/* * Mesa 3-D graphics library * * Copyright 2009, VMware, Inc. * All Rights Reserved. * Copyright (C) 2010 LunarG Inc. * * 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. * * Authors: * Keith Whitwell Jakob Bornecrantz * Chia-I Wu */ #include #include "GL/mesa_glinterop.h" #include "util/disk_cache.h" #include "util/u_memory.h" #include "util/u_inlines.h" #include "util/format/u_format.h" #include "util/u_debug.h" #include "frontend/drm_driver.h" #include "state_tracker/st_cb_bufferobjects.h" #include "state_tracker/st_cb_fbo.h" #include "state_tracker/st_cb_texture.h" #include "state_tracker/st_texture.h" #include "state_tracker/st_context.h" #include "pipe-loader/pipe_loader.h" #include "main/bufferobj.h" #include "main/texobj.h" #include "dri_util.h" #include "dri_helpers.h" #include "dri_drawable.h" #include "dri_query_renderer.h" #include "drm-uapi/drm_fourcc.h" struct dri2_buffer { __DRIbuffer base; struct pipe_resource *resource; }; static inline struct dri2_buffer * dri2_buffer(__DRIbuffer * driBufferPriv) { return (struct dri2_buffer *) driBufferPriv; } /** * DRI2 flush extension. */ static void dri2_flush_drawable(__DRIdrawable *dPriv) { dri_flush(dPriv->driContextPriv, dPriv, __DRI2_FLUSH_DRAWABLE, -1); } static void dri2_invalidate_drawable(__DRIdrawable *dPriv) { struct dri_drawable *drawable = dri_drawable(dPriv); dri2InvalidateDrawable(dPriv); drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp; drawable->texture_mask = 0; p_atomic_inc(&drawable->base.stamp); } static const __DRI2flushExtension dri2FlushExtension = { .base = { __DRI2_FLUSH, 4 }, .flush = dri2_flush_drawable, .invalidate = dri2_invalidate_drawable, .flush_with_flags = dri_flush, }; /** * Retrieve __DRIbuffer from the DRI loader. */ static __DRIbuffer * dri2_drawable_get_buffers(struct dri_drawable *drawable, const enum st_attachment_type *atts, unsigned *count) { __DRIdrawable *dri_drawable = drawable->dPriv; const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader; boolean with_format; __DRIbuffer *buffers; int num_buffers; unsigned attachments[__DRI_BUFFER_COUNT]; unsigned num_attachments, i; assert(loader); assert(*count <= __DRI_BUFFER_COUNT); with_format = dri_with_format(drawable->sPriv); num_attachments = 0; /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */ if (!with_format) attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT; for (i = 0; i < *count; i++) { enum pipe_format format; unsigned bind; int att, depth; dri_drawable_get_format(drawable, atts[i], &format, &bind); if (format == PIPE_FORMAT_NONE) continue; switch (atts[i]) { case ST_ATTACHMENT_FRONT_LEFT: /* already added */ if (!with_format) continue; att = __DRI_BUFFER_FRONT_LEFT; break; case ST_ATTACHMENT_BACK_LEFT: att = __DRI_BUFFER_BACK_LEFT; break; case ST_ATTACHMENT_FRONT_RIGHT: att = __DRI_BUFFER_FRONT_RIGHT; break; case ST_ATTACHMENT_BACK_RIGHT: att = __DRI_BUFFER_BACK_RIGHT; break; default: continue; } /* * In this switch statement we must support all formats that * may occur as the stvis->color_format. */ switch(format) { case PIPE_FORMAT_R16G16B16A16_FLOAT: depth = 64; break; case PIPE_FORMAT_R16G16B16X16_FLOAT: depth = 48; break; case PIPE_FORMAT_B10G10R10A2_UNORM: case PIPE_FORMAT_R10G10B10A2_UNORM: case PIPE_FORMAT_BGRA8888_UNORM: case PIPE_FORMAT_RGBA8888_UNORM: depth = 32; break; case PIPE_FORMAT_R10G10B10X2_UNORM: case PIPE_FORMAT_B10G10R10X2_UNORM: depth = 30; break; case PIPE_FORMAT_BGRX8888_UNORM: case PIPE_FORMAT_RGBX8888_UNORM: depth = 24; break; case PIPE_FORMAT_B5G6R5_UNORM: depth = 16; break; default: depth = util_format_get_blocksizebits(format); assert(!"Unexpected format in dri2_drawable_get_buffers()"); } attachments[num_attachments++] = att; if (with_format) { attachments[num_attachments++] = depth; } } if (with_format) { num_attachments /= 2; buffers = loader->getBuffersWithFormat(dri_drawable, &dri_drawable->w, &dri_drawable->h, attachments, num_attachments, &num_buffers, dri_drawable->loaderPrivate); } else { buffers = loader->getBuffers(dri_drawable, &dri_drawable->w, &dri_drawable->h, attachments, num_attachments, &num_buffers, dri_drawable->loaderPrivate); } if (buffers) *count = num_buffers; return buffers; } static bool dri_image_drawable_get_buffers(struct dri_drawable *drawable, struct __DRIimageList *images, const enum st_attachment_type *statts, unsigned statts_count) { __DRIdrawable *dPriv = drawable->dPriv; __DRIscreen *sPriv = drawable->sPriv; unsigned int image_format = __DRI_IMAGE_FORMAT_NONE; enum pipe_format pf; uint32_t buffer_mask = 0; unsigned i, bind; for (i = 0; i < statts_count; i++) { dri_drawable_get_format(drawable, statts[i], &pf, &bind); if (pf == PIPE_FORMAT_NONE) continue; switch (statts[i]) { case ST_ATTACHMENT_FRONT_LEFT: buffer_mask |= __DRI_IMAGE_BUFFER_FRONT; break; case ST_ATTACHMENT_BACK_LEFT: buffer_mask |= __DRI_IMAGE_BUFFER_BACK; break; default: continue; } switch (pf) { case PIPE_FORMAT_R16G16B16A16_FLOAT: image_format = __DRI_IMAGE_FORMAT_ABGR16161616F; break; case PIPE_FORMAT_R16G16B16X16_FLOAT: image_format = __DRI_IMAGE_FORMAT_XBGR16161616F; break; case PIPE_FORMAT_B5G5R5A1_UNORM: image_format = __DRI_IMAGE_FORMAT_ARGB1555; break; case PIPE_FORMAT_B5G6R5_UNORM: image_format = __DRI_IMAGE_FORMAT_RGB565; break; case PIPE_FORMAT_BGRX8888_UNORM: image_format = __DRI_IMAGE_FORMAT_XRGB8888; break; case PIPE_FORMAT_BGRA8888_UNORM: image_format = __DRI_IMAGE_FORMAT_ARGB8888; break; case PIPE_FORMAT_RGBX8888_UNORM: image_format = __DRI_IMAGE_FORMAT_XBGR8888; break; case PIPE_FORMAT_RGBA8888_UNORM: image_format = __DRI_IMAGE_FORMAT_ABGR8888; break; case PIPE_FORMAT_B10G10R10X2_UNORM: image_format = __DRI_IMAGE_FORMAT_XRGB2101010; break; case PIPE_FORMAT_B10G10R10A2_UNORM: image_format = __DRI_IMAGE_FORMAT_ARGB2101010; break; case PIPE_FORMAT_R10G10B10X2_UNORM: image_format = __DRI_IMAGE_FORMAT_XBGR2101010; break; case PIPE_FORMAT_R10G10B10A2_UNORM: image_format = __DRI_IMAGE_FORMAT_ABGR2101010; break; default: image_format = __DRI_IMAGE_FORMAT_NONE; break; } } return (*sPriv->image.loader->getBuffers) (dPriv, image_format, (uint32_t *) &drawable->base.stamp, dPriv->loaderPrivate, buffer_mask, images); } static __DRIbuffer * dri2_allocate_buffer(__DRIscreen *sPriv, unsigned attachment, unsigned format, int width, int height) { struct dri_screen *screen = dri_screen(sPriv); struct dri2_buffer *buffer; struct pipe_resource templ; enum pipe_format pf; unsigned bind = 0; struct winsys_handle whandle; switch (attachment) { case __DRI_BUFFER_FRONT_LEFT: case __DRI_BUFFER_FAKE_FRONT_LEFT: bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; break; case __DRI_BUFFER_BACK_LEFT: bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; break; case __DRI_BUFFER_DEPTH: case __DRI_BUFFER_DEPTH_STENCIL: case __DRI_BUFFER_STENCIL: bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */ break; } /* because we get the handle and stride */ bind |= PIPE_BIND_SHARED; switch (format) { case 64: pf = PIPE_FORMAT_R16G16B16A16_FLOAT; break; case 48: pf = PIPE_FORMAT_R16G16B16X16_FLOAT; break; case 32: pf = PIPE_FORMAT_BGRA8888_UNORM; break; case 30: pf = PIPE_FORMAT_B10G10R10X2_UNORM; break; case 24: pf = PIPE_FORMAT_BGRX8888_UNORM; break; case 16: pf = PIPE_FORMAT_Z16_UNORM; break; default: return NULL; } buffer = CALLOC_STRUCT(dri2_buffer); if (!buffer) return NULL; memset(&templ, 0, sizeof(templ)); templ.bind = bind; templ.format = pf; templ.target = PIPE_TEXTURE_2D; templ.last_level = 0; templ.width0 = width; templ.height0 = height; templ.depth0 = 1; templ.array_size = 1; buffer->resource = screen->base.screen->resource_create(screen->base.screen, &templ); if (!buffer->resource) { FREE(buffer); return NULL; } memset(&whandle, 0, sizeof(whandle)); if (screen->can_share_buffer) whandle.type = WINSYS_HANDLE_TYPE_SHARED; else whandle.type = WINSYS_HANDLE_TYPE_KMS; screen->base.screen->resource_get_handle(screen->base.screen, NULL, buffer->resource, &whandle, PIPE_HANDLE_USAGE_EXPLICIT_FLUSH); buffer->base.attachment = attachment; buffer->base.name = whandle.handle; buffer->base.cpp = util_format_get_blocksize(pf); buffer->base.pitch = whandle.stride; return &buffer->base; } static void dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv) { struct dri2_buffer *buffer = dri2_buffer(bPriv); pipe_resource_reference(&buffer->resource, NULL); FREE(buffer); } /* * Backend functions for st_framebuffer interface. */ static void dri2_allocate_textures(struct dri_context *ctx, struct dri_drawable *drawable, const enum st_attachment_type *statts, unsigned statts_count) { __DRIscreen *sPriv = drawable->sPriv; __DRIdrawable *dri_drawable = drawable->dPriv; struct dri_screen *screen = dri_screen(sPriv); struct pipe_resource templ; boolean alloc_depthstencil = FALSE; unsigned i, j, bind; const __DRIimageLoaderExtension *image = sPriv->image.loader; /* Image specific variables */ struct __DRIimageList images; /* Dri2 specific variables */ __DRIbuffer *buffers = NULL; struct winsys_handle whandle; unsigned num_buffers = statts_count; assert(num_buffers <= __DRI_BUFFER_COUNT); /* First get the buffers from the loader */ if (image) { if (!dri_image_drawable_get_buffers(drawable, &images, statts, statts_count)) return; } else { buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers); if (!buffers || (drawable->old_num == num_buffers && drawable->old_w == dri_drawable->w && drawable->old_h == dri_drawable->h && memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * num_buffers) == 0)) return; } /* Second clean useless resources*/ /* See if we need a depth-stencil buffer. */ for (i = 0; i < statts_count; i++) { if (statts[i] == ST_ATTACHMENT_DEPTH_STENCIL) { alloc_depthstencil = TRUE; break; } } /* Delete the resources we won't need. */ for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { /* Don't delete the depth-stencil buffer, we can reuse it. */ if (i == ST_ATTACHMENT_DEPTH_STENCIL && alloc_depthstencil) continue; /* Flush the texture before unreferencing, so that other clients can * see what the driver has rendered. */ if (i != ST_ATTACHMENT_DEPTH_STENCIL && drawable->textures[i]) { struct pipe_context *pipe = ctx->st->pipe; pipe->flush_resource(pipe, drawable->textures[i]); } pipe_resource_reference(&drawable->textures[i], NULL); } if (drawable->stvis.samples > 1) { for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { boolean del = TRUE; /* Don't delete MSAA resources for the attachments which are enabled, * we can reuse them. */ for (j = 0; j < statts_count; j++) { if (i == statts[j]) { del = FALSE; break; } } if (del) { pipe_resource_reference(&drawable->msaa_textures[i], NULL); } } } /* Third use the buffers retrieved to fill the drawable info */ memset(&templ, 0, sizeof(templ)); templ.target = screen->target; templ.last_level = 0; templ.depth0 = 1; templ.array_size = 1; if (image) { if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) { struct pipe_resource **buf = &drawable->textures[ST_ATTACHMENT_FRONT_LEFT]; struct pipe_resource *texture = images.front->texture; dri_drawable->w = texture->width0; dri_drawable->h = texture->height0; pipe_resource_reference(buf, texture); } if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) { struct pipe_resource **buf = &drawable->textures[ST_ATTACHMENT_BACK_LEFT]; struct pipe_resource *texture = images.back->texture; dri_drawable->w = texture->width0; dri_drawable->h = texture->height0; pipe_resource_reference(buf, texture); } if (images.image_mask & __DRI_IMAGE_BUFFER_SHARED) { struct pipe_resource **buf = &drawable->textures[ST_ATTACHMENT_BACK_LEFT]; struct pipe_resource *texture = images.back->texture; dri_drawable->w = texture->width0; dri_drawable->h = texture->height0; pipe_resource_reference(buf, texture); ctx->is_shared_buffer_bound = true; } else { ctx->is_shared_buffer_bound = false; } /* Note: if there is both a back and a front buffer, * then they have the same size. */ templ.width0 = dri_drawable->w; templ.height0 = dri_drawable->h; } else { memset(&whandle, 0, sizeof(whandle)); /* Process DRI-provided buffers and get pipe_resources. */ for (i = 0; i < num_buffers; i++) { __DRIbuffer *buf = &buffers[i]; enum st_attachment_type statt; enum pipe_format format; switch (buf->attachment) { case __DRI_BUFFER_FRONT_LEFT: if (!screen->auto_fake_front) { continue; /* invalid attachment */ } FALLTHROUGH; case __DRI_BUFFER_FAKE_FRONT_LEFT: statt = ST_ATTACHMENT_FRONT_LEFT; break; case __DRI_BUFFER_BACK_LEFT: statt = ST_ATTACHMENT_BACK_LEFT; break; default: continue; /* invalid attachment */ } dri_drawable_get_format(drawable, statt, &format, &bind); if (format == PIPE_FORMAT_NONE) continue; /* dri2_drawable_get_buffers has already filled dri_drawable->w * and dri_drawable->h */ templ.width0 = dri_drawable->w; templ.height0 = dri_drawable->h; templ.format = format; templ.bind = bind; whandle.handle = buf->name; whandle.stride = buf->pitch; whandle.offset = 0; whandle.format = format; whandle.modifier = DRM_FORMAT_MOD_INVALID; if (screen->can_share_buffer) whandle.type = WINSYS_HANDLE_TYPE_SHARED; else whandle.type = WINSYS_HANDLE_TYPE_KMS; drawable->textures[statt] = screen->base.screen->resource_from_handle(screen->base.screen, &templ, &whandle, PIPE_HANDLE_USAGE_EXPLICIT_FLUSH); assert(drawable->textures[statt]); } } /* Allocate private MSAA colorbuffers. */ if (drawable->stvis.samples > 1) { for (i = 0; i < statts_count; i++) { enum st_attachment_type statt = statts[i]; if (statt == ST_ATTACHMENT_DEPTH_STENCIL) continue; if (drawable->textures[statt]) { templ.format = drawable->textures[statt]->format; templ.bind = drawable->textures[statt]->bind & ~(PIPE_BIND_SCANOUT | PIPE_BIND_SHARED); templ.nr_samples = drawable->stvis.samples; templ.nr_storage_samples = drawable->stvis.samples; /* Try to reuse the resource. * (the other resource parameters should be constant) */ if (!drawable->msaa_textures[statt] || drawable->msaa_textures[statt]->width0 != templ.width0 || drawable->msaa_textures[statt]->height0 != templ.height0) { /* Allocate a new one. */ pipe_resource_reference(&drawable->msaa_textures[statt], NULL); drawable->msaa_textures[statt] = screen->base.screen->resource_create(screen->base.screen, &templ); assert(drawable->msaa_textures[statt]); /* If there are any MSAA resources, we should initialize them * such that they contain the same data as the single-sample * resources we just got from the X server. * * The reason for this is that the gallium frontend (and * therefore the app) can access the MSAA resources only. * The single-sample resources are not exposed * to the gallium frontend. * */ dri_pipe_blit(ctx->st->pipe, drawable->msaa_textures[statt], drawable->textures[statt]); } } else { pipe_resource_reference(&drawable->msaa_textures[statt], NULL); } } } /* Allocate a private depth-stencil buffer. */ if (alloc_depthstencil) { enum st_attachment_type statt = ST_ATTACHMENT_DEPTH_STENCIL; struct pipe_resource **zsbuf; enum pipe_format format; unsigned bind; dri_drawable_get_format(drawable, statt, &format, &bind); if (format) { templ.format = format; templ.bind = bind & ~PIPE_BIND_SHARED; if (drawable->stvis.samples > 1) { templ.nr_samples = drawable->stvis.samples; templ.nr_storage_samples = drawable->stvis.samples; zsbuf = &drawable->msaa_textures[statt]; } else { templ.nr_samples = 0; templ.nr_storage_samples = 0; zsbuf = &drawable->textures[statt]; } /* Try to reuse the resource. * (the other resource parameters should be constant) */ if (!