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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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7
src/core/gpu.h
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@ -240,6 +240,7 @@ protected:
static constexpr u16 PAGE_ATTRIBUTE_TEXTURE_PAGE_MASK = UINT16_C(0b0000000000011111);
static constexpr u16 PAGE_ATTRIBUTE_MASK = UINT16_C(0b0000000111111111);
static constexpr u16 PALETTE_ATTRIBUTE_MASK = UINT16_C(0b0111111111111111);
static constexpr u32 TEXTURE_WINDOW_MASK = UINT16_C(0b11111111111111111111);
// decoded values
u32 texture_page_x;
@ -258,10 +259,12 @@ protected:
// original values
u16 texpage_attribute; // from register in rectangle modes/vertex in polygon modes
u16 texlut_attribute; // from vertex
u32 texture_window_value;
bool texture_page_changed = false;
bool texture_color_mode_changed = false;
bool transparency_mode_changed = false;
bool texture_window_changed = false;
bool IsChanged() const { return texture_page_changed || texture_color_mode_changed || transparency_mode_changed; }
@ -274,11 +277,15 @@ protected:
bool IsTransparencyModeChanged() const { return transparency_mode_changed; }
void ClearTransparencyModeChangedFlag() { transparency_mode_changed = false; }
bool IsTextureWindowChanged() const { return texture_window_changed; }
void ClearTextureWindowChangedFlag() { texture_window_changed = false; }
void SetFromPolygonTexcoord(u32 texcoord0, u32 texcoord1);
void SetFromRectangleTexcoord(u32 texcoord);
void SetFromPageAttribute(u16 value);
void SetFromPaletteAttribute(u16 value);
void SetTextureWindow(u32 value);
} m_render_state = {};
struct DrawingArea