/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
-/**
- * Return pointer to current color reading region, or NULL.
- */
-struct intel_region *
-intel_readbuf_region(struct intel_context *intel)
-{
- struct intel_renderbuffer *irb
- = intel_renderbuffer(intel->ctx.ReadBuffer->_ColorReadBuffer);
- if (irb && irb->mt)
- return irb->mt->region;
- else
- return NULL;
-}
-
/**
* Check if we're about to draw into the front color buffer.
* If so, set the intel->front_buffer_dirty field to true.
static void
intelDrawBuffer(struct gl_context * ctx, GLenum mode)
{
- if (ctx->DrawBuffer && _mesa_is_winsys_fbo(ctx->DrawBuffer)) {
+ if (_mesa_is_front_buffer_drawing(ctx->DrawBuffer)) {
struct intel_context *const intel = intel_context(ctx);
- const bool was_front_buffer_rendering =
- intel->is_front_buffer_rendering;
-
- intel->is_front_buffer_rendering = (mode == GL_FRONT_LEFT)
- || (mode == GL_FRONT) || (mode == GL_FRONT_AND_BACK);
- /* If we weren't front-buffer rendering before but we are now,
- * invalidate our DRI drawable so we'll ask for new buffers
+ /* If we might be front-buffer rendering on this buffer for the first
+ * time, invalidate our DRI drawable so we'll ask for new buffers
* (including the fake front) before we start rendering again.
*/
- if (!was_front_buffer_rendering && intel->is_front_buffer_rendering)
- dri2InvalidateDrawable(intel->driContext->driDrawablePriv);
+ dri2InvalidateDrawable(intel->driContext->driDrawablePriv);
}
intel_draw_buffer(ctx);
static void
intelReadBuffer(struct gl_context * ctx, GLenum mode)
{
- if (ctx->DrawBuffer && _mesa_is_winsys_fbo(ctx->DrawBuffer)) {
+ if (_mesa_is_front_buffer_reading(ctx->ReadBuffer)) {
struct intel_context *const intel = intel_context(ctx);
- const bool was_front_buffer_reading =
- intel->is_front_buffer_reading;
-
- intel->is_front_buffer_reading = (mode == GL_FRONT_LEFT)
- || (mode == GL_FRONT);
- /* If we weren't front-buffer reading before but we are now,
- * invalidate our DRI drawable so we'll ask for new buffers
+ /* If we might be front-buffer reading on this buffer for the first
+ * time, invalidate our DRI drawable so we'll ask for new buffers
* (including the fake front) before we start reading again.
*/
- if (!was_front_buffer_reading && intel->is_front_buffer_reading)
- dri2InvalidateDrawable(intel->driContext->driReadablePriv);
+ dri2InvalidateDrawable(intel->driContext->driReadablePriv);
}
}