/**************************************************************************
*
- * 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
* 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.
#ifndef INTEL_FBO_H
#define INTEL_FBO_H
+#include <stdbool.h>
+#include <assert.h>
+#include "main/formats.h"
+#include "main/macros.h"
+#include "intel_context.h"
+#include "intel_mipmap_tree.h"
+#include "intel_screen.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
struct intel_context;
-struct intel_region;
+struct intel_mipmap_tree;
+struct intel_texture_image;
/**
- * Intel framebuffer, derived from gl_framebuffer.
+ * Intel renderbuffer, derived from gl_renderbuffer.
*/
-struct intel_framebuffer
+struct intel_renderbuffer
{
- struct gl_framebuffer Base;
+ struct swrast_renderbuffer Base;
+ struct intel_mipmap_tree *mt; /**< The renderbuffer storage. */
+
+ /**
+ * \name Miptree view
+ * \{
+ *
+ * Multiple renderbuffers may simultaneously wrap a single texture and each
+ * provide a different view into that texture. The fields below indicate
+ * which miptree slice is wrapped by this renderbuffer. The fields' values
+ * are consistent with the 'level' and 'layer' parameters of
+ * glFramebufferTextureLayer().
+ *
+ * For renderbuffers not created with glFramebufferTexture*(), mt_level and
+ * mt_layer are 0.
+ */
+ unsigned int mt_level;
+ unsigned int mt_layer;
+ /** \} */
- struct intel_renderbuffer *color_rb[3];
+ GLuint draw_x, draw_y; /**< Offset of drawing within the region */
+};
- /* Drawable page flipping state */
- GLboolean pf_active;
- GLuint pf_seq;
- GLint pf_planes;
- GLint pf_current_page;
- GLint pf_num_pages;
- /* VBI
- */
- GLuint vbl_seq;
- GLuint vblank_flags;
- GLuint vbl_waited;
+/**
+ * gl_renderbuffer is a base class which we subclass. The Class field
+ * is used for simple run-time type checking.
+ */
+#define INTEL_RB_CLASS 0x12345678
- int64_t swap_ust;
- int64_t swap_missed_ust;
- GLuint swap_count;
- GLuint swap_missed_count;
-};
+/**
+ * Return a gl_renderbuffer ptr casted to intel_renderbuffer.
+ * 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 *
+intel_renderbuffer(struct gl_renderbuffer *rb)
+{
+ struct intel_renderbuffer *irb = (struct intel_renderbuffer *) rb;
+ if (irb && irb->Base.Base.ClassID == INTEL_RB_CLASS) {
+ /*_mesa_warning(NULL, "Returning non-intel Rb\n");*/
+ return irb;
+ }
+ else
+ return NULL;
+}
/**
- * Intel renderbuffer, derived from gl_renderbuffer.
- * Note: The PairedDepth and PairedStencil fields use renderbuffer IDs,
- * not pointers because in some circumstances a deleted renderbuffer could
- * result in a dangling pointer here.
+ * \brief Return the framebuffer attachment specified by attIndex.
+ *
+ * If the framebuffer lacks the specified attachment, then return null.
+ *
+ * If the attached renderbuffer is a wrapper, then return wrapped
+ * renderbuffer.
*/
-struct intel_renderbuffer
+static inline struct intel_renderbuffer *
+intel_get_renderbuffer(struct gl_framebuffer *fb, gl_buffer_index attIndex)
{
- struct gl_renderbuffer Base;
- struct intel_region *region;
- void *pfMap; /* possibly paged flipped map pointer */
- GLuint pfPitch; /* possibly paged flipped pitch */
- GLboolean RenderToTexture; /* RTT? */
+ struct gl_renderbuffer *rb;
- GLuint PairedDepth; /**< only used if this is a depth renderbuffer */
- GLuint PairedStencil; /**< only used if this is a stencil renderbuffer */
+ assert((unsigned)attIndex < ARRAY_SIZE(fb->Attachment));
- GLuint pf_pending; /**< sequence number of pending flip */
+ rb = fb->Attachment[attIndex].Renderbuffer;
+ if (!rb)
+ return NULL;
- GLuint vbl_pending; /**< vblank sequence number of pending flip */
-};
+ return intel_renderbuffer(rb);
+}
-extern struct intel_renderbuffer *intel_create_renderbuffer(GLenum intFormat,
- GLsizei width,
- GLsizei height,
- int offset,
- int pitch,
- int cpp,
- void *map);
+static inline mesa_format
+intel_rb_format(const struct intel_renderbuffer *rb)
+{
+ return rb->Base.Base.Format;
+}
+extern struct intel_renderbuffer *
+intel_create_renderbuffer(mesa_format format);
-extern void intel_fbo_init(struct intel_context *intel);
+struct intel_renderbuffer *
+intel_create_private_renderbuffer(mesa_format format);
+struct gl_renderbuffer*
+intel_create_wrapped_renderbuffer(struct gl_context * ctx,
+ int width, int height,
+ mesa_format format);
-/* XXX make inline or macro */
-extern struct intel_renderbuffer *intel_get_renderbuffer(struct gl_framebuffer
- *fb,
- GLuint attIndex);
+extern void
+intel_fbo_init(struct intel_context *intel);
-extern void intel_flip_renderbuffers(struct intel_framebuffer *intel_fb);
+extern void
+intel_flip_renderbuffers(struct gl_framebuffer *fb);
-/* XXX make inline or macro */
-extern struct intel_region *intel_get_rb_region(struct gl_framebuffer *fb,
- GLuint attIndex);
+void
+intel_renderbuffer_set_draw_offset(struct intel_renderbuffer *irb);
+static inline uint32_t
+intel_renderbuffer_get_tile_offsets(struct intel_renderbuffer *irb,
+ uint32_t *tile_x,
+ uint32_t *tile_y)
+{
+ return intel_miptree_get_tile_offsets(irb->mt, irb->mt_level, irb->mt_layer,
+ tile_x, tile_y);
+}
+struct intel_region*
+intel_get_rb_region(struct gl_framebuffer *fb, GLuint attIndex);
+#ifdef __cplusplus
+}
+#endif
#endif /* INTEL_FBO_H */
projects / mesa.git / blobdiff