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Option allow downscaling 720p/1080p to 480p

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This commit is contained in:
raven02 2014-06-20 17:33:02 +08:00
parent f131f134a5
commit efffc7e6bc
5 changed files with 50 additions and 12 deletions
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16
rpcs3/Emu/GS/GL/GLGSRender.cpp
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@ -287,17 +287,17 @@ void GLGSRender::InitVertexData()
}
// Scale
scaleOffsetMat[0] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_SCALE + (0x4*0)] / (RSXThread::m_width / 2.0f);
scaleOffsetMat[5] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_SCALE + (0x4*1)] / (RSXThread::m_height / 2.0f);
scaleOffsetMat[0] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_SCALE + (0x4 * 0)] / (RSXThread::m_width / RSXThread::m_width_scale);
scaleOffsetMat[5] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_SCALE + (0x4 * 1)] / (RSXThread::m_height / RSXThread::m_height_scale);
scaleOffsetMat[10] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_SCALE + (0x4*2)];
// Offset
scaleOffsetMat[3] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_OFFSET + (0x4*0)] - (RSXThread::m_width / 2.0f);
scaleOffsetMat[7] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_OFFSET + (0x4*1)] - (RSXThread::m_height / 2.0f);
scaleOffsetMat[11] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_OFFSET + (0x4*2)] - 1/2.0f;
scaleOffsetMat[3] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_OFFSET + (0x4 * 0)] - (RSXThread::m_width / RSXThread::m_width_scale);
scaleOffsetMat[7] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_OFFSET + (0x4 * 1)] - (RSXThread::m_height / RSXThread::m_height_scale);
scaleOffsetMat[11] = (GLfloat&)methodRegisters[NV4097_SET_VIEWPORT_OFFSET + (0x4 * 2)];
scaleOffsetMat[3] /= RSXThread::m_width / 2.0f;
scaleOffsetMat[7] /= RSXThread::m_height / 2.0f;
scaleOffsetMat[3] /= RSXThread::m_width / RSXThread::m_width_scale;
scaleOffsetMat[7] /= RSXThread::m_height / RSXThread::m_height_scale;
l = m_program.GetLocation("scaleOffsetMat");
glUniformMatrix4fv(l, 1, false, scaleOffsetMat);
@ -598,6 +598,8 @@ void GLGSRender::OnInit()
m_skip_frames = 0;
RSXThread::m_width = 720;
RSXThread::m_height = 576;
RSXThread::m_width_scale = 2.0f;
RSXThread::m_height_scale = 2.0f;
last_width = 0;
last_height = 0;