/* * Mesa 3-D graphics library * * 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: * Chia-I Wu */ #include "main/errors.h" #include "main/texobj.h" #include "main/teximage.h" #include "util/u_inlines.h" #include "util/format/u_format.h" #include "st_cb_eglimage.h" #include "st_cb_fbo.h" #include "st_context.h" #include "st_texture.h" #include "st_format.h" #include "st_manager.h" #include "st_sampler_view.h" #include "util/u_surface.h" static bool is_format_supported(struct pipe_screen *screen, enum pipe_format format, unsigned nr_samples, unsigned nr_storage_samples, unsigned usage, bool *native_supported) { bool supported = screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); *native_supported = supported; /* for sampling, some formats can be emulated.. it doesn't matter that * the surface will have a format that the driver can't cope with because * we'll give it sampler view formats that it can deal with and generate * a shader variant that converts. */ if ((usage == PIPE_BIND_SAMPLER_VIEW) && !supported) { switch (format) { case PIPE_FORMAT_IYUV: supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_NV12: supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) && screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_P010: case PIPE_FORMAT_P012: case PIPE_FORMAT_P016: supported = screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) && screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_Y210: case PIPE_FORMAT_Y212: case PIPE_FORMAT_Y216: supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) && screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_Y410: supported = screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_Y412: case PIPE_FORMAT_Y416: supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_YUYV: supported = screen->is_format_supported(screen, PIPE_FORMAT_R8G8_R8B8_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) || (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) && screen->is_format_supported(screen, PIPE_FORMAT_BGRA8888_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage)); break; case PIPE_FORMAT_UYVY: supported = screen->is_format_supported(screen, PIPE_FORMAT_G8R8_B8R8_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) || (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage) && screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage)); break; case PIPE_FORMAT_AYUV: supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; case PIPE_FORMAT_XYUV: supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBX8888_UNORM, PIPE_TEXTURE_2D, nr_samples, nr_storage_samples, usage); break; default: break; } } return supported; } static bool is_nv12_as_r8_g8b8_supported(struct pipe_screen *screen, struct st_egl_image *out, unsigned usage, bool *native_supported) { if (out->format == PIPE_FORMAT_NV12 && out->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM && screen->is_format_supported(screen, PIPE_FORMAT_R8_G8B8_420_UNORM, PIPE_TEXTURE_2D, out->texture->nr_samples, out->texture->nr_storage_samples, usage)) { *native_supported = false; return true; } return false; } /** * Return the gallium texture of an EGLImage. */ static bool st_get_egl_image(struct gl_context *ctx, GLeglImageOES image_handle, unsigned usage, const char *error, struct st_egl_image *out, bool *native_supported) { struct st_context *st = st_context(ctx); struct pipe_screen *screen = st->screen; struct st_manager *smapi = (struct st_manager *) st->iface.st_context_private; if (!smapi || !smapi->get_egl_image) return false; memset(out, 0, sizeof(*out)); if (!smapi->get_egl_image(smapi, (void *) image_handle, out)) { /* image_handle does not refer to a valid EGL image object */ _mesa_error(ctx, GL_INVALID_VALUE, "%s(image handle not found)", error); return false; } if (!is_nv12_as_r8_g8b8_supported(screen, out, usage, native_supported) && !is_format_supported(screen, out->format, out->texture->nr_samples, out->texture->nr_storage_samples, usage, native_supported)) { /* unable to specify a texture object using the specified EGL image */ pipe_resource_reference(&out->texture, NULL); _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format not supported)", error); return false; } ctx->Shared->HasExternallySharedImages = true; return true; } /** * Return the base format just like _mesa_base_fbo_format does. */ static GLenum st_pipe_format_to_base_format(enum pipe_format format) { GLenum base_format; if (util_format_is_depth_or_stencil(format)) { if (util_format_is_depth_and_stencil(format)) { base_format = GL_DEPTH_STENCIL; } else { if (format == PIPE_FORMAT_S8_UINT) base_format = GL_STENCIL_INDEX; else base_format = GL_DEPTH_COMPONENT; } } else { /* is this enough? */ if (util_format_has_alpha(format)) base_format = GL_RGBA; else base_format = GL_RGB; } return base_format; } static void st_egl_image_target_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *rb, GLeglImageOES image_handle) { struct st_renderbuffer *strb = st_renderbuffer(rb); struct st_egl_image stimg; bool native_supported; if (st_get_egl_image(ctx, image_handle, PIPE_BIND_RENDER_TARGET, "glEGLImageTargetRenderbufferStorage", &stimg, &native_supported)) { struct pipe_context *pipe = st_context(ctx)->pipe; struct pipe_surface *ps, surf_tmpl; u_surface_default_template(&surf_tmpl, stimg.texture); surf_tmpl.format = stimg.format; surf_tmpl.u.tex.level = stimg.level; surf_tmpl.u.tex.first_layer = stimg.layer; surf_tmpl.u.tex.last_layer = stimg.layer; ps = pipe->create_surface(pipe, stimg.texture, &surf_tmpl); pipe_resource_reference(&stimg.texture, NULL); if (!ps) return; strb->Base.Format = st_pipe_format_to_mesa_format(ps->format); strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format); strb->Base.InternalFormat = strb->Base._BaseFormat; st_set_ws_renderbuffer_surface(strb, ps); pipe_surface_reference(&ps, NULL); } } static void st_bind_egl_image(struct gl_context *ctx, struct gl_texture_object *texObj, struct gl_texture_image *texImage, struct st_egl_image *stimg, bool tex_storage, bool native_supported) { struct st_context *st = st_context(ctx); struct st_texture_object *stObj; struct st_texture_image *stImage; GLenum internalFormat; mesa_format texFormat; /* map pipe format to base format */ if (util_format_get_component_bits(stimg->format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0) internalFormat = GL_RGBA; else internalFormat = GL_RGB; stObj = st_texture_object(texObj); stImage = st_texture_image(texImage); /* switch to surface based */ if (!stObj->surface_based) { _mesa_clear_texture_object(ctx, texObj, NULL); stObj->surface_based = GL_TRUE; } /* TODO RequiredTextureImageUnits should probably be reset back * to 1 somewhere if different texture is bound?? */ if (!native_supported) { switch (stimg->format) { case PIPE_FORMAT_NV12: if (stimg->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM) { texFormat = MESA_FORMAT_R8G8B8X8_UNORM; texObj->RequiredTextureImageUnits = 1; } else { texFormat = MESA_FORMAT_R_UNORM8; texObj->RequiredTextureImageUnits = 2; } break; case PIPE_FORMAT_P010: case PIPE_FORMAT_P012: case PIPE_FORMAT_P016: texFormat = MESA_FORMAT_R_UNORM16; texObj->RequiredTextureImageUnits = 2; break; case PIPE_FORMAT_Y210: case PIPE_FORMAT_Y212: case PIPE_FORMAT_Y216: texFormat = MESA_FORMAT_RG_UNORM16; texObj->RequiredTextureImageUnits = 2; break; case PIPE_FORMAT_Y410: texFormat = MESA_FORMAT_B10G10R10A2_UNORM; internalFormat = GL_RGBA; texObj->RequiredTextureImageUnits = 1; break; case PIPE_FORMAT_Y412: case PIPE_FORMAT_Y416: texFormat = MESA_FORMAT_RGBA_UNORM16; internalFormat = GL_RGBA; texObj->RequiredTextureImageUnits = 1; break; case PIPE_FORMAT_IYUV: texFormat = MESA_FORMAT_R_UNORM8; texObj->RequiredTextureImageUnits = 3; break; case PIPE_FORMAT_YUYV: case PIPE_FORMAT_UYVY: if (stimg->texture->format == PIPE_FORMAT_R8G8_R8B8_UNORM) { texFormat = MESA_FORMAT_RG_RB_UNORM8; texObj->RequiredTextureImageUnits = 1; } else if (stimg->texture->format == PIPE_FORMAT_G8R8_B8R8_UNORM) { texFormat = MESA_FORMAT_GR_BR_UNORM8; texObj->RequiredTextureImageUnits = 1; } else { texFormat = MESA_FORMAT_RG_UNORM8; texObj->RequiredTextureImageUnits = 2; } break; case PIPE_FORMAT_AYUV: texFormat = MESA_FORMAT_R8G8B8A8_UNORM; internalFormat = GL_RGBA; texObj->RequiredTextureImageUnits = 1; break; case PIPE_FORMAT_XYUV: texFormat = MESA_FORMAT_R8G8B8X8_UNORM; texObj->RequiredTextureImageUnits = 1; break; default: unreachable("unexpected emulated format"); break; } } else { texFormat = st_pipe_format_to_mesa_format(stimg->format); /* Use previously derived internalformat as specified by * EXT_EGL_image_storage. */ if (tex_storage && texObj->Target == GL_TEXTURE_2D && stimg->internalformat) { internalFormat = stimg->internalformat; if (internalFormat == GL_NONE) { _mesa_error(ctx, GL_INVALID_OPERATION, __func__); return; } } } assert(texFormat != MESA_FORMAT_NONE); /* Minify texture size based on level set on the EGLImage. */ uint32_t width = u_minify(stimg->texture->width0, stimg->level); uint32_t height = u_minify(stimg->texture->height0, stimg->level); _mesa_init_teximage_fields(ctx, texImage, width, height, 1, 0, internalFormat, texFormat); pipe_resource_reference(&stObj->pt, stimg->texture); st_texture_release_all_sampler_views(st, stObj); pipe_resource_reference(&stImage->pt, stObj->pt); if (st->screen->resource_changed) st->screen->resource_changed(st->screen, stImage->pt); stObj->surface_format = stimg->format; stObj->level_override = stimg->level; stObj->layer_override = stimg->layer; _mesa_dirty_texobj(ctx, texObj); } static void st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target, struct gl_texture_object *texObj, struct gl_texture_image *texImage, GLeglImageOES image_handle) { struct st_egl_image stimg; bool native_supported; if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW, "glEGLImageTargetTexture2D", &stimg, &native_supported)) return; st_bind_egl_image(ctx, texObj, texImage, &stimg, target != GL_TEXTURE_EXTERNAL_OES, native_supported); pipe_resource_reference(&stimg.texture, NULL); } static void st_egl_image_target_tex_storage(struct gl_context *ctx, GLenum target, struct gl_texture_object *texObj, struct gl_texture_image *texImage, GLeglImageOES image_handle) { struct st_egl_image stimg; bool native_supported; if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW, "glEGLImageTargetTexture2D", &stimg, &native_supported)) return; st_bind_egl_image(ctx, texObj, texImage, &stimg, true, native_supported); pipe_resource_reference(&stimg.texture, NULL); } static GLboolean st_validate_egl_image(struct gl_context *ctx, GLeglImageOES image_handle) { struct st_context *st = st_context(ctx); struct st_manager *smapi = (struct st_manager *) st->iface.st_context_private; return smapi->validate_egl_image(smapi, (void *)image_handle); } void st_init_eglimage_functions(struct dd_function_table *functions, bool has_egl_image_validate) { functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d; functions->EGLImageTargetTexStorage = st_egl_image_target_tex_storage; functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage; if (has_egl_image_validate) functions->ValidateEGLImage = st_validate_egl_image; }