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GPU: Remove redundant fields

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This commit is contained in:
Stenzek 2023-12-14 19:05:18 +10:00
parent 23d5b20da6
commit 98a96db1bd
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6 changed files with 29 additions and 36 deletions
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30
src/core/gpu.cpp
View file

@ -193,12 +193,16 @@ bool GPU::DoState(StateWrapper& sw, GPUTexture** host_texture, bool update_displ
sw.Do(&m_GPUSTAT.bits);
sw.Do(&m_draw_mode.mode_reg.bits);
sw.Do(&m_draw_mode.palette_reg);
sw.Do(&m_draw_mode.palette_reg.bits);
sw.Do(&m_draw_mode.texture_window_value);
sw.Do(&m_draw_mode.texture_page_x);
sw.Do(&m_draw_mode.texture_page_y);
sw.Do(&m_draw_mode.texture_palette_x);
sw.Do(&m_draw_mode.texture_palette_y);
if (sw.GetVersion() < 62)
{
// texture_page_x, texture_page_y, texture_palette_x, texture_palette_y
DebugAssert(sw.IsReading());
sw.SkipBytes(sizeof(u32) * 4);
}
sw.Do(&m_draw_mode.texture_window.and_x);
sw.Do(&m_draw_mode.texture_window.and_y);
sw.Do(&m_draw_mode.texture_window.or_x);
@ -1514,14 +1518,8 @@ void GPU::SetDrawMode(u16 value)
if (new_mode_reg.bits == m_draw_mode.mode_reg.bits)
return;
if ((new_mode_reg.bits & GPUDrawModeReg::TEXTURE_PAGE_MASK) !=
(m_draw_mode.mode_reg.bits & GPUDrawModeReg::TEXTURE_PAGE_MASK))
{
m_draw_mode.texture_page_x = new_mode_reg.GetTexturePageBaseX();
m_draw_mode.texture_page_y = new_mode_reg.GetTexturePageBaseY();
m_draw_mode.texture_page_changed = true;
}
m_draw_mode.texture_page_changed |= ((new_mode_reg.bits & GPUDrawModeReg::TEXTURE_PAGE_MASK) !=
(m_draw_mode.mode_reg.bits & GPUDrawModeReg::TEXTURE_PAGE_MASK));
m_draw_mode.mode_reg.bits = new_mode_reg.bits;
if (m_GPUSTAT.draw_to_displayed_field != new_mode_reg.draw_to_displayed_field)
@ -1536,12 +1534,10 @@ void GPU::SetDrawMode(u16 value)
void GPU::SetTexturePalette(u16 value)
{
value &= DrawMode::PALETTE_MASK;
if (m_draw_mode.palette_reg == value)
if (m_draw_mode.palette_reg.bits == value)
return;
m_draw_mode.texture_palette_x = ZeroExtend32(value & 0x3F) * 16;
m_draw_mode.texture_palette_y = ZeroExtend32(value >> 6);
m_draw_mode.palette_reg = value;
m_draw_mode.palette_reg.bits = value;
m_draw_mode.texture_page_changed = true;
}

14
src/core/gpu.h
View file

@ -422,28 +422,16 @@ protected:
// original values
GPUDrawModeReg mode_reg;
u16 palette_reg; // from vertex
GPUTexturePaletteReg palette_reg; // from vertex
u32 texture_window_value;
// decoded values
u32 texture_page_x;
u32 texture_page_y;
u32 texture_palette_x;
u32 texture_palette_y;
GPUTextureWindow texture_window;
bool texture_x_flip;
bool texture_y_flip;
bool texture_page_changed;
bool texture_window_changed;
/// Returns a rectangle comprising the texture palette area.
ALWAYS_INLINE_RELEASE Common::Rectangle<u32> GetTexturePaletteRectangle() const
{
static constexpr std::array<u32, 4> palette_widths = {{16, 256, 0, 0}};
return Common::Rectangle<u32>::FromExtents(texture_palette_x, texture_palette_y,
palette_widths[static_cast<u8>(mode_reg.texture_mode.GetValue())], 1);
}
ALWAYS_INLINE bool IsTexturePageChanged() const { return texture_page_changed; }
ALWAYS_INLINE void SetTexturePageChanged() { texture_page_changed = true; }
ALWAYS_INLINE void ClearTexturePageChangedFlag() { texture_page_changed = false; }

