/* * 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 "util/u_memory.h" #include "util/u_inlines.h" #include "util/u_format.h" #include "util/u_debug.h" #include "state_tracker/drm_driver.h" #include "state_tracker/st_texture.h" #include "state_tracker/st_context.h" #include "pipe-loader/pipe_loader.h" #include "main/texobj.h" #include "dri_screen.h" #include "dri_context.h" #include "dri_drawable.h" #include "dri_query_renderer.h" #include "dri2_buffer.h" static int convert_fourcc(int format, int *dri_components_p) { int dri_components; switch(format) { case __DRI_IMAGE_FOURCC_RGB565: format = __DRI_IMAGE_FORMAT_RGB565; dri_components = __DRI_IMAGE_COMPONENTS_RGB; break; case __DRI_IMAGE_FOURCC_ARGB8888: format = __DRI_IMAGE_FORMAT_ARGB8888; dri_components = __DRI_IMAGE_COMPONENTS_RGBA; break; case __DRI_IMAGE_FOURCC_XRGB8888: format = __DRI_IMAGE_FORMAT_XRGB8888; dri_components = __DRI_IMAGE_COMPONENTS_RGB; break; case __DRI_IMAGE_FOURCC_ABGR8888: format = __DRI_IMAGE_FORMAT_ABGR8888; dri_components = __DRI_IMAGE_COMPONENTS_RGBA; break; case __DRI_IMAGE_FOURCC_XBGR8888: format = __DRI_IMAGE_FORMAT_XBGR8888; dri_components = __DRI_IMAGE_COMPONENTS_RGB; break; default: return -1; } *dri_components_p = dri_components; return format; } /** * 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; 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[10]; unsigned num_attachments, i; assert(loader); 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_B8G8R8A8_UNORM: depth = 32; break; case PIPE_FORMAT_B8G8R8X8_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_B5G6R5_UNORM: image_format = __DRI_IMAGE_FORMAT_RGB565; break; case PIPE_FORMAT_B8G8R8X8_UNORM: image_format = __DRI_IMAGE_FORMAT_XRGB8888; break; case PIPE_FORMAT_B8G8R8A8_UNORM: image_format = __DRI_IMAGE_FORMAT_ARGB8888; break; case PIPE_FORMAT_R8G8B8A8_UNORM: image_format = __DRI_IMAGE_FORMAT_ABGR8888; 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 32: pf = PIPE_FORMAT_B8G8R8A8_UNORM; break; case 24: pf = PIPE_FORMAT_B8G8R8X8_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 = DRM_API_HANDLE_TYPE_SHARED; else whandle.type = DRM_API_HANDLE_TYPE_KMS; screen->base.screen->resource_get_handle(screen->base.screen, buffer->resource, &whandle); 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; struct winsys_handle whandle; unsigned num_buffers = statts_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); } /* 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; if (screen->can_share_buffer) whandle.type = DRM_API_HANDLE_TYPE_SHARED; else whandle.type = DRM_API_HANDLE_TYPE_KMS; drawable->textures[statt] = screen->base.screen->resource_from_handle(screen->base.screen, &templ, &whandle); 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; templ.nr_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 state tracker (and * therefore the app) can access the MSAA resources only. * The single-sample resources are not exposed * to the state tracker. * */ 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; if (drawable->stvis.samples > 1) { templ.nr_samples = drawable->stvis.samples; zsbuf = &drawable->msaa_textures[statt]; } else { templ.nr_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 void 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; struct pipe_context *pipe = ctx->st->pipe; if (statt != ST_ATTACHMENT_FRONT_LEFT) return; if (drawable->stvis.samples > 1) { /* Resolve the front buffer. */ dri_pipe_blit(ctx->st->pipe, drawable->textures[ST_ATTACHMENT_FRONT_LEFT], drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]); } if (drawable->textures[ST_ATTACHMENT_FRONT_LEFT]) { pipe->flush_resource(pipe, drawable->textures[ST_ATTACHMENT_FRONT_LEFT]); } pipe->flush(pipe, NULL, 0); if (image) { image->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); } else if (loader->flushFrontBuffer) { loader->flushFrontBuffer(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 __DRIimage * dri2_lookup_egl_image(struct dri_screen *screen, void *handle) { const __DRIimageLookupExtension *loader = screen->sPriv->dri2.image; __DRIimage *img; if (!loader->lookupEGLImage) return NULL; img = loader->lookupEGLImage(screen->sPriv, handle, screen->sPriv->loaderPrivate); return