/*---------------------------------------------------------------------------* Project: Horizon File: gr_FrameBuffer.cpp Copyright (C)2010 Nintendo Co., Ltd. All rights reserved. These coded instructions, statements, and computer programs contain proprietary information of Nintendo of America Inc. and/or Nintendo Company Ltd., and are protected by Federal copyright law. They may not be disclosed to third parties or copied or duplicated in any form, in whole or in part, without the prior written consent of Nintendo. $Rev: 33699 $ *---------------------------------------------------------------------------*/ #include namespace nn { namespace gr { namespace CTR { bit32* FrameBuffer::ColorBuffer::MakeCommand( bit32* command ) const { // 0x117 // [ 1: 0] カラーバッファのピクセルサイズのフォーマット // [18:16] カラーバッファのフォーマット *command++ = PICA_CMD_DATA_RENDER_BUFFER_COLOR_MODE( ( ( format == PICA_DATA_COLOR_RGBA8_OES ) || ( format == PICA_DATA_COLOR_GAS_DMP ) ) ? PICA_DATA_COLOR_PIXEL_SIZE32 : PICA_DATA_COLOR_PIXEL_SIZE16, format ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_COLOR_MODE ); // 0x11d // [27: 0] カラーバッファの物理アドレス *command++ = PICA_CMD_DATA_RENDER_BUFFER_COLOR_ADDR( nngxGetPhysicalAddr( virtualAddr ) ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_COLOR_ADDR ); return command; } //------------------------------------------------------------------------------ bit32* FrameBuffer::DepthStencilBuffer::MakeCommand( bit32* command ) const { // 0x116 // [ 1: 0] デプスバッファのフォーマット *command++ = PICA_CMD_DATA_RENDER_BUFFER_DEPTH_MODE( format ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_DEPTH_MODE ); // 0x11c // [27: 0] デプスバッファの物理アドレス *command++ = PICA_CMD_DATA_RENDER_BUFFER_DEPTH_ADDR( nngxGetPhysicalAddr( virtualAddr ) ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_DEPTH_ADDR ); return command; } //------------------------------------------------------------------------------ bit32* FrameBuffer::FrameBuffer::MakeCommand( bit32* command, const u32 bufferBit, bool isClearCache ) const { // フレームバッファのキャッシュクリア if ( isClearCache ) { command = MakeClearCacheCommand( command ); } // カラーバッファのコマンドの生成 if ( bufferBit & COLOR_BUFFER_BIT ) { command = colorBuffer.MakeCommand( command ); } // デプスバッファのコマンドの生成 if ( ( bufferBit & DEPTH_BUFFER_BIT ) || ( bufferBit & STENCIL_BUFFER_BIT ) ) { command = depthStencilBuffer.MakeCommand( command ); } // 0x11e // [27:12] フレームバッファの高さ // [10: 0] フレームバッファの幅 *command++ = PICA_CMD_DATA_RENDER_BUFFER_RESOLUTION( width, height ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_RESOLUTION0 ); // 0x6e // [27:12] フレームバッファの高さ // [10: 0] フレームバッファの幅 *command++ = PICA_CMD_DATA_RENDER_BUFFER_RESOLUTION( width, height ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_RESOLUTION1 ); command = MakeClearCacheCommand( command ); return command; } //------------------------------------------------------------------------------ FrameBuffer::ColorBuffer::ColorBuffer( const FrameBuffer& frameBuffer_ ) : virtualAddr( 0 ), format( PICA_DATA_COLOR_RGBA8_OES ), blockSize( BLOCK_SIZE8 ), width( 240 ), height( 400 ), m_FrameBuffer( frameBuffer_ ) { for (u32 index = 0; index < 4; index++) { clearColor[ index ] = 0.0f; } } //------------------------------------------------------------------------------ FrameBuffer::DepthStencilBuffer::DepthStencilBuffer( const FrameBuffer& frameBuffer_ ) : virtualAddr( 0 ), format( PICA_DATA_DEPTH24_STENCIL8_EXT ), width( 240 ), height( 400 ), clearDepth( 1.0f ), clearStencil( 0 ), m_FrameBuffer( frameBuffer_ ) { } //------------------------------------------------------------------------------ FrameBuffer::FrameBuffer() : colorBuffer( *this ), depthStencilBuffer( *this ), width( 240 ), height( 400 ) { } //------------------------------------------------------------------------------ bit32* FrameBuffer::MakeClearCacheCommand( bit32* command ) { // 0x111 *command++ = 0x1; *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_COLOR_DEPTH_BUFFER_CLEAR1 ); // 0x110 *command++ = 0x1; *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_COLOR_DEPTH_BUFFER_CLEAR0 ); return command; } void FrameBuffer::FrameBuffer::MakeClearRequest( const u32 bufferBit, bool isAddSplitDrawCmdlist ) { // フィルするサイズ colorByteSize は 16 の倍数である必要があります。 