history-museum/winamp
1
0
Fork 0
mirror of https://github.com/WinampDesktop/winamp.git synced 2025-06-18 19:45:47 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

GPU: Simplify batch state

Browse Source
This commit is contained in:
Connor McLaughlin
2019-11-01 21:47:45 +10:00
parent d8a02d7a15
commit 1c79737021
7 changed files with 126 additions and 152 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/core/gpu.h
View File

@ -138,20 +138,33 @@ protected:
R16x16 = 3
};
enum class TextureColorMode : u8
enum class TextureMode : u8
{
Palette4Bit = 0,
Palette8Bit = 1,
Direct16Bit = 2,
Reserved_Direct16Bit = 3
Reserved_Direct16Bit = 3,
// Not register values.
RawTextureBit = 4,
RawPalette4Bit = RawTextureBit | Palette4Bit,
RawPalette8Bit = RawTextureBit | Palette8Bit,
RawDirect16Bit = RawTextureBit | Direct16Bit,
Reserved_RawDirect16Bit = RawTextureBit | Reserved_Direct16Bit,
Disabled = 8 // Not a register value
};
IMPLEMENT_STATIC_FRIEND_ENUM_CLASS_BITWISE_OPERATORS(TextureMode);
enum class TransparencyMode : u8
{
HalfBackgroundPlusHalfForeground = 0,
BackgroundPlusForeground = 1,
BackgroundMinusForeground = 2,
BackgroundPlusQuarterForeground = 3
BackgroundPlusQuarterForeground = 3,
Disabled = 4 // Not a register value
};
union RenderCommand
@ -159,7 +172,7 @@ protected:
u32 bits;
BitField<u32, u32, 0, 24> color_for_first_vertex;
BitField<u32, bool, 24, 1> texture_blend_disable; // not valid for lines
BitField<u32, bool, 24, 1> raw_texture_enable; // not valid for lines
BitField<u32, bool, 25, 1> transparency_enable;
BitField<u32, bool, 26, 1> texture_enable;
BitField<u32, DrawRectangleSize, 27, 2> rectangle_size; // only for rectangles
@ -170,7 +183,7 @@ protected:
// Helper functions.
bool IsTextureEnabled() const { return (primitive != Primitive::Line && texture_enable); }
bool IsTextureBlendingEnabled() const { return (IsTextureEnabled() && !texture_blend_disable); }
bool IsTextureBlendingEnabled() const { return (IsTextureEnabled() && !raw_texture_enable); }
bool IsTransparencyEnabled() const { return transparency_enable; }
};
@ -269,7 +282,7 @@ protected:
BitField<u32, u8, 0, 4> texture_page_x_base;
BitField<u32, u8, 4, 1> texture_page_y_base;
BitField<u32, TransparencyMode, 5, 2> semi_transparency_mode;
BitField<u32, TextureColorMode, 7, 2> texture_color_mode;
BitField<u32, TextureMode, 7, 2> texture_color_mode;
BitField<u32, bool, 9, 1> dither_enable;
BitField<u32, bool, 10, 1> draw_to_display_area;
BitField<u32, bool, 11, 1> draw_set_mask_bit;
@ -305,7 +318,7 @@ protected:
u32 texture_page_y;
u32 texture_palette_x;
u32 texture_palette_y;
TextureColorMode texture_color_mode;
TextureMode texture_color_mode;
TransparencyMode transparency_mode;
u8 texture_window_mask_x; // in 8 pixel steps
u8 texture_window_mask_y; // in 8 pixel steps
@ -320,21 +333,11 @@ protected:
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; }
bool IsTexturePageChanged() const { return texture_page_changed; }
void ClearTexturePageChangedFlag() { texture_page_changed = false; }
bool IsTextureColorModeChanged() const { return texture_color_mode_changed; }
void ClearTextureColorModeChangedFlag() { texture_color_mode_changed = false; }
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; }