diff options
Diffstat (limited to 'src/gallium/include')
| -rw-r--r-- | src/gallium/include/pipe/p_compiler.h | 5 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_context.h | 57 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_defines.h | 16 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_format.h | 1 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_screen.h | 66 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_state.h | 29 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/dri1_api.h | 2 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/drm_api.h | 57 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/st_api.h | 407 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/sw_winsys.h | 145 | ||||
| -rw-r--r-- | src/gallium/include/state_tracker/xlib_sw_winsys.h | 29 |
11 files changed, 719 insertions, 95 deletions
diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h index b93b38310a..e2766d15cd 100644 --- a/src/gallium/include/pipe/p_compiler.h +++ b/src/gallium/include/pipe/p_compiler.h @@ -31,13 +31,8 @@ #include "p_config.h" -#ifndef XFree86Server #include <stdlib.h> #include <string.h> -#else -#include "xf86_ansic.h" -#include "xf86_libc.h" -#endif #include <stddef.h> #include <stdarg.h> diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h index f82b77903e..d1b734a9f9 100644 --- a/src/gallium/include/pipe/p_context.h +++ b/src/gallium/include/pipe/p_context.h @@ -177,6 +177,12 @@ struct pipe_context { void (*bind_gs_state)(struct pipe_context *, void *); void (*delete_gs_state)(struct pipe_context *, void *); + void * (*create_vertex_elements_state)(struct pipe_context *, + unsigned num_elements, + const struct pipe_vertex_element *); + void (*bind_vertex_elements_state)(struct pipe_context *, void *); + void (*delete_vertex_elements_state)(struct pipe_context *, void *); + /*@}*/ /** @@ -208,21 +214,18 @@ struct pipe_context { void (*set_viewport_state)( struct pipe_context *, const struct pipe_viewport_state * ); - void (*set_fragment_sampler_textures)(struct pipe_context *, - unsigned num_textures, - struct pipe_texture **); + void (*set_fragment_sampler_views)(struct pipe_context *, + unsigned num_views, + struct pipe_sampler_view **); - void (*set_vertex_sampler_textures)(struct pipe_context *, - unsigned num_textures, - struct pipe_texture **); + void (*set_vertex_sampler_views)(struct pipe_context *, + unsigned num_views, + struct pipe_sampler_view **); void (*set_vertex_buffers)( struct pipe_context *, unsigned num_buffers, const struct pipe_vertex_buffer * ); - void (*set_vertex_elements)( struct pipe_context *, - unsigned num_elements, - const struct pipe_vertex_element * ); /*@}*/ @@ -303,6 +306,42 @@ struct pipe_context { */ unsigned int (*is_buffer_referenced)(struct pipe_context *pipe, struct pipe_buffer *buf); + + /** + * Create a view on a texture to be used by a shader stage. + */ + struct pipe_sampler_view * (*create_sampler_view)(struct pipe_context *ctx, + struct pipe_texture *texture, + const struct pipe_sampler_view *templat); + + void (*sampler_view_destroy)(struct pipe_context *ctx, + struct pipe_sampler_view *view); + + + /** + * Get a transfer object for transferring data to/from a texture. + * + * Transfers are (by default) context-private and allow uploads to be + * interleaved with + */ + struct pipe_transfer *(*get_tex_transfer)(struct pipe_context *, + struct pipe_texture *texture, + unsigned face, unsigned level, + unsigned zslice, + enum pipe_transfer_usage usage, + unsigned x, unsigned y, + unsigned w, unsigned h); + + void (*tex_transfer_destroy)(struct pipe_context *, + struct pipe_transfer *); + + void *(*transfer_map)( struct pipe_context *, + struct pipe_transfer *transfer ); + + void (*transfer_unmap)( struct pipe_context *, + struct pipe_transfer *transfer ); + + }; diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 5cebd43ace..c1e291b9da 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -176,11 +176,12 @@ enum pipe_texture_target { #define PIPE_TEX_COMPARE_R_TO_TEXTURE 1 #define PIPE_TEXTURE_USAGE_RENDER_TARGET 