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1831 lines
60 KiB
1831 lines
60 KiB
//============ Copyright (c) Valve Corporation, All rights reserved. ============
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//
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// cglmtex.cpp
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//
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//===============================================================================
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#include "glmgr/glmgr.h"
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#include "glmgr/cglmtex.h"
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#include "tier0/icommandline.h"
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#include "../shaderapidx9/dxabstract.h"
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// memdbgon -must- be the last include file in a .cpp file.
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#include "tier0/memdbgon.h"
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//===============================================================================
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#define TEXSPACE_LOGGING 0
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// encoding layout to an index where the bits read
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// 4 : 1 if compressed
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// 2 : 1 if not power of two
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// 1 : 1 if mipmapped
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bool pwroftwo (int val )
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{
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return (val & (val-1)) == 0;
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}
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int sEncodeLayoutAsIndex( GLMTexLayoutKey *key )
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{
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int index = 0;
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if (key->m_texFlags & kGLMTexMipped)
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{
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index |= 1;
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}
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if ( ! ( pwroftwo(key->m_xSize) && pwroftwo(key->m_ySize) && pwroftwo(key->m_zSize) ) )
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{
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// if not all power of two
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index |= 2;
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}
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if (GetFormatDesc( key->m_texFormat )->m_chunkSize >1 )
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{
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index |= 4;
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}
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return index;
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}
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static unsigned long g_texGlobalBytes[8];
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//===============================================================================
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const GLMTexFormatDesc g_formatDescTable[] =
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{
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// not yet handled by this table:
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// D3DFMT_INDEX16, D3DFMT_VERTEXDATA // D3DFMT_INDEX32,
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// WTF { D3DFMT_R5G6R5 ???, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 1, 2 },
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// WTF { D3DFMT_A ???, GL_ALPHA8, GL_ALPHA, GL_UNSIGNED_BYTE, 1, 1 },
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// ??? D3DFMT_V8U8,
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// ??? D3DFMT_Q8W8V8U8,
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// ??? D3DFMT_X8L8V8U8,
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// ??? D3DFMT_R32F,
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// ??? D3DFMT_D24X4S4 unsure how to handle or if it is ever used..
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// ??? D3DFMT_D15S1 ever used ?
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// ??? D3DFMT_D24X8 ever used?
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// summ-name d3d-format gl-int-format gl-int-format-srgb gl-data-format gl-data-type chunksize, bytes-per-sqchunk
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{ "_D16", D3DFMT_D16, GL_DEPTH_COMPONENT16, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 1, 2 },
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{ "_D24X8", D3DFMT_D24X8, GL_DEPTH_COMPONENT24, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 1, 4 }, // ??? unsure on this one
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{ "_D24S8", D3DFMT_D24S8, GL_DEPTH24_STENCIL8_EXT, 0, GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, 1, 4 },
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{ "_A8R8G8B8", D3DFMT_A8R8G8B8, GL_RGBA8, GL_SRGB8_ALPHA8_EXT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 1, 4 },
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{ "_A4R4G4B4", D3DFMT_A4R4G4B4, GL_RGBA4, 0, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 1, 2 },
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{ "_X8R8G8B8", D3DFMT_X8R8G8B8, GL_RGB8, GL_SRGB8_EXT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 1, 4 },
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{ "_X1R5G5B5", D3DFMT_X1R5G5B5, GL_RGB5, 0, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 1, 2 },
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{ "_A1R5G5B5", D3DFMT_A1R5G5B5, GL_RGB5_A1, 0, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 1, 2 },
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{ "_L8", D3DFMT_L8, GL_LUMINANCE8, GL_SLUMINANCE8_EXT, GL_LUMINANCE, GL_UNSIGNED_BYTE, 1, 1 },
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{ "_A8L8", D3DFMT_A8L8, GL_LUMINANCE8_ALPHA8, GL_SLUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, 1, 2 },
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{ "_DXT1", D3DFMT_DXT1, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_BYTE, 4, 8 },
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{ "_DXT3", D3DFMT_DXT3, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_BYTE, 4, 16 },
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{ "_DXT5", D3DFMT_DXT5, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_BYTE, 4, 16 },
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{ "_A16B16G16R16F", D3DFMT_A16B16G16R16F, GL_RGBA16F_ARB, 0, GL_RGBA, GL_HALF_FLOAT_ARB, 1, 8 },
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{ "_A16B16G16R16", D3DFMT_A16B16G16R16, GL_RGBA16, 0, GL_RGBA, GL_UNSIGNED_SHORT, 1, 8 }, // 16bpc integer tex
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{ "_A32B32G32R32F", D3DFMT_A32B32G32R32F, GL_RGBA32F_ARB, 0, GL_RGBA, GL_FLOAT, 1, 16 },
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{ "_R8G8B8", D3DFMT_R8G8B8, GL_RGB8, GL_SRGB8_EXT, GL_BGR, GL_UNSIGNED_BYTE, 1, 3 },
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{ "_A8", D3DFMT_A8, GL_ALPHA8, 0, GL_ALPHA, GL_UNSIGNED_BYTE, 1, 1 },
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{ "_R5G6B5", D3DFMT_R5G6B5, GL_RGB, GL_SRGB_EXT, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 1, 2 },
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// fakey tex formats: the stated GL format and the memory layout may not agree (U8V8 for example)
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// _Q8W8V8U8 we just pass through as RGBA bytes. Shader does scale/bias fix
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{ "_Q8W8V8U8", D3DFMT_Q8W8V8U8, GL_RGBA8, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 1, 4 }, // straight ripoff of D3DFMT_A8R8G8B8
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// U8V8 is exposed to the client as 2-bytes per texel, but we download it as 3-byte RGB.
