mirror of
https://github.com/blawar/GLideN64.git
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105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
#include <Graphics/Context.h>
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#include <Graphics/Parameters.h>
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#include "FrameBuffer.h"
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#include "Config.h"
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#include "GBI.h"
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#include "VI.h"
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#include "Textures.h"
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#include "NoiseTexture.h"
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#include "DisplayWindow.h"
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#include <cstdlib>
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using namespace graphics;
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NoiseTexture g_noiseTexture;
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NoiseTexture::NoiseTexture()
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: m_DList(0)
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{
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}
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void NoiseTexture::init()
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{
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if (config.generalEmulation.enableNoise == 0)
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return;
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for (u32 i = 0; i < NOISE_TEX_NUM; ++i) {
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m_pTexture[i] = textureCache().addFrameBufferTexture(false);
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m_pTexture[i]->format = G_IM_FMT_RGBA;
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m_pTexture[i]->clampS = 1;
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m_pTexture[i]->clampT = 1;
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m_pTexture[i]->frameBufferTexture = CachedTexture::fbOneSample;
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m_pTexture[i]->maskS = 0;
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m_pTexture[i]->maskT = 0;
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m_pTexture[i]->mirrorS = 0;
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m_pTexture[i]->mirrorT = 0;
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m_pTexture[i]->realWidth = 640;
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m_pTexture[i]->realHeight = 580;
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m_pTexture[i]->textureBytes = m_pTexture[i]->realWidth * m_pTexture[i]->realHeight;
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textureCache().addFrameBufferTextureSize(m_pTexture[i]->textureBytes);
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{
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Context::InitTextureParams params;
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params.handle = m_pTexture[i]->name;
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params.width = m_pTexture[i]->realWidth;
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params.height = m_pTexture[i]->realHeight;
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params.internalFormat = internalcolorFormat::RED;
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params.format = colorFormat::RED;
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params.dataType = datatype::UNSIGNED_BYTE;
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gfxContext.init2DTexture(params);
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}
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{
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Context::TexParameters params;
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params.handle = m_pTexture[i]->name;
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params.target = textureTarget::TEXTURE_2D;
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params.textureUnitIndex = textureIndices::NoiseTex;
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params.minFilter = textureParameters::FILTER_NEAREST;
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params.magFilter = textureParameters::FILTER_NEAREST;
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gfxContext.setTextureParameters(params);
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}
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unsigned char ptr[m_pTexture[i]->textureBytes];
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for (u32 y = 0; y < m_pTexture[i]->realHeight; ++y) {
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for (u32 x = 0; x < m_pTexture[i]->realWidth; ++x)
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ptr[x + y*m_pTexture[i]->realWidth] = rand() & 0xFF;
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}
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{
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Context::UpdateTextureDataParams params;
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params.handle = m_pTexture[i]->name;
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params.textureUnitIndex = textureIndices::NoiseTex;
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params.width = 640;
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params.height = 580;
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params.format = colorFormat::RED;
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params.dataType = datatype::UNSIGNED_BYTE;
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params.data = ptr;
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gfxContext.update2DTexture(params);
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}
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}
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}
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void NoiseTexture::destroy()
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{
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for (u32 i = 0; i < NOISE_TEX_NUM; ++i) {
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textureCache().removeFrameBufferTexture(m_pTexture[i]);
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m_pTexture[i] = nullptr;
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}
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}
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void NoiseTexture::update()
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{
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if (m_DList == dwnd().getBuffersSwapCount() || config.generalEmulation.enableNoise == 0)
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return;
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while (m_currTex == m_prevTex)
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m_currTex = rand() % NOISE_TEX_NUM;
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m_prevTex = m_currTex;
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if (m_pTexture[m_currTex] == nullptr)
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return;
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{
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Context::BindTextureParameters params;
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params.texture = m_pTexture[m_currTex]->name;
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params.textureUnitIndex = textureIndices::NoiseTex;
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params.target = textureTarget::TEXTURE_2D;
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gfxContext.bindTexture(params);
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}
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m_DList = dwnd().getBuffersSwapCount();
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}
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