| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "mojo/gpu/texture_uploader.h" |
| |
| #ifndef GL_GLEXT_PROTOTYPES |
| #define GL_GLEXT_PROTOTYPES |
| #endif |
| |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2chromium.h> |
| #include <GLES2/gl2extchromium.h> |
| |
| #include "mojo/public/c/gles2/gles2.h" |
| #include "mojo/services/geometry/public/cpp/geometry_util.h" |
| #include "mojo/services/surfaces/public/cpp/surfaces_utils.h" |
| |
| namespace mojo { |
| |
| mojo::FramePtr TextureUploader::GetUploadFrame( |
| base::WeakPtr<mojo::GLContext> context, |
| uint32_t resource_id, |
| const scoped_ptr<mojo::GLTexture>& texture) { |
| if (!context) { |
| return mojo::FramePtr(); |
| } |
| |
| mojo::Size size = texture->size(); |
| |
| mojo::FramePtr frame = mojo::Frame::New(); |
| frame->resources.resize(0u); |
| |
| mojo::Rect bounds; |
| bounds.width = size.width; |
| bounds.height = size.height; |
| mojo::PassPtr pass = mojo::CreateDefaultPass(1, bounds); |
| pass->quads.resize(0u); |
| pass->shared_quad_states.push_back(mojo::CreateDefaultSQS(size)); |
| |
| context->MakeCurrent(); |
| glBindTexture(GL_TEXTURE_2D, texture->texture_id()); |
| GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM]; |
| glGenMailboxCHROMIUM(mailbox); |
| glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox); |
| GLuint sync_point = glInsertSyncPointCHROMIUM(); |
| |
| mojo::TransferableResourcePtr resource = mojo::TransferableResource::New(); |
| resource->id = resource_id; |
| resource->format = mojo::RESOURCE_FORMAT_RGBA_8888; |
| resource->filter = GL_LINEAR; |
| resource->size = size.Clone(); |
| mojo::MailboxHolderPtr mailbox_holder = mojo::MailboxHolder::New(); |
| mailbox_holder->mailbox = mojo::Mailbox::New(); |
| for (int i = 0; i < GL_MAILBOX_SIZE_CHROMIUM; ++i) |
| mailbox_holder->mailbox->name.push_back(mailbox[i]); |
| mailbox_holder->texture_target = GL_TEXTURE_2D; |
| mailbox_holder->sync_point = sync_point; |
| resource->mailbox_holder = mailbox_holder.Pass(); |
| resource->is_repeated = false; |
| resource->is_software = false; |
| |
| mojo::QuadPtr quad = mojo::Quad::New(); |
| quad->material = mojo::MATERIAL_TEXTURE_CONTENT; |
| |
| mojo::RectPtr rect = mojo::Rect::New(); |
| rect->width = size.width; |
| rect->height = size.height; |
| quad->rect = rect.Clone(); |
| quad->opaque_rect = rect.Clone(); |
| quad->visible_rect = rect.Clone(); |
| quad->needs_blending = true; |
| quad->shared_quad_state_index = 0u; |
| |
| mojo::TextureQuadStatePtr texture_state = mojo::TextureQuadState::New(); |
| texture_state->resource_id = resource->id; |
| texture_state->premultiplied_alpha = true; |
| texture_state->uv_top_left = mojo::PointF::New(); |
| texture_state->uv_bottom_right = mojo::PointF::New(); |
| texture_state->uv_bottom_right->x = 1.f; |
| texture_state->uv_bottom_right->y = 1.f; |
| texture_state->background_color = mojo::Color::New(); |
| texture_state->background_color->rgba = 0; |
| for (int i = 0; i < 4; ++i) |
| texture_state->vertex_opacity.push_back(1.f); |
| texture_state->flipped = false; |
| |
| frame->resources.push_back(resource.Pass()); |
| quad->texture_quad_state = texture_state.Pass(); |
| pass->quads.push_back(quad.Pass()); |
| |
| frame->passes.push_back(pass.Pass()); |
| return frame.Pass(); |
| } |
| |
| } // namespace mojo |