0x1 -#define PIPE_TEXTURE_USAGE_DISPLAY_TARGET 0x2 /* ie a backbuffer */ -#define PIPE_TEXTURE_USAGE_PRIMARY 0x4 /* ie a frontbuffer */ +#define PIPE_TEXTURE_USAGE_DISPLAY_TARGET 0x2 /* windows presentable buffer, ie a backbuffer */ +#define PIPE_TEXTURE_USAGE_SCANOUT 0x4 /* ie a frontbuffer */ #define PIPE_TEXTURE_USAGE_DEPTH_STENCIL 0x8 #define PIPE_TEXTURE_USAGE_SAMPLER 0x10 #define PIPE_TEXTURE_USAGE_DYNAMIC 0x20 +#define PIPE_TEXTURE_USAGE_SHARED 0x40 /** Pipe driver custom usage flags should be greater or equal to this value */ #define PIPE_TEXTURE_USAGE_CUSTOM (1 << 16) @@ -369,6 +370,17 @@ enum pipe_transfer_usage { /** + * Texture swizzles + */ +#define PIPE_SWIZZLE_RED 0 +#define PIPE_SWIZZLE_GREEN 1 +#define PIPE_SWIZZLE_BLUE 2 +#define PIPE_SWIZZLE_ALPHA 3 +#define PIPE_SWIZZLE_ZERO 4 +#define PIPE_SWIZZLE_ONE 5 + + +/** * Implementation capabilities/limits which are queried through * pipe_screen::get_param() and pipe_screen::get_paramf(). */ diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h index cbf3273ec8..ba2985f449 100644 --- a/src/gallium/include/pipe/p_format.h +++ b/src/gallium/include/pipe/p_format.h @@ -157,6 +157,7 @@ enum pipe_format { PIPE_FORMAT_DXT5_SRGBA = 109, PIPE_FORMAT_A8B8G8R8_UNORM = 110, + PIPE_FORMAT_B5G5R5X1_UNORM = 111, PIPE_FORMAT_COUNT }; diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h index e4a9222809..b7cb83abbe 100644 --- a/src/gallium/include/pipe/p_screen.h +++ b/src/gallium/include/pipe/p_screen.h @@ -50,6 +50,8 @@ extern "C" { /** Opaque type */ +struct winsys_handle; +/** Opaque type */ struct pipe_fence_handle; struct pipe_winsys; struct pipe_buffer; @@ -108,16 +110,23 @@ struct pipe_screen { const struct pipe_texture *templat); /** - * Create a new texture object, using the given template info, but on top of - * existing memory. - * - * It is assumed that the buffer data is layed out according to the expected - * by the hardware. NULL will be returned if any inconsistency is found. + * Create a texture from a winsys_handle. The handle is often created in + * another process by first creating a pipe texture and then calling + * texture_get_handle. */ - struct pipe_texture * (*texture_blanket)(struct pipe_screen *, - const struct pipe_texture *templat, - const unsigned *stride, - struct pipe_buffer *buffer); + struct pipe_texture * (*texture_from_handle)(struct pipe_screen *, + const struct pipe_texture *templat, + struct winsys_handle *handle); + + /** + * Get a winsys_handle from a texture. Some platforms/winsys requires + * that the texture is created with a special usage flag like + * DISPLAYTARGET or PRIMARY. + */ + boolean (*texture_get_handle)(struct pipe_screen *, + struct pipe_texture *tex, + struct winsys_handle *handle); + void (*texture_destroy)(struct pipe_texture *pt); @@ -133,23 +142,6 @@ struct pipe_screen { void (*tex_surface_destroy)(struct pipe_surface *); - /** Get a transfer object for transferring data to/from a texture */ - struct pipe_transfer *(*get_tex_transfer)(struct pipe_screen *, - struct pipe_texture *texture, - unsigned face, unsigned level, - unsigned zslice, - enum pipe_transfer_usage usage, - unsigned x, unsigned y, - unsigned w, unsigned h); - - void (*tex_transfer_destroy)(struct pipe_transfer *); - - void *(*transfer_map)( struct pipe_screen *, - struct pipe_transfer *transfer ); - - void (*transfer_unmap)( struct pipe_screen *, - struct pipe_transfer *transfer ); - /** * Create a new buffer. @@ -187,23 +179,6 @@ struct pipe_screen { void *ptr, unsigned bytes); - /** - * Allocate storage for a display target surface. - * - * Often surfaces which are meant to be blitted to the front screen (i.e., - * display targets) must be allocated with special characteristics, memory - * pools, or obtained directly from the windowing system. - * - * This callback is invoked by the pipe_screenwhen creating a texture marked - * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying - * buffer storage. - */ - struct pipe_buffer *(*surface_buffer_create)(struct pipe_screen *screen, - unsigned width, unsigned height, - enum