*zsbuf || (*zsbuf)->width0 != templ.width0 || (*zsbuf)->height0 != templ.height0) { /* Allocate a new one. */ pipe_resource_reference(zsbuf, NULL); *zsbuf = screen->base.screen->resource_create(screen->base.screen, &templ); assert(*zsbuf); } } else { pipe_resource_reference(&drawable->msaa_textures[statt], NULL); pipe_resource_reference(&drawable->textures[statt], NULL); } } /* For DRI2, we may get the same buffers again from the server. * To prevent useless imports of gem names, drawable->old* is used * to bypass the import if we get the same buffers. This doesn't apply * to DRI3/Wayland, users of image.loader, since the buffer is managed * by the client (no import), and the back buffer is going to change * at every redraw. */ if (!image) { drawable->old_num = num_buffers; drawable->old_w = dri_drawable->w; drawable->old_h = dri_drawable->h; memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * num_buffers); } } static bool dri2_flush_frontbuffer(struct dri_context *ctx, struct dri_drawable *drawable, enum st_attachment_type statt) { __DRIdrawable *dri_drawable = drawable->dPriv; const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader; const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader; const __DRImutableRenderBufferLoaderExtension *shared_buffer_loader = drawable->sPriv->mutableRenderBuffer.loader; struct pipe_context *pipe = ctx->st->pipe; struct pipe_fence_handle *fence = NULL; int fence_fd = -1; /* We need to flush for front buffer rendering when either we're using the * front buffer at the GL API level, or when EGL_KHR_mutable_render_buffer * has redirected GL_BACK to the front buffer. */ if (statt != ST_ATTACHMENT_FRONT_LEFT && (!ctx->is_shared_buffer_bound || statt != ST_ATTACHMENT_BACK_LEFT)) return false; if (drawable->stvis.samples > 1) { /* Resolve the buffer used for front rendering. */ dri_pipe_blit(ctx->st->pipe, drawable->textures[statt], drawable->msaa_textures[statt]); } if (drawable->textures[statt]) { pipe->flush_resource(pipe, drawable->textures[statt]); } if (ctx->is_shared_buffer_bound) { /* is_shared_buffer_bound should only be true with image extension: */ assert(image); pipe->flush(pipe, &fence, PIPE_FLUSH_FENCE_FD); } else { pipe->flush(pipe, NULL, 0); } if (image) { image->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); if (ctx->is_shared_buffer_bound) { if (fence) fence_fd = pipe->screen->fence_get_fd(pipe->screen, fence); shared_buffer_loader->displaySharedBuffer(dri_drawable, fence_fd, dri_drawable->loaderPrivate); pipe->screen->fence_reference(pipe->screen, &fence, NULL); } } else if (loader->flushFrontBuffer) { loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); } return true; } /** * The struct dri_drawable flush_swapbuffers callback */ static void dri2_flush_swapbuffers(struct dri_context *ctx, struct dri_drawable *drawable) { __DRIdrawable *dri_drawable = drawable->dPriv; const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader; if (image && image->base.version >= 3 && image->flushSwapBuffers) { image->flushSwapBuffers(dri_drawable, dri_drawable->loaderPrivate); } } static void dri2_update_tex_buffer(struct dri_drawable *drawable, struct dri_context *ctx, struct pipe_resource *res) { /* no-op */ } static const struct dri2_format_mapping r8_g8b8_mapping = { DRM_FORMAT_NV12, __DRI_IMAGE_FORMAT_NONE, __DRI_IMAGE_COMPONENTS_Y_UV, PIPE_FORMAT_R8_G8B8_420_UNORM, 2, { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8 }, { 1, 1, 1, __DRI_IMAGE_FORMAT_GR88 } } }; static const struct dri2_format_mapping r8g8_r8b8_mapping = { DRM_FORMAT_YUYV, __DRI_IMAGE_FORMAT_NONE, __DRI_IMAGE_COMPONENTS_Y_XUXV, PIPE_FORMAT_R8G8_R8B8_UNORM, 2, { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88 }, { 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888 } } }; static const struct dri2_format_mapping g8r8_b8r8_mapping = { DRM_FORMAT_UYVY, __DRI_IMAGE_FORMAT_NONE, __DRI_IMAGE_COMPONENTS_Y_XUXV, PIPE_FORMAT_G8R8_B8R8_UNORM, 2, { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88 }, { 0, 1, 0, __DRI_IMAGE_FORMAT_ABGR8888 } } }; static __DRIimage * dri2_create_image_from_winsys(__DRIscreen *_screen, int width, int height, const struct dri2_format_mapping *map, int num_handles, struct winsys_handle *whandle, bool is_protected_content, void *loaderPrivate) { struct dri_screen *screen = dri_screen(_screen); struct pipe_screen *pscreen = screen->base.screen; __DRIimage *img; struct pipe_resource templ; unsigned tex_usage = 0; int i; bool use_lowered = false; const unsigned format_planes = util_format_get_num_planes(map->pipe_format); if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0, PIPE_BIND_RENDER_TARGET)) tex_usage |= PIPE_BIND_RENDER_TARGET; if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) tex_usage |= PIPE_BIND_SAMPLER_VIEW; /* For NV12, see if we have support for sampling r8_b8g8 */ if (!tex_usage && map->pipe_format == PIPE_FORMAT_NV12 && pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8_G8B8_420_UNORM, screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) { map = &r8_g8b8_mapping; tex_usage |= PIPE_BIND_SAMPLER_VIEW; } /* If the hardware supports R8G8_R8B8 style subsampled RGB formats, these * can be used for YUYV and UYVY formats. */ if (!tex_usage && map->pipe_format == PIPE_FORMAT_YUYV && pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8G8_R8B8_UNORM, screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) { map = &r8g8_r8b8_mapping; tex_usage |= PIPE_BIND_SAMPLER_VIEW; } if (!tex_usage && map->pipe_format == PIPE_FORMAT_UYVY && pscreen->is_format_supported(pscreen, PIPE_FORMAT_G8R8_B8R8_UNORM, screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) { map = &g8r8_b8r8_mapping; tex_usage |= PIPE_BIND_SAMPLER_VIEW; } if (!tex_usage && util_format_is_yuv(map->pipe_format)) { /* YUV format sampling can be emulated by the GL gallium frontend by * using multiple samplers of varying formats. * If no tex_usage is set and we detect a YUV format, * test for support of all planes' sampler formats and * add sampler view usage. */ use_lowered = true; if (dri2_yuv_dma_buf_supported(screen, map)) tex_usage |= PIPE_BIND_SAMPLER_VIEW; } if (!tex_usage) return NULL; if (is_protected_content) tex_usage |= PIPE_BIND_PROTECTED; img = CALLOC_STRUCT(__DRIimageRec); if (!img) return NULL; memset(&templ, 0, sizeof(templ)); templ.bind = tex_usage; templ.target = screen->target; templ.last_level = 0; templ.depth0 = 1; templ.array_size = 1; for (i = num_handles - 1; i >= format_planes; i--) { struct pipe_resource *tex; templ.next = img->texture; tex = pscreen->resource_from_handle(pscreen, &templ, &whandle[i], PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE); if (!tex) { pipe_resource_reference(&img->texture, NULL); FREE(img); return NULL; } img->texture = tex; } for (i = (use_lowered ? map->nplanes : format_planes) - 1; i >= 0; i--) { struct pipe_resource *tex; templ.next = img->texture; templ.width0 = width >> map->planes[i].width_shift; templ.height0 = height >> map->planes[i].height_shift; if (use_lowered) templ.format = dri2_get_pipe_format_for_dri_format(map->planes[i].dri_format); else templ.format = map->pipe_format; assert(templ.format != PIPE_FORMAT_NONE); tex = pscreen->resource_from_handle(pscreen, &templ, &whandle[use_lowered ? map->planes[i].buffer_index : i], PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE); if (!tex) { pipe_resource_reference(&img->texture, NULL); FREE(img); return NULL; } /* Reject image creation if there's an inconsistency between * content protection status of tex and img. */ const struct driOptionCache *optionCache = &screen->dev->option_cache; if (!driQueryOptionb(optionCache, "disable_protected_content_check") && (bool)(tex->bind & PIPE_BIND_PROTECTED) != is_protected_content) { pipe_resource_reference(&img->texture, NULL); pipe_resource_reference(&tex, NULL); FREE(img); return NULL; } img->texture = tex; } img->level = 0; img->layer = 0; img->use = 0; img->loader_private = loaderPrivate; img->sPriv = _screen; return img; } static __DRIimage * dri2_create_image_from_name(__DRIscreen *_screen, int width, int height, int format, int name, int pitch, void *loaderPrivate) { const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format); struct winsys_handle whandle; __DRIimage *img; if (!map) return NULL; memset(&whandle, 0, sizeof(whandle)); whandle.type = WINSYS_HANDLE_TYPE_SHARED; whandle.handle = name; whandle.format = map->pipe_format; whandle.modifier = DRM_FORMAT_MOD_INVALID; whandle.stride = pitch * util_format_get_blocksize(map->pipe_format); img = dri2_create_image_from_winsys(_screen, width, height, map, 1, &whandle, false, loaderPrivate); if (!img) return NULL; img->dri_components = map->dri_components; img->dri_fourcc = map->dri_fourcc; img->dri_format = map->dri_format; return img; } static unsigned dri2_get_modifier_num_planes(__DRIscreen *_screen, uint64_t modifier, int fourcc) { struct pipe_screen *pscreen = dri_screen(_screen)->base.screen; const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc); if (!map) return 0; switch (modifier) { case DRM_FORMAT_MOD_LINEAR: /* DRM_FORMAT_MOD_NONE is the same as LINEAR */ case DRM_FORMAT_MOD_INVALID: return util_format_get_num_planes(map->pipe_format); default: if (!pscreen->is_dmabuf_modifier_supported || !pscreen->is_dmabuf_modifier_supported(pscreen, modifier, map->pipe_format, NULL)) { return 0; } if (pscreen->get_dmabuf_modifier_planes) { return pscreen->get_dmabuf_modifier_planes(pscreen, modifier, map->pipe_format); } return map->nplanes; } } static __DRIimage * dri2_create_image_from_fd(__DRIscreen *_screen, int width, int height, int fourcc, uint64_t modifier, int *fds, int num_fds, int *strides, int *offsets, bool protected_content, unsigned *error, void *loaderPrivate) { struct winsys_handle whandles[4]; const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc); __DRIimage *img = NULL; unsigned err = __DRI_IMAGE_ERROR_SUCCESS; int i; const int expected_num_fds = dri2_get_modifier_num_planes(_screen, modifier, fourcc); if (!map || expected_num_fds == 0) { err = __DRI_IMAGE_ERROR_BAD_MATCH; goto exit; } if (num_fds != expected_num_fds) { err = __DRI_IMAGE_ERROR_BAD_MATCH; goto exit; } memset(whandles, 0, sizeof(whandles)); for (i = 0; i < num_fds; i++) { if (fds[i] < 0) { err = __DRI_IMAGE_ERROR_BAD_ALLOC; goto exit; } whandles[i].type = WINSYS_HANDLE_TYPE_FD; whandles[i].handle = (unsigned)fds[i]; whandles[i].stride = (unsigned)strides[i]; whandles[i].offset = (unsigned)offsets[i]; whandles[i].format = map->pipe_format; whandles[i].modifier = modifier; whandles[i].plane = i; } img = dri2_create_image_from_winsys(_screen, width, height, map, num_fds, whandles, protected_content, loaderPrivate); if(img == NULL) { err = __DRI_IMAGE_ERROR_BAD_ALLOC; goto exit; } img->dri_components = map->dri_components; img->dri_fourcc = fourcc; img->dri_format = map->dri_format; img->imported_dmabuf = TRUE; exit: if (error) *error = err; return img; } static __DRIimage * dri2_create_image_common(__DRIscreen *_screen, int width, int height, int format, unsigned int use, const uint64_t *modifiers, const unsigned count, void *loaderPrivate) { const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format); struct dri_screen *screen = dri_screen(_screen); struct pipe_screen *pscreen = screen->base.screen; __DRIimage *img; struct pipe_resource templ; unsigned tex_usage = 0; if (!map) return NULL; if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0, PIPE_BIND_RENDER_TARGET)) tex_usage |= PIPE_BIND_RENDER_TARGET; if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) tex_usage |= PIPE_BIND_SAMPLER_VIEW; if (!tex_usage) return NULL; if (use & __DRI_IMAGE_USE_SCANOUT) tex_usage |= PIPE_BIND_SCANOUT; if (use & __DRI_IMAGE_USE_SHARE) tex_usage |= PIPE_BIND_SHARED; if (use & __DRI_IMAGE_USE_LINEAR) tex_usage |= PIPE_BIND_LINEAR; if (use & __DRI_IMAGE_USE_CURSOR) { if (width != 64 || height != 64) return NULL; tex_usage |= PIPE_BIND_CURSOR; } if (use & __DRI_IMAGE_USE_PROTECTED) tex_usage |= PIPE_BIND_PROTECTED; img = CALLOC_STRUCT(__DRIimageRec); if (!img) return NULL; memset(&templ, 0, sizeof(templ)); templ.bind = tex_usage; templ.format = map->pipe_format; templ.target = PIPE_TEXTURE_2D; templ.last_level = 0; templ.width0 = width; templ.height0 = height; templ.depth0 = 1; templ.array_size = 1; if (modifiers) img->texture = screen->base.screen ->resource_create_with_modifiers(screen->base.screen, &templ, modifiers, count); else img->texture = screen->base.screen->resource_create(screen->base.screen, &templ); if (!img->texture) { FREE(img); return NULL; } img->level = 0; img->layer = 0; img->dri_format = format; img->dri_fourcc = map->dri_fourcc; img->dri_components = 0; img->use = use; img->loader_private = loaderPrivate; img->sPriv = _screen; return img; } static __DRIimage * dri2_create_image(__DRIscreen *_screen, int width, int height, int format, unsigned int use, void *loaderPrivate) { return dri2_create_image_common(_screen, width, height, format, use, NULL /* modifiers */, 0 /* count */, loaderPrivate); } static __DRIimage * dri2_create_image_with_modifiers(__DRIscreen *dri_screen, int width, int height, int format, const uint64_t *modifiers, const unsigned count, void *loaderPrivate) { return dri2_create_image_common(dri_screen, width, height, format, __DRI_IMAGE_USE_SHARE, modifiers, count, loaderPrivate); } static __DRIimage * dri2_create_image_with_modifiers2(__DRIscreen *dri_screen, int width, int height, int format, const uint64_t *modifiers, const unsigned count, unsigned int use, void *loaderPrivate) { return dri2_create_image_common(dri_screen, width, height, format, use, modifiers, count, loaderPrivate); } static bool dri2_query_image_common(__DRIimage *image, int attrib, int *value) { switch (attrib) { case __DRI_IMAGE_ATTRIB_FORMAT: *value = image->dri_format; return true; case __DRI_IMAGE_ATTRIB_WIDTH: *value = image->texture->width0; return true; case __DRI_IMAGE_ATTRIB_HEIGHT: *value = image->texture->height0; return true; case __DRI_IMAGE_ATTRIB_COMPONENTS: if (image->dri_components == 0) return false; *value = image->dri_components; return true; case __DRI_IMAGE_ATTRIB_FOURCC: if (image->dri_fourcc) { *value = image->dri_fourcc; } else { const struct dri2_format_mapping *map; map = dri2_get_mapping_by_format(image->dri_format); if (!map) return false; *value = map->dri_fourcc; } return true; default: return false; } } static bool dri2_query_image_by_resource_handle(__DRIimage *image, int attrib, int *value) { struct pipe_screen *pscreen = image->texture->screen; struct winsys_handle whandle; struct pipe_resource *tex; unsigned usage; memset(&whandle, 0, sizeof(whandle)); whandle.plane = image->plane; int i; switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: case __DRI_IMAGE_ATTRIB_OFFSET: case __DRI_IMAGE_ATTRIB_HANDLE: whandle.type = WINSYS_HANDLE_TYPE_KMS; break; case __DRI_IMAGE_ATTRIB_NAME: whandle.type = WINSYS_HANDLE_TYPE_SHARED; break; case __DRI_IMAGE_ATTRIB_FD: whandle.type = WINSYS_HANDLE_TYPE_FD; break; case __DRI_IMAGE_ATTRIB_NUM_PLANES: for (i = 0, tex = image->texture; tex; tex = tex->next) i++; *value = i; return true; case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER: case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER: whandle.type = WINSYS_HANDLE_TYPE_KMS; whandle.modifier = DRM_FORMAT_MOD_INVALID; break; default: return false; } usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE; if (image->use & __DRI_IMAGE_USE_BACKBUFFER) usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH; if (!pscreen->resource_get_handle(pscreen, NULL, image->texture, &whandle, usage)) return false; switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: *value = whandle.stride; return true; case __DRI_IMAGE_ATTRIB_OFFSET: *value = whandle.offset; return true; case __DRI_IMAGE_ATTRIB_HANDLE: case __DRI_IMAGE_ATTRIB_NAME: case __DRI_IMAGE_ATTRIB_FD: *value = whandle.handle; return true; case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER: if (whandle.modifier == DRM_FORMAT_MOD_INVALID) return false; *value = (whandle.modifier >> 32) & 0xffffffff; return true; case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER: if (whandle.modifier == DRM_FORMAT_MOD_INVALID) return false; *value = whandle.modifier & 0xffffffff; return true; default: return false; } } static bool dri2_resource_get_param(__DRIimage *image, enum pipe_resource_param param, unsigned handle_usage, uint64_t *value) { struct pipe_screen *pscreen = image->texture->screen; if (!pscreen->resource_get_param) return false; if (image->use & __DRI_IMAGE_USE_BACKBUFFER) handle_usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH; return pscreen->resource_get_param(pscreen, NULL, image->texture, image->plane, 0, 0, param, handle_usage, value); } static bool