/* * Copyright (c) 2012 Intel Corporation. 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 PRECISION INSIGHT 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. */ #include #include #include #include #include #include #include #include "va.h" #include "va_backend.h" #include "va_dri2.h" #include "va_dri2tokens.h" #include "va_dricommon.h" #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 struct dri2_drawable { struct dri_drawable base; union dri_buffer buffers[5]; int width; int height; int has_backbuffer; int back_index; int front_index; }; static int gsDRI2SwapAvailable; static struct dri_drawable * dri2CreateDrawable(VADriverContextP ctx, XID x_drawable) { struct dri2_drawable *dri2_drawable; dri2_drawable = calloc(1, sizeof(*dri2_drawable)); if (!dri2_drawable) return NULL; dri2_drawable->base.x_drawable = x_drawable; dri2_drawable->base.x = 0; dri2_drawable->base.y = 0; VA_DRI2CreateDrawable(ctx->native_dpy, x_drawable); return &dri2_drawable->base; } static void dri2DestroyDrawable(VADriverContextP ctx, struct dri_drawable *dri_drawable) { VA_DRI2DestroyDrawable(ctx->native_dpy, dri_drawable->x_drawable); free(dri_drawable); } static void dri2SwapBuffer(VADriverContextP ctx, struct dri_drawable *dri_drawable) { struct dri2_drawable *dri2_drawable = (struct dri2_drawable *)dri_drawable; XRectangle xrect; XserverRegion region; if (dri2_drawable->has_backbuffer) { if (gsDRI2SwapAvailable) { CARD64 ret; VA_DRI2SwapBuffers(ctx->native_dpy, dri_drawable->x_drawable, 0, 1, 0, &ret); } else { xrect.x = 0; xrect.y = 0; xrect.width = dri2_drawable->width; xrect.height = dri2_drawable->height; region = XFixesCreateRegion(ctx->native_dpy, &xrect, 1); VA_DRI2CopyRegion(ctx->native_dpy, dri_drawable->x_drawable, region, DRI2BufferFrontLeft, DRI2BufferBackLeft); XFixesDestroyRegion(ctx->native_dpy, region); } } } static union dri_buffer * dri2GetRenderingBuffer(VADriverContextP ctx, struct dri_drawable *dri_drawable) { struct dri2_drawable *dri2_drawable = (struct dri2_drawable *)dri_drawable; int i; int count; unsigned int attachments[5]; VA_DRI2Buffer *buffers; i = 0; if (dri_drawable->is_window) attachments[i++] = __DRI_BUFFER_BACK_LEFT; else attachments[i++] = __DRI_BUFFER_FRONT_LEFT; buffers = VA_DRI2GetBuffers(ctx->native_dpy, dri_drawable->x_drawable, &dri2_drawable->width, &dri2_drawable->height, attachments, i, &count); if (buffers == NULL) return NULL; dri2_drawable->has_backbuffer = 0; for (i = 0; i < count; i++) { dri2_drawable->buffers[i].dri2.attachment = buffers[i].attachment; dri2_drawable->buffers[i].dri2.name = buffers[i].name; dri2_drawable->buffers[i].dri2.pitch = buffers[i].pitch; dri2_drawable->buffers[i].dri2.cpp = buffers[i].cpp; dri2_drawable->buffers[i].dri2.flags = buffers[i].flags; if (buffers[i].attachment == __DRI_BUFFER_BACK_LEFT) { dri2_drawable->has_backbuffer = 1; dri2_drawable->back_index = i; } if (buffers[i].attachment == __DRI_BUFFER_FRONT_LEFT) dri2_drawable->front_index = i; } dri_drawable->width = dri2_drawable->width; dri_drawable->height = dri2_drawable->height; Xfree(buffers); if (dri2_drawable->has_backbuffer) return &dri2_drawable->buffers[dri2_drawable->back_index]; return &dri2_drawable->buffers[dri2_drawable->front_index]; } static void dri2Close(VADriverContextP ctx) { struct dri_state *dri_state = (struct dri_state *)ctx->drm_state; va_dri_free_drawable_hashtable(ctx); if (dri_state->base.fd >= 0) close(dri_state->base.fd); } Bool va_isDRI2Connected(VADriverContextP ctx, char **driver_name) { struct dri_state *dri_state = (struct dri_state *)ctx->drm_state; int major, minor; int error_base; int event_base; char *device_name = NULL; drm_magic_t magic; *driver_name = NULL; if (!VA_DRI2QueryExtension(ctx->native_dpy, &event_base, &error_base)) goto err_out; if (!VA_DRI2QueryVersion(ctx->native_dpy, &major, &minor)) goto err_out; if (!VA_DRI2Connect(ctx->native_dpy, RootWindow(ctx->native_dpy, ctx->x11_screen), driver_name, &device_name)) goto err_out; if ((dri_state->base.fd != -1) && (dri_state->base.auth_type != VA_NONE)) goto success_out; dri_state->base.fd = open(device_name, O_RDWR); if (dri_state->base.fd < 0) goto err_out; if (drmGetMagic(dri_state->base.fd, &magic)) goto err_out; if (!VA_DRI2Authenticate(ctx->native_dpy, RootWindow(ctx->native_dpy, ctx->x11_screen), magic)) goto err_out; dri_state->base.auth_type = VA_DRI2; dri_state->createDrawable = dri2CreateDrawable; dri_state->destroyDrawable = dri2DestroyDrawable; dri_state->swapBuffer = dri2SwapBuffer; dri_state->getRenderingBuffer = dri2GetRenderingBuffer; dri_state->close = dri2Close; gsDRI2SwapAvailable = (minor >= 2); success_out: Xfree(device_name); return True; err_out: if (device_name) Xfree(device_name); if (*driver_name) Xfree(*driver_name); if (dri_state->base.fd >= 0) close(dri_state->base.fd); *driver_name = NULL; dri_state->base.fd = -1; return False; }