pipe_format format, - unsigned usage, - unsigned tex_usage, - unsigned *stride); /** @@ -273,6 +248,7 @@ struct pipe_screen { /** * Do any special operations to ensure buffer size is correct + * \param context_private the private data of the calling context */ void (*update_buffer)( struct pipe_screen *ws, void *context_private ); @@ -280,10 +256,12 @@ struct pipe_screen { /** * Do any special operations to ensure frontbuffer contents are * displayed, eg copy fake frontbuffer. + * \param winsys_drawable_handle an opaque handle that the calling context + * gets out-of-band */ void (*flush_frontbuffer)( struct pipe_screen *screen, struct pipe_surface *surf, - void *context_private ); + void *winsys_drawable_handle ); diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h index 02558520bf..11072407d9 100644 --- a/src/gallium/include/pipe/p_state.h +++ b/src/gallium/include/pipe/p_state.h @@ -249,7 +249,7 @@ struct pipe_framebuffer_state { unsigned width, height; - /** multiple colorbuffers for multiple render targets */ + /** multiple color buffers for multiple render targets */ unsigned nr_cbufs; struct pipe_surface *cbufs[PIPE_MAX_COLOR_BUFS]; @@ -285,12 +285,12 @@ struct pipe_sampler_state struct pipe_surface { struct pipe_reference reference; - enum pipe_format format; /**< PIPE_FORMAT_x */ + enum pipe_format format; unsigned width; /**< logical width in pixels */ unsigned height; /**< logical height in pixels */ unsigned layout; /**< PIPE_SURFACE_LAYOUT_x */ unsigned offset; /**< offset from start of buffer, in bytes */ - unsigned usage; /**< PIPE_BUFFER_USAGE_* */ + unsigned usage; /**< bitmask of PIPE_BUFFER_USAGE_x */ unsigned zslice; struct pipe_texture *texture; /**< texture into which this is a view */ @@ -300,6 +300,24 @@ struct pipe_surface /** + * A view into a texture that can be bound to a shader stage. + */ +struct pipe_sampler_view +{ + struct pipe_reference reference; + enum pipe_format format; /**< typed PIPE_FORMAT_x */ + struct pipe_texture *texture; /**< texture into which this is a view */ + struct pipe_context *context; /**< context this view belongs to */ + unsigned first_level:8; /**< first mipmap level */ + unsigned last_level:8; /**< last mipmap level */ + unsigned swizzle_r:3; /**< PIPE_SWIZZLE_x for red component */ + unsigned swizzle_g:3; /**< PIPE_SWIZZLE_x for green component */ + unsigned swizzle_b:3; /**< PIPE_SWIZZLE_x for blue component */ + unsigned swizzle_a:3; /**< PIPE_SWIZZLE_x for alpha component */ +}; + + +/** * Transfer object. For data transfer to/from a texture. */ struct pipe_transfer @@ -336,7 +354,7 @@ struct pipe_texture unsigned nr_samples:8; /**< for multisampled surfaces, nr of samples */ - unsigned tex_usage; /* PIPE_TEXTURE_USAGE_* */ + unsigned tex_usage; /**< bitmask of PIPE_TEXTURE_USAGE_* */ struct pipe_screen *screen; /**< screen that this texture belongs to */ }; @@ -373,9 +391,8 @@ struct pipe_vertex_element * this attribute live in? */ unsigned vertex_buffer_index:8; - unsigned nr_components:8; - enum pipe_format src_format; /**< PIPE_FORMAT_* */ + enum pipe_format src_format; }; diff --git a/src/gallium/include/state_tracker/dri1_api.h b/src/gallium/include/state_tracker/dri1_api.h index b173ba3683..27b7a28c46 100644 --- a/src/gallium/include/state_tracker/dri1_api.h +++ b/src/gallium/include/state_tracker/dri1_api.h @@ -7,7 +7,7 @@ #include "state_tracker/drm_api.h" -#include <drm.h> +struct drm_clip_rect; struct pipe_screen; struct pipe_winsys; diff --git a/src/gallium/include/state_tracker/drm_api.h b/src/gallium/include/state_tracker/drm_api.h index e9fa9b4d2a..fe7ef253ef 100644 --- a/src/gallium/include/state_tracker/drm_api.h +++ b/src/gallium/include/state_tracker/drm_api.h @@ -17,6 +17,32 @@ enum drm_create_screen_mode { DRM_CREATE_MAX }; +#define DRM_API_HANDLE_TYPE_SHARED 0 +#define DRM_API_HANDLE_TYPE_KMS 1 + +/** + * For use with pipe_screen::{texture_from_handle|texture_get_handle}. + */ +struct winsys_handle +{ + /** + * Unused for texture_from_handle, always + * DRM_API_HANDLE_TYPE_SHARED. Input to texture_get_handle, + * use