#include "../../stdafx.h"\r
\r
#include "image_mixer.h"\r
-#include "image_kernel.h"\r
\r
+#include "image_kernel.h"\r
+#include "../write_frame.h"\r
#include "../gpu/ogl_device.h"\r
#include "../gpu/host_buffer.h"\r
#include "../gpu/device_buffer.h"\r
-#include "../gpu/gpu_write_frame.h"\r
+#include "../../video_channel_context.h"\r
\r
-#include <common/concurrency/executor.h>\r
#include <common/exception/exceptions.h>\r
#include <common/gl/gl_check.h>\r
+#include <common/utility/move_on_copy.h>\r
\r
-#include <core/producer/frame/image_transform.h>\r
+#include <core/producer/frame/frame_transform.h>\r
#include <core/producer/frame/pixel_format.h>\r
#include <core/video_format.h>\r
\r
+#include <gl/glew.h>\r
+\r
#include <boost/foreach.hpp>\r
+#include <boost/range/algorithm_ext/erase.hpp>\r
\r
-#include <Glee.h>\r
-#include <SFML/Window/Context.hpp>\r
+#include <algorithm>\r
+#include <deque>\r
\r
-#include <array>\r
-#include <unordered_map>\r
+using namespace boost::assign;\r
\r
-namespace caspar { namespace mixer {\r
- \r
-struct image_mixer::implementation : boost::noncopyable\r
-{ \r
- const core::video_format_desc format_desc_;\r
+namespace caspar { namespace core {\r
\r
- std::stack<core::image_transform> transform_stack_;\r
-\r
- GLuint fbo_;\r
- std::array<std::shared_ptr<device_buffer>, 2> render_targets_;\r
- std::shared_ptr<device_buffer> key_target_;\r
- bool is_key_;\r
-\r
- std::shared_ptr<host_buffer> reading_;\r
-\r
- image_kernel kernel_;\r
+struct item\r
+{\r
+ pixel_format_desc pix_desc;\r
+ std::vector<safe_ptr<device_buffer>> textures;\r
+ frame_transform transform;\r
+};\r
\r
- struct render_item\r
- {\r
- core::pixel_format_desc desc;\r
- std::vector<safe_ptr<device_buffer>> textures;\r
- core::image_transform transform;\r
- };\r
- \r
- std::vector<render_item> waiting_queue_;\r
- std::vector<render_item> render_queue_;\r
+typedef std::pair<blend_mode::type, std::vector<item>> layer;\r
\r
+class image_renderer\r
+{\r
+ ogl_device& ogl_;\r
+ const video_format_desc format_desc_;\r
+ image_kernel kernel_; \r
+ std::shared_ptr<device_buffer> transferring_buffer_;\r
public:\r
- implementation(const core::video_format_desc& format_desc) \r
- : format_desc_(format_desc)\r
- , is_key_(false)\r
+ image_renderer(ogl_device& ogl, const video_format_desc& format_desc)\r
+ : ogl_(ogl)\r
+ , format_desc_(format_desc)\r
{\r
- ogl_device::invoke([]\r
+ }\r
+ \r
+ boost::unique_future<safe_ptr<host_buffer>> operator()(std::vector<layer>&& layers)\r
+ { \r
+ auto layers2 = make_move_on_copy(std::move(layers));\r
+ return ogl_.begin_invoke([=]\r
{\r
- if(!GLEE_VERSION_3_0)\r
- BOOST_THROW_EXCEPTION(not_supported() << msg_info("Missing OpenGL 3.0 support."));\r
+ return do_render(std::move(layers2.value));\r
});\r
- \r
- ogl_device::begin_invoke([=]\r
+ }\r
+ \r
+private:\r
+ safe_ptr<host_buffer> do_render(std::vector<layer>&& layers)\r
+ {\r
+ auto draw_buffer = create_mixer_buffer(4);\r
+\r
+ if(format_desc_.field_mode != field_mode::progressive)\r
{\r
- transform_stack_.push(core::image_transform());\r
- transform_stack_.top().set_mode(core::video_mode::progressive);\r
+ auto upper = layers;\r
+ auto lower = std::move(layers);\r
\r
