mirror of
https://github.com/blawar/GLideN64.git
synced 2024-06-25 22:09:35 +00:00
104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
#include "Graphics/Context.h"
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#include "Graphics/Parameters.h"
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#include "N64.h"
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#include "gDP.h"
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#include "VI.h"
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#include "Textures.h"
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#include "PaletteTexture.h"
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#include "DepthBuffer.h"
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PaletteTexture g_paletteTexture;
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using namespace graphics;
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PaletteTexture::PaletteTexture()
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: m_pTexture(nullptr)
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, m_pbuf(nullptr)
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, m_paletteCRC256(0)
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{
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}
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void PaletteTexture::init()
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{
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if (!Context::IntegerTextures)
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return;
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const FramebufferTextureFormats & fbTexFormats = gfxContext.getFramebufferTextureFormats();
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m_paletteCRC256 = 0;
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m_pTexture = textureCache().addFrameBufferTexture(false);
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m_pTexture->format = G_IM_FMT_IA;
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m_pTexture->clampS = 1;
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m_pTexture->clampT = 1;
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m_pTexture->frameBufferTexture = CachedTexture::fbOneSample;
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m_pTexture->maskS = 0;
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m_pTexture->maskT = 0;
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m_pTexture->mirrorS = 0;
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m_pTexture->mirrorT = 0;
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m_pTexture->realWidth = 256;
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m_pTexture->realHeight = 1;
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m_pTexture->textureBytes = m_pTexture->realWidth * m_pTexture->realHeight * fbTexFormats.lutFormatBytes;
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Context::InitTextureParams initParams;
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initParams.handle = m_pTexture->name;
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initParams.width = m_pTexture->realWidth;
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initParams.height = m_pTexture->realHeight;
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initParams.internalFormat = fbTexFormats.lutInternalFormat;
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initParams.format = fbTexFormats.lutFormat;
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initParams.dataType = fbTexFormats.lutType;
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gfxContext.init2DTexture(initParams);
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Context::TexParameters setParams;
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setParams.handle = m_pTexture->name;
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setParams.target = textureTarget::TEXTURE_2D;
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setParams.textureUnitIndex = textureIndices::PaletteTex;
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setParams.minFilter = textureParameters::FILTER_NEAREST;
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setParams.magFilter = textureParameters::FILTER_NEAREST;
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setParams.wrapS = textureParameters::WRAP_CLAMP_TO_EDGE;
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setParams.wrapT = textureParameters::WRAP_CLAMP_TO_EDGE;
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gfxContext.setTextureParameters(setParams);
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// Generate Pixel Buffer Object. Initialize it with max buffer size.
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m_pbuf = (u8*)malloc(m_pTexture->textureBytes);
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}
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void PaletteTexture::destroy()
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{
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if (!Context::IntegerTextures)
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return;
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const FramebufferTextureFormats & fbTexFormats = gfxContext.getFramebufferTextureFormats();
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textureCache().removeFrameBufferTexture(m_pTexture);
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m_pTexture = nullptr;
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free(m_pbuf);
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}
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void PaletteTexture::update()
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{
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if (!Context::IntegerTextures)
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return;
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if (m_paletteCRC256 == gDP.paletteCRC256)
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return;
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m_paletteCRC256 = gDP.paletteCRC256;
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u32 * palette = (u32*)m_pbuf;
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u16 *src = (u16*)&TMEM[256];
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for (int i = 0; i < 256; ++i)
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palette[i] = swapword(src[i * 4]);
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const FramebufferTextureFormats & fbTexFormats = gfxContext.getFramebufferTextureFormats();
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Context::UpdateTextureDataParams params;
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params.handle = m_pTexture->name;
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params.textureUnitIndex = textureIndices::PaletteTex;
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params.width = m_pTexture->realWidth;
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params.height = m_pTexture->realHeight;
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params.format = fbTexFormats.lutFormat;
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params.internalFormat = fbTexFormats.lutInternalFormat;
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params.dataType = fbTexFormats.lutType;
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params.data = m_pbuf;
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gfxContext.update2DTexture(params);
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}
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