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GPU: Implement transparency mode

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This commit is contained in:
Connor McLaughlin
2019-09-19 00:55:06 +10:00
parent 23ef1cafbd
commit d84bffead1
5 changed files with 52 additions and 19 deletions
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24
src/pse/gpu.cpp
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@ -388,7 +388,6 @@ void GPU::WriteGP0(u32 value)
m_GPUSTAT.texture_disable = (param & (UINT32_C(1) << 11)) != 0;
m_texture_config.x_flip = (param & (UINT32_C(1) << 12)) != 0;
m_texture_config.y_flip = (param & (UINT32_C(1) << 13)) != 0;
m_texture_config.SetColorMode(m_GPUSTAT.texture_color_mode);
Log_DebugPrintf("Set draw mode %08X", param);
}
break;
@ -749,18 +748,6 @@ void GPU::DispatchRenderCommand(RenderCommand rc, u32 num_vertices) {}
void GPU::FlushRender() {}
void GPU::TextureConfig::SetColorMode(TextureColorMode new_color_mode)
{
if (new_color_mode == TextureColorMode::Reserved_Direct16Bit)
new_color_mode = TextureColorMode::Direct16Bit;
if (color_mode == new_color_mode)
return;
color_mode = new_color_mode;
page_changed = true;
}
void GPU::TextureConfig::SetFromPolygonTexcoord(u32 texcoord0, u32 texcoord1)
{
SetFromPaletteAttribute(Truncate16(texcoord0 >> 16));
@ -778,11 +765,16 @@ void GPU::TextureConfig::SetFromPageAttribute(u16 value)
if (page_attribute == value)
return;
base_x = static_cast<s32>(ZeroExtend32(value & UINT16_C(0x0F)) * UINT32_C(64));
base_y = static_cast<s32>(ZeroExtend32((value >> 11) & UINT16_C(1)) * UINT32_C(512));
SetColorMode(static_cast<TextureColorMode>((value >> 7) & UINT16_C(0x03)));
page_attribute = value;
page_changed = true;
base_x = static_cast<s32>(ZeroExtend32(value & UINT16_C(0x0F)) * UINT32_C(64));
base_y = static_cast<s32>(ZeroExtend32((value >> 11) & UINT16_C(1)) * UINT32_C(512));
color_mode = (static_cast<TextureColorMode>((value >> 7) & UINT16_C(0x03)));
if (color_mode == TextureColorMode::Reserved_Direct16Bit)
color_mode = TextureColorMode::Direct16Bit;
transparency_mode = (static_cast<TransparencyMode>((value >> 5) & UINT16_C(0x03)));
}
void GPU::TextureConfig::SetFromPaletteAttribute(u16 value)