- GL(glEnable(GL_TEXTURE_2D));\r
- GL(glDisable(GL_DEPTH_TEST)); \r
- \r
- key_target_ = ogl_device::create_device_buffer(format_desc.width, format_desc.height, 4);\r
- render_targets_[0] = ogl_device::create_device_buffer(format_desc.width, format_desc.height, 4);\r
- render_targets_[1] = ogl_device::create_device_buffer(format_desc.width, format_desc.height, 4);\r
- \r
- GL(glGenFramebuffers(1, &fbo_)); \r
- GL(glBindFramebuffer(GL_FRAMEBUFFER_EXT, fbo_));\r
- GL(glReadBuffer(GL_COLOR_ATTACHMENT0_EXT));\r
+ BOOST_FOREACH(auto& layer, upper)\r
+ {\r
+ BOOST_FOREACH(auto& item, layer.second)\r
+ item.transform.field_mode = static_cast<field_mode::type>(item.transform.field_mode & field_mode::upper);\r
+ }\r
\r
- reading_ = ogl_device::create_host_buffer(format_desc_.size, host_buffer::read_only);\r
- });\r
- }\r
+ BOOST_FOREACH(auto& layer, lower)\r
+ {\r
+ BOOST_FOREACH(auto& item, layer.second)\r
+ item.transform.field_mode = static_cast<field_mode::type>(item.transform.field_mode & field_mode::lower);\r
+ }\r
\r
- ~implementation()\r
- {\r
- glDeleteFramebuffersEXT(1, &fbo_);\r
- }\r
+ draw(std::move(upper), draw_buffer);\r
+ draw(std::move(lower), draw_buffer);\r
+ }\r
+ else\r
+ {\r
+ draw(std::move(layers), draw_buffer);\r
+ }\r
\r
- void begin(const core::basic_frame& frame)\r
- {\r
- transform_stack_.push(transform_stack_.top()*frame.get_image_transform());\r
- }\r
+ auto host_buffer = ogl_.create_host_buffer(format_desc_.size, host_buffer::read_only);\r
+ ogl_.attach(*draw_buffer);\r
+ host_buffer->begin_read(draw_buffer->width(), draw_buffer->height(), format(draw_buffer->stride()));\r
\r
- void visit(core::write_frame& frame)\r
- { \r
- auto gpu_frame = dynamic_cast<gpu_write_frame*>(&frame);\r
- if(!gpu_frame)\r
- return;\r
- \r
- auto desc = gpu_frame->get_pixel_format_desc();\r
- auto buffers = gpu_frame->get_plane_buffers();\r
- auto transform = transform_stack_.top();\r
+ transferring_buffer_ = std::move(draw_buffer);\r
\r
- ogl_device::begin_invoke([=]\r
- {\r
- render_item item;\r
-\r
- item.desc = desc;\r
- item.transform = transform;\r
+ ogl_.flush(); // NOTE: This is important, otherwise fences will deadlock.\r
\r
- for(size_t n = 0; n < buffers.size(); ++n)\r
- {\r
- GL(glActiveTexture(GL_TEXTURE0+n));\r
- auto texture = ogl_device::create_device_buffer(desc.planes[n].width, desc.planes[n].height, desc.planes[n].channels);\r
- texture->read(*buffers[n]);\r
- item.textures.push_back(texture);\r
- } \r
-\r
- waiting_queue_.push_back(item);\r
- });\r
+ return host_buffer;\r
}\r
\r
- void end()\r
+ void draw(std::vector<layer>&& layers, \r
+ safe_ptr<device_buffer>& draw_buffer)\r
{\r
- transform_stack_.pop();\r
+ std::shared_ptr<device_buffer> layer_key_buffer;\r
+\r
+ BOOST_FOREACH(auto& layer, layers)\r
+ draw_layer(std::move(layer), draw_buffer, layer_key_buffer);\r
}\r
\r
- boost::unique_future<safe_ptr<const host_buffer>> render()\r
- {\r
- auto result = ogl_device::begin_invoke([=]() -> safe_ptr<const host_buffer>\r
+ void draw_layer(layer&& layer, \r
+ safe_ptr<device_buffer>& draw_buffer,\r
+ std::shared_ptr<device_buffer>& layer_key_buffer)\r
+ { \r
+ boost::remove_erase_if(layer.second, [](const item& item){return item.transform.field_mode == field_mode::empty;});\r
