+++ /dev/null
-/**************************************************************************
- *
- * 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>
- */
-
-/* XXX DRI1 is untested after the switch to st_api.h */
-
-#include "util/u_memory.h"
-#include "util/u_rect.h"
-#include "util/u_surface.h"
-#include "util/u_inlines.h"
-#include "pipe/p_context.h"
-#include "state_tracker/dri1_api.h"
-
-#include "dri_screen.h"
-#include "dri_context.h"
-#include "dri_drawable.h"
-#include "dri1_helper.h"
-#include "dri1.h"
-
-static INLINE void
-dri1_lock(struct dri_context *ctx)
-{
- drm_context_t hw_context = ctx->cPriv->hHWContext;
- char ret = 0;
-
- DRM_CAS(ctx->lock, hw_context, DRM_LOCK_HELD | hw_context, ret);
- if (ret) {
- drmGetLock(ctx->sPriv->fd, hw_context, 0);
- ctx->stLostLock = TRUE;
- ctx->wsLostLock = TRUE;
- }
- ctx->isLocked = TRUE;
-}
-
-static INLINE void
-dri1_unlock(struct dri_context *ctx)
-{
- ctx->isLocked = FALSE;
- DRM_UNLOCK(ctx->sPriv->fd, ctx->lock, ctx->cPriv->hHWContext);
-}
-
-static void
-dri1_update_drawables_locked(struct dri_context *ctx,
- __DRIdrawable * driDrawPriv,
- __DRIdrawable * driReadPriv)
-{
- if (ctx->stLostLock) {
- ctx->stLostLock = FALSE;
- if (driDrawPriv == driReadPriv)
- DRI_VALIDATE_DRAWABLE_INFO(ctx->sPriv, driDrawPriv);
- else
- DRI_VALIDATE_TWO_DRAWABLES_INFO(ctx->sPriv, driDrawPriv,
- driReadPriv);
- }
-}
-
-/**
- * This ensures all contexts which bind to a drawable pick up the
- * drawable change and signal new buffer state.
- */
-static void
-dri1_propagate_drawable_change(struct dri_context *ctx)
-{
- __DRIdrawable *dPriv = ctx->dPriv;
- __DRIdrawable *rPriv = ctx->rPriv;
- struct dri_drawable *draw;
- struct dri_drawable *read;
- boolean flushed = FALSE;
-
- if (dPriv) {
- draw = dri_drawable(dPriv);
- }
-
- if (rPriv) {
- read = dri_drawable(rPriv);
- }
-
- if (dPriv && draw->texture_stamp != dPriv->lastStamp) {
- ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
- flushed = TRUE;
- ctx->st->notify_invalid_framebuffer(ctx->st, &draw->base);
- }
-
- if (rPriv && dPriv != rPriv && read->texture_stamp != rPriv->lastStamp) {
- if (!flushed)
- ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
- ctx->st->notify_invalid_framebuffer(ctx->st, &read->base);
- }
-}
-
-static INLINE boolean
-dri1_intersect_src_bbox(struct drm_clip_rect *dst,
- int dst_x,
- int dst_y,
- const struct drm_clip_rect *src,
- const struct drm_clip_rect *bbox)
-{
- int xy1;
- int xy2;
-
- xy1 = ((int)src->x1 > (int)bbox->x1 + dst_x) ? src->x1 :
- (int)bbox->x1 + dst_x;
- xy2 = ((int)src->x2 < (int)bbox->x2 + dst_x) ? src->x2 :
- (int)bbox->x2 + dst_x;
- if (xy1 >= xy2 || xy1 < 0)
- return FALSE;
-
- dst->x1 = xy1;
- dst->x2 = xy2;
-
- xy1 = ((int)src->y1 > (int)bbox->y1 + dst_y) ? src->y1 :
- (int)bbox->y1 + dst_y;
- xy2 = ((int)src->y2 < (int)bbox->y2 + dst_y) ? src->y2 :
- (int)bbox->y2 + dst_y;
