/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "gles-graphics-texture.h"
// EXTERNAL INCLUDES
+#include <dali/integration-api/debug.h>
#include <dali/integration-api/gl-abstraction.h>
#include <dali/integration-api/gl-defines.h>
#include <vector>
// INTERNAL INCLUDES
#include "egl-graphics-controller.h"
+#include "gles-graphics-sampler.h"
#include "gles-graphics-types.h"
+namespace
+{
+// These match the GL specification
+//const int32_t GL_MINIFY_DEFAULT = GL_NEAREST_MIPMAP_LINEAR;
+//const int32_t GL_MAGNIFY_DEFAULT = GL_LINEAR;
+const int32_t GL_WRAP_DEFAULT = GL_CLAMP_TO_EDGE;
+
+// These are the Dali defaults
+const int32_t DALI_MINIFY_DEFAULT = GL_LINEAR;
+const int32_t DALI_MAGNIFY_DEFAULT = GL_LINEAR;
+} // namespace
+
namespace Dali::Graphics::GLES
{
+struct ColorConversion
+{
+ Format srcFormat;
+ Format destFormat;
+ std::vector<uint8_t> (*pConversionFunc)(const void*, uint32_t, uint32_t, uint32_t, uint32_t);
+ void (*pConversionWriteFunc)(const void*, uint32_t, uint32_t, uint32_t, uint32_t, void*);
+};
+
+inline void WriteRGB32ToRGBA32(const void* __restrict__ pData, uint32_t sizeInBytes, uint32_t width, uint32_t height, uint32_t rowStride, void* __restrict__ pOutput)
+{
+ const uint8_t* __restrict__ inData = reinterpret_cast<const uint8_t*>(pData);
+ uint8_t* __restrict__ outData = reinterpret_cast<uint8_t*>(pOutput);
+ if(rowStride == 0u)
+ {
+ rowStride = width;
+ }
+ for(auto y = 0u; y < height; ++y)
+ {
+ auto inIdx = 0u;
+ auto outIdx = 0u;
+ for(auto x = 0u; x < width; ++x)
+ {
+ outData[outIdx] = inData[inIdx];
+ outData[outIdx + 1] = inData[inIdx + 1];
+ outData[outIdx + 2] = inData[inIdx + 2];
+ outData[outIdx + 3] = 0xff;
+ outIdx += 4;
+ inIdx += 3;
+ }
+ inData += rowStride * 3u;
+ outData += width * 4u;
+ }
+}
+
+/**
+ * Converts RGB to RGBA
+ */
+inline std::vector<uint8_t> ConvertRGB32ToRGBA32(const void* pData, uint32_t sizeInBytes, uint32_t width, uint32_t height, uint32_t rowStride)
+{
+ std::vector<uint8_t> rgbaBuffer{};
+ rgbaBuffer.resize(width * height * 4);
+ WriteRGB32ToRGBA32(pData, sizeInBytes, width, height, rowStride, &rgbaBuffer[0]);
+ return rgbaBuffer;
+}
+
+/**
+ * Format conversion table
+ */
+const std::vector<ColorConversion>& GetColorConversionTable()
+{
+ static const std::vector<ColorConversion> COLOR_CONVERSION_TABLE = {
+ {Format::R8G8B8_UNORM, Format::R8G8B8A8_UNORM, ConvertRGB32ToRGBA32, WriteRGB32ToRGBA32}};
+ return COLOR_CONVERSION_TABLE;
+}
+
+/**
+ * Constructor
+ */
Texture::Texture(const Graphics::TextureCreateInfo& createInfo, Graphics::EglGraphicsController& controller)
: TextureResource(createInfo, controller)
{
bool Texture::InitializeResource()
{
- auto gl = mController.GetGL();
+ if(mCreateInfo.nativeImagePtr)
+ {
+ return InitializeNativeImage();
+ }
+ return InitializeTexture();
+}
+
+bool Texture::InitializeNativeImage()
+{
+ auto context = mController.GetCurrentContext();
+ auto gl = mController.GetGL();
+ GLuint texture{0};
+
+ if(!gl || !context)
+ {
+ // Do nothing during shutdown
+ return false;
+ }
+
+ NativeImageInterfacePtr nativeImage = mCreateInfo.nativeImagePtr;
+ bool created = nativeImage->CreateResource();
+ mGlTarget = nativeImage->GetTextureTarget();