dri2_query_image_by_resource_param(__DRIimage *image, int attrib, int *value) { enum pipe_resource_param param; uint64_t res_param; unsigned handle_usage; if (!image->texture->screen->resource_get_param) return false; switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: param = PIPE_RESOURCE_PARAM_STRIDE; break; case __DRI_IMAGE_ATTRIB_OFFSET: param = PIPE_RESOURCE_PARAM_OFFSET; break; case __DRI_IMAGE_ATTRIB_NUM_PLANES: param = PIPE_RESOURCE_PARAM_NPLANES; break; case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER: case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER: param = PIPE_RESOURCE_PARAM_MODIFIER; break; case __DRI_IMAGE_ATTRIB_HANDLE: param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS; break; case __DRI_IMAGE_ATTRIB_NAME: param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED; break; case __DRI_IMAGE_ATTRIB_FD: param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD; break; default: return false; } handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE; if (!dri2_resource_get_param(image, param, handle_usage, &res_param)) return false; switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: case __DRI_IMAGE_ATTRIB_OFFSET: case __DRI_IMAGE_ATTRIB_NUM_PLANES: if (res_param > INT_MAX) return false; *value = (int)res_param; return true; case __DRI_IMAGE_ATTRIB_HANDLE: case __DRI_IMAGE_ATTRIB_NAME: case __DRI_IMAGE_ATTRIB_FD: if (res_param > UINT_MAX) return false; *value = (int)res_param; return true; case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER: if (res_param == DRM_FORMAT_MOD_INVALID) return false; *value = (res_param >> 32) & 0xffffffff; return true; case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER: if (res_param == DRM_FORMAT_MOD_INVALID) return false; *value = res_param & 0xffffffff; return true; default: return false; } } static GLboolean dri2_query_image(__DRIimage *image, int attrib, int *value) { if (dri2_query_image_common(image, attrib, value)) return GL_TRUE; else if (dri2_query_image_by_resource_param(image, attrib, value)) return GL_TRUE; else if (dri2_query_image_by_resource_handle(image, attrib, value)) return GL_TRUE; else return GL_FALSE; } static __DRIimage * dri2_dup_image(__DRIimage *image, void *loaderPrivate) { __DRIimage *img; img = CALLOC_STRUCT(__DRIimageRec); if (!img) return NULL; img->texture = NULL; pipe_resource_reference(&img->texture, image->texture); img->level = image->level; img->layer = image->layer; img->dri_format = image->dri_format; /* This should be 0 for sub images, but dup is also used for base images. */ img->dri_components = image->dri_components; img->use = image->use; img->loader_private = loaderPrivate; img->sPriv = image->sPriv; return img; } static GLboolean dri2_validate_usage(__DRIimage *image, unsigned int use) { if (!image || !image->texture) return false; struct pipe_screen *screen = image->texture->screen; if (!screen->check_resource_capability) return true; /* We don't want to check these: * __DRI_IMAGE_USE_SHARE (all images are shareable) * __DRI_IMAGE_USE_BACKBUFFER (all images support this) */ unsigned bind = 0; if (use & __DRI_IMAGE_USE_SCANOUT) bind |= PIPE_BIND_SCANOUT; if (use & __DRI_IMAGE_USE_LINEAR) bind |= PIPE_BIND_LINEAR; if (use & __DRI_IMAGE_USE_CURSOR) bind |= PIPE_BIND_CURSOR; if (!bind) return true; return screen->check_resource_capability(screen, image->texture, bind); } static __DRIimage * dri2_from_names(__DRIscreen *screen, int width, int height, int format, int *names, int num_names, int *strides, int *offsets, void *loaderPrivate) { const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format); __DRIimage *img; struct winsys_handle whandle; if (!map) return NULL; if (num_names != 1) return NULL; memset(&whandle, 0, sizeof(whandle)); whandle.type = WINSYS_HANDLE_TYPE_SHARED; whandle.handle = names[0]; whandle.stride = strides[0]; whandle.offset = offsets[0]; whandle.format = map->pipe_format; whandle.modifier = DRM_FORMAT_MOD_INVALID; img = dri2_create_image_from_winsys(screen, width, height, map, 1, &whandle, false, loaderPrivate); if (img == NULL) return NULL; img->dri_components = map->dri_components; img->dri_fourcc = map->dri_fourcc; img->dri_format = map->pipe_format; return img; } static __DRIimage * dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate) { __DRIimage *img; if (plane < 0) { return NULL; } else if (plane > 0) { uint64_t planes; if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_NPLANES, 0, &planes) || plane >= planes) { return NULL; } } if (image->dri_components == 0) { uint64_t modifier; if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_MODIFIER, 0, &modifier) || modifier == DRM_FORMAT_MOD_INVALID) { return NULL; } } img = dri2_dup_image(image, loaderPrivate); if (img == NULL) return NULL; if (img->texture->screen->resource_changed) img->texture->screen->resource_changed(img->texture->screen, img->texture); /* set this to 0 for sub images. */ img->dri_components = 0; img->plane = plane; return img; } static __DRIimage * dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc, int *fds, int num_fds, int *strides, int *offsets, void *loaderPrivate) { return dri2_create_image_from_fd(screen, width, height, fourcc, DRM_FORMAT_MOD_INVALID, fds, num_fds, strides, offsets, false, NULL, loaderPrivate); } static boolean dri2_query_dma_buf_modifiers(__DRIscreen *_screen, int fourcc, int max, uint64_t *modifiers, unsigned int *external_only, int *count) { struct dri_screen *screen = dri_screen(_screen); struct pipe_screen *pscreen = screen->base.screen; const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc); enum pipe_format format; if (!map) return false; format = map->pipe_format; bool native_sampling = pscreen->is_format_supported(pscreen, format, screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW); if (pscreen->is_format_supported(pscreen, format, screen->target, 0, 0, PIPE_BIND_RENDER_TARGET) || native_sampling || dri2_yuv_dma_buf_supported(screen, map)) { if (pscreen->query_dmabuf_modifiers != NULL) { pscreen->query_dmabuf_modifiers(pscreen, format, max, modifiers, external_only, count); if (!native_sampling && external_only) { /* To support it using YUV lowering, we need it to be samplerExternalOES. */ for (int i = 0; i < *count; i++) external_only[i] = true; } } else { *count = 0; } return true; } return false; } static boolean dri2_query_dma_buf_format_modifier_attribs(__DRIscreen *_screen, uint32_t fourcc, uint64_t modifier, int attrib, uint64_t *value) { struct dri_screen *screen = dri_screen(_screen); struct pipe_screen *pscreen = screen->base.screen; if (!pscreen->query_dmabuf_modifiers) return false; switch (attrib) { case __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT: { uint64_t mod_planes = dri2_get_modifier_num_planes(_screen, modifier, fourcc); if (mod_planes > 0) *value = mod_planes; return mod_planes > 0; } default: return false; } } static __DRIimage * dri2_from_dma_bufs(__DRIscreen *screen, int width, int height, int fourcc, int *fds, int num_fds, int *strides, int *offsets, enum __DRIYUVColorSpace yuv_color_space, enum __DRISampleRange sample_range, enum __DRIChromaSiting horizontal_siting, enum __DRIChromaSiting vertical_siting, unsigned *error, void *loaderPrivate) { __DRIimage *img; img = dri2_create_image_from_fd(screen, width, height, fourcc, DRM_FORMAT_MOD_INVALID, fds, num_fds, strides, offsets, false, error, loaderPrivate); if (img == NULL) return NULL; img->yuv_color_space = yuv_color_space; img->sample_range = sample_range; img->horizontal_siting = horizontal_siting; img->vertical_siting = vertical_siting; *error = __DRI_IMAGE_ERROR_SUCCESS; return img; } static __DRIimage * dri2_from_dma_bufs2(__DRIscreen *screen, int width, int height, int fourcc, uint64_t modifier, int *fds, int num_fds, int *strides, int *offsets, enum __DRIYUVColorSpace yuv_color_space, enum __DRISampleRange sample_range, enum __DRIChromaSiting horizontal_siting, enum __DRIChromaSiting vertical_siting, unsigned *error, void *loaderPrivate) { __DRIimage *img; img = dri2_create_image_from_fd(screen, width, height, fourcc, modifier, fds, num_fds, strides, offsets, false, error, loaderPrivate); if (img == NULL) return NULL; img->yuv_color_space = yuv_color_space; img->sample_range = sample_range; img->horizontal_siting = horizontal_siting; img->vertical_siting = vertical_siting; *error = __DRI_IMAGE_ERROR_SUCCESS; return img; } static __DRIimage * dri2_from_dma_bufs3(__DRIscreen *screen, int width, int height, int fourcc, uint64_t modifier, int *fds, int num_fds, int *strides, int *offsets, enum __DRIYUVColorSpace yuv_color_space, enum __DRISampleRange sample_range, enum __DRIChromaSiting horizontal_siting, enum __DRIChromaSiting vertical_siting, uint32_t flags, unsigned *error, void *loaderPrivate) { __DRIimage *img; img = dri2_create_image_from_fd(screen, width, height, fourcc, modifier, fds, num_fds, strides, offsets, flags & __DRI_IMAGE_PROTECTED_CONTENT_FLAG, error, loaderPrivate); if (img == NULL) return NULL; img->yuv_color_space = yuv_color_space; img->sample_range = sample_range; img->horizontal_siting = horizontal_siting; img->vertical_siting = vertical_siting; *error = __DRI_IMAGE_ERROR_SUCCESS; return img; } static void dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src, int dstx0, int dsty0, int dstwidth, int dstheight, int srcx0, int srcy0, int srcwidth, int srcheight, int flush_flag) { struct dri_context *ctx = dri_context(context); struct pipe_context *pipe = ctx->st->pipe; struct pipe_screen *screen; struct pipe_fence_handle *fence; struct pipe_blit_info blit; if (!dst || !src) return; memset(&blit, 0, sizeof(blit)); blit.dst.resource = dst->texture; blit.dst.box.x = dstx0; blit.dst.box.y = dsty0; blit.dst.box.width = dstwidth; blit.dst.box.height = dstheight; blit.dst.box.depth = 1; blit.dst.format = dst->texture->format; blit.src.resource = src->texture; blit.src.box.x = srcx0; blit.src.box.y = srcy0; blit.src.box.width = srcwidth; blit.src.box.height = srcheight; blit.src.box.depth = 1; blit.src.format = src->texture->format; blit.mask = PIPE_MASK_RGBA; blit.filter = PIPE_TEX_FILTER_NEAREST; blit.is_dri_blit_image = true; pipe->blit(pipe, &blit); if (flush_flag == __BLIT_FLAG_FLUSH) { pipe->flush_resource(pipe, dst->texture); ctx->st->flush(ctx->st, 0, NULL, NULL, NULL); } else if (flush_flag == __BLIT_FLAG_FINISH) { screen = dri_screen(ctx->sPriv)->base.screen; pipe->flush_resource(pipe, dst->texture); ctx->st->flush(ctx->st, 0, &fence, NULL, NULL); (void) screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE); screen->fence_reference(screen, &fence, NULL); } } static void * dri2_map_image(__DRIcontext *context, __DRIimage *image, int x0, int y0, int width, int height, unsigned int flags, int *stride, void **data) { struct dri_context *ctx = dri_context(context); struct pipe_context *pipe = ctx->st->pipe; enum pipe_map_flags pipe_access = 0; struct pipe_transfer *trans; void *map; if (!image || !data || *data) return NULL; unsigned plane = image->plane; if (plane >= dri2_get_mapping_by_format(image->dri_format)->nplanes) return NULL; struct pipe_resource *resource = image->texture; while (plane--) resource = resource->next; if (flags & __DRI_IMAGE_TRANSFER_READ) pipe_access |= PIPE_MAP_READ; if (flags & __DRI_IMAGE_TRANSFER_WRITE) pipe_access |= PIPE_MAP_WRITE; map = pipe_texture_map(pipe, resource, 0, 0, pipe_access, x0, y0, width, height, &trans); if (map) { *data = trans; *stride = trans->stride; } return map; } static void dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data) { struct dri_context *ctx = dri_context(context); struct pipe_context *pipe = ctx->st->pipe; pipe_texture_unmap(pipe, (struct pipe_transfer *)data); } static int dri2_get_capabilities(__DRIscreen *_screen) { struct dri_screen *screen = dri_screen(_screen); return (screen->can_share_buffer ? __DRI_IMAGE_CAP_GLOBAL_NAMES : 0); } /* The extension is modified during runtime if DRI_PRIME is detected */ static const __DRIimageExtension dri2ImageExtensionTempl = { .base = { __DRI_IMAGE, 19 }, .createImageFromName = dri2_create_image_from_name, .createImageFromRenderbuffer = dri2_create_image_from_renderbuffer, .destroyImage = dri2_destroy_image, .createImage = dri2_create_image, .queryImage = dri2_query_image, .dupImage = dri2_dup_image, .validateUsage = dri2_validate_usage, .createImageFromNames = dri2_from_names, .fromPlanar = dri2_from_planar, .createImageFromTexture = dri2_create_from_texture, .createImageFromFds = NULL, .createImageFromDmaBufs = NULL, .blitImage = dri2_blit_image, .getCapabilities = dri2_get_capabilities, .mapImage = dri2_map_image, .unmapImage = dri2_unmap_image, .createImageWithModifiers = NULL, .createImageFromDmaBufs2 = NULL, .createImageFromDmaBufs3 = NULL, .queryDmaBufFormats = NULL, .queryDmaBufModifiers = NULL, .queryDmaBufFormatModifierAttribs = NULL, .createImageFromRenderbuffer2 = dri2_create_image_from_renderbuffer2, .createImageWithModifiers2 = NULL, }; static const __DRIrobustnessExtension dri2Robustness = { .base = { __DRI2_ROBUSTNESS, 1 } }; static int dri2_interop_query_device_info(__DRIcontext *_ctx, struct mesa_glinterop_device_info *out) { struct pipe_screen *screen = dri_context(_ctx)->st->pipe->screen; /* There is no version 0, thus we do not support it */ if (out->version == 0) return MESA_GLINTEROP_INVALID_VERSION; out->pci_segment_group = screen->get_param(screen, PIPE_CAP_PCI_GROUP); out->pci_bus = screen->get_param(screen, PIPE_CAP_PCI_BUS); out->pci_device = screen->get_param(screen, PIPE_CAP_PCI_DEVICE); out->pci_function = screen->get_param(screen, PIPE_CAP_PCI_FUNCTION); out->vendor_id = screen->get_param(screen, PIPE_CAP_VENDOR_ID); out->device_id = screen->get_param(screen, PIPE_CAP_DEVICE_ID); /* Instruct the caller that we support up-to version one of the interface */ out->version = 1; return MESA_GLINTEROP_SUCCESS; } static int dri2_interop_export_object(__DRIcontext *_ctx, struct mesa_glinterop_export_in *in, struct mesa_glinterop_export_out *out) { struct st_context_iface *st = dri_context(_ctx)->st; struct pipe_screen *screen = st->pipe->screen; struct gl_context *ctx = ((struct st_context *)st)->ctx; struct pipe_resource *res = NULL; struct winsys_handle whandle; unsigned target, usage; boolean success; /* There is no version 0, thus we do not support it */ if (in->version == 0 || out->version == 0) return MESA_GLINTEROP_INVALID_VERSION; /* Validate the target. */ switch (in->target) { case GL_TEXTURE_BUFFER: case GL_TEXTURE_1D: case GL_TEXTURE_2D: case GL_TEXTURE_3D: case GL_TEXTURE_RECTANGLE: case GL_TEXTURE_1D_ARRAY: case GL_TEXTURE_2D_ARRAY: case GL_TEXTURE_CUBE_MAP_ARRAY: case GL_TEXTURE_CUBE_MAP: case GL_TEXTURE_2D_MULTISAMPLE: case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: case GL_TEXTURE_EXTERNAL_OES: case GL_RENDERBUFFER: case GL_ARRAY_BUFFER: target = in->target; break; case GL_TEXTURE_CUBE_MAP_POSITIVE_X: case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: target = GL_TEXTURE_CUBE_MAP; break; default: return MESA_GLINTEROP_INVALID_TARGET; } /* Validate the simple case of miplevel. */ if ((target == GL_RENDERBUFFER || target == GL_ARRAY_BUFFER) && in->miplevel != 0) return MESA_GLINTEROP_INVALID_MIP_LEVEL; /* Validate the OpenGL object and get pipe_resource. */ simple_mtx_lock(&ctx->Shared->Mutex); if (target == GL_ARRAY_BUFFER) { /* Buffer objects. * * The error checking is based on the documentation of * clCreateFromGLBuffer from OpenCL 2.0 SDK. */ struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, in->obj); /* From OpenCL 2.0 SDK, clCreateFromGLBuffer: * "CL_INVALID_GL_OBJECT if bufobj is not a GL buffer object or is * a GL buffer object but does not have an existing data store or * the size of the buffer is 0." */ if (!buf || buf->Size == 0) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OBJECT; } res = st_buffer_object(buf)->buffer; if (!res) { /* this shouldn't happen */ simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OBJECT; } out->buf_offset = 0; out->buf_size = buf->Size; buf->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE; } else if (target == GL_RENDERBUFFER) { /* Renderbuffers. * * The