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GPU: Implement texture window

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This commit is contained in:
Connor McLaughlin
2019-10-05 23:25:06 +10:00
parent f59d35023c
commit bc8e035e37
5 changed files with 59 additions and 6 deletions
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22
src/core/gpu.cpp
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@ -73,9 +73,11 @@ bool GPU::DoState(StateWrapper& sw)
sw.Do(&m_render_state.texture_y_flip);
sw.Do(&m_render_state.texpage_attribute);
sw.Do(&m_render_state.texlut_attribute);
sw.Do(&m_render_state.texture_window_value);
sw.Do(&m_render_state.texture_page_changed);
sw.Do(&m_render_state.texture_color_mode_changed);
sw.Do(&m_render_state.transparency_mode_changed);
sw.Do(&m_render_state.texture_window_changed);
sw.Do(&m_drawing_area.left);
sw.Do(&m_drawing_area.top);
@ -113,6 +115,7 @@ bool GPU::DoState(StateWrapper& sw)
m_render_state.texture_page_changed = true;
m_render_state.texture_color_mode_changed = true;
m_render_state.transparency_mode_changed = true;
m_render_state.texture_window_changed = true;
UpdateGPUSTAT();
}
@ -437,10 +440,7 @@ void GPU::WriteGP0(u32 value)
case 0xE2: // set texture window
{
m_render_state.texture_window_mask_x = param & UINT32_C(0x1F);
m_render_state.texture_window_mask_y = (param >> 5) & UINT32_C(0x1F);
m_render_state.texture_window_offset_x = (param >> 10) & UINT32_C(0x1F);
m_render_state.texture_window_offset_y = (param >> 15) & UINT32_C(0x1F);
m_render_state.SetTextureWindow(value);
Log_DebugPrintf("Set texture window %02X %02X %02X %02X", m_render_state.texture_window_mask_x,
m_render_state.texture_window_mask_y, m_render_state.texture_window_offset_x,
m_render_state.texture_window_offset_y);
@ -895,6 +895,20 @@ void GPU::RenderState::SetFromPaletteAttribute(u16 value)
texture_page_changed = true;
}
void GPU::RenderState::SetTextureWindow(u32 value)
{
value &= TEXTURE_WINDOW_MASK;
if (texture_window_value == value)
return;
texture_window_mask_x = value & UINT32_C(0x1F);
texture_window_mask_y = (value >> 5) & UINT32_C(0x1F);
texture_window_offset_x = (value >> 10) & UINT32_C(0x1F);
texture_window_offset_y = (value >> 15) & UINT32_C(0x1F);
texture_window_value = value;
texture_window_changed = true;
}
bool GPU::DumpVRAMToFile(const char* filename, u32 width, u32 height, u32 stride, const void* buffer, bool remove_alpha)
{
std::vector<u32> rgba8_buf(width * height);