- if (xy1 >= xy2 || xy1 < 0)
- return FALSE;
-
- dst->y1 = xy1;
- dst->y2 = xy2;
- return TRUE;
-}
-
-static void
-dri1_swap_copy(struct pipe_context *pipe,
- struct pipe_surface *dst,
- struct pipe_surface *src,
- __DRIdrawable * dPriv, const struct drm_clip_rect *bbox)
-{
- struct drm_clip_rect clip;
- struct drm_clip_rect *cur;
- int i;
- struct pipe_subresource subdst, subsrc;
- subsrc.face = 0;
- subsrc.level = 0;
- subdst.face = 0;
- subdst.level = 0;
-
- cur = dPriv->pClipRects;
-
- for (i = 0; i < dPriv->numClipRects; ++i) {
- if (dri1_intersect_src_bbox(&clip, dPriv->x, dPriv->y, cur++, bbox)) {
- pipe->resource_copy_region(pipe, dst->texture, subdst,
- clip.x1, clip.y1, 0,
- src->texture, subsrc,
- (int)clip.x1 - dPriv->x,
- (int)clip.y1 - dPriv->y, 0,
- clip.x2 - clip.x1, clip.y2 - clip.y1);
- }
- }
-}
-
-static void
-dri1_present_texture_locked(__DRIdrawable * dPriv,
- struct pipe_resource *ptex,
- const struct drm_clip_rect *sub_box,
- struct pipe_fence_handle **fence)
-{
- struct dri_drawable *drawable = dri_drawable(dPriv);
- struct dri_screen *screen = dri_screen(drawable->sPriv);
- struct pipe_context *pipe;
- struct pipe_surface *psurf;
- struct drm_clip_rect bbox;
- boolean visible = TRUE;
-
- *fence = NULL;
-
- bbox.x1 = 0;
- bbox.x2 = ptex->width0;
- bbox.y1 = 0;
- bbox.y2 = ptex->height0;
-
- if (sub_box)
- visible = dri1_intersect_src_bbox(&bbox, 0, 0, &bbox, sub_box);
- if (!visible)
- return;
-
- pipe = dri1_get_pipe_context(screen);
- /* XXX should probably use resources instead of surfaces in the api
- - we get surface but only use the texture from it it seems... */
- psurf = dri1_get_pipe_surface(drawable, ptex);
- if (!pipe || !psurf)
- return;
-
- if (__dri1_api_hooks->present_locked) {
- __dri1_api_hooks->present_locked(pipe, psurf,
- dPriv->pClipRects, dPriv->numClipRects,
- dPriv->x, dPriv->y, &bbox, fence);
- } else if (__dri1_api_hooks->front_srf_locked) {
- struct pipe_surface *front = __dri1_api_hooks->front_srf_locked(pipe);
-
- if (front)
- dri1_swap_copy(pipe, front, psurf, dPriv, &bbox);
-
- pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, fence);
- }
-}
-
-static void
-dri1_copy_to_front(struct dri_context *ctx,
- struct pipe_resource *ptex,
- __DRIdrawable * dPriv,
- const struct drm_clip_rect *sub_box,
- struct pipe_fence_handle **fence)
-{
- boolean save_lost_lock;
-
- dri1_lock(ctx);
- save_lost_lock = ctx->stLostLock;
- dri1_update_drawables_locked(ctx, dPriv, dPriv);
-
- dri1_present_texture_locked(dPriv, ptex, sub_box, fence);
-
- ctx->stLostLock = save_lost_lock;
-
- /**
- * FIXME: Revisit this: Update drawables on copy_sub_buffer ?
- */
-
- if (!sub_box)
- dri1_update_drawables_locked(ctx, ctx->dPriv, ctx->rPriv);
-
- dri1_unlock(ctx);
- dri1_propagate_drawable_change(ctx);
-}
-
-/*
- * Backend functions for st_framebuffer interface and swap_buffers.