TEXTURE_USAGE to select handle for kms or ipc. + */ + unsigned type; + /** + * Input to texture_from_handle. + * Output for texture_get_handle. + */ + unsigned handle; + /** + * Input to texture_from_handle. + * Output for texture_get_handle. + */ + unsigned stride; +}; + /** * Modes other than DRM_CREATE_NORMAL derive from this struct. */ @@ -28,6 +54,8 @@ struct drm_create_screen_arg { struct drm_api { + void (*destroy)(struct drm_api *api); + const char *name; /** @@ -36,37 +64,10 @@ struct drm_api const char *driver_name; /** - * Special buffer functions + * Create a pipe srcreen. */ - /*@{*/ struct pipe_screen* (*create_screen)(struct drm_api *api, int drm_fd, struct drm_create_screen_arg *arg); - /*@}*/ - - /** - * Special buffer functions - */ - /*@{*/ - struct pipe_texture* - (*texture_from_shared_handle)(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *templ, - const char *name, - unsigned stride, - unsigned handle); - boolean (*shared_handle_from_texture)(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle); - boolean (*local_handle_from_texture)(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle); - /*@}*/ - - void (*destroy)(struct drm_api *api); }; extern struct drm_api * drm_api_create(void); diff --git a/src/gallium/include/state_tracker/st_api.h b/src/gallium/include/state_tracker/st_api.h new file mode 100644 index 0000000000..70ad215bfc --- /dev/null +++ b/src/gallium/include/state_tracker/st_api.h @@ -0,0 +1,407 @@ +/********************************************************** + * Copyright 2010 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, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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 _ST_API_H_ +#define _ST_API_H_ + +#include "pipe/p_compiler.h" +#include "pipe/p_format.h" + +/** + * \file API for communication between state trackers and state tracker + * managers. + * + * While both are state tackers, we use the term state tracker for rendering + * APIs such as OpenGL or OpenVG, and state tracker manager for window system + * APIs such as EGL or GLX in this file. + * + * This file defines an API to be implemented by both state trackers and state + * tracker managers. + */ + +/** + * The entry points of the state trackers. + */ +#define ST_MODULE_OPENGL_SYMBOL "st_module_OpenGL" +#define ST_MODULE_OPENGL_ES1_SYMBOL "st_module_OpenGL_ES1" +#define ST_MODULE_OPENGL_ES2_SYMBOL "st_module_OpenGL_ES2" +#define ST_MODULE_OPENVG_SYMBOL "st_module_OpenVG" + +/** + * The supported rendering API of a state tracker. + */ +enum st_api_type { + ST_API_OPENGL, + ST_API_OPENGL_ES1, + ST_API_OPENGL_ES2, + ST_API_OPENVG, + + ST_API_COUNT +}; + +/** + * Used in st_context_iface->teximage. + */ +enum st_texture_type { + ST_TEXTURE_1D, + ST_TEXTURE_2D, + ST_TEXTURE_3D, + ST_TEXTURE_RECT, +}; + +/** + * Available attachments of framebuffer. + */ +enum st_attachment_type { + ST_ATTACHMENT_FRONT_LEFT, + ST_ATTACHMENT_BACK_LEFT, + ST_ATTACHMENT_FRONT_RIGHT, + ST_ATTACHMENT_BACK_RIGHT, + ST_ATTACHMENT_DEPTH_STENCIL, + ST_ATTACHMENT_ACCUM, + ST_ATTACHMENT_SAMPLE, + + ST_ATTACHMENT_COUNT, + ST_ATTACHMENT_INVALID = -1 +}; + +/* for buffer_mask in st_visual */ +#define ST_ATTACHMENT_FRONT_LEFT_MASK (1 << ST_ATTACHMENT_FRONT_LEFT) +#define ST_ATTACHMENT_BACK_LEFT_MASK (1 << ST_ATTACHMENT_BACK_LEFT) +#define ST_ATTACHMENT_FRONT_RIGHT_MASK (1 << ST_ATTACHMENT_FRONT_RIGHT) +#define ST_ATTACHMENT_BACK_RIGHT_MASK (1 << ST_ATTACHMENT_BACK_RIGHT) +#define ST_ATTACHMENT_DEPTH_STENCIL_MASK (1 << ST_ATTACHMENT_DEPTH_STENCIL) +#define ST_ATTACHMENT_ACCUM_MASK (1 << ST_ATTACHMENT_ACCUM) +#define ST_ATTACHMENT_SAMPLE_MASK (1 << ST_ATTACHMENT_SAMPLE) + +/** + * Enumerations of state tracker context resources. + */ +enum st_context_resource_type { + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_2D, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_3D, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_POSITIVE_X, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_NEGATIVE_X, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_POSITIVE_Y, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_NEGATIVE_Y, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_POSITIVE_Z, + ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_NEGATIVE_Z, + ST_CONTEXT_RESOURCE_OPENGL_RENDERBUFFER, + ST_CONTEXT_RESOURCE_OPENVG_PARENT_IMAGE, +}; + +/** + * The return type of st_api->get_proc_address. + */ +typedef void (*st_proc_t)(void); + +struct pipe_context; +struct pipe_texture; +struct pipe_fence_handle; + +/** + * Used in st_context_iface->get_resource_for_egl_image. + */ +struct st_context_resource +{ + /* these fields are filled by the caller */ + enum st_context_resource_type type; + void *resource; + + /* this is owned by the caller */ + struct pipe_texture *texture; +}; + +/** + * Used in st_manager_iface->get_egl_image. + */ +struct st_egl_image +{ + /* these fields are filled by the caller */ + struct st_context_iface *stctxi; + void *egl_image; + + /* this is owned by the caller */ + struct pipe_texture *texture; + + unsigned face; + unsigned level; + unsigned zslice; +}; + +/** + * Represent the visual of a framebuffer. + */ +struct st_visual +{ + /** + * Available buffers. Tested with ST_FRAMEBUFFER_*_MASK. + */ + unsigned buffer_mask; + + /** + * Buffer formats. The formats are always set even when the buffer is + * not available. + */ + enum pipe_format color_format; + enum pipe_format depth_stencil_format; + enum pipe_format accum_format; + int samples; + + /** + * Desired render buffer. + */ + enum st_attachment_type render_buffer; +}; + +/** + * Represent a windowing system drawable. + * + * The framebuffer is implemented by the state tracker manager and + * used by the state trackers. + * + * Instead of the winsys pokeing into the API context to figure + * out what buffers that might be needed in the future by the API + * context, it calls into the framebuffer to get the textures. + * + * This structure along with the notify_invalid_framebuffer + * allows framebuffers to be shared between different threads + * but at the same make the API context free from thread + * syncronisation primitves, with the exception of a small + * atomic flag used for notification of framebuffer dirty status. + * + * The thread syncronisation is put inside the framebuffer + * and only called once the framebuffer has become dirty. + */ +struct st_framebuffer_iface +{ + /** + * Available for the state tracker manager to use. + */ + void *st_manager_private; + + /** + * The visual of a framebuffer. + */ + const struct st_visual *visual; + + /** + * Flush the front buffer. + * + * On some window systems, changes to the front buffers are not immediately + * visible. They need to be flushed. + * + * @att is one of the front buffer attachments. + */ + boolean (*flush_front)(struct st_framebuffer_iface *stfbi, + enum st_attachment_type statt); + + /** + * The state tracker asks for the textures it needs. + * + * It should try to only ask for attachments that it currently renders + * to, thus allowing the winsys to delay the allocation of textures not + * needed. For example front buffer attachments are not needed if you + * only do back buffer rendering. + * + * The implementor of this function needs to also ensure + * thread safty as this call might be done from multiple threads. + * + * The returned textures are owned by the caller. They should be + * unreferenced when no longer used. If this function is called multiple + * times with different sets of attachments, those buffers not included in + * the last call might be destroyed. This behavior might change in the + * future. + */ + boolean (*validate)(struct st_framebuffer_iface *stfbi, + const enum st_attachment_type *statts, + unsigned count, + struct pipe_texture **out); +}; + +/** + * Represent a rendering context. + * + * This entity is created from st_api and used by the state tracker manager. + */ +struct st_context_iface +{ + /** + * Available for the state tracker and the manager to use. + */ + void *st_context_private; + void *st_manager_private; + + /** + * Destroy the context. + */ + void (*destroy)(struct