/*
* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2007-2008 Red Hat, Inc.
* (C) Copyright IBM Corporation 2004
* All Rights Reserved.
*
*
* \author Kevin E. Martin <kevin@precisioninsight.com>
* \author Ian Romanick <idr@us.ibm.com>
+ * \author Kristian Høgsberg <krh@redhat.com>
*/
#ifndef DRI_INTERFACE_H
#define DRI_INTERFACE_H
-#include <GL/internal/glcore.h>
+/* For archs with no drm.h */
+#if defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__)
+#ifndef __NOT_HAVE_DRM_H
+#define __NOT_HAVE_DRM_H
+#endif
+#endif
+
+#ifndef __NOT_HAVE_DRM_H
#include <drm.h>
+#else
+typedef unsigned int drm_context_t;
+typedef unsigned int drm_drawable_t;
+typedef struct drm_clip_rect drm_clip_rect_t;
+#endif
/**
* \name DRI interface structures
typedef struct __DRIscreenRec __DRIscreen;
typedef struct __DRIcontextRec __DRIcontext;
typedef struct __DRIdrawableRec __DRIdrawable;
-typedef struct __DRIdriverRec __DRIdriver;
+typedef struct __DRIconfigRec __DRIconfig;
typedef struct __DRIframebufferRec __DRIframebuffer;
typedef struct __DRIversionRec __DRIversion;
-typedef struct __DRIinterfaceMethodsRec __DRIinterfaceMethods;
+typedef struct __DRIcoreExtensionRec __DRIcoreExtension;
typedef struct __DRIextensionRec __DRIextension;
typedef struct __DRIcopySubBufferExtensionRec __DRIcopySubBufferExtension;
typedef struct __DRIswapControlExtensionRec __DRIswapControlExtension;
typedef struct __DRImediaStreamCounterExtensionRec __DRImediaStreamCounterExtension;
typedef struct __DRItexOffsetExtensionRec __DRItexOffsetExtension;
typedef struct __DRItexBufferExtensionRec __DRItexBufferExtension;
+typedef struct __DRIlegacyExtensionRec __DRIlegacyExtension;
+typedef struct __DRIswrastExtensionRec __DRIswrastExtension;
+typedef struct __DRIbufferRec __DRIbuffer;
+typedef struct __DRIdri2ExtensionRec __DRIdri2Extension;
+typedef struct __DRIdri2LoaderExtensionRec __DRIdri2LoaderExtension;
+typedef struct __DRI2flushExtensionRec __DRI2flushExtension;
+
/*@}*/
/**
* Extension struct. Drivers 'inherit' from this struct by embedding
- * it as the first element in the extension struct. The
- * __DRIscreen::getExtensions entry point will return a list of these
- * structs and the loader can use the extensions it knows about by
- * casting it to a more specific extension and optionally advertising
- * the GLX extension. See below for examples.
+ * it as the first element in the extension struct.
*
* We never break API in for a DRI extension. If we need to change
* the way things work in a non-backwards compatible manner, we
int version;
};
+/**
+ * The first set of extension are the screen extensions, returned by
+ * __DRIcore::getExtensions(). This entry point will return a list of
+ * extensions and the loader can use the ones it knows about by
+ * casting them to more specific extensions and advertising any GLX
+ * extensions the DRI extensions enables.
+ */
+
/**
* Used by drivers to indicate support for setting the read drawable.
*/
};
+/* Valid values for format in the setTexBuffer2 function below. These
+ * values match the GLX tokens for compatibility reasons, but we
+ * define them here since the DRI interface can't depend on GLX. */
+#define __DRI_TEXTURE_FORMAT_NONE 0x20D8
+#define __DRI_TEXTURE_FORMAT_RGB 0x20D9
+#define __DRI_TEXTURE_FORMAT_RGBA 0x20DA
+
#define __DRI_TEX_BUFFER "DRI_TexBuffer"
-#define __DRI_TEX_BUFFER_VERSION 1
+#define __DRI_TEX_BUFFER_VERSION 2
struct __DRItexBufferExtensionRec {
__DRIextension base;
/**
- * Method to override base texture image with a DRM memory manager
- * buffer object. The depth passed in allows e.g. to ignore the
- * alpha channel of texture images where the non-alpha components
- * don't occupy a whole texel.
