mirror of https://github.com/PCSX2/pcsx2.git
gsdx ogl: separate channel code into a separate function
This commit is contained in:
Gregory Hainaut
parent
c6e1753803
commit
3d192b7f8d
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@ -338,6 +338,130 @@ bool GSRendererOGL::EmulateTextureShuffleAndFbmask(GSDeviceOGL::PSSelector& ps_s
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return require_barrier;
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}
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void GSRendererOGL::EmulateChannelShuffle(GSDeviceOGL::PSSelector& ps_sel, GSTexture** rt, const GSTextureCache::Source* tex)
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{
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GSDeviceOGL* dev = (GSDeviceOGL*)m_dev;
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// Uncomment to disable HLE emulation (allow to trace the draw call)
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// m_channel_shuffle = false;
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// First let's check we really have a channel shuffle effect
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if (m_channel_shuffle) {
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if (m_game.title == CRC::GT4 || m_game.title == CRC::GT3 || m_game.title == CRC::GTConcept || m_game.title == CRC::TouristTrophy) {
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GL_INS("Gran Turismo RGB Channel");
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ps_sel.channel = 7;
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m_context->TEX0.TFX = TFX_DECAL;
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*rt = tex->m_from_target;
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} else if (m_game.title == CRC::Tekken5) {
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GL_INS("Tekken5 RGB Channel");
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ps_sel.channel = 7;
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m_context->FRAME.FBMSK = 0xFF000000;
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// 12 pages: 2 calls by channel, 3 channels, 1 blit
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// Minus current draw call
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m_skip = 12 * (3 + 3 + 1) - 1;
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*rt = tex->m_from_target;
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} else if ((tex->m_texture->GetType() == GSTexture::DepthStencil) && !(tex->m_32_bits_fmt)) {
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// So far 2 games hit this code path. Urban Chaos and Tales of Abyss
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// UC: will copy depth to green channel
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// ToA: will copy depth to alpha channel
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if ((m_context->FRAME.FBMSK & 0xFF0000) == 0xFF0000) {
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// Green channel is masked
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GL_INS("Tales Of Abyss Crazyness (MSB 16b depth to Alpha)");
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ps_sel.tales_of_abyss_hle = 1;
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} else {
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GL_INS("Urban Chaos Crazyness (Green extraction)");
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ps_sel.urban_chaos_hle = 1;
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}
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} else if (m_index.tail <= 64 && m_context->CLAMP.WMT == 3) {
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// Blood will tell. I think it is channel effect too but again
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// implemented in a different way. I don't want to add more CRC stuff. So
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// let's disable channel when the signature is different
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//
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// Note: Tales Of Abyss and Tekken5 could hit this path too. Those games are
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// handled above.
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GL_INS("maybe not a channel!");
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m_channel_shuffle = false;
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} else if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MAXU & 0x8) == 8)) {
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// Read either blue or Alpha. Let's go for Blue ;)
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// MGS3/Kill Zone
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GL_INS("Blue channel");
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ps_sel.channel = 3;
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} else if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MINU & 0x8) == 0)) {
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// Read either Red or Green. Let's check the V coordinate. 0-1 is likely top so
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// red. 2-3 is likely bottom so green (actually depends on texture base pointer offset)
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bool green = PRIM->FST && (m_vertex.buff[0].V & 32);
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if (green && (m_context->FRAME.FBMSK & 0x00FFFFFF) == 0x00FFFFFF) {
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// Typically used in Terminator 3
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int blue_mask = m_context->FRAME.FBMSK >> 24;
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int green_mask = ~blue_mask & 0xFF;
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int blue_shift = -1;
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// Note: potentially we could also check the value of the clut
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switch (m_context->FRAME.FBMSK >> 24) {
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case 0xFF: ASSERT(0); break;
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case 0xFE: blue_shift = 1; break;
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case 0xFC: blue_shift = 2; break;
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case 0xF8: blue_shift = 3; break;
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case 0xF0: blue_shift = 4; break;
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case 0xE0: blue_shift = 5; break;
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case 0xC0: blue_shift = 6; break;
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case 0x80: blue_shift = 7; break;
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default: ASSERT(0); break;
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}
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int green_shift = 8 - blue_shift;
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dev->SetupCBMisc(GSVector4i(blue_mask, blue_shift, green_mask, green_shift));
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if (blue_shift >= 0) {
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GL_INS("Green/Blue channel (%d, %d)", blue_shift, green_shift);
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ps_sel.channel = 6;
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m_context->FRAME.FBMSK = 0x00FFFFFF;