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// WriteTexels needs to do that conversion from rg8 to rgb8 in order to be able to download it correctly
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{ "_V8U8", D3DFMT_V8U8, GL_RGB8, 0, GL_RG, GL_BYTE, 1, 2 },
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// Test - this is oviously not correct:
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{ "_R32F", D3DFMT_R32F, GL_RGBA8, GL_SRGB8_ALPHA8_EXT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 1, 4 },
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// { "_R32F", D3DFMT_R32F, GL_R32F, 0, GL_RED, GL_FLOAT, 1, 4 },
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// Test - this is oviously not correct:
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{ "_A2B10G10R10", D3DFMT_A2R10G10B10, GL_RGBA8, GL_SRGB8_ALPHA8_EXT, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 1, 4 },
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// { "_A2B10G10R10", D3DFMT_A2R10G10B10, GL_UNSIGNED_INT_10_10_10_2, GL_UNSIGNED_INT_10_10_10_2, GL_RGBA, GL_UNSIGNED_INT, 1, 4 },
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/*
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// NV shadow depth tex
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D3DFMT_NV_INTZ = 0x5a544e49, // MAKEFOURCC('I','N','T','Z')
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D3DFMT_NV_RAWZ = 0x5a574152, // MAKEFOURCC('R','A','W','Z')
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// NV null tex
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D3DFMT_NV_NULL = 0x4c4c554e, // MAKEFOURCC('N','U','L','L')
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// ATI shadow depth tex
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D3DFMT_ATI_D16 = 0x36314644, // MAKEFOURCC('D','F','1','6')
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D3DFMT_ATI_D24S8 = 0x34324644, // MAKEFOURCC('D','F','2','4')
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// ATI 1N and 2N compressed tex
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D3DFMT_ATI_2N = 0x32495441, // MAKEFOURCC('A', 'T', 'I', '2')
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D3DFMT_ATI_1N = 0x31495441, // MAKEFOURCC('A', 'T', 'I', '1')
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*/
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};
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int g_formatDescTableCount = sizeof(g_formatDescTable) / sizeof( g_formatDescTable[0] );
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const GLMTexFormatDesc *GetFormatDesc( D3DFORMAT format )
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{
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for( int i=0; i<g_formatDescTableCount; i++)
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{
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if (g_formatDescTable[i].m_d3dFormat == format)
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{
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return &g_formatDescTable[i];
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}
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}
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return (const GLMTexFormatDesc *)NULL; // not found
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}
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//===============================================================================
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void InsertTexelComponentFixed( float value, int width, unsigned long *valuebuf )
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{
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unsigned long range = (1<<width);
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unsigned long scaled = (value * (float) range) * (range-1) / (range);
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if (scaled >= range) Debugger();
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*valuebuf = (*valuebuf << width) | scaled;
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}
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// return true if successful
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bool GLMGenTexels( GLMGenTexelParams *params )
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{
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unsigned char chunkbuf[256]; // can't think of any chunk this big..
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const GLMTexFormatDesc *format = GetFormatDesc( params->m_format );
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if (!format)
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{
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return FALSE; // fail
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}
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// this section just generates one square chunk in the desired format
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unsigned long *temp32 = (unsigned long*)chunkbuf;
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unsigned int chunksize = 0; // we can sanity check against the format table with this
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switch( params->m_format )
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{
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// comment shows byte order in RAM
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// lowercase is bit arrangement in a byte
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case D3DFMT_A8R8G8B8: // B G R A
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InsertTexelComponentFixed( params->a, 8, temp32 ); // A is inserted first and winds up at most significant bits after insertions follow
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InsertTexelComponentFixed( params->r, 8, temp32 );
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InsertTexelComponentFixed( params->g, 8, temp32 );
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InsertTexelComponentFixed( params->b, 8, temp32 );
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chunksize = 4;
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break;
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case D3DFMT_A4R4G4B4: // [ggggbbbb] [aaaarrrr] RA (nibbles)
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InsertTexelComponentFixed( params->a, 4, temp32 );
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InsertTexelComponentFixed( params->r, 4, temp32 );
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InsertTexelComponentFixed( params->g, 4, temp32 );
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InsertTexelComponentFixed( params->b, 4, temp32 );
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chunksize = 2;
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break;
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case D3DFMT_X8R8G8B8: // B G R X
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InsertTexelComponentFixed( 0.0, 8, temp32 );
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InsertTexelComponentFixed( params->r, 8, temp32 );
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InsertTexelComponentFixed( params->g, 8, temp32 );
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InsertTexelComponentFixed( params->b, 8, temp32 );
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chunksize = 4;
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break;
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case D3DFMT_X1R5G5B5: // [gggbbbbb] [xrrrrrgg]
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InsertTexelComponentFixed( 0.0, 1, temp32 );
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InsertTexelComponentFixed( params->r, 5, temp32 );
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InsertTexelComponentFixed( params->g, 5, temp32 );
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InsertTexelComponentFixed( params->b, 5, temp32 );
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chunksize = 2;
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break;
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case D3DFMT_A1R5G5B5: // [gggbbbbb] [arrrrrgg]
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InsertTexelComponentFixed( params->a, 1, temp32 );
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InsertTexelComponentFixed( params->r, 5, temp32 );
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InsertTexelComponentFixed( params->g, 5, temp32 );
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InsertTexelComponentFixed( params->b, 5, temp32 );
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chunksize = 2;
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break;
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case D3DFMT_L8: // L // caller, use R for L
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InsertTexelComponentFixed( params->r, 8, temp32 );
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chunksize = 1;
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break;
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case D3DFMT_A8L8: // L A // caller, use R for L and A for A
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InsertTexelComponentFixed( params->a, 8, temp32 );
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InsertTexelComponentFixed( params->r, 8, temp32 );
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chunksize = 2;
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break;
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case D3DFMT_R8G8B8: // B G R
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InsertTexelComponentFixed( params->r, 8, temp32 );
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InsertTexelComponentFixed( params->g, 8, temp32 );
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InsertTexelComponentFixed( params->b, 8, temp32 );
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chunksize = 3;
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break;
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case D3DFMT_A8: // A
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InsertTexelComponentFixed( params->a, 8, temp32 );
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chunksize = 1;
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break;
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case D3DFMT_R5G6B5: // [gggbbbbb] [rrrrrggg]
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InsertTexelComponentFixed( params->r, 5, temp32 );
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InsertTexelComponentFixed( params->g, 6, temp32 );
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InsertTexelComponentFixed( params->b, 5, temp32 );
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chunksize = 2;
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break;
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case D3DFMT_DXT1:
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{
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memset( temp32, 0, 8 ); // zap 8 bytes
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// two 565 RGB words followed by 32 bits of 2-bit interp values for a 4x4 block
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// we write the same color to both slots and all zeroes for the mask (one color total)
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unsigned long dxt1_color = 0;
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// generate one such word and clone it
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InsertTexelComponentFixed( params->r, 5, &dxt1_color );
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InsertTexelComponentFixed( params->g, 6, &dxt1_color );
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InsertTexelComponentFixed( params->b, 5, &dxt1_color );
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// dupe
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dxt1_color = dxt1_color | (dxt1_color<<16);
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// write into chunkbuf
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*(unsigned long*)&chunkbuf[0] = dxt1_color;
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// color mask bits after that are already set to all zeroes. chunk is done.
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chunksize = 8;
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}
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break;
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case D3DFMT_DXT3:
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{
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memset( temp32, 0, 16 ); // zap 16 bytes
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// eight bytes of alpha (16 4-bit alpha nibbles)
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// followed by a DXT1 block
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unsigned long dxt3_alpha = 0;
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for( int i=0; i<8; i++)
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{
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// splat same alpha through block
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InsertTexelComponentFixed( params->a, 4, &dxt3_alpha );
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}
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unsigned long dxt3_color = 0;
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// generate one such word and clone it
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InsertTexelComponentFixed( params->r, 5, &dxt3_color );
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InsertTexelComponentFixed( params->g, 6, &dxt3_color );
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InsertTexelComponentFixed( params->b, 5, &dxt3_color );
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// dupe
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dxt3_color = dxt3_color | (dxt3_color<<16);
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// write into chunkbuf
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*(unsigned long*)&chunkbuf[0] = dxt3_alpha;
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*(unsigned long*)&chunkbuf[4] = dxt3_alpha;
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*(unsigned long*)&chunkbuf[8] = dxt3_color;
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*(unsigned long*)&chunkbuf[12] = dxt3_color;
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chunksize = 16;
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}
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break;
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case D3DFMT_DXT5:
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{
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memset( temp32, 0, 16 ); // zap 16 bytes
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// DXT5 has 8 bytes of compressed alpha, then 8 bytes of compressed RGB like DXT1.