+ * Method to override base texture image with the contents of a
+ * __DRIdrawable.
*
- * For GLX_EXT_texture_from_pixmap with AIGLX.
+ * For GLX_EXT_texture_from_pixmap with AIGLX. Deprecated in favor of
+ * setTexBuffer2 in version 2 of this interface
*/
void (*setTexBuffer)(__DRIcontext *pDRICtx,
- GLint target, unsigned long handle,
- GLint cpp, GLuint pitch, GLuint height);
-};
-
+ GLint target,
+ __DRIdrawable *pDraw);
-/**
- * Macros for building symbol and strings. Standard CPP two step...
- */
-
-#define __DRI_REAL_STRINGIFY(x) # x
-#define __DRI_STRINGIFY(x) __DRI_REAL_STRINGIFY(x)
-#define __DRI_REAL_MAKE_VERSION(name, version) name ## _ ## version
-#define __DRI_MAKE_VERSION(name, version) __DRI_REAL_MAKE_VERSION(name, version)
+ /**
+ * Method to override base texture image with the contents of a
+ * __DRIdrawable, including the required texture format attribute.
+ *
+ * For GLX_EXT_texture_from_pixmap with AIGLX.
+ */
+ void (*setTexBuffer2)(__DRIcontext *pDRICtx,
+ GLint target,
+ GLint format,
+ __DRIdrawable *pDraw);
+};
/**
- * \name Functions and data provided by the driver.
+ * Used by drivers that implement DRI2
*/
-/*@{*/
-
-#define __DRI_INTERFACE_VERSION 20070105
-
-typedef void *(CREATENEWSCREENFUNC)(int scr, __DRIscreen *psc,
- const __DRIversion * ddx_version, const __DRIversion * dri_version,
- const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer,
- void * pSAREA, int fd, int internal_api_version,
- const __DRIinterfaceMethods * interface,
- __GLcontextModes ** driver_modes);
-typedef CREATENEWSCREENFUNC* PFNCREATENEWSCREENFUNC;
-
-#define __DRI_CREATE_NEW_SCREEN \
- __DRI_MAKE_VERSION(__driCreateNewScreen, __DRI_INTERFACE_VERSION)
-
-#define __DRI_CREATE_NEW_SCREEN_STRING \
- __DRI_STRINGIFY(__DRI_CREATE_NEW_SCREEN)
-
-extern CREATENEWSCREENFUNC __DRI_CREATE_NEW_SCREEN;
-
-
-/* DRI2 Entry point */
-
-typedef void *(__DRI2_CREATE_NEW_SCREEN_FUNC)(int scr, __DRIscreen *psc,
- const __DRIversion * ddx_version, const __DRIversion * dri_version,
- const __DRIversion * drm_version, int fd,
- unsigned int sarea_handle,
- const __DRIinterfaceMethods * interface,
- __GLcontextModes ** driver_modes);
-#define __DRI2_CREATE_NEW_SCREEN \
- __DRI_MAKE_VERSION(__dri2CreateNewScreen, __DRI_INTERFACE_VERSION)
-
-#define __DRI2_CREATE_NEW_SCREEN_STRING \
- __DRI_STRINGIFY(__DRI2_CREATE_NEW_SCREEN)
+#define __DRI2_FLUSH "DRI2_Flush"
+#define __DRI2_FLUSH_VERSION 3
+struct __DRI2flushExtensionRec {
+ __DRIextension base;
+ void (*flush)(__DRIdrawable *drawable);
-extern __DRI2_CREATE_NEW_SCREEN_FUNC __DRI2_CREATE_NEW_SCREEN;
+ /**
+ * Ask the driver to call getBuffers/getBuffersWithFormat before
+ * it starts rendering again.
