2.0. - blend_modes are re-enabled.

[casparcg] / core / mixer / gpu / ogl_device.cpp

diff --git a/core/mixer/gpu/ogl_device.cpp b/core/mixer/gpu/ogl_device.cpp
index 85f9638d598a70b23c9fbda53425927b7230a049..1f2698d532a412c59a2af65e88f3aa87be1305ed 100644 (file)
--- a/core/mixer/gpu/ogl_device.cpp
+++ b/core/mixer/gpu/ogl_device.cpp
@@ -21,20 +21,39 @@
 \r
 #include "ogl_device.h"\r
 \r
+#include "shader.h"\r
+\r
+#include <common/exception/exceptions.h>\r
 #include <common/utility/assert.h>\r
 #include <common/gl/gl_check.h>\r
 \r
 #include <boost/foreach.hpp>\r
 \r
+#include <gl/glew.h>\r
+\r
 namespace caspar { namespace core {\r
 \r
-ogl_device::ogl_device() : executor_(L"ogl_device")\r
+ogl_device::ogl_device() \r
+       : executor_(L"ogl_device")\r
+       , pattern_(nullptr)\r
+       , attached_texture_(0)\r
+       , active_shader_(0)\r
 {\r
+       std::fill(binded_textures_.begin(), binded_textures_.end(), 0);\r
+       std::fill(viewport_.begin(), viewport_.end(), 0);\r
+       std::fill(scissor_.begin(), scissor_.end(), 0);\r
+       \r
        invoke([=]\r
        {\r
                context_.reset(new sf::Context());\r
                context_->SetActive(true);\r
-                                               \r
+               \r
+               if (glewInit() != GLEW_OK)\r
+                       BOOST_THROW_EXCEPTION(gl::ogl_exception() << msg_info("Failed to initialize GLEW."));\r
+                               \r
+               if(!GLEW_VERSION_3_2)\r
+                       CASPAR_LOG(warning) << "Missing OpenGL 3.2 support.";\r
+       \r
                GL(glGenFramebuffers(1, &fbo_));                \r
                GL(glBindFramebuffer(GL_FRAMEBUFFER_EXT, fbo_));\r
                GL(glReadBuffer(GL_COLOR_ATTACHMENT0_EXT));\r
@@ -69,8 +88,19 @@ safe_ptr<device_buffer> ogl_device::create_device_buffer(size_t width, size_t he
                        }\r
                        catch(...)\r
                        {\r
-                               CASPAR_LOG(error) << L"ogl: create_device_buffer failed!";\r
-                               throw;\r
+                               try\r
+                               {\r
+                                       yield();\r
+                                       gc().wait();\r
+                                       \r
+                                       // Try again\r
+                                       buffer.reset(new device_buffer(width, height, stride));\r
+                               }\r
+                               catch(...)\r
+                               {\r
+                                       CASPAR_LOG(error) << L"ogl: create_device_buffer failed!";\r
+                                       throw;\r
+                               }\r
                        }\r
 \r
                }, high_priority);      \r
@@ -102,8 +132,23 @@ safe_ptr<host_buffer> ogl_device::create_host_buffer(size_t size, host_buffer::u
                        }\r
                        catch(...)\r
                        {\r
-                               CASPAR_LOG(error) << L"ogl: create_host_buffer failed!";\r
-                               throw;                          \r
+                               try\r
+                               {\r
+                                       yield();\r
+                                       gc().wait();\r
+\r
+                                       // Try again\r
+                                       buffer.reset(new host_buffer(size, usage));\r
+                                       if(usage == host_buffer::write_only)\r
+                                               buffer->map();\r
+                                       else\r
+                                               buffer->unmap();        \r
+                               }\r
+                               catch(...)\r
+                               {\r
+                                       CASPAR_LOG(error) << L"ogl: create_host_buffer failed!";\r
+                                       throw;          \r
+                               }\r
                        }\r
 \r
                }, high_priority);      \r
@@ -157,14 +202,95 @@ boost::unique_future<void> ogl_device::gc()
 \r
 std::wstring ogl_device::get_version()\r
 {      \r
-       static std::wstring ver;\r
-       if(ver.empty())\r
+       static std::wstring ver = L"Not found";\r
+       try\r
        {\r
                ogl_device tmp;\r
                ver = widen(tmp.invoke([]{return std::string(reinterpret_cast<const char*>(glGetString(GL_VERSION)));})\r
-               + " "   + tmp.invoke([]{return std::string(reinterpret_cast<const char*>(glGetString(GL_VENDOR)));}));  \r
+               + " "   + tmp.invoke([]{return std::string(reinterpret_cast<const char*>(glGetString(GL_VENDOR)));}));                  \r
        }\r
+       catch(...){}\r
+\r
        return ver;\r
 }\r
 \r
-}}
\ No newline at end of file
+\r
+void ogl_device::enable(GLenum cap)\r
+{\r
+       auto& val = caps_[cap];\r
+       if(!val)\r
+       {\r
+               glEnable(cap);\r
+               val = true;\r
+       }\r
+}\r
+\r
+void ogl_device::disable(GLenum cap)\r
+{\r
+       auto& val = caps_[cap];\r
+       if(val)\r
+       {\r
+               glDisable(cap);\r
+               val = false;\r
+       }\r
+}\r
+\r
+void ogl_device::viewport(size_t x, size_t y, size_t width, size_t height)\r
+{\r
+       if(x != viewport_[0] || y != viewport_[1] || width != viewport_[2] || height != viewport_[3])\r
+       {               \r
+               glViewport(x, y, width, height);\r
+               viewport_[0] = x;\r
+               viewport_[1] = y;\r
+               viewport_[2] = width;\r
+               viewport_[3] = height;\r
+       }\r
+}\r
+\r
+void ogl_device::scissor(size_t x, size_t y, size_t width, size_t height)\r
+{\r
+       if(x != scissor_[0] || y != scissor_[1] || width != scissor_[2] || height != scissor_[3])\r
+       {               \r
+               glScissor(x, y, width, height);\r
+               scissor_[0] = x;\r
+               scissor_[1] = y;\r
+               scissor_[2] = width;\r
+               scissor_[3] = height;\r
+       }\r
+}\r
+\r
+void ogl_device::stipple_pattern(const GLubyte* pattern)\r
+{\r
+       if(pattern_ != pattern)\r
+       {               \r
+               glPolygonStipple(pattern);\r
+               pattern_ = pattern;\r
+       }\r
+}\r
+\r
+void ogl_device::attach(device_buffer& texture)\r
+{      \r
+       if(attached_texture_ != texture.id())\r
+       {\r
+               glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + 0, GL_TEXTURE_2D, texture.id(), 0);\r
+               attached_texture_ = texture.id();\r
+       }\r
+}\r
+\r
+void ogl_device::clear(device_buffer& texture)\r
+{      \r
+       attach(texture);\r
+       glClear(GL_COLOR_BUFFER_BIT);\r
+}\r
+\r
+void ogl_device::use(shader& shader)\r
+{\r
+       if(active_shader_ != shader.id())\r
+       {               \r
+               glUseProgramObjectARB(shader.id());     \r
+               active_shader_ = shader.id();\r
+       }\r
+}\r
+\r
+}}\r
+\r