i915: Don't overwrite i915's Viewport function from generic code.

[mesa.git] / src / mesa / drivers / dri / intel / intel_context.c

diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index e6c0d3175e4758ec905365e3612f63c47504c371..6c625b428c0144c5de4eda35e4533bcc510a8aa0 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -317,11 +317,13 @@ intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
    driUpdateFramebufferSize(&intel->ctx, drawable);
 }
 
-static void
+void
 intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
 {
     struct intel_context *intel = intel_context(ctx);
     __DRIcontext *driContext = intel->driContext;
+    void (*old_viewport)(GLcontext *ctx, GLint x, GLint y,
+                        GLsizei w, GLsizei h);
 
     if (!driContext->driScreenPriv->dri2.enabled)
        return;
@@ -330,11 +332,12 @@ intel_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
     if (driContext->driDrawablePriv != driContext->driReadablePriv)
        intel_update_renderbuffers(driContext, driContext->driReadablePriv);
 
+    old_viewport = ctx->Driver.Viewport;
     ctx->Driver.Viewport = NULL;
     intel->driDrawable = driContext->driDrawablePriv;
     intelWindowMoved(intel);
     intel_draw_buffer(ctx, intel->ctx.DrawBuffer);
-    ctx->Driver.Viewport = intel_viewport;
+    ctx->Driver.Viewport = old_viewport;
 }
 
 /**
@@ -398,7 +401,11 @@ static const struct dri_extension brw_extensions[] = {
    { "GL_ARB_point_sprite",              NULL },
    { "GL_ARB_shader_objects",             GL_ARB_shader_objects_functions },
    { "GL_ARB_shading_language_100",       GL_VERSION_2_0_functions },
+#if 0
+   /* Support for GLSL 1.20 is currently broken in core Mesa.
+    */
    { "GL_ARB_shading_language_120",       GL_VERSION_2_1_functions },
+#endif
    { "GL_ARB_shadow",                     NULL },
    { "GL_ARB_texture_non_power_of_two",   NULL },
    { "GL_ARB_vertex_shader",              GL_ARB_vertex_shader_functions },
@@ -540,7 +547,6 @@ intelInitDriverFunctions(struct dd_function_table *functions)
    functions->Finish = intelFinish;
    functions->GetString = intelGetString;
    functions->UpdateState = intelInvalidateState;
-   functions->Viewport = intel_viewport;
 
    functions->CopyColorTable = _swrast_CopyColorTable;
    functions->CopyColorSubTable = _swrast_CopyColorSubTable;
@@ -584,9 +590,6 @@ intelInitContext(struct intel_context *intel,
    intel->driFd = sPriv->fd;
    intel->driHwLock = sPriv->lock;
 
-   intel->width = intelScreen->width;
-   intel->height = intelScreen->height;
-
    driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
                        intel->driScreen->myNum,
                       IS_965(intelScreen->deviceID) ? "i965" : "i915");
@@ -928,38 +931,6 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
                 sarea->ctxOwner, intel->hHWContext);
    }
 
-   if (sarea->width != intel->width || sarea->height != intel->height) {
-       int numClipRects = intel->numClipRects;
-
-       /*
-       * FIXME: Really only need to do this when drawing to a
-       * common back- or front buffer.
-       */
-
-       /*
-       * This will essentially drop the outstanding batchbuffer on
-       * the floor.
-       */
-       intel->numClipRects = 0;
-
-       if (intel->Fallback)
-          _swrast_flush(&intel->ctx);
-
-       if (!IS_965(intel->intelScreen->deviceID))
-          INTEL_FIREVERTICES(intel);
-
-       if (intel->batch->map != intel->batch->ptr)
-          intel_batchbuffer_flush(intel->batch);
-
-       intel->numClipRects = numClipRects;
-
-       /* force window update */
-       intel->lastStamp = 0;
-
-       intel->width = sarea->width;
-       intel->height = sarea->height;
-   }
-
    /* Drawable changed?
     */
    if (dPriv && intel->lastStamp != dPriv->lastStamp) {