+ *
+ * \param drawable the drawable to invalidate
+ *
+ * \since 3
+ */
+ void (*invalidate)(__DRIdrawable *drawable);
+};
/**
/*@}*/
-
/**
- * Stored version of some component (i.e., server-side DRI module, kernel-side
- * DRM, etc.).
- *
- * \todo
- * There are several data structures that explicitly store a major version,
- * minor version, and patch level. These structures should be modified to
- * have a \c __DRIversionRec instead.
+ * The following extensions describe loader features that the DRI
+ * driver can make use of. Some of these are mandatory, such as the
+ * getDrawableInfo extension for DRI and the DRI Loader extensions for
+ * DRI2, while others are optional, and if present allow the driver to
+ * expose certain features. The loader pass in a NULL terminated
+ * array of these extensions to the driver in the createNewScreen
+ * constructor.
*/
-struct __DRIversionRec {
- int major; /**< Major version number. */
- int minor; /**< Minor version number. */
- int patch; /**< Patch-level. */
-};
+typedef struct __DRIgetDrawableInfoExtensionRec __DRIgetDrawableInfoExtension;
+typedef struct __DRIsystemTimeExtensionRec __DRIsystemTimeExtension;
+typedef struct __DRIdamageExtensionRec __DRIdamageExtension;
+typedef struct __DRIloaderExtensionRec __DRIloaderExtension;
+typedef struct __DRIswrastLoaderExtensionRec __DRIswrastLoaderExtension;
-typedef void (*__DRIfuncPtr)(void);
-struct __DRIinterfaceMethodsRec {
- /**
- * Create a list of \c __GLcontextModes structures.
- */
- __GLcontextModes * (*createContextModes)(unsigned count,
- size_t minimum_bytes_per_struct);
-
- /**
- * Destroy a list of \c __GLcontextModes structures.
- *
- * \todo
- * Determine if the drivers actually need to call this.
- */
- void (*destroyContextModes)( __GLcontextModes * modes );
-
-
- /**
- * \name Client/server protocol functions.
- *
- * These functions implement the DRI client/server protocol for
- * context and drawable operations. Platforms that do not implement
- * the wire protocol (e.g., EGL) will implement glorified no-op functions.
- */
- /*@{*/
+/**
+ * Callback to getDrawableInfo protocol
+ */
+#define __DRI_GET_DRAWABLE_INFO "DRI_GetDrawableInfo"
+#define __DRI_GET_DRAWABLE_INFO_VERSION 1
+struct __DRIgetDrawableInfoExtensionRec {
+ __DRIextension base;
/**
* This function is used to get information about the position, size, and
int * x, int * y, int * width, int * height,
int * numClipRects, drm_clip_rect_t ** pClipRects,
int * backX, int * backY,
- int * numBackClipRects, drm_clip_rect_t ** pBackClipRects );
- /*@}*/
+ int * numBackClipRects, drm_clip_rect_t ** pBackClipRects,
+ void *loaderPrivate);
+};
+/**
+ * Callback to get system time for media stream counter extensions.
+ */
+#define __DRI_SYSTEM_TIME "DRI_SystemTime"
+#define __DRI_SYSTEM_TIME_VERSION 1
+struct __DRIsystemTimeExtensionRec {
+ __DRIextension base;
- /**
- * \name Timing related functions.
- */
- /*@{*/
/**
* Get the 64-bit unadjusted system time (UST).
*/
* the frame refresh rate of the display.