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// the 8 alpha bytes are 2 bytes of endpoint alpha values, then 16x3 bits of interpolants.
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// so to write a single alpha value, just figure out the value, store it in both the first two bytes then store zeroes.
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InsertTexelComponentFixed( params->a, 8, (unsigned long*)&chunkbuf[0] );
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InsertTexelComponentFixed( params->a, 8, (unsigned long*)&chunkbuf[0] );
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// rest of the alpha mask was already zeroed.
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// now do colors
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unsigned long dxt5_color = 0;
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// generate one such word and clone it
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InsertTexelComponentFixed( params->r, 5, &dxt5_color );
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InsertTexelComponentFixed( params->g, 6, &dxt5_color );
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InsertTexelComponentFixed( params->b, 5, &dxt5_color );
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// dupe
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dxt5_color = dxt5_color | (dxt5_color<<16);
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// write into chunkbuf
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*(unsigned long*)&chunkbuf[8] = dxt5_color;
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*(unsigned long*)&chunkbuf[12] = dxt5_color;
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chunksize = 16;
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}
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break;
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case D3DFMT_A32B32G32R32F:
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{
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*(float*)&chunkbuf[0] = params->r;
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*(float*)&chunkbuf[4] = params->g;
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*(float*)&chunkbuf[8] = params->b;
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*(float*)&chunkbuf[12] = params->a;
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chunksize = 16;
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}
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break;
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case D3DFMT_A16B16G16R16:
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memset( chunkbuf, 0, 8 );
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// R and G wind up in the first 32 bits
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// B and A wind up in the second 32 bits
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InsertTexelComponentFixed( params->a, 16, (unsigned long*)&chunkbuf[4] ); // winds up as MSW of second word (note [4]) - thus last in RAM
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InsertTexelComponentFixed( params->b, 16, (unsigned long*)&chunkbuf[4] );
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InsertTexelComponentFixed( params->g, 16, (unsigned long*)&chunkbuf[0] );
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InsertTexelComponentFixed( params->r, 16, (unsigned long*)&chunkbuf[0] ); // winds up as LSW of first word, thus first in RAM
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chunksize = 8;
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break;
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// not done yet
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//case D3DFMT_D16:
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//case D3DFMT_D24X8:
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//case D3DFMT_D24S8:
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//case D3DFMT_A16B16G16R16F:
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default:
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return FALSE; // fail
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break;
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}
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// once the chunk buffer is filled..
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// sanity check the reported chunk size.
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if (chunksize != format->m_bytesPerSquareChunk)
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{
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Debugger();
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return FALSE;
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}
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// verify that the amount you want to write will not exceed the limit byte count
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unsigned long destByteCount = chunksize * params->m_chunkCount;
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if (destByteCount > params->m_byteCountLimit)
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{
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Debugger();
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return FALSE;
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}
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// write the bytes.
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unsigned char *destP = (unsigned char*)params->m_dest;
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for( int chunk=0; chunk < params->m_chunkCount; chunk++)
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{
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for( int byteindex = 0; byteindex < chunksize; byteindex++)
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{
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*destP++ = chunkbuf[byteindex];
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}
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}
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params->m_bytesWritten = destP - (unsigned char*)params->m_dest;
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return TRUE;
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}
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//===============================================================================
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bool LessFunc_GLMTexLayoutKey( const GLMTexLayoutKey &a, const GLMTexLayoutKey &b )
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{
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#define DO_LESS(fff) if (a.fff != b.fff) { return (a.fff< b.fff); }
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|
|
DO_LESS(m_texGLTarget);
|
|
DO_LESS(m_texFormat);
|
|
DO_LESS(m_texFlags);
|
|
DO_LESS(m_xSize);
|
|
DO_LESS(m_ySize)
|
|
DO_LESS(m_zSize);
|
|
|
|
#undef DO_LESS
|
|
|
|
return false; // they are equal
|
|
}
|
|
|
|
CGLMTexLayoutTable::CGLMTexLayoutTable()
|
|
{
|
|
m_layoutMap.SetLessFunc( LessFunc_GLMTexLayoutKey );
|
|
}
|
|
|
|
GLMTexLayout *CGLMTexLayoutTable::NewLayoutRef( GLMTexLayoutKey *key )
|
|
{
|
|
// look up 'key' in the map and see if it's a hit, if so, bump the refcount and return
|
|
// if not, generate a completed layout based on the key, add to map, set refcount to 1, return that
|
|
|
|
const GLMTexFormatDesc *formatDesc = GetFormatDesc( key->m_texFormat );
|
|
bool compression = (formatDesc->m_chunkSize > 1);
|
|
if (!formatDesc)
|
|
{
|
|
GLMStop(); // bad news
|
|
}
|
|
|
|
unsigned short index = m_layoutMap.Find( *key );
|
|
if (index != m_layoutMap.InvalidIndex())
|
|
{
|
|
// found it
|
|
//printf(" -hit- ");
|
|
GLMTexLayout *layout = m_layoutMap[ index ];
|
|
|
|
// bump ref count
|
|
layout->m_refCount ++;
|
|
|
|
return layout;
|
|
}
|
|
else
|
|
{
|
|
//printf(" -miss- ");
|
|
// need to make a new one
|
|
// to allocate it, we need to know how big to make it (slice count)
|
|
|
|
// figure out how many mip levels are in play
|
|
int mipCount = 1;
|
|
if (key->m_texFlags & kGLMTexMipped)
|
|
{
|
|
int largestAxis = key->m_xSize;
|
|
|
|
if (key->m_ySize > largestAxis)
|
|
largestAxis = key->m_ySize;
|
|
|
|
if (key->m_zSize > largestAxis)
|
|
largestAxis = key->m_zSize;
|
|
|
|
mipCount = 0;
|
|
while( largestAxis > 0 )
|
|
{
|
|
mipCount ++;
|
|
largestAxis >>= 1;
|
|
}
|
|
}
|
|
|
|
int faceCount = 1;
|
|
if (key->m_texGLTarget == GL_TEXTURE_CUBE_MAP)
|
|
{
|
|
faceCount = 6;
|
|
}
|
|
|
|
int sliceCount = mipCount * faceCount;
|
|
|
|
if (key->m_texFlags & kGLMTexMultisampled)
|
|
{
|
|
Assert( (key->m_texGLTarget == GL_TEXTURE_2D) );
|
|
Assert( sliceCount == 1 );
|
|
|
|
// assume non mipped
|
|
Assert( (key->m_texFlags & kGLMTexMipped) == 0 );
|
|
Assert( (key->m_texFlags & kGLMTexMippedAuto) == 0 );
|
|
|
|
// assume renderable and srgb
|
|
Assert( (key->m_texFlags & kGLMTexRenderable) !=0 );
|
|
//Assert( (key->m_texFlags & kGLMTexSRGB) !=0 ); //FIXME don't assert on making depthstencil surfaces which are non srgb
|
|
|
|
// double check sample count (FIXME need real limit check here against device/driver)
|
|
Assert( (key->m_texSamples==2) || (key->m_texSamples==4) || (key->m_texSamples==6) || (key->m_texSamples==8) );
|
|
}
|
|
|
|
// now we know enough to allocate and populate the new tex layout.