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} else {
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GL_INS("Green channel (wrong mask) (fbmask %x)", m_context->FRAME.FBMSK >> 24);
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ps_sel.channel = 2;
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}
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} else if (green) {
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GL_INS("Green channel");
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ps_sel.channel = 2;
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} else {
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// Pop
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GL_INS("Red channel");
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ps_sel.channel = 1;
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}
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} else {
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GL_INS("channel not supported");
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m_channel_shuffle = false;
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ASSERT(0);
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}
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}
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// Effect is really a channel shuffle effect so let's cheat a little
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if (m_channel_shuffle) {
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dev->PSSetShaderResource(4, tex->m_from_target);
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glTextureBarrier();
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// Replace current draw with a fullscreen sprite
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//
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// Performance GPU note: it could be wise to reduce the size to
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// the rendered size of the framebuffer
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GSVertex* s = &m_vertex.buff[0];
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s[0].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 0);
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s[1].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 16384);
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s[0].XYZ.Y = (uint16)(m_context->XYOFFSET.OFY + 0);
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s[1].XYZ.Y = (uint16)(m_context->XYOFFSET.OFY + 16384);
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m_vertex.head = m_vertex.tail = m_vertex.next = 2;
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m_index.tail = 2;
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} else {
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#ifdef ENABLE_OGL_DEBUG
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dev->PSSetShaderResource(4, NULL);
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#endif
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}
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}
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bool GSRendererOGL::EmulateBlending(GSDeviceOGL::PSSelector& ps_sel, bool DATE_GL42)
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{
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GSDeviceOGL* dev = (GSDeviceOGL*)m_dev;
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@ -673,126 +797,7 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
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// Warning it must be done at the begining because it will change the
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// vertex list (it will interact with PrimitiveOverlap and accurate
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// blending)
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//
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//
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// Uncomment to disable HLE emulation (allow to trace the draw call)
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// m_channel_shuffle = false;
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// First let's check we really have a channel shuffle effect
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if (m_channel_shuffle) {
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if (m_game.title == CRC::GT4 || m_game.title == CRC::GT3 || m_game.title == CRC::GTConcept || m_game.title == CRC::TouristTrophy) {
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GL_INS("Gran Turismo RGB Channel");
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ps_sel.channel = 7;
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m_context->TEX0.TFX = TFX_DECAL;
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rt = tex->m_from_target;
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} else if (m_game.title == CRC::Tekken5) {
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GL_INS("Tekken5 RGB Channel");
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ps_sel.channel = 7;
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m_context->FRAME.FBMSK = 0xFF000000;
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// 12 pages: 2 calls by channel, 3 channels, 1 blit
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// Minus current draw call
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m_skip = 12 * (3 + 3 + 1) - 1;
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rt = tex->m_from_target;
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} else if ((tex->m_texture->GetType() == GSTexture::DepthStencil) && !(tex->m_32_bits_fmt)) {
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// So far 2 games hit this code path. Urban Chaos and Tales of Abyss
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// UC: will copy depth to green channel
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// ToA: will copy depth to alpha channel
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if ((m_context->FRAME.FBMSK & 0xFF0000) == 0xFF0000) {
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// Green channel is masked
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GL_INS("Tales Of Abyss Crazyness (MSB 16b depth to Alpha)");
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ps_sel.tales_of_abyss_hle = 1;
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} else {
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GL_INS("Urban Chaos Crazyness (Green extraction)");
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ps_sel.urban_chaos_hle = 1;
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}
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} else if (m_index.tail <= 64 && m_context->CLAMP.WMT == 3) {
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// Blood will tell. I think it is channel effect too but again
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// implemented in a different way. I don't want to add more CRC stuff. So
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// let's disable channel when the signature is different
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//
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// Note: Tales Of Abyss and Tekken5 could hit this path too. Those games are
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// handled above.