*/
GLboolean (*getMSCRate)(__DRIdrawable *draw,
- int32_t * numerator, int32_t * denominator);
- /*@}*/
+ int32_t * numerator, int32_t * denominator,
+ void *loaderPrivate);
+};
+
+/**
+ * Damage reporting
+ */
+#define __DRI_DAMAGE "DRI_Damage"
+#define __DRI_DAMAGE_VERSION 1
+struct __DRIdamageExtensionRec {
+ __DRIextension base;
/**
* Reports areas of the given drawable which have been modified by the
* \param front_buffer boolean flag for whether the drawing to the
* drawable was actually done directly to the front buffer (instead
* of backing storage, for example)
+ * \param loaderPrivate the data passed in at createNewDrawable time
*/
void (*reportDamage)(__DRIdrawable *draw,
int x, int y,
drm_clip_rect_t *rects, int num_rects,
- GLboolean front_buffer);
+ GLboolean front_buffer,
+ void *loaderPrivate);
+};
+
+#define __DRI_SWRAST_IMAGE_OP_DRAW 1
+#define __DRI_SWRAST_IMAGE_OP_CLEAR 2
+#define __DRI_SWRAST_IMAGE_OP_SWAP 3
+
+/**
+ * SWRast Loader extension.
+ */
+#define __DRI_SWRAST_LOADER "DRI_SWRastLoader"
+#define __DRI_SWRAST_LOADER_VERSION 1
+struct __DRIswrastLoaderExtensionRec {
+ __DRIextension base;
+
+ /*
+ * Drawable position and size
+ */
+ void (*getDrawableInfo)(__DRIdrawable *drawable,
+ int *x, int *y, int *width, int *height,
+ void *loaderPrivate);
/**
- * Ping the windowing system to get it to reemit info for the
- * specified drawable in the DRI2 event buffer.
- *
- * \param draw the drawable for which to request info
+ * Put image to drawable
*/
- void (*reemitDrawableInfo)(__DRIdrawable *draw);
+ void (*putImage)(__DRIdrawable *drawable, int op,
+ int x, int y, int width, int height,
+ char *data, void *loaderPrivate);
+ /**
+ * Get image from readable
+ */
+ void (*getImage)(__DRIdrawable *readable,
+ int x, int y, int width, int height,
+ char *data, void *loaderPrivate);
+};
+
+/**
+ * The remaining extensions describe driver extensions, immediately
+ * available interfaces provided by the driver. To start using the
+ * driver, dlsym() for the __DRI_DRIVER_EXTENSIONS symbol and look for
+ * the extension you need in the array.
+ */
+#define __DRI_DRIVER_EXTENSIONS "__driDriverExtensions"
+
+/**
+ * Tokens for __DRIconfig attribs. A number of attributes defined by
+ * GLX or EGL standards are not in the table, as they must be provided
+ * by the loader. For example, FBConfig ID or visual ID, drawable type.
+ */
+
+#define __DRI_ATTRIB_BUFFER_SIZE 1
+#define __DRI_ATTRIB_LEVEL 2
+#define __DRI_ATTRIB_RED_SIZE 3
+#define __DRI_ATTRIB_GREEN_SIZE 4
+#define __DRI_ATTRIB_BLUE_SIZE 5
+#define __DRI_ATTRIB_LUMINANCE_SIZE 6
+#define __DRI_ATTRIB_ALPHA_SIZE 7
+#define __DRI_ATTRIB_ALPHA_MASK_SIZE 8
+#define __DRI_ATTRIB_DEPTH_SIZE 9
+#define __DRI_ATTRIB_STENCIL_SIZE 10
+#define __DRI_ATTRIB_ACCUM_RED_SIZE 11
+#define __DRI_ATTRIB_ACCUM_GREEN_SIZE 12
+#define __DRI_ATTRIB_ACCUM_BLUE_SIZE 13
+#define __DRI_ATTRIB_ACCUM_ALPHA_SIZE 14
+#define __DRI_ATTRIB_SAMPLE_BUFFERS 15
+#define __DRI_ATTRIB_SAMPLES 16
+#define __DRI_ATTRIB_RENDER_TYPE 17
+#define __DRI_ATTRIB_CONFIG_CAVEAT 18
+#define __DRI_ATTRIB_CONFORMANT 19
+#define __DRI_ATTRIB_DOUBLE_BUFFER 20
+#define __DRI_ATTRIB_STEREO 21
+#define __DRI_ATTRIB_AUX_BUFFERS 22
+#define __DRI_ATTRIB_TRANSPARENT_TYPE 23