+\r
+ if(layer.second.empty())\r
+ return;\r
+\r
+ std::shared_ptr<device_buffer> local_key_buffer;\r
+ std::shared_ptr<device_buffer> local_mix_buffer;\r
+ \r
+ if(layer.first != blend_mode::normal && layer.second.size() > 1)\r
{\r
- reading_->map(); // Might block.\r
- return make_safe(reading_);\r
- });\r
- \r
- ogl_device::begin_invoke([=]\r
+ auto layer_draw_buffer = create_mixer_buffer(4);\r
+\r
+ BOOST_FOREACH(auto& item, layer.second)\r
+ draw_item(std::move(item), layer_draw_buffer, layer_key_buffer, local_key_buffer, local_mix_buffer); \r
+ \r
+ draw_mixer_buffer(layer_draw_buffer, std::move(local_mix_buffer), blend_mode::normal); \r
+ draw_mixer_buffer(draw_buffer, std::move(layer_draw_buffer), layer.first);\r
+ }\r
+ else // fast path\r
{\r
- is_key_ = false;\r
+ BOOST_FOREACH(auto& item, layer.second) \r
+ draw_item(std::move(item), draw_buffer, layer_key_buffer, local_key_buffer, local_mix_buffer); \r
+ \r
+ draw_mixer_buffer(draw_buffer, std::move(local_mix_buffer), blend_mode::normal);\r
+ } \r
\r
- // Clear and bind frame-buffers.\r
+ layer_key_buffer = std::move(local_key_buffer);\r
+ }\r
\r
- key_target_->attach();\r
- GL(glClear(GL_COLOR_BUFFER_BIT)); \r
+ void draw_item(item&& item, \r
+ safe_ptr<device_buffer>& draw_buffer, \r
+ std::shared_ptr<device_buffer>& layer_key_buffer, \r
+ std::shared_ptr<device_buffer>& local_key_buffer, \r
+ std::shared_ptr<device_buffer>& local_mix_buffer)\r
+ { \r
+ draw_params draw_params;\r
+ draw_params.pix_desc = std::move(item.pix_desc);\r
+ draw_params.textures = std::move(item.textures);\r
+ draw_params.transform = std::move(item.transform);\r
+\r
+ if(item.transform.is_key)\r
+ {\r
+ local_key_buffer = local_key_buffer ? local_key_buffer : create_mixer_buffer(1);\r
\r
- render_targets_[0]->attach();\r
- GL(glClear(GL_COLOR_BUFFER_BIT));\r
+ draw_params.background = local_key_buffer;\r
+ draw_params.local_key = nullptr;\r
+ draw_params.layer_key = nullptr;\r
\r
- // Render items.\r
+ kernel_.draw(ogl_, std::move(draw_params));\r
+ }\r
+ else if(item.transform.is_mix)\r
+ {\r
+ local_mix_buffer = local_mix_buffer ? local_mix_buffer : create_mixer_buffer(4);\r
\r
- BOOST_FOREACH(auto item, render_queue_)\r
- render(item); \r
+ draw_params.background = local_mix_buffer;\r
+ draw_params.local_key = std::move(local_key_buffer);\r
+ draw_params.layer_key = layer_key_buffer;\r
\r
- // Move waiting items to queue.\r
+ draw_params.keyer = keyer::additive;\r
\r
- render_queue_ = std::move(waiting_queue_);\r
+ kernel_.draw(ogl_, std::move(draw_params));\r
+ }\r
+ else\r
+ {\r
+ draw_mixer_buffer(draw_buffer, std::move(local_mix_buffer), blend_mode::normal);\r
+ \r
+ draw_params.background = draw_buffer;\r
+ draw_params.local_key = std::move(local_key_buffer);\r
+ draw_params.layer_key = layer_key_buffer;\r
\r
- // Start read-back.\r
+ kernel_.draw(ogl_, std::move(draw_params));\r
+ } \r
+ }\r
\r
- reading_ = ogl_device::create_host_buffer(format_desc_.size, host_buffer::read_only);\r
- render_targets_[0]->attach();\r
- render_targets_[0]->write(*reading_);\r
- std::swap(render_targets_[0], render_targets_[1]);\r
- });\r
+ void draw_mixer_buffer(safe_ptr<device_buffer>& draw_buffer, \r