10
src/core/gpu_hw.cpp
View file

@ -1623,7 +1623,7 @@ void GPU_HW::LoadVertices()
m_current_depth++;
const GPURenderCommand rc{m_render_command.bits};
const u32 texpage = ZeroExtend32(m_draw_mode.mode_reg.bits) | (ZeroExtend32(m_draw_mode.palette_reg) << 16);
const u32 texpage = ZeroExtend32(m_draw_mode.mode_reg.bits) | (ZeroExtend32(m_draw_mode.palette_reg.bits) << 16);
const float depth = GetCurrentNormalizedVertexDepth();
switch (rc.primitive)
@ -2067,7 +2067,8 @@ void GPU_HW::IncludeVRAMDirtyRectangle(Common::Rectangle<u32>& rect, const Commo
// shadow texture is updated
if (!m_draw_mode.IsTexturePageChanged() &&
(m_draw_mode.mode_reg.GetTexturePageRectangle().Intersects(new_rect) ||
(m_draw_mode.mode_reg.IsUsingPalette() && m_draw_mode.GetTexturePaletteRectangle().Intersects(new_rect))))
(m_draw_mode.mode_reg.IsUsingPalette() &&
m_draw_mode.palette_reg.GetRectangle(m_draw_mode.mode_reg.texture_mode).Intersects(new_rect))))
{
m_draw_mode.SetTexturePageChanged();
}
@ -2300,7 +2301,7 @@ void GPU_HW::FillDrawCommand(GPUBackendDrawCommand* cmd, GPURenderCommand rc) co
FillBackendCommandParameters(cmd);
cmd->rc.bits = rc.bits;
cmd->draw_mode.bits = m_draw_mode.mode_reg.bits;
cmd->palette.bits = m_draw_mode.palette_reg;
cmd->palette.bits = m_draw_mode.palette_reg.bits;
cmd->window = m_draw_mode.texture_window;
}
@ -2604,7 +2605,8 @@ void GPU_HW::DispatchRenderCommand()
if (m_draw_mode.mode_reg.IsUsingPalette())
{
const Common::Rectangle<u32> palette_rect = m_draw_mode.GetTexturePaletteRectangle();
const Common::Rectangle<u32> palette_rect =
m_draw_mode.palette_reg.GetRectangle(m_draw_mode.mode_reg.texture_mode);
const bool update_drawn = palette_rect.Intersects(m_vram_dirty_draw_rect);
const bool update_written = palette_rect.Intersects(m_vram_dirty_write_rect);
if (update_drawn || update_written)

2
src/core/gpu_sw.cpp
View file

@ -554,7 +554,7 @@ void GPU_SW::FillDrawCommand(GPUBackendDrawCommand* cmd, GPURenderCommand rc) co
FillBackendCommandParameters(cmd);
cmd->rc.bits = rc.bits;
cmd->draw_mode.bits = m_draw_mode.mode_reg.bits;
cmd->palette.bits = m_draw_mode.palette_reg;
cmd->palette.bits = m_draw_mode.palette_reg.bits;
cmd->window = m_draw_mode.texture_window;
}

7
src/core/gpu_types.h
View file

@ -208,6 +208,13 @@ union GPUTexturePaletteReg
ALWAYS_INLINE u32 GetXBase() const { return static_cast<u32>(x) * 16u; }
ALWAYS_INLINE u32 GetYBase() const { return static_cast<u32>(y); }
/// Returns a rectangle comprising the texture palette area.
ALWAYS_INLINE_RELEASE Common::Rectangle<u32> GetRectangle(GPUTextureMode mode) const
{
static constexpr std::array<u32, 4> palette_widths = {{16, 256, 0, 0}};
return Common::Rectangle<u32>::FromExtents(GetXBase(), GetYBase(), palette_widths[static_cast<u8>(mode)], 1);
}
};
struct GPUTextureWindow

2
src/core/save_state_version.h
View file

@ -5,7 +5,7 @@
#include "types.h"
static constexpr u32 SAVE_STATE_MAGIC = 0x43435544;
static constexpr u32 SAVE_STATE_VERSION = 61;
static constexpr u32 SAVE_STATE_VERSION = 62;
static constexpr u32 SAVE_STATE_MINIMUM_VERSION = 42;
static_assert(SAVE_STATE_VERSION >= SAVE_STATE_MINIMUM_VERSION);