u32 colorByteSize = 0; u32 colorWidth = 0; u32 clearColor = 0; if ( bufferBit & COLOR_BUFFER_BIT ) { u8 red = FloatToUnsignedByte( colorBuffer.clearColor[ 0 ] ); u8 green = FloatToUnsignedByte( colorBuffer.clearColor[ 1 ] ); u8 blue = FloatToUnsignedByte( colorBuffer.clearColor[ 2 ] ); if ( colorBuffer.format == PICA_DATA_COLOR_RGBA8_OES ) { u8 alpha = FloatToUnsignedByte( colorBuffer.clearColor[ 3 ] ); colorByteSize = colorBuffer.width * colorBuffer.height * 4; colorWidth = 32; // float32 をクランプして、 u8 に変換します。 clearColor = ( red << 24 ) | ( green << 16 ) | ( blue << 8 ) | ( alpha << 0 ) ; } else if ( colorBuffer.format == PICA_DATA_COLOR_RGB5_A1 ) { u8 alpha = FloatToUnsignedByte( colorBuffer.clearColor[ 3 ] ); colorByteSize = colorBuffer.width * colorBuffer.height * 2; colorWidth = 16; clearColor = ( ( ( red >> 3 ) & 0x1f ) << 11 ) | ( ( ( green >> 3 ) & 0x1f ) << 6 ) | ( ( ( blue >> 3 ) & 0x1f ) << 1 ) | ( ( ( alpha > 0x7f ) ? 0x1 : 0 ) << 0 ); } else if ( colorBuffer.format == PICA_DATA_COLOR_RGB565 ) { colorByteSize = colorBuffer.width * colorBuffer.height * 2; colorWidth = 16; clearColor = ( ( ( red >> 3 ) & 0x1f ) << 11 ) | ( ( ( green >> 2 ) & 0x3f ) << 5 ) | ( ( ( blue >> 3 ) & 0x1f ) << 0 ); } else if ( colorBuffer.format == PICA_DATA_COLOR_RGBA4 ) { u8 alpha = FloatToUnsignedByte( colorBuffer.clearColor[ 3 ] ); colorByteSize = colorBuffer.width * colorBuffer.height * 2; colorWidth = 16; clearColor = ( ( ( red >> 4 ) & 0xf ) << 12 ) | ( ( ( green >> 4 ) & 0xf ) << 8 ) | ( ( ( blue >> 4 ) & 0xf ) << 4 ) | ( ( ( alpha >> 4 ) & 0xf ) << 0 ); } } // フィルするサイズ depthByteSize は 16 の倍数である必要があります。 u32 depthByteSize = 0; u32 clearDepth = 0; u32 depthWidth = 0; if ( ( bufferBit & DEPTH_BUFFER_BIT ) || ( bufferBit & STENCIL_BUFFER_BIT ) ) { depthStencilBuffer.clearDepth = ( depthStencilBuffer.clearDepth > 1.0f ) ? 1.0f : ( ( depthStencilBuffer.clearDepth < 0.0f ) ? 0.0f : depthStencilBuffer.clearDepth ); if ( depthStencilBuffer.format == PICA_DATA_DEPTH24_STENCIL8_EXT ) { depthByteSize = depthStencilBuffer.width * depthStencilBuffer.height * 4; clearDepth = ( depthStencilBuffer.clearStencil ) << 24 | Float32ToUnsignedFix24( depthStencilBuffer.clearDepth ); depthWidth = 32; } else if ( depthStencilBuffer.format == PICA_DATA_DEPTH_COMPONENT16 ) { depthByteSize = depthStencilBuffer.width * depthStencilBuffer.height * 2; clearDepth = Float32ToUnsignedFix16( depthStencilBuffer.clearDepth ); depthWidth = 16; } else if ( depthStencilBuffer.format == PICA_DATA_DEPTH_COMPONENT24_OES ) { depthByteSize = depthStencilBuffer.width * depthStencilBuffer.height * 3; clearDepth = Float32ToUnsignedFix24( depthStencilBuffer.clearDepth ); depthWidth = 24; } } if ( ( bufferBit & COLOR_BUFFER_BIT ) || ( bufferBit & DEPTH_BUFFER_BIT ) ) { if ( isAddSplitDrawCmdlist ) { nngxSplitDrawCmdlist(); } nngxAddMemoryFillCommand( ( bufferBit & COLOR_BUFFER_BIT ) ? reinterpret_cast( colorBuffer.virtualAddr ) : 0, colorByteSize, clearColor, colorWidth, ( ( bufferBit & DEPTH_BUFFER_BIT ) || ( bufferBit & STENCIL_BUFFER_BIT ) || ( bufferBit & DEPTH_STENCIL_BUFFER_BIT ) ) ? reinterpret_cast( depthStencilBuffer.virtualAddr ) : 0, depthByteSize, clearDepth, depthWidth ); } } } // namespace CTR } // namespace gr } // namespace nn