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GLSL: explicitly check for gl errors for pinned memory

This commit is contained in:
degasus 2013-03-16 10:08:46 +01:00
parent 059e100425
commit c7d75ee437
1 changed files with 12 additions and 3 deletions
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15
Source/Plugins/Plugin_VideoOGL/Src/StreamBuffer.cpp
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@ -37,10 +37,10 @@ StreamBuffer::StreamBuffer(u32 type, size_t size, StreamType uploadType)
{
if(!g_Config.backend_info.bSupportsGLBaseVertex)
m_uploadtype = BUFFERSUBDATA;
else if(g_Config.backend_info.bSupportsGLSync && g_Config.backend_info.bSupportsGLPinnedMemory)
m_uploadtype = PINNED_MEMORY;
else if(g_Config.backend_info.bSupportsGLSync && g_Config.bHackedBufferUpload)
m_uploadtype = MAP_AND_RISK;
else if(g_Config.backend_info.bSupportsGLSync && g_Config.backend_info.bSupportsGLPinnedMemory)
m_uploadtype = PINNED_MEMORY;
else if(nvidia)
m_uploadtype = BUFFERSUBDATA;
else if(g_Config.backend_info.bSupportsGLSync)
@ -176,15 +176,24 @@ void StreamBuffer::Init()
glBufferData(m_buffertype, m_size, NULL, GL_STREAM_DRAW);
break;
case PINNED_MEMORY:
glGetError(); // errors before this allocation should be ignored
fences = new GLsync[SYNC_POINTS];
for(u32 i=0; i<SYNC_POINTS; i++)
fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
pointer = (u8*)AllocateAlignedMemory(ROUND_UP(m_size,ALIGN_PINNED_MEMORY), ALIGN_PINNED_MEMORY );
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, m_buffer);
glBufferData(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, m_size, pointer, GL_STREAM_COPY);
glBufferData(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, ROUND_UP(m_size,ALIGN_PINNED_MEMORY), pointer, GL_STREAM_COPY);
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0);
glBindBuffer(m_buffertype, m_buffer);
// on error, switch to another backend. some old catalyst seems to have broken pinned memory support
if(glGetError() != GL_NO_ERROR) {
ERROR_LOG(VIDEO, "pinned memory detected, but not working. Please report this: %s, %s, %s", glGetString(GL_VENDOR), glGetString(GL_RENDERER), glGetString(GL_VERSION));
Shutdown();
m_uploadtype = MAP_AND_SYNC;
Init();
}
break;
case MAP_AND_RISK:
glBindBuffer(m_buffertype, m_buffer);