+ std::shared_ptr<device_buffer>&& source_buffer, \r
+ blend_mode::type blend_mode = blend_mode::normal)\r
+ {\r
+ if(!source_buffer)\r
+ return;\r
+\r
+ draw_params draw_params;\r
+ draw_params.pix_desc.pix_fmt = pixel_format::bgra;\r
+ draw_params.pix_desc.planes = list_of(pixel_format_desc::plane(source_buffer->width(), source_buffer->height(), 4));\r
+ draw_params.textures = list_of(source_buffer);\r
+ draw_params.transform = frame_transform();\r
+ draw_params.blend_mode = blend_mode;\r
+ draw_params.background = draw_buffer;\r
\r
- return std::move(result);\r
+ kernel_.draw(ogl_, std::move(draw_params));\r
+ }\r
+ \r
+ safe_ptr<device_buffer> create_mixer_buffer(size_t stride)\r
+ {\r
+ auto buffer = ogl_.create_device_buffer(format_desc_.width, format_desc_.height, stride);\r
+ ogl_.clear(*buffer);\r
+ return buffer;\r
+ }\r
+};\r
+ \r
+struct image_mixer::implementation : boost::noncopyable\r
+{ \r
+ ogl_device& ogl_;\r
+ image_renderer renderer_;\r
+ std::vector<frame_transform> transform_stack_;\r
+ std::vector<layer> layers_; // layer/stream/items\r
+public:\r
+ implementation(ogl_device& ogl, const video_format_desc& format_desc) \r
+ : ogl_(ogl)\r
+ , renderer_(ogl, format_desc)\r
+ , transform_stack_(1) \r
+ {\r
}\r
\r
- void render(const render_item& item)\r
- { \r
- const auto desc = item.desc;\r
- auto textures = item.textures;\r
- const auto transform = item.transform;\r
- \r
- // Bind textures\r
+ void begin_layer(blend_mode::type blend_mode)\r
+ {\r
+ layers_.push_back(std::make_pair(blend_mode, std::vector<item>()));\r
+ }\r
+ \r
+ void begin(basic_frame& frame)\r
+ {\r
+ transform_stack_.push_back(transform_stack_.back()*frame.get_frame_transform());\r
+ }\r
+ \r
+ void visit(write_frame& frame)\r
+ { \r
+ item item;\r
+ item.pix_desc = frame.get_pixel_format_desc();\r
+ item.textures = frame.get_textures();\r
+ item.transform = transform_stack_.back();\r
+\r
+ layers_.back().second.push_back(item);\r
+ }\r
\r
- for(size_t n = 0; n < textures.size(); ++n)\r
- {\r
- GL(glActiveTexture(GL_TEXTURE0+n));\r
- textures[n]->bind();\r
- } \r
+ void end()\r
+ {\r
+ transform_stack_.pop_back();\r
+ }\r
\r
- // Setup key and kernel\r
+ void end_layer()\r
+ { \r
+ }\r
+ \r
+ boost::unique_future<safe_ptr<host_buffer>> render()\r
+ {\r
+ return renderer_(std::move(layers_));\r
+ }\r
\r
- if(transform.get_is_key())\r
- {\r
- kernel_.apply(desc, transform, false);\r
- if(!is_key_)\r
- {\r
- key_target_->attach();\r
- is_key_ = true;\r
- GL(glClear(GL_COLOR_BUFFER_BIT)); \r
- }\r
- } \r
- else\r
- { \r
- kernel_.apply(desc, transform, is_key_); \r
- if(is_key_)\r
- {\r
- is_key_ = false;\r
-\r
- render_targets_[0]->attach(); \r
- GL(glActiveTexture(GL_TEXTURE0+3));\r
- key_target_->bind();\r
- } \r
- } \r
-\r
- GL(glColor4d(1.0, 1.0, 1.0, transform.get_opacity()));\r
- GL(glViewport(0, 0, format_desc_.width, format_desc_.height));\r
- \r
- auto m_p = transform.get_key_translation();\r
- auto m_s = transform.get_key_scale();\r
- double w = static_cast<double>(format_desc_.width);\r
- double h = static_cast<double>(format_desc_.height);\r
-\r
- GL(glEnable(GL_SCISSOR_TEST));\r