- */
-
-static void
-dri1_flush_frontbuffer(struct dri_drawable *draw,
- enum st_attachment_type statt)
-{
- struct dri_context *ctx = dri_get_current(draw->sPriv);
- struct dri_screen *screen = dri_screen(draw->sPriv);
- struct pipe_screen *pipe_screen = screen->base.screen;
- struct pipe_fence_handle *dummy_fence;
- struct pipe_resource *ptex;
-
- if (!ctx)
- return; /* For now */
-
- ptex = draw->textures[statt];
- if (ptex) {
- dri1_copy_to_front(ctx, ptex, ctx->dPriv, NULL, &dummy_fence);
- pipe_screen->fence_reference(pipe_screen, &dummy_fence, NULL);
- }
-
- /**
- * FIXME: Do we need swap throttling here?
- */
-}
-
-void
-dri1_swap_buffers(__DRIdrawable * dPriv)
-{
- struct dri_drawable *draw = dri_drawable(dPriv);
- struct dri_context *ctx = dri_get_current(draw->sPriv);
- struct dri_screen *screen = dri_screen(draw->sPriv);
- struct pipe_screen *pipe_screen = screen->base.screen;
- struct pipe_fence_handle *fence;
- struct pipe_resource *ptex;
-
- assert(__dri1_api_hooks != NULL);
-
- if (!ctx)
- return; /* For now */
-
- ptex = draw->textures[ST_ATTACHMENT_BACK_LEFT];
- if (ptex) {
- ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
- fence = dri1_swap_fences_pop_front(draw);
- if (fence) {
- (void)pipe_screen->fence_finish(pipe_screen, fence, 0);
- pipe_screen->fence_reference(pipe_screen, &fence, NULL);
- }
- dri1_copy_to_front(ctx, ptex, dPriv, NULL, &fence);
- dri1_swap_fences_push_back(draw, fence);
- pipe_screen->fence_reference(pipe_screen, &fence, NULL);
- }
-}
-
-void
-dri1_copy_sub_buffer(__DRIdrawable * dPriv, int x, int y, int w, int h)
-{
- struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
- struct dri_screen *screen = dri_screen(dPriv->driScreenPriv);
- struct pipe_screen *pipe_screen = screen->base.screen;
- struct drm_clip_rect sub_bbox;
- struct dri_drawable *draw = dri_drawable(dPriv);
- struct pipe_fence_handle *dummy_fence;
- struct pipe_resource *ptex;
-
- assert(__dri1_api_hooks != NULL);
-
- if (!ctx)
- return;
-
- sub_bbox.x1 = x;
- sub_bbox.x2 = x + w;
- sub_bbox.y1 = y;
- sub_bbox.y2 = y + h;
-
- ptex = draw->textures[ST_ATTACHMENT_BACK_LEFT];
- if (ptex) {
- ctx->st->flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
- dri1_copy_to_front(ctx, ptex, dPriv, &sub_bbox, &dummy_fence);
- pipe_screen->fence_reference(pipe_screen, &dummy_fence, NULL);
- }
-}
-
-/**
- * Allocate framebuffer attachments.
- *
- * During fixed-size operation, the function keeps allocating new attachments
- * as they are requested. Unused attachments are not removed, not until the
- * framebuffer is resized or destroyed.
- */
-static void
-dri1_allocate_textures(struct dri_drawable *drawable,
- const enum st_attachment_type *statts,
- unsigned count)
-{
- struct dri_screen *screen = dri_screen(drawable->sPriv);
- struct pipe_resource templ;
- unsigned width, height;
- boolean resized;
- int i;
-
- width = drawable->dPriv->w;
- height = drawable->dPriv->h;
-
- resized = (drawable->old_w != width ||
- drawable->old_h != height);
-
- /* remove outdated textures */
- if (resized) {
- for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
- pipe_resource_reference(&drawable->textures[i], NULL);
- }
-
- memset(&templ, 0, sizeof(templ));
- templ.target = PIPE_TEXTURE_2D;
- templ.width0 = width;
- templ.height0 = height;
- templ.depth0 = 1;
- templ.last_level = 0;
-
- for (i = 0; i < count; i++) {
- enum pipe_format format;
- unsigned bind;
-
- /* the texture already exists */
- if (drawable->textures[statts[i]])
- continue;
-
- dri_drawable_get_format(drawable, statts[i], &format, &bind);
-
- if (format == PIPE_FORMAT_NONE)
- continue;
-
- templ.format = format;
- templ.bind = bind;
-
- drawable->textures[statts[i]] =
- screen->base.screen->resource_create(screen->base.screen, &templ);
- }
-
- drawable->old_w = width;
- drawable->old_h = height;
-}
-
-/*
- * Backend function for init_screen.