+#define __DRI_ATTRIB_TRANSPARENT_INDEX_VALUE 24
+#define __DRI_ATTRIB_TRANSPARENT_RED_VALUE 25
+#define __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE 26
+#define __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE 27
+#define __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE 28
+#define __DRI_ATTRIB_FLOAT_MODE 29
+#define __DRI_ATTRIB_RED_MASK 30
+#define __DRI_ATTRIB_GREEN_MASK 31
+#define __DRI_ATTRIB_BLUE_MASK 32
+#define __DRI_ATTRIB_ALPHA_MASK 33
+#define __DRI_ATTRIB_MAX_PBUFFER_WIDTH 34
+#define __DRI_ATTRIB_MAX_PBUFFER_HEIGHT 35
+#define __DRI_ATTRIB_MAX_PBUFFER_PIXELS 36
+#define __DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH 37
+#define __DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT 38
+#define __DRI_ATTRIB_VISUAL_SELECT_GROUP 39
+#define __DRI_ATTRIB_SWAP_METHOD 40
+#define __DRI_ATTRIB_MAX_SWAP_INTERVAL 41
+#define __DRI_ATTRIB_MIN_SWAP_INTERVAL 42
+#define __DRI_ATTRIB_BIND_TO_TEXTURE_RGB 43
+#define __DRI_ATTRIB_BIND_TO_TEXTURE_RGBA 44
+#define __DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE 45
+#define __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS 46
+#define __DRI_ATTRIB_YINVERTED 47
+
+/* __DRI_ATTRIB_RENDER_TYPE */
+#define __DRI_ATTRIB_RGBA_BIT 0x01
+#define __DRI_ATTRIB_COLOR_INDEX_BIT 0x02
+#define __DRI_ATTRIB_LUMINANCE_BIT 0x04
+
+/* __DRI_ATTRIB_CONFIG_CAVEAT */
+#define __DRI_ATTRIB_SLOW_BIT 0x01
+#define __DRI_ATTRIB_NON_CONFORMANT_CONFIG 0x02
+
+/* __DRI_ATTRIB_TRANSPARENT_TYPE */
+#define __DRI_ATTRIB_TRANSPARENT_RGB 0x00
+#define __DRI_ATTRIB_TRANSPARENT_INDEX 0x01
+
+/* __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS */
+#define __DRI_ATTRIB_TEXTURE_1D_BIT 0x01
+#define __DRI_ATTRIB_TEXTURE_2D_BIT 0x02
+#define __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT 0x04
+
+/**
+ * This extension defines the core DRI functionality.
+ */
+#define __DRI_CORE "DRI_Core"
+#define __DRI_CORE_VERSION 1
+
+struct __DRIcoreExtensionRec {
+ __DRIextension base;
+
+ __DRIscreen *(*createNewScreen)(int screen, int fd,
+ unsigned int sarea_handle,
+ const __DRIextension **extensions,
+ const __DRIconfig ***driverConfigs,
+ void *loaderPrivate);
+
+ void (*destroyScreen)(__DRIscreen *screen);
+
+ const __DRIextension **(*getExtensions)(__DRIscreen *screen);
+
+ int (*getConfigAttrib)(const __DRIconfig *config,
+ unsigned int attrib,
+ unsigned int *value);
+
+ int (*indexConfigAttrib)(const __DRIconfig *config, int index,
+ unsigned int *attrib, unsigned int *value);
+
+ __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ unsigned int drawable_id,
+ unsigned int head,
+ void *loaderPrivate);
+
+ void (*destroyDrawable)(__DRIdrawable *drawable);
+
+ void (*swapBuffers)(__DRIdrawable *drawable);
+
+ __DRIcontext *(*createNewContext)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ __DRIcontext *shared,
+ void *loaderPrivate);
+
+ int (*copyContext)(__DRIcontext *dest,
+ __DRIcontext *src,
+ unsigned long mask);
+
+ void (*destroyContext)(__DRIcontext *context);
+
+ int (*bindContext)(__DRIcontext *ctx,
+ __DRIdrawable *pdraw,
+ __DRIdrawable *pread);
+
+ int (*unbindContext)(__DRIcontext *ctx);
+};
+
+/**
+ * Stored version of some component (i.e., server-side DRI module, kernel-side
+ * DRM, etc.).
