/*---------------------------------------------------------------------------* 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: 32402 $ *---------------------------------------------------------------------------*/ #include namespace nn { namespace gr { namespace CTR { bit32* FrameBuffer::ColorBuffer::MakeCommand( bit32* command ) const { // 0x117 // [ 1: 0] Format of the color buffer pixel size // [18:16] Color buffer format *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] Color buffer physical address *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] Depth buffer format *command++ = PICA_CMD_DATA_RENDER_BUFFER_DEPTH_MODE( format ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_DEPTH_MODE ); // 0x11c // [27: 0] Depth buffer physical address *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 { // Clear frame buffer cache if ( isClearCache ) { command = MakeClearCacheCommand( command ); } // Generate color buffer command if ( bufferBit & COLOR_BUFFER_BIT ) { command = colorBuffer.MakeCommand( command ); } // Generate depth buffer command if ( ( bufferBit & DEPTH_BUFFER_BIT ) || ( bufferBit & STENCIL_BUFFER_BIT ) ) { command = depthStencilBuffer.MakeCommand( command ); } // 0x11e // [27:12] Frame buffer height // [10: 0] Frame buffer width *command++ = PICA_CMD_DATA_RENDER_BUFFER_RESOLUTION( width, height ); *command++ = PICA_CMD_HEADER_SINGLE( PICA_REG_RENDER_BUFFER_RESOLUTION0 ); // 0x6e // [27:12] Frame buffer height // [10: 0] Frame buffer width *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 ) { // colorByteSize, the size to fill, must be a multiple of 16. 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 is clamped and converted to u8. 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 ); } } // depthByteSize, the size to fill, must be a multiple of 16. 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