+ if(created)
+ {
+ gl->GenTextures(1, &texture);
+ context->BindTexture(mGlTarget, GetTextureTypeId(), texture);
+
+ gl->PixelStorei(GL_UNPACK_ALIGNMENT, 1); // We always use tightly packed data
+
+ // Apply default sampling parameters
+ SetSamplerParameter(GL_TEXTURE_MIN_FILTER, mDefaultSamplerState.minFilter, DALI_MINIFY_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_MAG_FILTER, mDefaultSamplerState.magFilter, DALI_MAGNIFY_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_WRAP_S, mDefaultSamplerState.wrapS, GL_WRAP_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_WRAP_T, mDefaultSamplerState.wrapT, GL_WRAP_DEFAULT);
+
+ // platform specific implementation decides on what GL extension to use
+ if(nativeImage->TargetTexture() != 0u)
+ {
+ gl->DeleteTextures(1, &texture);
+ nativeImage->DestroyResource();
+ texture = 0u;
+ created = false;
+ }
+ else
+ {
+ mTextureId = texture;
+ }
+ }
+ else
+ {
+ DALI_LOG_ERROR("Native Image: InitializeNativeImage, CreateResource() failed\n");
+ }
+
+ return created; // WARNING! May be false! Needs handling! (Well, initialized on bind)
+}
+
+bool Texture::InitializeTexture()
+{
+ auto context = mController.GetCurrentContext();
+ auto gl = mController.GetGL();
+ if(!gl || !context)
+ {
+ // Do nothing during shutdown
+ return false;
+ }
GLuint texture{0};
+ mGlTarget = GLTextureTarget(mCreateInfo.textureType).target;
+ mIsCompressed = Graphics::GLES::FormatCompression(mCreateInfo.format).compressed;
+
switch(mCreateInfo.textureType)
{
// Texture 2D
{
Graphics::GLES::GLTextureFormatType format(mCreateInfo.format);
+ // TODO: find better condition, with this test the L8 doesn't work
+ if(1) //format.format && format.type)
+ {
+ // Bind texture
+ gl->GenTextures(1, &texture);
+ context->BindTexture(GL_TEXTURE_2D, GetTextureTypeId(), texture);
+
+ if(mCreateInfo.allocationPolicy == Graphics::TextureAllocationPolicy::CREATION || mCreateInfo.data)
+ {
+ // Allocate memory for the texture
+ if(!mIsCompressed)
+ {
+ gl->TexImage2D(GL_TEXTURE_2D,
+ 0,
+ format.internalFormat,
+ mCreateInfo.size.width,
+ mCreateInfo.size.height,
+ 0,
+ format.format,
+ format.type,
+ (mCreateInfo.data ? mStagingBuffer.data() : nullptr));
+ }
+ else
+ {
+ gl->CompressedTexImage2D(GL_TEXTURE_2D,
+ 0,
+ format.internalFormat,
+ mCreateInfo.size.width,
+ mCreateInfo.size.height,
+ 0,
+ mCreateInfo.dataSize,
+ (mCreateInfo.data ? mStagingBuffer.data() : nullptr));
+ }
+ }
+
+ // Clear staging buffer if there was any
+ mStagingBuffer.clear();
+ mTextureId = texture;
+ // Default texture filtering (to be set later via command buffer binding)
+ SetSamplerParameter(GL_TEXTURE_MIN_FILTER, mDefaultSamplerState.minFilter, Graphics::GLES::GLSamplerFilterAndMipMapMode(Graphics::SamplerFilter::LINEAR, SamplerMipmapMode::NONE));
+ SetSamplerParameter(GL_TEXTURE_MAG_FILTER, mDefaultSamplerState.magFilter, Graphics::GLES::GLSamplerFilterAndMipMapMode(Graphics::SamplerFilter::LINEAR, SamplerMipmapMode::NONE));
+ SetSamplerParameter(GL_TEXTURE_WRAP_S, mDefaultSamplerState.wrapS, GL_WRAP_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_WRAP_T, mDefaultSamplerState.wrapT, GL_WRAP_DEFAULT);
+ }
+ break;
+ }
+ // Texture Cubemap