|
|
|
|
// malloc the new layout
|
|
int layoutSize = sizeof( GLMTexLayout ) + (sliceCount * sizeof( GLMTexLayoutSlice ));
|
|
GLMTexLayout *layout = (GLMTexLayout *)malloc( layoutSize );
|
|
memset( layout, 0, layoutSize );
|
|
|
|
// clone the key in there
|
|
memset( &layout->m_key, 0x00, sizeof(layout->m_key) );
|
|
layout->m_key = *key;
|
|
|
|
// set refcount
|
|
layout->m_refCount = 1;
|
|
|
|
// save the format desc
|
|
layout->m_format = (GLMTexFormatDesc *)formatDesc;
|
|
|
|
// we know the mipcount from before
|
|
layout->m_mipCount = mipCount;
|
|
|
|
// we know the face count too
|
|
layout->m_faceCount = faceCount;
|
|
|
|
// slice count is the product
|
|
layout->m_sliceCount = mipCount * faceCount;
|
|
|
|
// we can now fill in the slices.
|
|
GLMTexLayoutSlice *slicePtr = &layout->m_slices[0];
|
|
int storageOffset = 0;
|
|
|
|
bool compressed = (formatDesc->m_chunkSize > 1); // true if DXT
|
|
|
|
for( int mip = 0; mip < mipCount; mip ++ )
|
|
{
|
|
for( int face = 0; face < faceCount; face++ )
|
|
{
|
|
// note application of chunk size which is 1 for uncompressed, and 4 for compressed tex (DXT)
|
|
// note also that the *dimensions* must scale down to 1
|
|
// but that the *storage* cannot go below 4x4.
|
|
// we introduce the "storage sizes" which are clamped, to compute the storage footprint.
|
|
|
|
int storage_x,storage_y,storage_z;
|
|
|
|
slicePtr->m_xSize = layout->m_key.m_xSize >> mip;
|
|
slicePtr->m_xSize = MAX( slicePtr->m_xSize, 1 ); // dimension can't go to zero
|
|
storage_x = MAX( slicePtr->m_xSize, formatDesc->m_chunkSize ); // storage extent can't go below chunk size
|
|
|
|
slicePtr->m_ySize = layout->m_key.m_ySize >> mip;
|
|
slicePtr->m_ySize = MAX( slicePtr->m_ySize, 1 ); // dimension can't go to zero
|
|
storage_y = MAX( slicePtr->m_ySize, formatDesc->m_chunkSize ); // storage extent can't go below chunk size
|
|
|
|
slicePtr->m_zSize = layout->m_key.m_zSize >> mip;
|
|
slicePtr->m_zSize = MAX( slicePtr->m_zSize, 1 ); // dimension can't go to zero
|
|
storage_z = MAX( slicePtr->m_zSize, 1); // storage extent for Z cannot go below '1'.
|
|
|
|
//if (compressed) NO NO NO do not lie about the dimensionality, just fudge the storage.
|
|
//{
|
|
// // round up to multiple of 4 in X and Y axes
|
|
// slicePtr->m_xSize = (slicePtr->m_xSize+3) & (~3);
|
|
// slicePtr->m_ySize = (slicePtr->m_ySize+3) & (~3);
|
|
//}
|
|
|
|
int xchunks = (storage_x / formatDesc->m_chunkSize );
|
|
int ychunks = (storage_y / formatDesc->m_chunkSize );
|
|
|
|
slicePtr->m_storageSize = (xchunks * ychunks * formatDesc->m_bytesPerSquareChunk) * storage_z;
|
|
slicePtr->m_storageOffset = storageOffset;
|
|
|
|
storageOffset += slicePtr->m_storageSize;
|
|
storageOffset = ( (storageOffset+0x0F) & (~0x0F)); // keep each MIP starting on a 16 byte boundary.
|
|
|
|
slicePtr++;
|
|
}
|
|
}
|
|
|
|
layout->m_storageTotalSize = storageOffset;
|
|
//printf("\n size %08x for key (x=%d y=%d z=%d, fmt=%08x, bpsc=%d)", layout->m_storageTotalSize, key->m_xSize, key->m_ySize, key->m_zSize, key->m_texFormat, formatDesc->m_bytesPerSquareChunk );
|
|
|
|
// generate summary
|
|
// "target, format, +/- mips, base size"
|
|
char scratch[1024];
|
|
|
|
char *targetname;
|
|
switch( key->m_texGLTarget )
|
|
{
|
|
case GL_TEXTURE_2D: targetname = "2D "; break;
|
|
case GL_TEXTURE_3D: targetname = "3D "; break;
|
|
case GL_TEXTURE_CUBE_MAP: targetname = "CUBE"; break;
|
|
}
|
|
|
|
sprintf( scratch, "[%s %s %dx%dx%d mips=%d slices=%d flags=%02X%s]",
|
|
targetname,
|
|
formatDesc->m_formatSummary,
|
|
layout->m_key.m_xSize, layout->m_key.m_ySize, layout->m_key.m_zSize,
|
|
mipCount,
|
|
sliceCount,
|
|
layout->m_key.m_texFlags,
|
|
(layout->m_key.m_texFlags & kGLMTexSRGB) ? " SRGB" : ""
|
|
);
|
|
layout->m_layoutSummary = strdup( scratch );
|
|
//GLMPRINTF(("-D- new tex layout [ %s ]", scratch ));
|
|
|
|
// then insert into map. disregard returned index.