error checking is based on the documentation of * clCreateFromGLRenderbuffer from OpenCL 2.0 SDK. */ struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, in->obj); /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer: * "CL_INVALID_GL_OBJECT if renderbuffer is not a GL renderbuffer * object or if the width or height of renderbuffer is zero." */ if (!rb || rb->Width == 0 || rb->Height == 0) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OBJECT; } /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer: * "CL_INVALID_OPERATION if renderbuffer is a multi-sample GL * renderbuffer object." */ if (rb->NumSamples > 1) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OPERATION; } /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer: * "CL_OUT_OF_RESOURCES if there is a failure to allocate resources * required by the OpenCL implementation on the device." */ res = st_renderbuffer(rb)->texture; if (!res) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_OUT_OF_RESOURCES; } out->internal_format = rb->InternalFormat; out->view_minlevel = 0; out->view_numlevels = 1; out->view_minlayer = 0; out->view_numlayers = 1; } else { /* Texture objects. * * The error checking is based on the documentation of * clCreateFromGLTexture from OpenCL 2.0 SDK. */ struct gl_texture_object *obj = _mesa_lookup_texture(ctx, in->obj); if (obj) _mesa_test_texobj_completeness(ctx, obj); /* From OpenCL 2.0 SDK, clCreateFromGLTexture: * "CL_INVALID_GL_OBJECT if texture is not a GL texture object whose * type matches texture_target, if the specified miplevel of texture * is not defined, or if the width or height of the specified * miplevel is zero or if the GL texture object is incomplete." */ if (!obj || obj->Target != target || !obj->_BaseComplete || (in->miplevel > 0 && !obj->_MipmapComplete)) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OBJECT; } if (target == GL_TEXTURE_BUFFER) { struct st_buffer_object *stBuf = st_buffer_object(obj->BufferObject); if (!stBuf || !stBuf->buffer) { /* this shouldn't happen */ simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OBJECT; } res = stBuf->buffer; out->internal_format = obj->BufferObjectFormat; out->buf_offset = obj->BufferOffset; out->buf_size = obj->BufferSize == -1 ? obj->BufferObject->Size : obj->BufferSize; obj->BufferObject->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE; } else { /* From OpenCL 2.0 SDK, clCreateFromGLTexture: * "CL_INVALID_MIP_LEVEL if miplevel is less than the value of * levelbase (for OpenGL implementations) or zero (for OpenGL ES * implementations); or greater than the value of q (for both OpenGL * and OpenGL ES). levelbase and q are defined for the texture in * section 3.8.10 (Texture Completeness) of the OpenGL 2.1 * specification and section 3.7.10 of the OpenGL ES 2.0." */ if (in->miplevel < obj->Attrib.BaseLevel || in->miplevel > obj->_MaxLevel) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_MIP_LEVEL; } if (!st_finalize_texture(ctx, st->pipe, obj, 0)) { simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_OUT_OF_RESOURCES; } res = st_get_texobj_resource(obj); if (!res) { /* Incomplete texture buffer object? This shouldn't really occur. */ simple_mtx_unlock(&ctx->Shared->Mutex); return MESA_GLINTEROP_INVALID_OBJECT; } out->internal_format = obj->Image[0][0]->InternalFormat; out->view_minlevel = obj->Attrib.MinLevel; out->view_numlevels = obj->Attrib.NumLevels; out->view_minlayer = obj->Attrib.MinLayer; out->view_numlayers = obj->Attrib.NumLayers; } } /* Get the handle. */ switch (in->access) { case MESA_GLINTEROP_ACCESS_READ_ONLY: usage = 0; break; case MESA_GLINTEROP_ACCESS_READ_WRITE: case MESA_GLINTEROP_ACCESS_WRITE_ONLY: usage = PIPE_HANDLE_USAGE_SHADER_WRITE; break; default: usage = 0; } memset(&whandle, 0, sizeof(whandle)); whandle.type = WINSYS_HANDLE_TYPE_FD; success = screen->resource_get_handle(screen, st->pipe, res, &whandle, usage); simple_mtx_unlock(&ctx->Shared->Mutex); if (!success) return MESA_GLINTEROP_OUT_OF_HOST_MEMORY; out->dmabuf_fd = whandle.handle; out->out_driver_data_written = 0; if (res->target == PIPE_BUFFER) out->buf_offset += whandle.offset; /* Instruct the caller that we support up-to version one of the interface */ in->version = 1; out->version = 1; return MESA_GLINTEROP_SUCCESS; } static const __DRI2interopExtension dri2InteropExtension = { .base = { __DRI2_INTEROP, 1 }, .query_device_info = dri2_interop_query_device_info, .export_object = dri2_interop_export_object }; /** * \brief the DRI2bufferDamageExtension set_damage_region method */ static void dri2_set_damage_region(__DRIdrawable *dPriv, unsigned int nrects, int *rects) { struct dri_drawable *drawable = dri_drawable(dPriv); struct pipe_box *boxes = NULL; if (nrects) { boxes = CALLOC(nrects, sizeof(*boxes)); assert(boxes); for (unsigned int i = 0; i < nrects; i++) { int *rect = &rects[i * 4]; u_box_2d(rect[0], rect[1], rect[2], rect[3], &boxes[i]); } } FREE(drawable->damage_rects); drawable->damage_rects = boxes; drawable->num_damage_rects = nrects; /* Only apply the damage region if the BACK_LEFT texture is up-to-date. */ if (drawable->texture_stamp == drawable->dPriv->lastStamp && (drawable->texture_mask & (1 << ST_ATTACHMENT_BACK_LEFT))) { struct pipe_screen *screen = drawable->screen->base.screen; struct pipe_resource *resource; if (drawable->stvis.samples > 1) resource = drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]; else resource = drawable->textures[ST_ATTACHMENT_BACK_LEFT]; screen->set_damage_region(screen, resource, drawable->num_damage_rects, drawable->damage_rects); } } static const __DRI2bufferDamageExtension dri2BufferDamageExtensionTempl = { .base = { __DRI2_BUFFER_DAMAGE, 1 }, }; /** * \brief the DRI2ConfigQueryExtension configQueryb method */ static int dri2GalliumConfigQueryb(__DRIscreen *sPriv, const char *var, unsigned char *val) { struct dri_screen *screen = dri_screen(sPriv); if (!driCheckOption(&screen->dev->option_cache, var, DRI_BOOL)) return dri2ConfigQueryExtension.configQueryb(sPriv, var, val); *val = driQueryOptionb(&screen->dev->option_cache, var); return 0; } /** * \brief the DRI2ConfigQueryExtension configQueryi method */ static int dri2GalliumConfigQueryi(__DRIscreen *sPriv, const char *var, int *val) { struct dri_screen *screen = dri_screen(sPriv); if (!driCheckOption(&screen->dev->option_cache, var, DRI_INT) && !driCheckOption(&screen->dev->option_cache, var, DRI_ENUM)) return dri2ConfigQueryExtension.configQueryi(sPriv, var, val); *val = driQueryOptioni(&screen->dev->option_cache, var); return 0; } /** * \brief the DRI2ConfigQueryExtension configQueryf method */ static int dri2GalliumConfigQueryf(__DRIscreen *sPriv, const char *var, float *val) { struct dri_screen *screen = dri_screen(sPriv); if (!driCheckOption(&screen->dev->option_cache, var, DRI_FLOAT)) return dri2ConfigQueryExtension.configQueryf(sPriv, var, val); *val = driQueryOptionf(&screen->dev->option_cache, var); return 0; } /** * \brief the DRI2ConfigQueryExtension configQuerys method */ static int dri2GalliumConfigQuerys(__DRIscreen *sPriv, const char *var, char **val) { struct dri_screen *screen = dri_screen(sPriv); if (!driCheckOption(&screen->dev->option_cache, var, DRI_STRING)) return dri2ConfigQueryExtension.configQuerys(sPriv, var, val); *val = driQueryOptionstr(&screen->dev->option_cache, var); return 0; } /** * \brief the DRI2ConfigQueryExtension struct. * * We first query the driver option cache. Then the dri2 option cache. */ static const __DRI2configQueryExtension dri2GalliumConfigQueryExtension = { .base = { __DRI2_CONFIG_QUERY, 2 }, .configQueryb = dri2GalliumConfigQueryb, .configQueryi = dri2GalliumConfigQueryi, .configQueryf = dri2GalliumConfigQueryf, .configQuerys = dri2GalliumConfigQuerys, }; /** * \brief the DRI2blobExtension set_cache_funcs method */ static void set_blob_cache_funcs(__DRIscreen *sPriv, __DRIblobCacheSet set, __DRIblobCacheGet get) { struct dri_screen *screen = dri_screen(sPriv); struct pipe_screen *pscreen = screen->base.screen; if (!pscreen->get_disk_shader_cache) return; struct