- GL(glScissor(static_cast<size_t>(m_p[0]*w), static_cast<size_t>(m_p[1]*h), static_cast<size_t>(m_s[0]*w), static_cast<size_t>(m_s[1]*h)));\r
- \r
- auto f_p = transform.get_fill_translation();\r
- auto f_s = transform.get_fill_scale();\r
- \r
- glBegin(GL_QUADS);\r
- glMultiTexCoord2d(GL_TEXTURE0, 0.0, 0.0); glMultiTexCoord2d(GL_TEXTURE1, f_p[0] , f_p[1] ); glVertex2d( f_p[0] *2.0-1.0, f_p[1] *2.0-1.0);\r
- glMultiTexCoord2d(GL_TEXTURE0, 1.0, 0.0); glMultiTexCoord2d(GL_TEXTURE1, (f_p[0]+f_s[0]), f_p[1] ); glVertex2d((f_p[0]+f_s[0])*2.0-1.0, f_p[1] *2.0-1.0);\r
- glMultiTexCoord2d(GL_TEXTURE0, 1.0, 1.0); glMultiTexCoord2d(GL_TEXTURE1, (f_p[0]+f_s[0]), (f_p[1]+f_s[1])); glVertex2d((f_p[0]+f_s[0])*2.0-1.0, (f_p[1]+f_s[1])*2.0-1.0);\r
- glMultiTexCoord2d(GL_TEXTURE0, 0.0, 1.0); glMultiTexCoord2d(GL_TEXTURE1, f_p[0] , (f_p[1]+f_s[1])); glVertex2d( f_p[0] *2.0-1.0, (f_p[1]+f_s[1])*2.0-1.0);\r
- glEnd();\r
- GL(glDisable(GL_SCISSOR_TEST)); \r
+ safe_ptr<write_frame> create_frame(const void* tag, const pixel_format_desc& desc)\r
+ {\r
+ return make_safe<write_frame>(ogl_, tag, desc);\r
}\r
- \r
- std::vector<safe_ptr<host_buffer>> create_buffers(const core::pixel_format_desc& format)\r
+\r
+ boost::unique_future<safe_ptr<write_frame>> create_frame2(const void* tag, const pixel_format_desc& desc)\r
{\r
- std::vector<safe_ptr<host_buffer>> buffers;\r
- std::transform(format.planes.begin(), format.planes.end(), std::back_inserter(buffers), [&](const core::pixel_format_desc::plane& plane)\r
- {\r
- return ogl_device::create_host_buffer(plane.size, host_buffer::write_only);\r
- });\r
- return buffers;\r
+ return ogl_.begin_invoke([=]{return make_safe<write_frame>(ogl_, tag, desc);}, high_priority);\r
}\r
};\r
\r
-image_mixer::image_mixer(const core::video_format_desc& format_desc) : impl_(new implementation(format_desc)){}\r
-void image_mixer::begin(const core::basic_frame& frame){impl_->begin(frame);}\r
-void image_mixer::visit(core::write_frame& frame){impl_->visit(frame);}\r
+image_mixer::image_mixer(ogl_device& ogl, const video_format_desc& format_desc) : impl_(new implementation(ogl, format_desc)){}\r
+void image_mixer::begin(basic_frame& frame){impl_->begin(frame);}\r
+void image_mixer::visit(write_frame& frame){impl_->visit(frame);}\r
void image_mixer::end(){impl_->end();}\r
-boost::unique_future<safe_ptr<const host_buffer>> image_mixer::render(){return impl_->render();}\r
-std::vector<safe_ptr<host_buffer>> image_mixer::create_buffers(const core::pixel_format_desc& format){return impl_->create_buffers(format);}\r
+boost::unique_future<safe_ptr<host_buffer>> image_mixer::render(){return impl_->render();}\r
+safe_ptr<write_frame> image_mixer::create_frame(const void* tag, const pixel_format_desc& desc){return impl_->create_frame(tag, desc);}\r
+boost::unique_future<safe_ptr<write_frame>> image_mixer::create_frame2(const void* tag, const pixel_format_desc& desc){return impl_->create_frame2(tag, desc);}\r
+void image_mixer::begin_layer(blend_mode::type blend_mode){impl_->begin_layer(blend_mode);}\r
+void image_mixer::end_layer(){impl_->end_layer();}\r
+image_mixer& image_mixer::operator=(image_mixer&& other)\r
+{\r
+ impl_ = std::move(other.impl_);\r
+ return *this;\r
+}\r
\r
}}
\ No newline at end of file