+ case Graphics::TextureType::TEXTURE_CUBEMAP:
+ {
+ Graphics::GLES::GLTextureFormatType format(mCreateInfo.format);
+
if(format.format && format.type)
{
// Bind texture
gl->GenTextures(1, &texture);
- gl->BindTexture(GL_TEXTURE_2D, texture);
-
- // Allocate memory for the texture
- gl->TexImage2D(GL_TEXTURE_2D,
- 0,
- format.format,
- mCreateInfo.size.width,
- mCreateInfo.size.height,
- 0,
- format.format,
- format.type,
- (mCreateInfo.data ? mStagingBuffer.data() : nullptr));
+ context->BindTexture(GL_TEXTURE_CUBE_MAP, GetTextureTypeId(), texture);
+ gl->PixelStorei(GL_UNPACK_ALIGNMENT, 1); // We always use tightly packed data
+
+ SetSamplerParameter(GL_TEXTURE_MIN_FILTER, mDefaultSamplerState.minFilter, Graphics::GLES::GLSamplerFilterAndMipMapMode(Graphics::SamplerFilter::LINEAR, SamplerMipmapMode::NONE));
+ SetSamplerParameter(GL_TEXTURE_MAG_FILTER, mDefaultSamplerState.magFilter, Graphics::GLES::GLSamplerFilterAndMipMapMode(Graphics::SamplerFilter::LINEAR, SamplerMipmapMode::NONE));
+ SetSamplerParameter(GL_TEXTURE_WRAP_S, mDefaultSamplerState.wrapS, GL_WRAP_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_WRAP_T, mDefaultSamplerState.wrapT, GL_WRAP_DEFAULT);
+
+ if(mCreateInfo.allocationPolicy == Graphics::TextureAllocationPolicy::CREATION || mCreateInfo.data)
+ {
+ // Allocate memory for the texture
+ for(uint32_t i = 0; i < 6; ++i)
+ {
+ if(!mIsCompressed)
+ {
+ gl->TexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
+ 0,
+ format.internalFormat,
+ mCreateInfo.size.width,
+ mCreateInfo.size.height,
+ 0,
+ format.format,
+ format.type,
+ (mCreateInfo.data ? mStagingBuffer.data() : nullptr));
+ }
+ else
+ {
+ gl->CompressedTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
+ 0,
+ format.internalFormat,
+ mCreateInfo.size.width,
+ mCreateInfo.size.height,
+ 0,
+ mCreateInfo.dataSize,
+ (mCreateInfo.data ? mStagingBuffer.data() : nullptr));
+ }
+ }
+ }
// Clear staging buffer if there was any
mStagingBuffer.clear();
mTextureId = texture;
- // Default texture filtering (to be set later via command buffer binding)
- gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Graphics::GLES::GLSamplerFilterAndMipMapMode(Graphics::SamplerFilter::LINEAR, SamplerMipmapMode::NONE));
- gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Graphics::GLES::GLSamplerFilterAndMipMapMode(Graphics::SamplerFilter::LINEAR, SamplerMipmapMode::NONE));
+ SetSamplerParameter(GL_TEXTURE_WRAP_R, mDefaultSamplerState.wrapR, GL_WRAP_DEFAULT);
}
break;
}
void Texture::DestroyResource()
{
+ auto gl = mController.GetGL();
+ if(!gl)
+ {
+ return;
+ }
+
// This is a proper destructor
if(mTextureId)
{
- auto gl = mController.GetGL();
gl->DeleteTextures(1, &mTextureId);
}
+ if(mCreateInfo.nativeImagePtr)
+ {
+ mCreateInfo.nativeImagePtr->DestroyResource();
+ }
}
void Texture::DiscardResource()
void Texture::Bind(const TextureBinding& binding) const
{
- auto gl = mController.GetGL();
+ auto context = mController.GetCurrentContext();
+ auto gl = mController.GetGL();
+ if(!gl || !context)
+ {
+ // Do nothing during shutdown
+ return;
+ }
- // Bind texture to shader slot
- gl->BindTexture(GL_TEXTURE_2D, mTextureId);
- gl->ActiveTexture(GL_TEXTURE0 + binding.binding);
