* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
*\r
*/\r
+// TODO: Smart GC\r
+\r
#include "../../stdafx.h"\r
\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
+ std::fill(blend_func_.begin(), blend_func_.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
+ GL(glDisable(GL_MULTISAMPLE_ARB));\r
});\r
}\r
\r
{\r
CASPAR_VERIFY(stride > 0 && stride < 5);\r
CASPAR_VERIFY(width > 0 && height > 0);\r
- auto pool = device_pools_[stride-1][((width << 16) & 0xFFFF0000) | (height & 0x0000FFFF)];\r
+ auto& pool = device_pools_[stride-1][((width << 16) & 0xFFFF0000) | (height & 0x0000FFFF)];\r
std::shared_ptr<device_buffer> buffer;\r
- if(!pool->try_pop(buffer)) \r
+ if(!pool->items.try_pop(buffer)) \r
{\r
executor_.invoke([&]\r
{ \r
}\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
}\r
- \r
- return safe_ptr<device_buffer>(buffer.get(), [=](device_buffer*)\r
- {\r
- pool->push(buffer);\r
+ \r
+ ++pool->usage_count;\r
+\r
+ return safe_ptr<device_buffer>(buffer.get(), [=](device_buffer*) mutable\r
+ { \r
+ pool->items.push(buffer); \r
});\r
}\r
\r
{\r
CASPAR_VERIFY(usage == host_buffer::write_only || usage == host_buffer::read_only);\r
CASPAR_VERIFY(size > 0);\r
- auto pool = host_pools_[usage][size];\r
+ auto& pool = host_pools_[usage][size];\r
std::shared_ptr<host_buffer> buffer;\r
- if(!pool->try_pop(buffer))\r
+ if(!pool->items.try_pop(buffer))\r
{\r
executor_.invoke([&]\r
{\r
}\r
catch(...)\r
{\r
- CASPAR_LOG(error) << L"ogl: create_host_buffer failed!";\r
- throw; \r
- }\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
}, high_priority); \r
}\r
\r
- return safe_ptr<host_buffer>(buffer.get(), [=](host_buffer*)\r
+ ++pool->usage_count;\r
+\r
+ return safe_ptr<host_buffer>(buffer.get(), [=](host_buffer*) mutable\r
{\r
- executor_.begin_invoke([=]\r
- {\r
+ executor_.begin_invoke([=]() mutable\r
+ { \r
if(usage == host_buffer::write_only)\r
buffer->map();\r
else\r
buffer->unmap();\r
- \r
- pool->push(buffer);\r
\r
- }, high_priority);\r
+ pool->items.push(buffer);\r
+ }, high_priority); \r
});\r
}\r
\r
+template<typename T>\r
+void flush_pool(buffer_pool<T>& pool)\r
+{ \r
+ if(pool.flush_count.fetch_and_increment() < 16)\r
+ return;\r
+\r
+ if(pool.usage_count.fetch_and_store(0) < pool.items.size())\r
+ {\r
+ std::shared_ptr<T> buffer;\r
+ pool.items.try_pop(buffer);\r
+ }\r
+\r
+ pool.flush_count = 0;\r
+ pool.usage_count = 0;\r
+}\r
+\r
+void ogl_device::flush()\r
+{\r
+ GL(glFlush()); \r
+ \r
+ try\r
+ {\r
+ BOOST_FOREACH(auto& pools, device_pools_)\r
+ {\r
+ BOOST_FOREACH(auto& pool, pools)\r
+ flush_pool(*pool.second);\r
+ }\r
+ BOOST_FOREACH(auto& pools, host_pools_)\r
+ {\r
+ BOOST_FOREACH(auto& pool, pools)\r
+ flush_pool(*pool.second);\r
+ }\r
+ }\r
+ catch(...)\r
+ {\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
+ }\r
+}\r
+\r
void ogl_device::yield()\r
{\r
executor_.yield();\r
BOOST_FOREACH(auto& pools, device_pools_)\r
{\r
BOOST_FOREACH(auto& pool, pools)\r
- pool.second->clear();\r
+ pool.second->items.clear();\r
}\r
BOOST_FOREACH(auto& pools, host_pools_)\r
{\r
BOOST_FOREACH(auto& pool, pools)\r
- pool.second->clear();\r
+ pool.second->items.clear();\r
}\r
}\r
catch(...)\r
\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
+ GL(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
+ GL(glClear(GL_COLOR_BUFFER_BIT));\r
+}\r
+\r
+void ogl_device::use(shader& shader)\r
+{\r
+ if(active_shader_ != shader.id())\r
+ { \r
+ GL(glUseProgramObjectARB(shader.id())); \r
+ active_shader_ = shader.id();\r
+ }\r
+}\r
+\r
+void ogl_device::blend_func(int c1, int c2, int a1, int a2)\r
+{\r
+ std::array<int, 4> func = {c1, c2, a1, a2};\r
+\r
+ if(blend_func_ != func)\r
+ {\r
+ blend_func_ = func;\r
+ GL(glBlendFuncSeparate(c1, c2, a1, a2));\r
+ }\r
+}\r
+\r
+void ogl_device::blend_func(int c1, int c2)\r
+{\r
+ blend_func(c1, c2, c1, c2);\r
+}\r
+\r
+}}\r
+\r
projects / casparcg / blobdiff