diff options
Diffstat (limited to 'sample-implementation-tmp/0001-gallium-Add-st_api.h.patch')
| -rw-r--r-- | sample-implementation-tmp/0001-gallium-Add-st_api.h.patch | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/sample-implementation-tmp/0001-gallium-Add-st_api.h.patch b/sample-implementation-tmp/0001-gallium-Add-st_api.h.patch new file mode 100644 index 0000000..98f1372 --- /dev/null +++ b/sample-implementation-tmp/0001-gallium-Add-st_api.h.patch @@ -0,0 +1,420 @@ +From 94e420c2b04c3e14a920106d117a94aaf74404b2 Mon Sep 17 00:00:00 2001 +From: Chia-I Wu <olvaffe@gmail.com> +Date: Wed, 13 Jan 2010 17:57:35 +0800 +Subject: [PATCH 1/5] gallium: Add st_api.h. + +--- + src/gallium/include/state_tracker/st_api.h | 401 ++++++++++++++++++++++++++++ + 1 files changed, 401 insertions(+), 0 deletions(-) + create mode 100644 src/gallium/include/state_tracker/st_api.h + +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 0000000..8feaade +--- /dev/null ++++ b/src/gallium/include/state_tracker/st_api.h +@@ -0,0 +1,401 @@ ++/********************************************************** ++ * 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->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 manager resources. ++ */ ++enum st_manager_resource_type { ++ /* return struct pipe_surface (this is likely to change) */ ++ ST_MANAGER_RESOURCE_EGL_IMAGE, ++}; ++ ++/** ++ * Enumerations of state tracker context resources. ++ */ ++enum st_context_resource_type { ++ /* all of them return struct pipe_texture */ ++ 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; ++ ++/** ++ * 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 ++{ ++ /** ++ * 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 *stfb, ++ 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 *stfb, ++ 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 ++{ ++ /** ++ * The API of the context. ++ */ ++ enum st_api_type api; ++ ++ /** ++ * Available for the state tracker to use. ++ */ ++ void *st_api_private; ++ ++ /** ++ * Destroy the context. ++ */ ++ void (*destroy)(struct st_context *stctx); ++ ++ /** ++ * Lock and unlock a state tracker context resource. ++ * ++ * This gives access to the underlying data structure of a state tracker ++ * context resource. Unless there is some mechanism not defined here that ++ * can lengthen the lifetime of the data structure, it is valid only until ++ * unlocked. ++ */ ++ void *(*lock_resource)(struct st_context *stctx, ++ enum st_context_resource_type type, void *res); ++ void (*unlock_resource)(struct st_context *stctx, ++ enum st_context_resource_type type, void *res); ++ ++ /** ++ * 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::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 *stctx, ++ struct st_framebuffer *stfb); ++ ++ /** ++ * Flush all drawing from context to the pipe also flushes the pipe. ++ */ ++ void (*flush)(struct st_context *stctx, 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 *stctx, 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 *stctx, struct st_context *stsrc, ++ unsigned mask); ++}; ++ ++ ++/** ++ * 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 ++{ ++ /** ++ * Lock and unlock a state tracker manager resource. ++ * ++ * This gives access to the underlying data structure of a state tracker ++ * manager resource. Unless there is some mechanism not defined here that ++ * can lengthen the lifetime of the data structure, it is valid only until ++ * unlocked. ++ */ ++ void *(*lock_resource)(struct st_manager *smapi, struct st_context *stctx, ++ enum st_manager_resource_type type, void *res); ++ void (*unlock_resource)(struct st_manager *smapi, struct st_context *stctx, ++ enum st_manager_resource_type type, void *res); ++}; ++ ++/** ++ * 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. ++ * ++ * XXX: The pipe argument should go away once ++ * the pipe_screen can create contexts. ++ * XXX: Is visual needed? ++ */ ++ struct st_context *(*create_context)(struct st_api *stapi, ++ struct st_manager *smapi, ++ struct pipe_context *pipe, ++ const struct st_visual *visual, ++ struct st_context *stshare); ++ ++ /** ++ * Bind the context to the calling thread with draw and read as drawables. ++ */ ++ boolean (*make_current)(struct st_api *stapi, ++ struct st_context *stctx, ++ struct st_framebuffer *stdraw, ++ struct st_framebuffer *stread); ++ ++ /** ++ * Get the currently bound context in the calling thread. ++ */ ++ struct st_context *(*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_ */ +-- +1.6.5 + |