| /* |
| * 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 <olv@lunarg.com> |
| */ |
| |
| #include <GL/internal/dri_interface.h> |
| #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_texture.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. |
| */ |
| 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; |
| } |
| |
| void |
| st_egl_image_target_renderbuffer_storage(struct gl_context *ctx, |
| struct gl_renderbuffer *rb, |
| GLeglImageOES image_handle) |
| { |
| 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; |
| |
| rb->Format = st_pipe_format_to_mesa_format(ps->format); |
| rb->_BaseFormat = st_pipe_format_to_base_format(ps->format); |
| rb->InternalFormat = rb->_BaseFormat; |
| |
| st_set_ws_renderbuffer_surface(rb, ps); |
| pipe_surface_reference(&ps, NULL); |
| } |
| } |
| |
| 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); |
| GLenum internalFormat; |
| mesa_format texFormat; |
| |
| if (stimg->texture->target != gl_target_to_pipe(texObj->Target)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, __func__); |
| return; |
| } |
| |
| if (stimg->internalformat) { |
| internalFormat = stimg->internalformat; |
| } else { |
| /* 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; |
| } |
| |
| /* switch to surface based */ |
| if (!texObj->surface_based) { |
| _mesa_clear_texture_object(ctx, texObj, NULL); |
| texObj->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(&texObj->pt, stimg->texture); |
| st_texture_release_all_sampler_views(st, texObj); |
| pipe_resource_reference(&texImage->pt, texObj->pt); |
| if (st->screen->resource_changed) |
| st->screen->resource_changed(st->screen, texImage->pt); |
| |
| texObj->surface_format = stimg->format; |
| |
| switch (stimg->yuv_color_space) { |
| case __DRI_YUV_COLOR_SPACE_ITU_REC709: |
| texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC709; |
| break; |
| case __DRI_YUV_COLOR_SPACE_ITU_REC2020: |
| texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC2020; |
| break; |
| default: |
| texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC601; |
| break; |
| } |
| |
| if (stimg->yuv_range == __DRI_YUV_FULL_RANGE) |
| texObj->yuv_full_range = true; |
| |
| texObj->level_override = stimg->level; |
| texObj->layer_override = stimg->layer; |
| _mesa_update_texture_object_swizzle(ctx, texObj); |
| |
| _mesa_dirty_texobj(ctx, texObj); |
| } |
| |
| 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) |
| { |
| if (has_egl_image_validate) |
| functions->ValidateEGLImage = st_validate_egl_image; |
| } |