-/**************************************************************************
- *
- * 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
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
+ * distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* 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
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * 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 "intel_context.h"
+#include "brw_context.h"
#include "intel_buffers.h"
#include "intel_fbo.h"
#include "intel_mipmap_tree.h"
#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.
- */
-void
-intel_check_front_buffer_rendering(struct intel_context *intel)
-{
- const struct gl_framebuffer *fb = intel->ctx.DrawBuffer;
- if (_mesa_is_winsys_fbo(fb)) {
- /* drawing to window system buffer */
- if (fb->_NumColorDrawBuffers > 0) {
- if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
- intel->front_buffer_dirty = true;
- }
- }
- }
-}
-
static void
intelDrawBuffer(struct gl_context * ctx, GLenum mode)
{
- if (ctx->DrawBuffer && _mesa_is_winsys_fbo(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 (_mesa_is_front_buffer_drawing(ctx->DrawBuffer)) {
+ struct brw_context *const brw = brw_context(ctx);
- /* 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(brw->driContext->driDrawablePriv);
+ intel_prepare_render(brw);
}
}
static void
intelReadBuffer(struct gl_context * ctx, GLenum mode)
{
- if (ctx->DrawBuffer && _mesa_is_winsys_fbo(ctx->DrawBuffer)) {
- 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 (_mesa_is_front_buffer_reading(ctx->ReadBuffer)) {
+ struct brw_context *const brw = brw_context(ctx);
- /* 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(brw->driContext->driReadablePriv);
+ intel_prepare_render(brw);
}
}