disk_cache *cache = pscreen->get_disk_shader_cache(pscreen); if (!cache) return; disk_cache_set_callbacks(cache, set, get); } static const __DRI2blobExtension driBlobExtension = { .base = { __DRI2_BLOB, 1 }, .set_cache_funcs = set_blob_cache_funcs }; static const __DRImutableRenderBufferDriverExtension driMutableRenderBufferExtension = { .base = { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1 }, }; /* * Backend function init_screen. */ static const __DRIextension *dri_screen_extensions_base[] = { &driTexBufferExtension.base, &dri2FlushExtension.base, &dri2RendererQueryExtension.base, &dri2GalliumConfigQueryExtension.base, &dri2ThrottleExtension.base, &dri2FenceExtension.base, &dri2InteropExtension.base, &dri2NoErrorExtension.base, &driBlobExtension.base, &driMutableRenderBufferExtension.base, }; /** * Set up the DRI extension list for this screen based on its underlying * gallium screen's capabilities. */ static void dri2_init_screen_extensions(struct dri_screen *screen, struct pipe_screen *pscreen, bool is_kms_screen) { const __DRIextension **nExt; STATIC_ASSERT(sizeof(screen->screen_extensions) >= sizeof(dri_screen_extensions_base)); memcpy(&screen->screen_extensions, dri_screen_extensions_base, sizeof(dri_screen_extensions_base)); screen->sPriv->extensions = screen->screen_extensions; /* Point nExt at the end of the extension list */ nExt = &screen->screen_extensions[ARRAY_SIZE(dri_screen_extensions_base)]; screen->image_extension = dri2ImageExtensionTempl; if (pscreen->resource_create_with_modifiers) { screen->image_extension.createImageWithModifiers = dri2_create_image_with_modifiers; screen->image_extension.createImageWithModifiers2 = dri2_create_image_with_modifiers2; } if (pscreen->get_param(pscreen, PIPE_CAP_DMABUF)) { uint64_t cap; if (drmGetCap(screen->sPriv->fd, DRM_CAP_PRIME, &cap) == 0 && (cap & DRM_PRIME_CAP_IMPORT)) { screen->image_extension.createImageFromFds = dri2_from_fds; screen->image_extension.createImageFromDmaBufs = dri2_from_dma_bufs; screen->image_extension.createImageFromDmaBufs2 = dri2_from_dma_bufs2; screen->image_extension.createImageFromDmaBufs3 = dri2_from_dma_bufs3; screen->image_extension.queryDmaBufFormats = dri2_query_dma_buf_formats; screen->image_extension.queryDmaBufModifiers = dri2_query_dma_buf_modifiers; if (!is_kms_screen) { screen->image_extension.queryDmaBufFormatModifierAttribs = dri2_query_dma_buf_format_modifier_attribs; } } } *nExt++ = &screen->image_extension.base; if (!is_kms_screen) { screen->buffer_damage_extension = dri2BufferDamageExtensionTempl; if (pscreen->set_damage_region) screen->buffer_damage_extension.set_damage_region = dri2_set_damage_region; *nExt++ = &screen->buffer_damage_extension.base; if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) { *nExt++ = &dri2Robustness.base; screen->has_reset_status_query = true; } } /* Ensure the extension list didn't overrun its buffer and is still * NULL-terminated */ assert(nExt - screen->screen_extensions <= ARRAY_SIZE(screen->screen_extensions) - 1); assert(!*nExt); } /** * This is the driver specific part of the createNewScreen entry point. * * Returns the struct gl_config supported by this driver. */ static const __DRIconfig ** dri2_init_screen(__DRIscreen * sPriv) { const __DRIconfig **configs; struct dri_screen *screen; struct pipe_screen *pscreen = NULL; screen = CALLOC_STRUCT(dri_screen); if (!screen) return NULL; screen->sPriv = sPriv; screen->fd = sPriv->fd; (void) mtx_init(&screen->opencl_func_mutex, mtx_plain); sPriv->driverPrivate = (void *)screen; if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd)) { pscreen = pipe_loader_create_screen(screen->dev); dri_init_options(screen); } if (!pscreen) goto release_pipe; screen->throttle = pscreen->get_param(pscreen, PIPE_CAP_THROTTLE); dri2_init_screen_extensions(screen, pscreen, false); configs = dri_init_screen_helper(screen, pscreen); if (!configs) goto destroy_screen; screen->can_share_buffer = true; screen->auto_fake_front = dri_with_format(sPriv); screen->broken_invalidate = !sPriv->dri2.useInvalidate; screen->lookup_egl_image = dri2_lookup_egl_image; const __DRIimageLookupExtension *loader = sPriv->dri2.image; if (loader && loader->base.version >= 2 && loader->validateEGLImage && loader->lookupEGLImageValidated) { screen->validate_egl_image = dri2_validate_egl_image; screen->lookup_egl_image_validated = dri2_lookup_egl_image_validated; } return configs; destroy_screen: dri_destroy_screen_helper(screen); release_pipe: if (screen->dev) pipe_loader_release(&screen->dev, 1); FREE(screen); return NULL; } /** * This is the driver specific part of the createNewScreen entry point. * * Returns the struct gl_config supported by this driver. */ static const __DRIconfig ** dri_kms_init_screen(__DRIscreen * sPriv) { #if defined(GALLIUM_SOFTPIPE) const __DRIconfig **configs; struct dri_screen *screen; struct pipe_screen *pscreen = NULL; screen = CALLOC_STRUCT(dri_screen); if (!screen) return NULL; screen->sPriv = sPriv; screen->fd = sPriv->fd; sPriv->driverPrivate = (void *)screen; if (pipe_loader_sw_probe_kms(&screen->dev, screen->fd)) { pscreen = pipe_loader_create_screen(screen->dev); dri_init_options(screen); } if (!pscreen) goto release_pipe; dri2_init_screen_extensions(screen, pscreen, true); configs = dri_init_screen_helper(screen, pscreen); if (!configs) goto destroy_screen; screen->can_share_buffer = false; screen->auto_fake_front = dri_with_format(sPriv); screen->broken_invalidate = !sPriv->dri2.useInvalidate; screen->lookup_egl_image = dri2_lookup_egl_image; const __DRIimageLookupExtension *loader = sPriv->dri2.image; if (loader && loader->base.version >= 2 && loader->validateEGLImage && loader->lookupEGLImageValidated) { screen->validate_egl_image = dri2_validate_egl_image; screen->lookup_egl_image_validated = dri2_lookup_egl_image_validated; } return configs; destroy_screen: dri_destroy_screen_helper(screen); release_pipe: if (screen->dev) pipe_loader_release(&screen->dev, 1); FREE(screen); #endif // GALLIUM_SOFTPIPE return NULL; } static boolean dri2_create_buffer(__DRIscreen * sPriv, __DRIdrawable * dPriv, const struct gl_config * visual, boolean isPixmap) { struct dri_drawable *drawable = NULL; if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap)) return FALSE; drawable = dPriv->driverPrivate; drawable->allocate_textures = dri2_allocate_textures; drawable->flush_frontbuffer = dri2_flush_frontbuffer; drawable->update_tex_buffer = dri2_update_tex_buffer; drawable->flush_swapbuffers = dri2_flush_swapbuffers; return TRUE; } /** * DRI driver virtual function table. * * DRI versions differ in their implementation of init_screen and swap_buffers. */ const struct __DriverAPIRec galliumdrm_driver_api = { .InitScreen = dri2_init_screen, .DestroyScreen = dri_destroy_screen, .CreateContext = dri_create_context, .DestroyContext = dri_destroy_context, .CreateBuffer = dri2_create_buffer, .DestroyBuffer = dri_destroy_buffer, .MakeCurrent = dri_make_current, .UnbindContext = dri_unbind_context, .AllocateBuffer = dri2_allocate_buffer, .ReleaseBuffer = dri2_release_buffer, }; /** * DRI driver virtual function table. * * KMS/DRM version of the DriverAPI above sporting a different InitScreen * hook. The latter is used to explicitly initialise the kms_swrast driver * rather than selecting the approapriate driver as suggested by the loader. */ const struct __DriverAPIRec dri_kms_driver_api = { .InitScreen = dri_kms_init_screen, .DestroyScreen = dri_destroy_screen, .CreateContext = dri_create_context, .DestroyContext = dri_destroy_context, .CreateBuffer = dri2_create_buffer, .DestroyBuffer = dri_destroy_buffer, .MakeCurrent = dri_make_current, .UnbindContext = dri_unbind_context, .AllocateBuffer = dri2_allocate_buffer, .ReleaseBuffer = dri2_release_buffer, }; /* This is the table of extensions that the loader will dlsym() for. */ const __DRIextension *galliumdrm_driver_extensions[] = { &driCoreExtension.base, &driImageDriverExtension.base, &driDRI2Extension.base, &gallium_config_options.base, NULL }; /* vim: set sw=3 ts=8 sts=3 expandtab: */