img; } static __DRIimage * dri2_create_image_from_winsys(__DRIscreen *_screen, int width, int height, int format, struct winsys_handle *whandle, int pitch, void *loaderPrivate) { struct dri_screen *screen = dri_screen(_screen); __DRIimage *img; struct pipe_resource templ; unsigned tex_usage; enum pipe_format pf; tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; switch (format) { case __DRI_IMAGE_FORMAT_RGB565: pf = PIPE_FORMAT_B5G6R5_UNORM; break; case __DRI_IMAGE_FORMAT_XRGB8888: pf = PIPE_FORMAT_B8G8R8X8_UNORM; break; case __DRI_IMAGE_FORMAT_ARGB8888: pf = PIPE_FORMAT_B8G8R8A8_UNORM; break; case __DRI_IMAGE_FORMAT_ABGR8888: pf = PIPE_FORMAT_R8G8B8A8_UNORM; break; default: pf = PIPE_FORMAT_NONE; break; } if (pf == PIPE_FORMAT_NONE) return NULL; img = CALLOC_STRUCT(__DRIimageRec); if (!img) return NULL; memset(&templ, 0, sizeof(templ)); templ.bind = tex_usage; templ.format = pf; templ.target = screen->target; templ.last_level = 0; templ.width0 = width; templ.height0 = height; templ.depth0 = 1; templ.array_size = 1; whandle->stride = pitch * util_format_get_blocksize(pf); img->texture = screen->base.screen->resource_from_handle(screen->base.screen, &templ, whandle); if (!img->texture) { FREE(img); return NULL; } img->level = 0; img->layer = 0; img->dri_format = format; img->loader_private = loaderPrivate; return img; } static __DRIimage * dri2_create_image_from_name(__DRIscreen *_screen, int width, int height, int format, int name, int pitch, void *loaderPrivate) { struct winsys_handle whandle; memset(&whandle, 0, sizeof(whandle)); whandle.type = DRM_API_HANDLE_TYPE_SHARED; whandle.handle = name; return dri2_create_image_from_winsys(_screen, width, height, format, &whandle, pitch, loaderPrivate); } static __DRIimage * dri2_create_image_from_fd(__DRIscreen *_screen, int width, int height, int format, int fd, int pitch, void *loaderPrivate) { struct winsys_handle whandle; if (fd < 0) return NULL; memset(&whandle, 0, sizeof(whandle)); whandle.type = DRM_API_HANDLE_TYPE_FD; whandle.handle = (unsigned)fd; return dri2_create_image_from_winsys(_screen, width, height, format, &whandle, pitch, loaderPrivate); } static __DRIimage * dri2_create_image_from_renderbuffer(__DRIcontext *context, int renderbuffer, void *loaderPrivate) { struct dri_context *ctx = dri_context(context); if (!ctx->st->get_resource_for_egl_image) return NULL; /* TODO */ return NULL; } static __DRIimage * dri2_create_image(__DRIscreen *_screen, int width, int height, int format, unsigned int use, void *loaderPrivate) { struct dri_screen *screen = dri_screen(_screen); __DRIimage *img; struct pipe_resource templ; unsigned tex_usage; enum pipe_format pf; tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 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; } switch (format) { case __DRI_IMAGE_FORMAT_RGB565: pf = PIPE_FORMAT_B5G6R5_UNORM; break; case __DRI_IMAGE_FORMAT_XRGB8888: pf = PIPE_FORMAT_B8G8R8X8_UNORM; break; case __DRI_IMAGE_FORMAT_ARGB8888: pf = PIPE_FORMAT_B8G8R8A8_UNORM; break; case __DRI_IMAGE_FORMAT_ABGR8888: pf = PIPE_FORMAT_R8G8B8A8_UNORM; break; default: pf = PIPE_FORMAT_NONE; break; } if (pf == PIPE_FORMAT_NONE) return NULL; img = CALLOC_STRUCT(__DRIimageRec); if (!img) return NULL; memset(&templ, 0, sizeof(templ)); templ.bind = tex_usage; 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; 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_components = 0; img->loader_private = loaderPrivate; return img; } static GLboolean dri2_query_image(__DRIimage *image, int attrib, int *value) { struct winsys_handle whandle; memset(&whandle, 0, sizeof(whandle)); switch (attrib) { case __DRI_IMAGE_ATTRIB_STRIDE: whandle.type = DRM_API_HANDLE_TYPE_KMS; image->texture->screen->resource_get_handle(image->texture->screen, image->texture, &whandle); *value = whandle.stride; return GL_TRUE; case __DRI_IMAGE_ATTRIB_HANDLE: whandle.type = DRM_API_HANDLE_TYPE_KMS; image->texture->screen->resource_get_handle(image->texture->screen, image->texture, &whandle); *value = whandle.handle; return GL_TRUE; case __DRI_IMAGE_ATTRIB_NAME: whandle.type = DRM_API_HANDLE_TYPE_SHARED; image->texture->screen->resource_get_handle(image->texture->screen, image->texture, &whandle); *value = whandle.handle; return GL_TRUE; case __DRI_IMAGE_ATTRIB_FD: whandle.type= DRM_API_HANDLE_TYPE_FD; image->texture->screen->resource_get_handle(image->texture->screen, image->texture, &whandle); *value = whandle.handle; return GL_TRUE; case __DRI_IMAGE_ATTRIB_FORMAT: *value = image->dri_format; return GL_TRUE; case __DRI_IMAGE_ATTRIB_WIDTH: *value = image->texture->width0; return GL_TRUE; case __DRI_IMAGE_ATTRIB_HEIGHT: *value = image->texture->height0; return GL_TRUE; case __DRI_IMAGE_ATTRIB_COMPONENTS: if (image->dri_components == 0) return GL_FALSE; *value = image->dri_components; return GL_TRUE; default: 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->loader_private = loaderPrivate; return img; } static GLboolean dri2_validate_usage(__DRIimage *image, unsigned int use) { /* * Gallium drivers are bad at adding usages to the resources * once opened again in another process, which is the main use * case for this, so we have to lie. */ if (image != NULL) return GL_TRUE; else return GL_FALSE; } static __DRIimage * dri2_from_names(__DRIscreen *screen, int width, int height, int format, int *names, int num_names, int *strides, int *offsets, void *loaderPrivate) { __DRIimage *img; int stride, dri_components; if (num_names != 1) return NULL; if (offsets[0] != 0) return NULL; format = convert_fourcc(format, &dri_components); if (format == -1) return NULL; /* Strides are in bytes not pixels. */ stride = strides[0] /4; img = dri2_create_image_from_name(screen, width, height, format, names[0], stride, loaderPrivate); if (img == NULL) return NULL; img->dri_components = dri_components; return img; } static __DRIimage * dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate) { __DRIimage *img; if (plane != 0) return NULL; if (image->dri_components == 0) return NULL; img = dri2_dup_image(image, loaderPrivate); if (img == NULL) return NULL; /* set this to 0 for sub images. */ img->dri_components = 0; return img; } static __DRIimage * dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture, int depth, int level, unsigned *error, void *loaderPrivate) { __DRIimage *img; struct gl_context *ctx = ((struct st_context *)dri_context(context)->st)->ctx; struct gl_texture_object *obj; struct pipe_resource *tex; GLuint face = 0; obj = _mesa_lookup_texture(ctx, texture); if (!obj || obj->Target != target) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; return NULL; } tex = st_get_texobj_resource(obj); if (!tex) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; return NULL; } if (target == GL_TEXTURE_CUBE_MAP) face = depth; _mesa_test_texobj_completeness(ctx, obj); if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; return NULL; } if (level < obj->BaseLevel || level > obj->_MaxLevel) { *error = __DRI_IMAGE_ERROR_BAD_MATCH; return NULL; } if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < depth) { *error = __DRI_IMAGE_ERROR_BAD_MATCH; return NULL; } img = CALLOC_STRUCT(__DRIimageRec); if (!img) { *error = __DRI_IMAGE_ERROR_BAD_ALLOC; return NULL; } img->level = level; img->layer = depth; img->dri_format = driGLFormatToImageFormat(obj->Image[face][level]->TexFormat); img->loader_private = loaderPrivate; if (img->dri_format == __DRI_IMAGE_FORMAT_NONE) { *error = __DRI_IMAGE_ERROR_BAD_PARAMETER; free(img); return NULL; } pipe_resource_reference(&img->texture, tex); *error = __DRI_IMAGE_ERROR_SUCCESS; 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) { __DRIimage *img; int format, stride, dri_components; if (num_fds != 1) return NULL; if (offsets[0] != 0) return NULL; format = convert_fourcc(fourcc, &dri_components); if (format == -1) return NULL; /* Strides are in bytes not pixels. */ stride = strides[0] /4; img = dri2_create_image_from_fd(screen, width, height, format, fds[0], stride, loaderPrivate); if (img == NULL) return NULL; img->dri_components = dri_components; return img; } 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; int format, stride, dri_components; if (num_fds != 1 || offsets[0] != 0) { *error = __DRI_IMAGE_ERROR_BAD_MATCH; return NULL; } format = convert_fourcc(fourcc, &dri_components); if (format == -1) { *error = __DRI_IMAGE_ERROR_BAD_MATCH; return NULL; } /* Strides are in