+ *
+ * \todo
+ * There are several data structures that explicitly store a major version,
+ * minor version, and patch level. These structures should be modified to
+ * have a \c __DRIversionRec instead.
+ */
+struct __DRIversionRec {
+ int major; /**< Major version number. */
+ int minor; /**< Minor version number. */
+ int patch; /**< Patch-level. */
};
-
/**
* Framebuffer information record. Used by libGL to communicate information
* about the framebuffer to the driver's \c __driCreateNewScreen function.
/**
- * Screen dependent methods. This structure is initialized during the
- * \c __DRIdisplayRec::createScreen call.
+ * This extension provides alternative screen, drawable and context
+ * constructors for legacy DRI functionality. This is used in
+ * conjunction with the core extension.
*/
-struct __DRIscreenRec {
- /**
- * Method to destroy the private DRI screen data.
- */
- void (*destroyScreen)(__DRIscreen *screen);
+#define __DRI_LEGACY "DRI_Legacy"
+#define __DRI_LEGACY_VERSION 1
- /**
- * Method to get screen extensions.
- */
- const __DRIextension **(*getExtensions)(__DRIscreen *screen);
+struct __DRIlegacyExtensionRec {
+ __DRIextension base;
- /**
- * Method to create the private DRI drawable data and initialize the
- * drawable dependent methods.
- */
- void *(*createNewDrawable)(__DRIscreen *screen,
- const __GLcontextModes *modes,
- __DRIdrawable *pdraw,
- drm_drawable_t hwDrawable,
- int renderType, const int *attrs);
+ __DRIscreen *(*createNewScreen)(int screen,
+ const __DRIversion *ddx_version,
+ const __DRIversion *dri_version,
+ const __DRIversion *drm_version,
+ const __DRIframebuffer *frame_buffer,
+ void *pSAREA, int fd,
+ const __DRIextension **extensions,
+ const __DRIconfig ***driver_configs,
+ void *loaderPrivate);
+
+ __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ drm_drawable_t hwDrawable,
+ int renderType, const int *attrs,
+ void *loaderPrivate);
+
+ __DRIcontext *(*createNewContext)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ int render_type,
+ __DRIcontext *shared,
+ drm_context_t hwContext,
+ void *loaderPrivate);
+};
- /**
- * Opaque pointer to private per screen direct rendering data. \c NULL
- * if direct rendering is not supported on this screen. Never
- * dereferenced in libGL.
- */
- void *private;
+/**
+ * This extension provides alternative screen, drawable and context
+ * constructors for swrast DRI functionality. This is used in
+ * conjunction with the core extension.
+ */
+#define __DRI_SWRAST "DRI_SWRast"
+#define __DRI_SWRAST_VERSION 1
- /**
- * Method to create the private DRI context data and initialize the
- * context dependent methods.
- *
- * \since Internal API version 20031201.
- */
- void * (*createNewContext)(__DRIscreen *screen,
- const __GLcontextModes *modes,
- int render_type,
- __DRIcontext *shared,
- drm_context_t hwContext, __DRIcontext *pctx);
+struct __DRIswrastExtensionRec {
+ __DRIextension base;
+
+ __DRIscreen *(*createNewScreen)(int screen,
+ const __DRIextension **extensions,
+ const __DRIconfig ***driver_configs,
+ void *loaderPrivate);
+
+ __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ void *loaderPrivate);
};
/**
- * Context dependent methods. This structure is initialized during the
- * \c __DRIscreenRec::createContext call.
