-/**************************************************************************
- *
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+/*
+ * Copyright 2006 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.
- *
- **************************************************************************/
+ */
#ifndef INTEL_FBO_H
#define INTEL_FBO_H
#include <assert.h>
#include "main/formats.h"
#include "main/macros.h"
-#include "intel_context.h"
+#include "brw_context.h"
#include "intel_mipmap_tree.h"
#include "intel_screen.h"
extern "C" {
#endif
-struct intel_context;
struct intel_mipmap_tree;
-struct intel_texture_image;
/**
* Intel renderbuffer, derived from gl_renderbuffer.
struct intel_renderbuffer
{
struct swrast_renderbuffer Base;
- struct intel_mipmap_tree *mt; /**< The renderbuffer storage. */
+ /**
+ * The real renderbuffer storage.
+ *
+ * This is multisampled if NumSamples is > 1.
+ */
+ struct intel_mipmap_tree *mt;
+
+ /**
+ * Downsampled contents for window-system MSAA renderbuffers.
+ *
+ * For window system MSAA color buffers, the singlesample_mt is shared with
+ * other processes in DRI2 (and in DRI3, it's the image buffer managed by
+ * glx_dri3.c), while mt is private to our process. To do a swapbuffers,
+ * we have to downsample out of mt into singlesample_mt. For depth and
+ * stencil buffers, the singlesample_mt is also private, and since we don't
+ * expect to need to do resolves (except if someone does a glReadPixels()
+ * or glCopyTexImage()), we just temporarily allocate singlesample_mt when
+ * asked to map the renderbuffer.
+ */
+ struct intel_mipmap_tree *singlesample_mt;
/**
* \name Miptree view
*
* For renderbuffers not created with glFramebufferTexture*(), mt_level and
* mt_layer are 0.
+ *
+ * Note: for a 2D multisample array texture on Gen7+ using
+ * INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, mt_layer is the physical
+ * layer holding sample 0. So, for example, if mt->num_samples == 4, then
+ * logical layer n corresponds to mt_layer == 4*n.
*/
unsigned int mt_level;
unsigned int mt_layer;
+
+ /* The number of attached logical layers. */
+ unsigned int layer_count;
/** \} */
GLuint draw_x, draw_y; /**< Offset of drawing within the region */
+
+ /**
+ * Set to true at every draw call, to indicate if a window-system
+ * renderbuffer needs to be downsampled before using singlesample_mt.
+ */
+ bool need_downsample;
+
+ /**
+ * Set to true when doing an intel_renderbuffer_map()/unmap() that requires
+ * an upsample at the end.
+ */
+ bool need_map_upsample;
+
+ /**
+ * Set to true if singlesample_mt is temporary storage that persists only
+ * for the duration of a mapping.
+ */
+ bool singlesample_mt_is_tmp;
};
* NULL will be returned if the rb isn't really an intel_renderbuffer.
* This is determined by checking the ClassID.
*/
-static INLINE struct intel_renderbuffer *
+static inline struct intel_renderbuffer *
intel_renderbuffer(struct gl_renderbuffer *rb)
{
struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb;
* If the attached renderbuffer is a wrapper, then return wrapped
* renderbuffer.
*/
-static INLINE struct intel_renderbuffer *
+static inline struct intel_renderbuffer *
intel_get_renderbuffer(struct gl_framebuffer *fb, gl_buffer_index attIndex)
{
struct gl_renderbuffer *rb;
}
-static INLINE gl_format
+static inline mesa_format
intel_rb_format(const struct intel_renderbuffer *rb)
{
return rb->Base.Base.Format;
}
extern struct intel_renderbuffer *
-intel_create_renderbuffer(gl_format format, unsigned num_samples);
+intel_create_renderbuffer(mesa_format format, unsigned num_samples);
struct intel_renderbuffer *
-intel_create_private_renderbuffer(gl_format format, unsigned num_samples);
+intel_create_private_renderbuffer(mesa_format format, unsigned num_samples);
struct gl_renderbuffer*
intel_create_wrapped_renderbuffer(struct gl_context * ctx,
int width, int height,
- gl_format format);
+ mesa_format format);
extern void
-intel_fbo_init(struct intel_context *intel);
+intel_fbo_init(struct brw_context *brw);
void
intel_renderbuffer_set_draw_offset(struct intel_renderbuffer *irb);
tile_x, tile_y);
}
-void
-intel_renderbuffer_set_needs_downsample(struct intel_renderbuffer *irb);
-
bool
intel_renderbuffer_has_hiz(struct intel_renderbuffer *irb);
void
-intel_renderbuffer_set_needs_hiz_resolve(struct intel_renderbuffer *irb);
-
-void
-intel_renderbuffer_set_needs_depth_resolve(struct intel_renderbuffer *irb);
+intel_renderbuffer_att_set_needs_depth_resolve(struct gl_renderbuffer_attachment *att);
/**
* \return false if no resolve was needed
*/
bool
-intel_renderbuffer_resolve_hiz(struct intel_context *intel,
+intel_renderbuffer_resolve_hiz(struct brw_context *brw,
struct intel_renderbuffer *irb);
/**
* \return false if no resolve was needed
*/
bool
-intel_renderbuffer_resolve_depth(struct intel_context *intel,
+intel_renderbuffer_resolve_depth(struct brw_context *brw,
struct intel_renderbuffer *irb);
-void intel_renderbuffer_move_to_temp(struct intel_context *intel,
+void intel_renderbuffer_move_to_temp(struct brw_context *brw,
struct intel_renderbuffer *irb,
bool invalidate);
+void
+intel_renderbuffer_downsample(struct brw_context *brw,
+ struct intel_renderbuffer *irb);
+
+void
+intel_renderbuffer_upsample(struct brw_context *brw,
+ struct intel_renderbuffer *irb);
+
+void brw_render_cache_set_clear(struct brw_context *brw);
+void brw_render_cache_set_add_bo(struct brw_context *brw, drm_intel_bo *bo);
+void brw_render_cache_set_check_flush(struct brw_context *brw, drm_intel_bo *bo);
+
unsigned
intel_quantize_num_samples(struct intel_screen *intel, unsigned num_samples);
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