st_context_iface *stctxi); + + /** + * Invalidate the current textures that was taken from a framebuffer. + * + * The state tracker manager calls this function to let the rendering + * context know that it should update the textures it got from + * st_framebuffer_iface::validate. It should do so at the latest time possible. + * Possible right before sending triangles to the pipe context. + * + * For certain platforms this function might be called from a thread other + * than the thread that the context is currently bound in, and must + * therefore be thread safe. But it is the state tracker manager's + * responsibility to make sure that the framebuffer is bound to the context + * and the API context is current for the duration of this call. + * + * Thus reducing the sync primitive needed to a single atomic flag. + */ + void (*notify_invalid_framebuffer)(struct st_context_iface *stctxi, + struct st_framebuffer_iface *stfbi); + + /** + * Flush all drawing from context to the pipe also flushes the pipe. + */ + void (*flush)(struct st_context_iface *stctxi, unsigned flags, + struct pipe_fence_handle **fence); + + /** + * Replace the texture image of a texture object at the specified level. + * + * This function is optional. + */ + boolean (*teximage)(struct st_context_iface *stctxi, enum st_texture_type target, + int level, enum pipe_format internal_format, + struct pipe_texture *tex, boolean mipmap); + + /** + * Used to implement glXCopyContext. + */ + void (*copy)(struct st_context_iface *stctxi, + struct st_context_iface *stsrci, unsigned mask); + + /** + * Look up and return the info of a resource for EGLImage. + * + * This function is optional. + */ + boolean (*get_resource_for_egl_image)(struct st_context_iface *stctxi, + struct st_context_resource *stres); +}; + + +/** + * Represent a state tracker manager. + * + * This interface is implemented by the state tracker manager. It corresponds + * to a "display" in the window system. + */ +struct st_manager +{ + struct pipe_screen *screen; + + /** + * Look up and return the info of an EGLImage. + * + * This function is optional. + */ + boolean (*get_egl_image)(struct st_manager *smapi, + struct st_egl_image *stimg); +}; + +/** + * Represent a rendering API such as OpenGL or OpenVG. + * + * Implemented by the state tracker and used by the state tracker manager. + */ +struct st_api +{ + /** + * Destroy the API. + */ + void (*destroy)(struct st_api *stapi); + + /** + * Return an API entry point. + * + * For GL this is the same as _glapi_get_proc_address. + */ + st_proc_t (*get_proc_address)(struct st_api *stapi, const char *procname); + + /** + * Return true if the visual is supported by the state tracker. + */ + boolean (*is_visual_supported)(struct st_api *stapi, + const struct st_visual *visual); + + /** + * Create a rendering context. + */ + struct st_context_iface *(*create_context)(struct st_api *stapi, + struct st_manager *smapi, + const struct st_visual *visual, + struct st_context_iface *stsharei); + + /** + * Bind the context to the calling thread with draw and read as drawables. + * + * The framebuffers might have different visuals than the context does. + */ + boolean (*make_current)(struct st_api *stapi, + struct st_context_iface *stctxi, + struct st_framebuffer_iface *stdrawi, + struct st_framebuffer_iface *streadi); + + /** + * Get the currently bound context in the calling thread. + */ + struct st_context_iface *(*get_current)(struct st_api *stapi); +}; + +/** + * Represent a state tracker. + * + * This is the entry point of a state tracker. + */ +struct st_module +{ + enum st_api_type api; + struct st_api *(*create_api)(void); +}; + +/** + * Return true if the visual has the specified buffers. + */ +static INLINE boolean +st_visual_have_buffers(const struct st_visual *visual, unsigned mask) +{ + return ((visual->buffer_mask & mask) == mask); +} + +/* these symbols may need to be dynamically lookup up */ +extern PUBLIC const struct st_module st_module_OpenGL; +extern PUBLIC const struct st_module st_module_OpenGL_ES1; +extern PUBLIC const