+ * DRI2 Loader extension.
*/
-struct __DRIcontextRec {
- /**
- * Method to destroy the private DRI context data.
- */
- void (*destroyContext)(__DRIcontext *context);
+#define __DRI_BUFFER_FRONT_LEFT 0
+#define __DRI_BUFFER_BACK_LEFT 1
+#define __DRI_BUFFER_FRONT_RIGHT 2
+#define __DRI_BUFFER_BACK_RIGHT 3
+#define __DRI_BUFFER_DEPTH 4
+#define __DRI_BUFFER_STENCIL 5
+#define __DRI_BUFFER_ACCUM 6
+#define __DRI_BUFFER_FAKE_FRONT_LEFT 7
+#define __DRI_BUFFER_FAKE_FRONT_RIGHT 8
+#define __DRI_BUFFER_DEPTH_STENCIL 9 /**< Only available with DRI2 1.1 */
+
+struct __DRIbufferRec {
+ unsigned int attachment;
+ unsigned int name;
+ unsigned int pitch;
+ unsigned int cpp;
+ unsigned int flags;
+};
- /**
- * Opaque pointer to private per context direct rendering data.
- * \c NULL if direct rendering is not supported on the display or
- * screen used to create this context. Never dereferenced in libGL.
- */
- void *private;
+#define __DRI_DRI2_LOADER "DRI_DRI2Loader"
+#define __DRI_DRI2_LOADER_VERSION 3
+struct __DRIdri2LoaderExtensionRec {
+ __DRIextension base;
+
+ __DRIbuffer *(*getBuffers)(__DRIdrawable *driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate);
/**
- * Method to bind a DRI drawable to a DRI graphics context.
+ * Flush pending front-buffer rendering
+ *
+ * Any rendering that has been performed to the
+ * \c __DRI_BUFFER_FAKE_FRONT_LEFT will be flushed to the
+ * \c __DRI_BUFFER_FRONT_LEFT.
*
- * \since Internal API version 20050727.
+ * \param driDrawable Drawable whose front-buffer is to be flushed
+ * \param loaderPrivate Loader's private data that was previously passed
+ * into __DRIdri2ExtensionRec::createNewDrawable
*/
- GLboolean (*bindContext)(__DRIcontext *ctx,
- __DRIdrawable *pdraw,
- __DRIdrawable *pread);
+ void (*flushFrontBuffer)(__DRIdrawable *driDrawable, void *loaderPrivate);
+
/**
- * Method to unbind a DRI drawable from a DRI graphics context.
+ * Get list of buffers from the server
*
- * \since Internal API version 20050727.
+ * Gets a list of buffer for the specified set of attachments. Unlike
+ * \c ::getBuffers, this function takes a list of attachments paired with
+ * opaque \c unsigned \c int value describing the format of the buffer.
+ * It is the responsibility of the caller to know what the service that
+ * allocates the buffers will expect to receive for the format.
+ *
+ * \param driDrawable Drawable whose buffers are being queried.
+ * \param width Output where the width of the buffers is stored.
+ * \param height Output where the height of the buffers is stored.
+ * \param attachments List of pairs of attachment ID and opaque format
+ * requested for the drawable.
+ * \param count Number of attachment / format pairs stored in
+ * \c attachments.
+ * \param loaderPrivate Loader's private data that was previously passed
+ * into __DRIdri2ExtensionRec::createNewDrawable.