- */
-
-static const __DRIextension *dri1_screen_extensions[] = {
- &driReadDrawableExtension,
- &driCopySubBufferExtension.base,
- &driSwapControlExtension.base,
- &driFrameTrackingExtension.base,
- &driMediaStreamCounterExtension.base,
- NULL
-};
-
-static void
-st_dri_lock(struct pipe_context *pipe)
-{
- dri1_lock((struct dri_context *)pipe->priv);
-}
-
-static void
-st_dri_unlock(struct pipe_context *pipe)
-{
- dri1_unlock((struct dri_context *)pipe->priv);
-}
-
-static boolean
-st_dri_is_locked(struct pipe_context *pipe)
-{
- return ((struct dri_context *)pipe->priv)->isLocked;
-}
-
-static boolean
-st_dri_lost_lock(struct pipe_context *pipe)
-{
- return ((struct dri_context *)pipe->priv)->wsLostLock;
-}
-
-static void
-st_dri_clear_lost_lock(struct pipe_context *pipe)
-{
- ((struct dri_context *)pipe->priv)->wsLostLock = FALSE;
-}
-
-static struct dri1_api_lock_funcs dri1_lf = {
- .lock = st_dri_lock,
- .unlock = st_dri_unlock,
- .is_locked = st_dri_is_locked,
- .is_lock_lost = st_dri_lost_lock,
- .clear_lost_lock = st_dri_clear_lost_lock
-};
-
-static INLINE void
-dri1_copy_version(struct dri1_api_version *dst,
- const struct __DRIversionRec *src)
-{
- dst->major = src->major;
- dst->minor = src->minor;
- dst->patch_level = src->patch;
-}
-
-struct dri1_api *__dri1_api_hooks = NULL;
-
-const __DRIconfig **
-dri1_init_screen(__DRIscreen * sPriv)
-{
- const __DRIconfig **configs;
- struct pipe_screen *pscreen;
- struct dri_screen *screen;
- struct dri1_create_screen_arg arg;
-
- screen = CALLOC_STRUCT(dri_screen);
- if (!screen)
- return NULL;
-
- screen->api = drm_api_create();
- screen->sPriv = sPriv;
- screen->fd = sPriv->fd;
- screen->drmLock = (drmLock *) & sPriv->pSAREA->lock;
- screen->allocate_textures = dri1_allocate_textures;
- screen->flush_frontbuffer = dri1_flush_frontbuffer;
-
- sPriv->private = (void *)screen;
- sPriv->extensions = dri1_screen_extensions;
-
- arg.base.mode = DRM_CREATE_DRI1;
- arg.lf = &dri1_lf;
- arg.ddx_info = sPriv->pDevPriv;
- arg.ddx_info_size = sPriv->devPrivSize;
- arg.sarea = sPriv->pSAREA;
- dri1_copy_version(&arg.ddx_version, &sPriv->ddx_version);
- dri1_copy_version(&arg.dri_version, &sPriv->dri_version);
- dri1_copy_version(&arg.drm_version, &sPriv->drm_version);
- arg.api = NULL;
-
- /**
- * FIXME: If the driver supports format conversion swapbuffer blits, we might
- * want to support other color bit depths than the server is currently
- * using.
- */
-
- pscreen = screen->api->create_screen(screen->api, screen->fd, &arg.base);
- /* dri_init_screen_helper checks pscreen for us */
-
- configs = dri_init_screen_helper(screen, pscreen, sPriv->fbBPP);
- if (!configs)
- goto fail;
-
- if (!arg.api) {
- debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__);
- goto fail;
- }
-
- __dri1_api_hooks = arg.api;
-
- return configs;
-fail:
- if (configs)
- FREE(configs);
- dri_destroy_screen_helper(screen);
- FREE(screen);
- return NULL;
-}
projects / mesa.git / commitdiff