|
|
m_layoutMap.Insert( layout->m_key, layout );
|
|
|
|
return layout;
|
|
}
|
|
}
|
|
|
|
void CGLMTexLayoutTable::DelLayoutRef( GLMTexLayout *layout )
|
|
{
|
|
// locate layout in hash, drop refcount
|
|
// (some GC step later on will harvest expired layouts - not like it's any big challenge to re-generate them)
|
|
|
|
unsigned short index = m_layoutMap.Find( layout->m_key );
|
|
if (index != m_layoutMap.InvalidIndex())
|
|
{
|
|
// found it
|
|
GLMTexLayout *layout = m_layoutMap[ index ];
|
|
|
|
// drop ref count
|
|
layout->m_refCount --;
|
|
|
|
assert( layout->m_refCount >= 0 );
|
|
}
|
|
else
|
|
{
|
|
// that's bad
|
|
GLMStop();
|
|
}
|
|
}
|
|
|
|
void CGLMTexLayoutTable::DumpStats( )
|
|
{
|
|
for (int i=0; i<m_layoutMap.Count(); i++ )
|
|
{
|
|
GLMTexLayout *layout = m_layoutMap[ i ];
|
|
|
|
// print it out
|
|
printf("\n%05d instances %08d bytes %08d totbytes %s", layout->m_refCount, layout->m_storageTotalSize, (layout->m_refCount*layout->m_storageTotalSize), layout->m_layoutSummary );
|
|
}
|
|
}
|
|
|
|
|
|
ConVar gl_texclientstorage( "gl_texclientstorage", "1" ); // default 1 for L4D2
|
|
|
|
ConVar gl_texmsaalog ( "gl_texmsaalog", "0");
|
|
|
|
ConVar gl_rt_forcergba ( "gl_rt_forcergba", "1" ); // on teximage of a renderable tex, pass GL_RGBA in place of GL_BGRA
|
|
|
|
ConVar gl_minimize_rt_tex ( "gl_minimize_rt_tex", "0" ); // if 1, set the GL_TEXTURE_MINIMIZE_STORAGE_APPLE texture parameter to cut off mipmaps for RT's
|
|
ConVar gl_minimize_all_tex ( "gl_minimize_all_tex", "1" ); // if 1, set the GL_TEXTURE_MINIMIZE_STORAGE_APPLE texture parameter to cut off mipmaps for textures which are unmipped
|
|
ConVar gl_minimize_tex_log ( "gl_minimize_tex_log", "0" ); // if 1, printf the names of the tex that got minimized
|
|
|
|
CGLMTex::CGLMTex( GLMContext *ctx, GLMTexLayout *layout, GLMTexSamplingParams *sampling, const char *debugLabel )
|
|
{
|
|
// caller has responsibility to make 'ctx' current, but we check to be sure.
|
|
ctx->CheckCurrent();
|
|
|
|
// note layout requested
|
|
m_layout = layout;
|
|
m_maxActiveMip = -1; //index of highest mip that has been written - increase as each mip arrives
|
|
m_minActiveMip = 999; //index of lowest mip that has been written - lower it as each mip arrives
|
|
|
|
// note sampling (copy values)
|
|
m_sampling = *sampling;
|
|
|
|
// note context owner
|
|
m_ctx = ctx;
|
|
|
|
// clear the bind point flags
|
|
m_bindPoints.ClearAll();
|
|
|
|
// clear the RT attach count
|
|
m_rtAttachCount = 0;
|
|
|
|
// come up with a GL name for this texture.
|
|
// for MTGL friendliness, we should generate our own names at some point..
|
|
glGenTextures( 1, &m_texName );
|
|
|
|
//sense whether to try and apply client storage upon teximage/subimage
|
|
m_texClientStorage = gl_texclientstorage.GetInt() != 0;
|
|
|
|
// flag that we have not yet been explicitly kicked into VRAM..
|
|
m_texPreloaded = false;
|
|
|
|
// clone the debug label if there is one.
|
|
m_debugLabel = debugLabel ? strdup(debugLabel) : NULL;
|
|
|
|
// if tex is MSAA renderable, make an RBO, else zero the RBO name and dirty bit
|
|
if (layout->m_key.m_texFlags & kGLMTexMultisampled)
|
|
{
|
|
glGenRenderbuffersEXT( 1, &m_rboName );
|
|
m_rboDirty = false;
|
|
|
|
// so we have enough info to go ahead and bind the RBO and put storage on it?
|
|
// try it.
|
|
glBindRenderbufferEXT( GL_RENDERBUFFER_EXT, m_rboName );
|
|
GLMCheckError();
|
|
|
|
// quietly clamp if sample count exceeds known limit for the device
|
|
int sampleCount = layout->m_key.m_texSamples;
|
|
|
|
if (sampleCount > ctx->Caps().m_maxSamples)
|
|
{
|
|
sampleCount = ctx->Caps().m_maxSamples; // clamp
|
|
}
|
|
|
|
GLenum msaaFormat = (layout->m_key.m_texFlags & kGLMTexSRGB) ? layout->m_format->m_glIntFormatSRGB : layout->m_format->m_glIntFormat;
|
|
glRenderbufferStorageMultisampleEXT( GL_RENDERBUFFER_EXT,
|
|
sampleCount, // not "layout->m_key.m_texSamples"
|
|
msaaFormat,
|
|
layout->m_key.m_xSize,
|
|
layout->m_key.m_ySize );
|
|
GLMCheckError();
|
|
|
|
if (gl_texmsaalog.GetInt())
|
|
{
|
|
printf( "\n == MSAA Tex %8x %s : MSAA RBO is intformat %s (%x)", this, m_debugLabel?m_debugLabel:"", GLMDecode( eGL_ENUM, msaaFormat ), msaaFormat );
|
|
}
|
|
|
|
glBindRenderbufferEXT( GL_RENDERBUFFER_EXT, 0 );
|
|
GLMCheckError();
|
|
}
|
|
else
|
|
{
|
|
m_rboName = 0;
|
|
m_rboDirty = false;
|
|
}
|
|
|
|
|
|
// at this point we have the complete description of the texture, and a name for it, but no data and no actual GL object.
|
|
// we know this name has bever seen duty before, so we're going to hard-bind it to TMU 0, displacing any other tex that might have been bound there.
|
|
// any previously bound tex will be unbound and appropriately marked as a result.
|
|
// the active TMU will be set as a side effect.
|
|
ctx->BindTexToTMU( this, 0 );
|
|
|
|
// OK, our texture now exists and is bound on the active TMU. Not drawable yet though.
|
|
|
|
// impose the sampling params we were given, unconditionally
|
|
ApplySamplingParams( sampling, true );
|
|
|
|
// if not an RT, create backing storage and fill it
|
|
if ( !(layout->m_key.m_texFlags & kGLMTexRenderable) )
|
|
{
|
|
m_backing = (char *)malloc( m_layout->m_storageTotalSize );
|
|
memset( m_backing, 0, m_layout->m_storageTotalSize );
|
|
|
|
// track bytes allocated for non-RT's
|
|
int formindex = sEncodeLayoutAsIndex( &layout->m_key );
|
|
|
|
g_texGlobalBytes[ formindex ] += m_layout->m_storageTotalSize;
|
|
|
|
#if TEXSPACE_LOGGING
|
|
printf( "\n Tex %s added %d bytes in form %d which is now %d bytes", m_debugLabel ? m_debugLabel : "-", m_layout->m_storageTotalSize, formindex, g_texGlobalBytes[ formindex ] );
|
|
printf( "\n\t\t[ %d %d %d %d %d %d %d %d ]",
|
|
g_texGlobalBytes[ 0 ],g_texGlobalBytes[ 1 ],g_texGlobalBytes[ 2 ],g_texGlobalBytes[ 3 ],
|
|
g_texGlobalBytes[ 4 ],g_texGlobalBytes[ 5 ],g_texGlobalBytes[ 6 ],g_texGlobalBytes[ 7 ]
|
|
);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
m_backing = NULL;
|
|
|
|
m_texClientStorage = false;
|
|
}
|
|
|
|
// init lock count
|
|
// lock reqs are tracked by the owning context
|
|
m_lockCount = 0;
|
|
|
|
m_sliceFlags.SetCount( m_layout->m_sliceCount );
|
|
for( int i=0; i< m_layout->m_sliceCount; i++)
|
|
{
|
|
m_sliceFlags[i] = 0;
|
|
// kSliceValid = false (we have not teximaged each slice yet)
|
|
// kSliceStorageValid = false (the storage allocated does not reflect what is in the tex)
|
|
// kSliceLocked = false (the slices are not locked)
|
|
// kSliceFullyDirty = false (this does not come true til first lock)
|
|
}
|
|
|
|
// texture minimize parameter keeps driver from allocing mips when it should not, by being explicit about the ones that have no mips.