*/
- GLboolean (*unbindContext)(__DRIcontext *ctx);
+ __DRIbuffer *(*getBuffersWithFormat)(__DRIdrawable *driDrawable,
+ int *width, int *height,
+ unsigned int *attachments, int count,
+ int *out_count, void *loaderPrivate);
};
/**
- * Drawable dependent methods. This structure is initialized during the
- * \c __DRIscreenRec::createDrawable call. \c createDrawable is not called
- * by libGL at this time. It's currently used via the dri_util.c utility code
- * instead.
+ * This extension provides alternative screen, drawable and context
+ * constructors for DRI2.
*/
-struct __DRIdrawableRec {
- /**
- * Method to destroy the private DRI drawable data.
- */
- void (*destroyDrawable)(__DRIdrawable *drawable);
+#define __DRI_DRI2 "DRI_DRI2"
+#define __DRI_DRI2_VERSION 1
- /**
- * Method to swap the front and back buffers.
- */
- void (*swapBuffers)(__DRIdrawable *drawable);
+struct __DRIdri2ExtensionRec {
+ __DRIextension base;
- /**
- * Opaque pointer to private per drawable direct rendering data.
- * \c NULL if direct rendering is not supported on the display or
- * screen used to create this drawable. Never dereferenced in libGL.
- */
- void *private;
+ __DRIscreen *(*createNewScreen)(int screen, int fd,
+ const __DRIextension **extensions,
+ const __DRIconfig ***driver_configs,
+ void *loaderPrivate);
+
+ __DRIdrawable *(*createNewDrawable)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ void *loaderPrivate);
+
+ __DRIcontext *(*createNewContext)(__DRIscreen *screen,
+ const __DRIconfig *config,
+ __DRIcontext *shared,
+ void *loaderPrivate);
+
+};
+
+
+/**
+ * This extension provides functionality to enable various EGLImage
+ * extensions.
+ */
+#define __DRI_IMAGE "DRI_IMAGE"
+#define __DRI_IMAGE_VERSION 1
+
+/**
+ * These formats correspond to the similarly named MESA_FORMAT_*
+ * tokens, except in the native endian of the CPU. For example, on
+ * little endian __DRI_IMAGE_FORMAT_XRGB8888 corresponds to
+ * MESA_FORMAT_XRGB8888, but MESA_FORMAT_XRGB8888_REV on big endian.
+ */
+#define __DRI_IMAGE_FORMAT_RGB565 0x1001
+#define __DRI_IMAGE_FORMAT_XRGB8888 0x1002
+#define __DRI_IMAGE_FORMAT_ARGB8888 0x1003
+
+typedef struct __DRIimageRec __DRIimage;
+typedef struct __DRIimageExtensionRec __DRIimageExtension;
+struct __DRIimageExtensionRec {
+ __DRIextension base;
+
+ __DRIimage *(*createImageFromName)(__DRIcontext *context,
+ int width, int height, int format,
+ int name, int pitch,
+ void *loaderPrivate);
+
+ __DRIimage *(*createImageFromRenderbuffer)(__DRIcontext *context,
+ int renderbuffer,
+ void *loaderPrivate);
+
+ void (*destroyImage)(__DRIimage *image);
+};
+
+/**
+ * This extension must be implemented by the loader and passed to the
+ * driver at screen creation time. The EGLImage entry points in the
+ * various client APIs take opaque EGLImage handles and use this
+ * extension to map them to a __DRIimage. At version 1, this
+ * extensions allows mapping EGLImage pointers to __DRIimage pointers,
+ * but future versions could support other EGLImage-like, opaque types
+ * with new lookup functions.
+ */
+#define __DRI_IMAGE_LOOKUP "DRI_IMAGE_LOOKUP"
+#define __DRI_IMAGE_LOOKUP_VERSION 1
+
+typedef struct __DRIimageLookupExtensionRec __DRIimageLookupExtension;
+struct __DRIimageLookupExtensionRec {
+ __DRIextension base;
+
+ __DRIimage *(*lookupEGLImage)(__DRIcontext *context, void *image,
+ void *loaderPrivate);
};
#endif
projects / mesa.git / blobdiff