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ogl: fix the range of glDrawRangeElements 

This range isn't the amound of rendered vertices (this is count).
It's the minimum/maximum of the indices in the index buffer.
This commit is contained in:
degasus 2013-08-20 15:25:02 +02:00
parent 64bd6a44d4
commit 7b99fad274
1 changed files with 7 additions and 6 deletions
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13
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
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@ -115,38 +115,39 @@ void VertexManager::Draw(u32 stride)
u32 triangle_index_size = IndexGenerator::GetTriangleindexLen();
u32 line_index_size = IndexGenerator::GetLineindexLen();
u32 point_index_size = IndexGenerator::GetPointindexLen();
u32 max_index = IndexGenerator::GetNumVerts();
GLenum triangle_mode = g_ActiveConfig.backend_info.bSupportsPrimitiveRestart?GL_TRIANGLE_STRIP:GL_TRIANGLES;
if(g_ogl_config.bSupportsGLBaseVertex) {
if (triangle_index_size > 0)
{
glDrawRangeElementsBaseVertex(triangle_mode, 0, IndexGenerator::GetNumTriangles() * 3, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0], s_baseVertex);
glDrawRangeElementsBaseVertex(triangle_mode, 0, max_index, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawRangeElementsBaseVertex(GL_LINES, 0, IndexGenerator::GetNumLines() * 2, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1], s_baseVertex);
glDrawRangeElementsBaseVertex(GL_LINES, 0, max_index, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawRangeElementsBaseVertex(GL_POINTS, 0, IndexGenerator::GetNumPoints(), point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2], s_baseVertex);
glDrawRangeElementsBaseVertex(GL_POINTS, 0, max_index, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2], s_baseVertex);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
} else {
if (triangle_index_size > 0)
{
glDrawRangeElements(triangle_mode, 0, IndexGenerator::GetNumTriangles() * 3, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0]);
glDrawRangeElements(triangle_mode, 0, max_index, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (line_index_size > 0)
{
glDrawRangeElements(GL_LINES, 0, IndexGenerator::GetNumLines() * 2, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1]);
glDrawRangeElements(GL_LINES, 0, max_index, line_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[1]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
if (point_index_size > 0)
{
glDrawRangeElements(GL_POINTS, 0, IndexGenerator::GetNumPoints(), point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2]);
glDrawRangeElements(GL_POINTS, 0, max_index, point_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[2]);
INCSTAT(stats.thisFrame.numIndexedDrawCalls);
}
}