|
|
|
|
bool setMinimizeParameter = false;
|
|
bool minimize_rt = (gl_minimize_rt_tex.GetInt()!=0);
|
|
bool minimize_all = (gl_minimize_all_tex.GetInt()!=0);
|
|
|
|
if (layout->m_key.m_texFlags & kGLMTexRenderable)
|
|
{
|
|
// it's an RT. if mips were not explicitly requested, and "gl_minimize_rt_tex" is true, set the minimize parameter.
|
|
if ( (minimize_rt || minimize_all) && ( !(layout->m_key.m_texFlags & kGLMTexMipped) ) )
|
|
{
|
|
setMinimizeParameter = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// not an RT. if mips were not requested, and "gl_minimize_all_tex" is true, set the minimize parameter.
|
|
if ( minimize_all && ( !(layout->m_key.m_texFlags & kGLMTexMipped) ) )
|
|
{
|
|
setMinimizeParameter = true;
|
|
}
|
|
}
|
|
|
|
if (setMinimizeParameter)
|
|
{
|
|
if (gl_minimize_tex_log.GetInt())
|
|
{
|
|
printf("\n minimizing storage for tex '%s' [%s] ", m_debugLabel?m_debugLabel:"-", m_layout->m_layoutSummary );
|
|
}
|
|
glTexParameteri( m_layout->m_key.m_texGLTarget, GL_TEXTURE_MINIMIZE_STORAGE_APPLE, 1 );
|
|
}
|
|
|
|
// after a lot of pain with texture completeness...
|
|
// always push black into all slices of all newly created textures.
|
|
|
|
#if 0
|
|
bool pushRenderableSlices = (m_layout->m_key.m_texFlags & kGLMTexRenderable) != 0;
|
|
bool pushTexSlices = true; // just do it everywhere (m_layout->m_mipCount>1) && (m_layout->m_format->m_chunkSize !=1) ;
|
|
if (pushTexSlices)
|
|
{
|
|
// fill storage with mostly-opaque purple
|
|
|
|
GLMGenTexelParams genp;
|
|
memset( &genp, 0, sizeof(genp) );
|
|
|
|
genp.m_format = m_layout->m_format->m_d3dFormat;
|
|
const GLMTexFormatDesc *format = GetFormatDesc( genp.m_format );
|
|
|
|
genp.m_dest = m_backing; // dest addr
|
|
genp.m_chunkCount = m_layout->m_storageTotalSize / format->m_bytesPerSquareChunk; // fill the whole slab
|
|
genp.m_byteCountLimit = m_layout->m_storageTotalSize; // limit writes to this amount
|
|
|
|
genp.r = 1.0;
|
|
genp.g = 0.0;
|
|
genp.b = 1.0;
|
|
genp.a = 0.75;
|
|
|
|
GLMGenTexels( &genp );
|
|
}
|
|
#endif
|
|
|
|
//if (pushRenderableSlices || pushTexSlices)
|
|
if (1)
|
|
{
|
|
for( int face=0; face <m_layout->m_faceCount; face++)
|
|
{
|
|
for( int mip=0; mip <m_layout->m_mipCount; mip++)
|
|
{
|
|
// we're not really going to lock, we're just going to write the blank data from the backing store we just made
|
|
GLMTexLockDesc desc;
|
|
|
|
desc.m_req.m_tex = this;
|
|
desc.m_req.m_face = face;
|
|
desc.m_req.m_mip = mip;
|
|
|
|
desc.m_sliceIndex = CalcSliceIndex( face, mip );
|
|
|
|
GLMTexLayoutSlice *slice = &m_layout->m_slices[ desc.m_sliceIndex ];
|
|
|
|
desc.m_req.m_region.xmin = desc.m_req.m_region.ymin = desc.m_req.m_region.zmin = 0;
|
|
desc.m_req.m_region.xmax = slice->m_xSize;
|
|
desc.m_req.m_region.ymax = slice->m_ySize;
|
|
desc.m_req.m_region.zmax = slice->m_zSize;
|
|
|
|
desc.m_sliceBaseOffset = slice->m_storageOffset; // doesn't really matter... we're just pushing zeroes..
|
|
desc.m_sliceRegionOffset = 0;
|
|
|
|
this->WriteTexels( &desc, true, (layout->m_key.m_texFlags & kGLMTexRenderable)!=0 ); // write whole slice - but disable data source if it's an RT, as there's no backing
|
|
}
|
|
}
|
|
}
|
|
GLMPRINTF(("-A- -**TEXNEW '%-60s' name=%06d size=%09d storage=%08x label=%s ", m_layout->m_layoutSummary, m_texName, m_layout->m_storageTotalSize, m_backing, m_debugLabel ? m_debugLabel : "-" ));
|
|
}
|
|
|
|
CGLMTex::~CGLMTex( )
|
|
{
|
|
if ( !(m_layout->m_key.m_texFlags & kGLMTexRenderable) )
|
|
{
|
|
int formindex = sEncodeLayoutAsIndex( &m_layout->m_key );
|
|
|
|
g_texGlobalBytes[ formindex ] -= m_layout->m_storageTotalSize;
|
|
|
|
#if TEXSPACE_LOGGING
|
|
printf( "\n Tex %s freed %d bytes in form %d which is now %d bytes", m_debugLabel ? m_debugLabel : "-", m_layout->m_storageTotalSize, formindex, g_texGlobalBytes[ formindex ] );
|
|
printf( "\n\t\t[ %d %d %d %d %d %d %d %d ]",
|
|
g_texGlobalBytes[ 0 ],g_texGlobalBytes[ 1 ],g_texGlobalBytes[ 2 ],g_texGlobalBytes[ 3 ],
|
|
g_texGlobalBytes[ 4 ],g_texGlobalBytes[ 5 ],g_texGlobalBytes[ 6 ],g_texGlobalBytes[ 7 ]
|
|
);
|
|
#endif
|
|
}
|
|
|
|
GLMPRINTF(("-A- -**TEXDEL '%-60s' name=%06d size=%09d storage=%08x label=%s ", m_layout->m_layoutSummary, m_texName, m_layout->m_storageTotalSize, m_backing, m_debugLabel ? m_debugLabel : "-" ));
|
|
// check first to see if we were still bound anywhere or locked... these should be failures.