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GL_INS("maybe not a channel!");
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m_channel_shuffle = false;
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} else if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MAXU & 0x8) == 8)) {
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// Read either blue or Alpha. Let's go for Blue ;)
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// MGS3/Kill Zone
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GL_INS("Blue channel");
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ps_sel.channel = 3;
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} else if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MINU & 0x8) == 0)) {
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// Read either Red or Green. Let's check the V coordinate. 0-1 is likely top so
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// red. 2-3 is likely bottom so green (actually depends on texture base pointer offset)
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bool green = PRIM->FST && (m_vertex.buff[0].V & 32);
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if (green && (m_context->FRAME.FBMSK & 0x00FFFFFF) == 0x00FFFFFF) {
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// Typically used in Terminator 3
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int blue_mask = m_context->FRAME.FBMSK >> 24;
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int green_mask = ~blue_mask & 0xFF;
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int blue_shift = -1;
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// Note: potentially we could also check the value of the clut
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switch (m_context->FRAME.FBMSK >> 24) {
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case 0xFF: ASSERT(0); break;
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case 0xFE: blue_shift = 1; break;
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case 0xFC: blue_shift = 2; break;
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case 0xF8: blue_shift = 3; break;
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case 0xF0: blue_shift = 4; break;
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case 0xE0: blue_shift = 5; break;
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case 0xC0: blue_shift = 6; break;
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case 0x80: blue_shift = 7; break;
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default: ASSERT(0); break;
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}
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int green_shift = 8 - blue_shift;
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dev->SetupCBMisc(GSVector4i(blue_mask, blue_shift, green_mask, green_shift));
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if (blue_shift >= 0) {
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GL_INS("Green/Blue channel (%d, %d)", blue_shift, green_shift);
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ps_sel.channel = 6;
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m_context->FRAME.FBMSK = 0x00FFFFFF;
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} else {
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GL_INS("Green channel (wrong mask) (fbmask %x)", m_context->FRAME.FBMSK >> 24);
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ps_sel.channel = 2;
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}
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} else if (green) {
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GL_INS("Green channel");
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ps_sel.channel = 2;
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} else {
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// Pop
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GL_INS("Red channel");
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ps_sel.channel = 1;
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}
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} else {
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GL_INS("channel not supported");
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m_channel_shuffle = false;
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ASSERT(0);
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}
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}
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// Effect is really a channel shuffle effect so let's cheat a little
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if (m_channel_shuffle) {
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dev->PSSetShaderResource(4, tex->m_from_target);
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glTextureBarrier();
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// Replace current draw with a fullscreen sprite
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//
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// Performance GPU note: it could be wise to reduce the size to
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// the rendered size of the framebuffer
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GSVertex* s = &m_vertex.buff[0];
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s[0].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 0);
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s[1].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 16384);
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s[0].XYZ.Y = (uint16)(m_context->XYOFFSET.OFY + 0);
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s[1].XYZ.Y = (uint16)(m_context->XYOFFSET.OFY + 16384);
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m_vertex.head = m_vertex.tail = m_vertex.next = 2;
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m_index.tail = 2;
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} else {
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#ifdef ENABLE_OGL_DEBUG
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dev->PSSetShaderResource(4, NULL);
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#endif
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}
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EmulateChannelShuffle(ps_sel, &rt, tex);
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// Upscaling hack to avoid various line/grid issues
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if (UserHacks_merge_sprite && tex && tex->m_target && (m_vt.m_primclass == GS_SPRITE_CLASS)) {
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@ -65,6 +65,7 @@ class GSRendererOGL final : public GSRendererHW
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inline void EmulateGS();
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inline void SetupIA();
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inline bool EmulateTextureShuffleAndFbmask(GSDeviceOGL::PSSelector& ps_sel, GSDeviceOGL::OMColorMaskSelector& om_csel);
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inline void EmulateChannelShuffle(GSDeviceOGL::PSSelector& ps_sel, GSTexture** rt, const GSTextureCache::Source* tex);
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inline bool EmulateBlending(GSDeviceOGL::PSSelector& ps_sel, bool DATE_GL42);
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public:
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