bytes not pixels. */ stride = strides[0] /4; img = dri2_create_image_from_fd(screen, width, height, format, fds[0], stride, loaderPrivate); if (img == NULL) { *error = __DRI_IMAGE_ERROR_BAD_ALLOC; return NULL; } img->yuv_color_space = yuv_color_space; img->sample_range = sample_range; img->horizontal_siting = horizontal_siting; img->vertical_siting = vertical_siting; img->dri_components = dri_components; *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; pipe->blit(pipe, &blit); if (flush_flag == __BLIT_FLAG_FLUSH) { pipe->flush_resource(pipe, dst->texture); ctx->st->flush(ctx->st, 0, 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); (void) screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE); screen->fence_reference(screen, &fence, NULL); } } static void dri2_destroy_image(__DRIimage *img) { pipe_resource_reference(&img->texture, NULL); FREE(img); } 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 __DRIimageExtension dri2ImageExtension = { .base = { __DRI_IMAGE, 10 }, .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, }; /* * Backend function init_screen. */ static const __DRIextension *dri_screen_extensions[] = { &driTexBufferExtension.base, &dri2FlushExtension.base, &dri2ImageExtension.base, &dri2RendererQueryExtension.base, &dri2ConfigQueryExtension.base, &dri2ThrottleExtension.base, NULL }; /** * 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; const struct drm_conf_ret *throttle_ret = NULL; const struct drm_conf_ret *dmabuf_ret = NULL; screen = CALLOC_STRUCT(dri_screen); if (!screen) return NULL; screen->sPriv = sPriv; screen->fd = sPriv->fd; sPriv->driverPrivate = (void *)screen; #if GALLIUM_STATIC_TARGETS pscreen = dd_create_screen(screen->fd); throttle_ret = dd_configuration(DRM_CONF_THROTTLE); dmabuf_ret = dd_configuration(DRM_CONF_SHARE_FD); #else if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd, true)) { pscreen = pipe_loader_create_screen(screen->dev, PIPE_SEARCH_DIR); throttle_ret = pipe_loader_configuration(screen->dev, DRM_CONF_THROTTLE); dmabuf_ret = pipe_loader_configuration(screen->dev, DRM_CONF_SHARE_FD); } #endif // GALLIUM_STATIC_TARGETS if (throttle_ret && throttle_ret->val.val_int != -1) { screen->throttling_enabled = TRUE; screen->default_throttle_frames = throttle_ret->val.val_int; } if (dmabuf_ret && dmabuf_ret->val.val_bool) { uint64_t cap; if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 && (cap & DRM_PRIME_CAP_IMPORT)) { dri2ImageExtension.createImageFromFds = dri2_from_fds; dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs; } } sPriv->extensions = dri_screen_extensions; /* dri_init_screen_helper checks pscreen for us */ #if GALLIUM_STATIC_TARGETS configs = dri_init_screen_helper(screen, pscreen, dd_driver_name()); #else configs = dri_init_screen_helper(screen, pscreen, screen->dev->driver_name); #endif // GALLIUM_STATIC_TARGETS if (!configs) goto fail; 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; return configs; fail: dri_destroy_screen_helper(screen); #if !GALLIUM_STATIC_TARGETS if (screen->dev) pipe_loader_release(&screen->dev, 1); #endif // !GALLIUM_STATIC_TARGETS 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 GALLIUM_STATIC_TARGETS #if defined(GALLIUM_SOFTPIPE) const __DRIconfig **configs; struct dri_screen *screen; struct pipe_screen *pscreen = NULL; uint64_t cap; screen = CALLOC_STRUCT(dri_screen); if (!screen) return NULL; screen->sPriv = sPriv; screen->fd = sPriv->fd; sPriv->driverPrivate = (void *)screen; pscreen = kms_swrast_create_screen(screen->fd); if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 && (cap & DRM_PRIME_CAP_IMPORT)) { dri2ImageExtension.createImageFromFds = dri2_from_fds; dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs; } sPriv->extensions = dri_screen_extensions; /* dri_init_screen_helper checks pscreen for us */ configs = dri_init_screen_helper(screen, pscreen, "swrast"); if (!configs) goto fail; 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; return configs; fail: dri_destroy_screen_helper(screen); FREE(screen); #endif // GALLIUM_SOFTPIPE #endif // GALLIUM_STATIC_TARGETS 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; 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: */