|
|
|
|
// if all that is OK, then delete the underlying tex
|
|
glDeleteTextures( 1, &m_texName );
|
|
GLMCheckError();
|
|
m_texName = 0;
|
|
|
|
if(m_rboName)
|
|
{
|
|
glDeleteRenderbuffersEXT( 1, &m_rboName );
|
|
GLMCheckError();
|
|
m_rboName = 0;
|
|
m_rboDirty = false;
|
|
}
|
|
|
|
|
|
// release our usage of the layout
|
|
m_ctx->m_texLayoutTable->DelLayoutRef( m_layout );
|
|
m_layout = NULL;
|
|
|
|
if (m_backing)
|
|
{
|
|
free( m_backing );
|
|
m_backing = NULL;
|
|
}
|
|
|
|
if (m_debugLabel)
|
|
{
|
|
free( m_debugLabel );
|
|
m_debugLabel = NULL;
|
|
}
|
|
|
|
m_ctx = NULL;
|
|
}
|
|
|
|
int CGLMTex::CalcSliceIndex( int face, int mip )
|
|
{
|
|
// faces of the same mip level are adjacent. "face major" storage
|
|
int index = (mip * m_layout->m_faceCount) + face;
|
|
|
|
return index;
|
|
}
|
|
|
|
void CGLMTex::CalcTexelDataOffsetAndStrides( int sliceIndex, int x, int y, int z, int *offsetOut, int *yStrideOut, int *zStrideOut )
|
|
{
|
|
int offset = 0;
|
|
int yStride = 0;
|
|
int zStride = 0;
|
|
|
|
GLMTexFormatDesc *format = m_layout->m_format;
|
|
if (format->m_chunkSize==1)
|
|
{
|
|
// figure out row stride and layer stride
|
|
yStride = format->m_bytesPerSquareChunk * m_layout->m_slices[sliceIndex].m_xSize; // bytes per texel row (y stride)
|
|
zStride = yStride * m_layout->m_slices[sliceIndex].m_ySize; // bytes per texel layer (if 3D tex)
|
|
|
|
offset = x * format->m_bytesPerSquareChunk; // lateral offset
|
|
offset += (y * yStride); // scanline offset
|
|
offset += (z * zStride); // should be zero for 2D tex
|
|
}
|
|
else
|
|
{
|
|
yStride = format->m_bytesPerSquareChunk * (m_layout->m_slices[sliceIndex].m_xSize / format->m_chunkSize);
|
|
zStride = yStride * (m_layout->m_slices[sliceIndex].m_ySize / format->m_chunkSize);
|
|
|
|
// compressed format. scale the x,y,z values into chunks.
|
|
// assert if any of them are not multiples of a chunk.
|
|
int chunkx = x / format->m_chunkSize;
|
|
int chunky = y / format->m_chunkSize;
|
|
int chunkz = z / format->m_chunkSize;
|
|
|
|
if ( (chunkx * format->m_chunkSize) != x)
|
|
{
|
|
GLMStop();
|
|
}
|
|
|
|
if ( (chunky * format->m_chunkSize) != y)
|
|
{
|
|
GLMStop();
|
|
}
|
|
|
|
if ( (chunkz * format->m_chunkSize) != z)
|
|
{
|
|
GLMStop();
|
|
}
|
|
|
|
offset = chunkx * format->m_bytesPerSquareChunk; // lateral offset
|
|
offset += (chunky * yStride); // chunk row offset
|
|
offset += (chunkz * zStride); // should be zero for 2D tex
|
|
}
|
|
|
|
*offsetOut = offset;
|
|
*yStrideOut = yStride;
|
|
*zStrideOut = zStride;
|
|
}
|
|
|
|
void CGLMTex::ApplySamplingParams( GLMTexSamplingParams *params, bool noCheck )
|
|
{
|
|
#define DIFF(fff) (noCheck || (params->fff != m_sampling.fff))
|
|
|
|
GLenum target = m_layout->m_key.m_texGLTarget;
|
|
|
|
// if the texture is compressed, and has a maxActiveMip that is >=0 but less than the mip count,
|
|
// (i.e. they supplied *some* but not *all* mips needed)...
|
|
// generate them, and fix the max mip count.
|
|
|
|
|
|
//if ( /*(m_layout->m_format->m_chunkSize !=1) &&*/ (m_layout->m_mipCount>3) )
|
|
//{
|
|
// m_maxActiveMip = m_layout->m_mipCount-3; // pull back three levels
|
|
// glTexParameteri( target, GL_TEXTURE_MAX_LEVEL, m_maxActiveMip);
|
|
// GLMCheckError();
|
|
//}
|
|
|
|
if (DIFF(m_addressModes[0]))
|
|
{
|
|
m_sampling.m_addressModes[0] = params->m_addressModes[0];
|
|
glTexParameteri( target, GL_TEXTURE_WRAP_S, m_sampling.m_addressModes[0]);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_addressModes[1]))
|
|
{
|
|
m_sampling.m_addressModes[1] = params->m_addressModes[1];
|
|
glTexParameteri( target, GL_TEXTURE_WRAP_T, m_sampling.m_addressModes[1]);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_addressModes[2]))
|
|
{
|
|
m_sampling.m_addressModes[2] = params->m_addressModes[2];
|
|
glTexParameteri( target, GL_TEXTURE_WRAP_R, m_sampling.m_addressModes[2]);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if ( noCheck || memcmp( params->m_borderColor, m_sampling.m_borderColor, sizeof(m_sampling.m_borderColor) ) )
|
|
{
|
|
memcpy( m_sampling.m_borderColor, params->m_borderColor, sizeof(params->m_borderColor) );
|
|
glTexParameterfv( target, GL_TEXTURE_BORDER_COLOR, params->m_borderColor );
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_magFilter))
|
|
{
|
|
m_sampling.m_magFilter = params->m_magFilter;
|
|
glTexParameteri( target, GL_TEXTURE_MAG_FILTER, params->m_magFilter);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_minFilter))
|
|
{
|
|
m_sampling.m_minFilter = params->m_minFilter;
|
|
glTexParameteri( target, GL_TEXTURE_MIN_FILTER, params->m_minFilter);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_mipmapBias))
|
|
{
|
|
m_sampling.m_mipmapBias = params->m_mipmapBias;
|
|
//glTexParameterf( target, GL_TEXTURE_LOD_BIAS, params->m_mipmapBias );
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_minMipLevel))
|
|
{
|
|
// don't let minmiplevel go below min active mip level
|
|
m_sampling.m_minMipLevel = MAX( m_minActiveMip, params->m_minMipLevel );
|
|
glTexParameteri( target, GL_TEXTURE_MIN_LOD, m_sampling.m_minMipLevel);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_maxMipLevel))
|
|
{
|
|
// do not let max selectable LOD exceed the max submitted mip
|
|
|
|
m_sampling.m_maxMipLevel = MIN( m_maxActiveMip, params->m_maxMipLevel);
|
|
glTexParameteri( target, GL_TEXTURE_MAX_LOD, m_sampling.m_maxMipLevel);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_maxAniso))
|
|
{
|
|
m_sampling.m_maxAniso = MIN( m_ctx->m_caps.m_maxAniso, params->m_maxAniso );
|
|
glTexParameteri( target, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_sampling.m_maxAniso );
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (DIFF(m_compareMode))
|
|
{
|
|
m_sampling.m_compareMode = params->m_compareMode;
|
|
glTexParameteri( target, GL_TEXTURE_COMPARE_MODE_ARB, params->m_compareMode );
|
|
GLMCheckError();
|
|
|
|
if (params->m_compareMode == GL_COMPARE_R_TO_TEXTURE_ARB)
|
|
{
|
|
glTexParameteri( target, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL );
|
|
GLMCheckError();
|
|
}
|
|
}
|
|
|
|
if (DIFF(m_srgb))
|
|
{
|
|
m_sampling.m_srgb = params->m_srgb; // we might have to re-DL the tex if the SRGB read status changes..