+ context->ActiveTexture(binding.binding);
+ context->BindTexture(mGlTarget, GetTextureTypeId(), mTextureId);
// For GLES2 if there is a sampler set in the binding
- //if(binding.sampler)
- //{
+ if(binding.sampler)
+ {
+ const auto& samplerCreateInfo = static_cast<const GLES::Sampler*>(binding.sampler)->GetCreateInfo();
+
+ auto mipMapMode = samplerCreateInfo.mipMapMode;
- //}
+ SetSamplerParameter(GL_TEXTURE_MIN_FILTER, mDefaultSamplerState.minFilter, GLSamplerFilterAndMipMapMode(samplerCreateInfo.minFilter, mipMapMode).glFilter);
+ SetSamplerParameter(GL_TEXTURE_MAG_FILTER, mDefaultSamplerState.magFilter, GLSamplerFilter(samplerCreateInfo.magFilter).glFilter);
+ SetSamplerParameter(GL_TEXTURE_WRAP_S, mDefaultSamplerState.wrapS, GLAddressMode(samplerCreateInfo.addressModeU).texParameter);
+ SetSamplerParameter(GL_TEXTURE_WRAP_T, mDefaultSamplerState.wrapT, GLAddressMode(samplerCreateInfo.addressModeV).texParameter);
+
+ if(mGlTarget == GL_TEXTURE_CUBE_MAP)
+ {
+ SetSamplerParameter(GL_TEXTURE_WRAP_R, mDefaultSamplerState.wrapR, GLAddressMode(samplerCreateInfo.addressModeW).texParameter);
+ }
+ }
+ else
+ {
+ SetSamplerParameter(GL_TEXTURE_MIN_FILTER, mDefaultSamplerState.minFilter, DALI_MINIFY_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_MAG_FILTER, mDefaultSamplerState.magFilter, DALI_MAGNIFY_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_WRAP_S, mDefaultSamplerState.wrapS, GL_WRAP_DEFAULT);
+ SetSamplerParameter(GL_TEXTURE_WRAP_T, mDefaultSamplerState.wrapT, GL_WRAP_DEFAULT);
+ if(mGlTarget == GL_TEXTURE_CUBE_MAP)
+ {
+ SetSamplerParameter(GL_TEXTURE_WRAP_R, mDefaultSamplerState.wrapR, GL_WRAP_DEFAULT);
+ }
+ }
+
+ if(mMaxMipMapLevel)
+ {
+ SetSamplerParameter(GL_TEXTURE_MAX_LEVEL, mDefaultSamplerState.maxLevel, mMaxMipMapLevel);
+ }
+}
+
+void Texture::Prepare()
+{
+ NativeImageInterfacePtr nativeImage = mCreateInfo.nativeImagePtr;
+ if(nativeImage)
+ {
+ nativeImage->PrepareTexture();
+ }
+}
+
+/**
+ * This function tests whether format is supported by the driver. If possible it applies
+ * format conversion to suitable supported pixel format.
+ */
+bool Texture::TryConvertPixelData(const void* pData, Graphics::Format srcFormat, Graphics::Format destFormat, uint32_t sizeInBytes, uint32_t inStride, uint32_t width, uint32_t height, std::vector<uint8_t>& outputBuffer)
+{
+ // No need to convert
+ if(srcFormat == destFormat)
+ {
+ return false;
+ }
+
+ auto it = std::find_if(GetColorConversionTable().begin(), GetColorConversionTable().end(), [&](auto& item) {
+ return item.srcFormat == srcFormat && item.destFormat == destFormat;
+ });
+
+ // No suitable format, return empty array
+ if(it == GetColorConversionTable().end())
+ {
+ return false;
+ }
+ auto begin = reinterpret_cast<const uint8_t*>(pData);
+
+ outputBuffer = std::move(it->pConversionFunc(begin, sizeInBytes, width, height, inStride));
+ return !outputBuffer.empty();
+}
+
+void Texture::SetSamplerParameter(uint32_t param, uint32_t& cacheValue, uint32_t value) const
+{
+ if(cacheValue != value)
+ {
+ auto gl = mController.GetGL();
+ gl->TexParameteri(mGlTarget, param, value);
+ cacheValue = value;
+ }
}
} // namespace Dali::Graphics::GLES
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