diff options
Diffstat (limited to 'src/gallium/state_trackers/dri2/dri_drawable.c')
-rw-r--r-- | src/gallium/state_trackers/dri2/dri_drawable.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/src/gallium/state_trackers/dri2/dri_drawable.c b/src/gallium/state_trackers/dri2/dri_drawable.c deleted file mode 100644 index 2e3f4099e2..0000000000 --- a/src/gallium/state_trackers/dri2/dri_drawable.c +++ /dev/null @@ -1,325 +0,0 @@ -/************************************************************************** - * - * Copyright 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 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. - * - **************************************************************************/ -/* - * Author: Keith Whitwell <keithw@vmware.com> - * Author: Jakob Bornecrantz <wallbraker@gmail.com> - */ - -#include "dri_screen.h" -#include "dri_context.h" -#include "dri_drawable.h" - -#include "pipe/p_context.h" -#include "pipe/p_screen.h" -#include "pipe/p_inlines.h" -#include "state_tracker/drm_api.h" -#include "state_tracker/st_public.h" -#include "state_tracker/st_context.h" -#include "state_tracker/st_cb_fbo.h" - -#include "util/u_memory.h" - - -static void -dri_copy_to_front(__DRIdrawablePrivate *dPriv, - struct pipe_surface *from, - int x, int y, unsigned w, unsigned h) -{ - /* TODO send a message to the Xserver to copy to the real front buffer */ -} - - -static struct pipe_surface * -dri_surface_from_handle(struct pipe_screen *screen, - unsigned handle, - enum pipe_format format, - unsigned width, - unsigned height, - unsigned pitch) -{ - struct pipe_surface *surface = NULL; - struct pipe_texture *texture = NULL; - struct pipe_texture templat; - struct pipe_buffer *buf = NULL; - - buf = drm_api_hooks.buffer_from_handle(screen, "dri2 buffer", handle); - if (!buf) - return NULL; - - memset(&templat, 0, sizeof(templat)); - templat.tex_usage |= PIPE_TEXTURE_USAGE_RENDER_TARGET; - templat.target = PIPE_TEXTURE_2D; - templat.last_level = 0; - templat.depth[0] = 1; - templat.format = format; - templat.width[0] = width; - templat.height[0] = height; - pf_get_block(templat.format, &templat.block); - - texture = screen->texture_blanket(screen, - &templat, - &pitch, - buf); - - /* we don't need the buffer from this point on */ - pipe_buffer_reference(&buf, NULL); - - if (!texture) - return NULL; - - surface = screen->get_tex_surface(screen, texture, 0, 0, 0, - PIPE_BUFFER_USAGE_GPU_READ | - PIPE_BUFFER_USAGE_GPU_WRITE); - - /* we don't need the texture from this point on */ - pipe_texture_reference(&texture, NULL); - return surface; -} - - -/** - * This will be called a drawable is known to have been resized. - */ -void -dri_get_buffers(__DRIdrawablePrivate *dPriv) -{ - struct dri_drawable *drawable = dri_drawable(dPriv); - struct pipe_surface *surface = NULL; - struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen; - __DRIbuffer *buffers = NULL; - __DRIscreen *dri_screen = drawable->sPriv; - __DRIdrawable *dri_drawable = drawable->dPriv; - boolean have_depth = FALSE; - int i, count; - - buffers = (*dri_screen->dri2.loader->getBuffers)(dri_drawable, - &dri_drawable->w, - &dri_drawable->h, - drawable->attachments, - drawable->num_attachments, - &count, - dri_drawable->loaderPrivate); - - if (buffers == NULL) { - return; - } - - /* set one cliprect to cover the whole dri_drawable */ - dri_drawable->x = 0; - dri_drawable->y = 0; - dri_drawable->backX = 0; - dri_drawable->backY = 0; - dri_drawable->numClipRects = 1; - dri_drawable->pClipRects[0].x1 = 0; - dri_drawable->pClipRects[0].y1 = 0; - dri_drawable->pClipRects[0].x2 = dri_drawable->w; - dri_drawable->pClipRects[0].y2 = dri_drawable->h; - dri_drawable->numBackClipRects = 1; - dri_drawable->pBackClipRects[0].x1 = 0; - dri_drawable->pBackClipRects[0].y1 = 0; - dri_drawable->pBackClipRects[0].x2 = dri_drawable->w; - dri_drawable->pBackClipRects[0].y2 = dri_drawable->h; - - for (i = 0; i < count; i++) { - enum pipe_format format = 0; - int index = 0; - - switch (buffers[i].attachment) { - case __DRI_BUFFER_FRONT_LEFT: - index = ST_SURFACE_FRONT_LEFT; - format = PIPE_FORMAT_A8R8G8B8_UNORM; - break; - case __DRI_BUFFER_FAKE_FRONT_LEFT: - index = ST_SURFACE_FRONT_LEFT; - format = PIPE_FORMAT_A8R8G8B8_UNORM; - break; - case __DRI_BUFFER_BACK_LEFT: - index = ST_SURFACE_BACK_LEFT; - format = PIPE_FORMAT_A8R8G8B8_UNORM; - break; - case __DRI_BUFFER_DEPTH: - index = ST_SURFACE_DEPTH; - format = PIPE_FORMAT_Z24S8_UNORM; - break; - case __DRI_BUFFER_STENCIL: - index = ST_SURFACE_DEPTH; - format = PIPE_FORMAT_Z24S8_UNORM; - break; - case __DRI_BUFFER_ACCUM: - default: - assert(0); - } - assert(buffers[i].cpp == 4); - - if (index == ST_SURFACE_DEPTH) { - if (have_depth) - continue; - else - have_depth = TRUE; - } - - surface = dri_surface_from_handle(screen, - buffers[i].name, - format, - dri_drawable->w, - dri_drawable->h, - buffers[i].pitch); - - st_set_framebuffer_surface(drawable->stfb, index, surface); - pipe_surface_reference(&surface, NULL); - } - /* this needed, or else the state tracker fails to pick the new buffers */ - st_resize_framebuffer(drawable->stfb, dri_drawable->w, dri_drawable->h); -} - - -void -dri_flush_frontbuffer(struct pipe_screen *screen, - struct pipe_surface *surf, - void *context_private) -{ - struct dri_context *ctx = (struct dri_context *)context_private; - dri_copy_to_front(ctx->dPriv, surf, 0, 0, surf->width, surf->height); -} - - -void -dri_swap_buffers(__DRIdrawablePrivate * dPriv) -{ - /* not needed for dri2 */ - assert(0); -} - - -void -dri_copy_sub_buffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h) -{ - /* not needed for dri2 */ - assert(0); -} - - -/** - * This is called when we need to set up GL rendering to a new X window. - */ -boolean -dri_create_buffer(__DRIscreenPrivate *sPriv, - __DRIdrawablePrivate *dPriv, - const __GLcontextModes *visual, - boolean isPixmap) -{ - enum pipe_format colorFormat, depthFormat, stencilFormat; - struct dri_screen *screen = sPriv->private; - struct dri_drawable *drawable = NULL; - struct pipe_screen *pscreen = screen->pipe_screen; - int i; - - if (isPixmap) - goto fail; /* not implemented */ - - drawable = CALLOC_STRUCT(dri_drawable); - if (drawable == NULL) - goto fail; - - /* XXX: todo: use the pipe_screen queries to figure out which - * render targets are supportable. - */ - assert(visual->redBits == 8); - assert(visual->depthBits == 24 || visual->depthBits == 0); - assert(visual->stencilBits == 8 || visual->stencilBits == 0); - - colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM; - - if (visual->depthBits) { - if (pscreen->is_format_supported(pscreen, PIPE_FORMAT_Z24S8_UNORM, - PIPE_TEXTURE_2D, - PIPE_TEXTURE_USAGE_RENDER_TARGET | - PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0)) - depthFormat = PIPE_FORMAT_Z24S8_UNORM; - else - depthFormat = PIPE_FORMAT_S8Z24_UNORM; - } else - depthFormat = PIPE_FORMAT_NONE; - - if (visual->stencilBits) { - if (pscreen->is_format_supported(pscreen, PIPE_FORMAT_Z24S8_UNORM, - PIPE_TEXTURE_2D, - PIPE_TEXTURE_USAGE_RENDER_TARGET | - PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0)) - stencilFormat = PIPE_FORMAT_Z24S8_UNORM; - else - stencilFormat = PIPE_FORMAT_S8Z24_UNORM; - } else - stencilFormat = PIPE_FORMAT_NONE; - - drawable->stfb = st_create_framebuffer(visual, - colorFormat, - depthFormat, - stencilFormat, - dPriv->w, - dPriv->h, - (void*) drawable); - if (drawable->stfb == NULL) - goto fail; - - drawable->sPriv = sPriv; - drawable->dPriv = dPriv; - dPriv->driverPrivate = (void *) drawable; - - /* setup dri2 buffers information */ - i = 0; - drawable->attachments[i++] = __DRI_BUFFER_FRONT_LEFT; -#if 0 - /* TODO incase of double buffer visual, delay fake creation */ - drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT; -#endif - if (visual->doubleBufferMode) - drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT; - if (visual->depthBits) - drawable->attachments[i++] = __DRI_BUFFER_DEPTH; - if (visual->stencilBits) - drawable->attachments[i++] = __DRI_BUFFER_STENCIL; - drawable->num_attachments = i; - - return GL_TRUE; -fail: - FREE(drawable); - return GL_FALSE; -} - - -void -dri_destroy_buffer(__DRIdrawablePrivate *dPriv) -{ - struct dri_drawable *drawable = dri_drawable(dPriv); - - st_unreference_framebuffer(drawable->stfb); - - FREE(drawable); -} - -/* vim: set sw=3 ts=8 sts=3 expandtab: */ |