struct st_module st_module_OpenGL_ES2; +extern PUBLIC const struct st_module st_module_OpenVG; + +#endif /* _ST_API_H_ */ diff --git a/src/gallium/include/state_tracker/sw_winsys.h b/src/gallium/include/state_tracker/sw_winsys.h new file mode 100644 index 0000000000..a87650dc77 --- /dev/null +++ b/src/gallium/include/state_tracker/sw_winsys.h @@ -0,0 +1,145 @@ +/************************************************************************** + * + * Copyright 2007-2009 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 + * 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 + * 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. + * + **************************************************************************/ + +/** + * @file + * Software rasterizer winsys. + */ + + +#ifndef SW_WINSYS_H +#define SW_WINSYS_H + + +#include "pipe/p_compiler.h" /* for boolean */ +#include "pipe/p_format.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +struct winsys_handle; +struct pipe_screen; +struct pipe_context; +struct pipe_texture; + + +/** + * Opaque pointer. + */ +struct sw_displaytarget; + + +/** + * This is the interface that sw expects any window system + * hosting it to implement. + * + * sw is for the most part a self sufficient driver. The only thing it + * does not know is how to display a surface. + */ +struct sw_winsys +{ + void + (*destroy)( struct sw_winsys *ws ); + + boolean + (*is_displaytarget_format_supported)( struct sw_winsys *ws, + unsigned tex_usage, + enum pipe_format format ); + + /** + * Allocate storage for a render target. + * + * Often surfaces which are meant to be blitted to the front screen (i.e., + * display targets) must be allocated with special characteristics, memory + * pools, or obtained directly from the windowing system. + * + * This callback is invoked by the pipe_screen when creating a texture marked + * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying + * storage. + */ + struct sw_displaytarget * + (*displaytarget_create)( struct sw_winsys *ws, + unsigned tex_usage, + enum pipe_format format, + unsigned width, unsigned height, + unsigned alignment, + unsigned *stride ); + + /** + * Used to implement texture_from_handle. + */ + struct sw_displaytarget * + (*displaytarget_from_handle)( struct sw_winsys *ws, + const struct pipe_texture *templat, + struct winsys_handle *whandle, + unsigned *stride ); + + /** + * Used to implement texture_get_handle. + */ + boolean + (*displaytarget_get_handle)( struct sw_winsys *ws, + struct sw_displaytarget *dt, + struct winsys_handle *whandle ); + + /** + * \param flags bitmask of PIPE_BUFFER_USAGE_x flags + */ + void * + (*displaytarget_map)( struct sw_winsys *ws, + struct sw_displaytarget *dt, + unsigned flags ); + + void + (*displaytarget_unmap)( struct sw_winsys *ws, + struct sw_displaytarget *dt ); + + /** + * @sa pipe_screen:flush_frontbuffer. + * + * This call will likely become asynchronous eventually. + */ + void + (*displaytarget_display)( struct sw_winsys *ws, + struct sw_displaytarget *dt, + void *context_private ); + + void + (*displaytarget_destroy)( struct sw_winsys *ws, + struct sw_displaytarget *dt ); +}; + + + +#ifdef __cplusplus +} +#endif + +#endif /* SW_WINSYS_H */ diff --git a/src/gallium/include/state_tracker/xlib_sw_winsys.h b/src/gallium/include/state_tracker/xlib_sw_winsys.h new file mode 100644 index 0000000000..f22c22bb62 --- /dev/null +++ b/src/gallium/include/state_tracker/xlib_sw_winsys.h @@ -0,0 +1,29 @@ +#ifndef XLIB_SW_WINSYS_H +#define XLIB_SW_WINSYS_H + +#include "state_tracker/sw_winsys.h" +#include <X11/Xlib.h> + + +struct pipe_screen; +struct pipe_surface; + +/* This is what the xlib software winsys expects to find in the + * "private" field of flush_frontbuffers(). + * + * Xlib-based state trackers somehow need to know this. + */ +struct xlib_drawable { + Visual *visual; + int depth; + Drawable drawable; +}; + + +/* This is the public interface to the ws/xlib module. Why isn't it + * being defined in that directory? + */ +struct sw_winsys *xlib_create_sw_winsys( Display *display ); + + +#endif |