diff options
Diffstat (limited to 'Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp')
| -rw-r--r-- | Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp | 54 |
1 files changed, 37 insertions, 17 deletions
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp b/Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp index 1f70c75d69..7452e12a97 100644 --- a/Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp +++ b/Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp @@ -29,6 +29,8 @@ namespace OGL extern bool s_bHaveFramebufferBlit; // comes from Render.cpp. ugly. static GLuint s_VBO = 0; +static MathUtil::Rectangle<float> s_cached_sourcerc; +static MathUtil::Rectangle<float> s_cached_drawrc; int FramebufferManager::m_targetWidth; int FramebufferManager::m_targetHeight; @@ -56,6 +58,15 @@ FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int ms m_resolvedDepthTexture = 0; m_xfbFramebuffer = 0; + s_cached_sourcerc.bottom = -1; + s_cached_sourcerc.left = -1; + s_cached_sourcerc.right = -1; + s_cached_sourcerc.top = -1; + s_cached_drawrc.bottom = -1; + s_cached_drawrc.left = -1; + s_cached_drawrc.right = -1; + s_cached_drawrc.top = -1; + m_targetWidth = targetWidth; m_targetHeight = targetHeight; @@ -311,23 +322,32 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc, glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture); - GLfloat vertices[] = { - drawrc.left, drawrc.bottom, - sourcerc.left, sourcerc.bottom, - 0.0f, 0.0f, - drawrc.left, drawrc.top, - sourcerc.left, sourcerc.top, - 0.0f, 1.0f, - drawrc.right, drawrc.top, - sourcerc.right, sourcerc.top, - 1.0f, 1.0f, - drawrc.right, drawrc.bottom, - sourcerc.right, sourcerc.bottom, - 1.0f, 0.0f - }; - - glBindBuffer(GL_ARRAY_BUFFER, s_VBO); - glBufferData(GL_ARRAY_BUFFER, 2*4*3*sizeof(GLfloat), vertices, GL_STREAM_DRAW); + if(!(s_cached_sourcerc == sourcerc) || !(s_cached_drawrc == drawrc)) { + GLfloat vertices[] = { + drawrc.left, drawrc.bottom, + sourcerc.left, sourcerc.bottom, + 0.0f, 0.0f, + drawrc.left, drawrc.top, + sourcerc.left, sourcerc.top, + 0.0f, 1.0f, + drawrc.right, drawrc.top, + sourcerc.right, sourcerc.top, + 1.0f, 1.0f, + drawrc.right, drawrc.bottom, + sourcerc.right, sourcerc.bottom, + 1.0f, 0.0f + }; + glBindBuffer(GL_ARRAY_BUFFER, s_VBO); + glBufferData(GL_ARRAY_BUFFER, 2*4*3*sizeof(GLfloat), vertices, GL_STREAM_DRAW); + + s_cached_sourcerc = sourcerc; + s_cached_drawrc = drawrc; + } + else + { + // TODO: remove on VAO + glBindBuffer(GL_ARRAY_BUFFER, s_VBO); + } // disable all pointer, TODO: use VAO glEnableClientState(GL_VERTEX_ARRAY); |