fbdev/glfbdev.c
+++ b/src/mesa/drivers/fbdev/glfbdev.c
@@ -281,7 +281,7 @@ glFBDevGetString( int str )
    case GLFBDEV_VENDOR:
       return "Mesa Project";
    case GLFBDEV_VERSION:
-      return "1.0.0";
+      return "1.0.1";
    default:
       return NULL;
    }
@@ -372,6 +372,10 @@ glFBDevCreateVisual( const struct fb_fix_screeninfo *fixInfo,
       case GLFBDEV_LEVEL:
          /* ignored for now */
          break;
+      case GLFBDEV_MULTISAMPLE:
+	 numSamples = attrib[1];
+	 attrib++;
+         break;
       default:
          /* unexpected token */
          _mesa_free(vis);
@@ -420,13 +424,6 @@ glFBDevCreateVisual( const struct fb_fix_screeninfo *fixInfo,
       }
       else {
          _mesa_problem(NULL, "Unsupported fbdev RGB visual/bitdepth!\n");
-         /*
-         printf("fixInfo->visual = 0x%x\n", fixInfo->visual);
-         printf("varInfo->bits_per_pixel = %d\n", varInfo->bits_per_pixel);
-         printf("varInfo->red.offset = %d\n", varInfo->red.offset);
-         printf("varInfo->green.offset = %d\n", varInfo->green.offset);
-         printf("varInfo->blue.offset = %d\n", varInfo->blue.offset);
-         */
          _mesa_free(vis);
          return NULL;
       }
@@ -586,7 +583,6 @@ new_glfbdev_renderbuffer(void *bufferStart, const GLFBDevVisualPtr visual)
    return rb;
 }
 
-
 GLFBDevBufferPtr
 glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
                      const struct fb_var_screeninfo *varInfo,
@@ -600,6 +596,11 @@ glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
    ASSERT(frontBuffer);
    ASSERT(size > 0);
 
+   /* this is to update the visual if there was a resize and the
+      buffer is created again */
+   visual->var = *varInfo;
+   visual->fix = *fixInfo;
+
    if (visual->fix.visual != fixInfo->visual ||
        visual->fix.type != fixInfo->type ||
        visual->var.bits_per_pixel != varInfo->bits_per_pixel ||
@@ -624,7 +625,21 @@ glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
                           &frontrb->Base);
    /* add back renderbuffer */
    if (visual->glvisual.doubleBufferMode) {
+      int malloced = !backBuffer;
+      if (malloced) {
+         /* malloc a back buffer */
+         backBuffer = _mesa_malloc(size);
+         if (!backBuffer) {
+            _mesa_free_framebuffer_data(&buf->glframebuffer);
+            _mesa_free(buf);
+            return NULL;
+         }
+      }
+
       backrb = new_glfbdev_renderbuffer(backBuffer, visual);
+      if(malloced)
+	 backrb->mallocedBuffer = GL_TRUE;
+
       _mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_BACK_LEFT,
                              &backrb->Base);
    }
@@ -637,32 +652,12 @@ glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
                                 GL_FALSE, /* alpha */
                                 GL_FALSE /* aux bufs */);
 
-
-
    buf->fix = *fixInfo;   /* struct assignment */
    buf->var = *varInfo;   /* struct assignment */
    buf->visual = visual;  /* ptr assignment */
    buf->size = size;
    buf->bytesPerPixel = visual->var.bits_per_pixel / 8;
 
-   if (visual->glvisual.doubleBufferMode) {
-      if (!backBuffer) {
-         /* malloc a back buffer */
-         backrb->Base.Data = _mesa_malloc(size);
-         if (!backrb->Base.Data) {
-            _mesa_free_framebuffer_data(&buf->glframebuffer);
-            _mesa_free(buf);
-            return NULL;
-         }
-         backrb->mallocedBuffer = GL_TRUE;
-      }
-   }
-   /* this causes segfault:
-   else {
-      backrb->bottom = NULL;
-      backrb->rowStride = 0;
-      }*/
-
    return buf;
 }