|
|
}
|
|
|
|
#undef DIFF
|
|
}
|
|
|
|
void CGLMTex::ReadTexels( GLMTexLockDesc *desc, bool readWholeSlice )
|
|
{
|
|
GLMRegion readBox;
|
|
|
|
if (readWholeSlice)
|
|
{
|
|
readBox.xmin = readBox.ymin = readBox.zmin = 0;
|
|
|
|
readBox.xmax = m_layout->m_slices[ desc->m_sliceIndex ].m_xSize;
|
|
readBox.ymax = m_layout->m_slices[ desc->m_sliceIndex ].m_ySize;
|
|
readBox.zmax = m_layout->m_slices[ desc->m_sliceIndex ].m_zSize;
|
|
}
|
|
else
|
|
{
|
|
readBox = desc->m_req.m_region;
|
|
}
|
|
|
|
m_ctx->BindTexToTMU( this, 0, false ); // SelectTMU(n) is a side effect
|
|
|
|
if (readWholeSlice)
|
|
{
|
|
// make this work first.... then write the partial path
|
|
// (Hmmmm, I don't think we will ever actually need a partial path -
|
|
// since we have no notion of a partially valid slice of storage
|
|
|
|
GLMTexFormatDesc *format = m_layout->m_format;
|
|
GLenum target = m_layout->m_key.m_texGLTarget;
|
|
|
|
void *sliceAddress = m_backing + m_layout->m_slices[ desc->m_sliceIndex ].m_storageOffset; // this would change for PBO
|
|
int sliceSize = m_layout->m_slices[ desc->m_sliceIndex ].m_storageSize;
|
|
|
|
// interestingly enough, we can use the same path for both 2D and 3D fetch
|
|
|
|
switch( target )
|
|
{
|
|
case GL_TEXTURE_CUBE_MAP:
|
|
|
|
// adjust target to steer to the proper face, then fall through to the 2D texture path.
|
|
target = GL_TEXTURE_CUBE_MAP_POSITIVE_X + desc->m_req.m_face;
|
|
|
|
case GL_TEXTURE_2D:
|
|
case GL_TEXTURE_3D:
|
|
{
|
|
// check compressed or not
|
|
if (format->m_chunkSize != 1)
|
|
{
|
|
// compressed path
|
|
// http://www.opengl.org/sdk/docs/man/xhtml/glGetCompressedTexImage.xml
|
|
|
|
glGetCompressedTexImage( target, // target
|
|
desc->m_req.m_mip, // level
|
|
sliceAddress ); // destination
|
|
GLMCheckError();
|
|
}
|
|
else
|
|
{
|
|
// uncompressed path
|
|
// http://www.opengl.org/sdk/docs/man/xhtml/glGetTexImage.xml
|
|
|
|
glGetTexImage( target, // target
|
|
desc->m_req.m_mip, // level
|
|
format->m_glDataFormat, // dataformat
|
|
format->m_glDataType, // datatype
|
|
sliceAddress ); // destination
|
|
GLMCheckError();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
GLMStop();
|
|
}
|
|
}
|
|
|
|
// defaulting the subimage support off, since it's breaking Ep2 at startup on some NV 9400 and friends
|
|
// defaulting it back to "1" for L4D2 and see if it flies
|
|
ConVar gl_enabletexsubimage( "gl_enabletexsubimage", "1" );
|
|
|
|
void CGLMTex::WriteTexels( GLMTexLockDesc *desc, bool writeWholeSlice, bool noDataWrite )
|
|
{
|
|
GLMRegion writeBox;
|
|
|
|
bool needsExpand = false;
|
|
char *expandTemp = NULL;
|
|
|
|
switch( m_layout->m_format->m_d3dFormat)
|
|
{
|
|
case D3DFMT_V8U8:
|
|
{
|
|
needsExpand = true;
|
|
writeWholeSlice = true;
|
|
|
|
// shoot down client storage if we have to generate a new flavor of the data
|
|
m_texClientStorage = false;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (writeWholeSlice)
|
|
{
|
|
writeBox.xmin = writeBox.ymin = writeBox.zmin = 0;
|
|
|
|
writeBox.xmax = m_layout->m_slices[ desc->m_sliceIndex ].m_xSize;
|
|
writeBox.ymax = m_layout->m_slices[ desc->m_sliceIndex ].m_ySize;
|
|
writeBox.zmax = m_layout->m_slices[ desc->m_sliceIndex ].m_zSize;
|
|
}
|
|
else
|
|
{
|
|
writeBox = desc->m_req.m_region;
|
|
}
|
|
|
|
// first thing is to get the GL texture bound to a TMU, or just select one if already bound
|
|
// to get this running we will just always slam TMU 0 and let the draw time code fix it back
|
|
// a later optimization would be to hoist the bind call to the caller, do it exactly once
|
|
|
|
m_ctx->BindTexToTMU( this, 0, false ); // SelectTMU(n) is a side effect
|
|
|
|
GLMTexFormatDesc *format = m_layout->m_format;
|
|
|
|
GLenum target = m_layout->m_key.m_texGLTarget;
|
|
GLenum glDataFormat = format->m_glDataFormat; // this could change if expansion kicks in
|
|
GLenum glDataType = format->m_glDataType;
|
|
|
|
GLMTexLayoutSlice *slice = &m_layout->m_slices[ desc->m_sliceIndex ];
|
|
void *sliceAddress = m_backing ? (m_backing + slice->m_storageOffset) : NULL; // this would change for PBO
|
|
|
|
// allow use of subimage if the target is texture2D and it has already been teximage'd
|
|
bool mayUseSubImage = false;
|
|
if ( (target==GL_TEXTURE_2D) && (m_sliceFlags[ desc->m_sliceIndex ] & kSliceValid) )
|
|
{
|
|
mayUseSubImage = gl_enabletexsubimage.GetInt();
|
|
}
|
|
|
|
// check flavor, 2D, 3D, or cube map
|
|
// we also have the choice to use subimage if this is a tex already created. (open question as to benefit)
|
|
|
|
|
|
// SRGB select. At this level (writetexels) we firmly obey the m_texFlags.
|
|
// (mechanism not policy)
|
|
|
|
GLenum intformat = (m_layout->m_key.m_texFlags & kGLMTexSRGB) ? format->m_glIntFormatSRGB : format->m_glIntFormat;
|
|
if (CommandLine()->FindParm("-disable_srgbtex"))
|
|
{
|
|
// force non srgb flavor - experiment to make ATI r600 happy on 10.5.8 (maybe x1600 too!)
|
|
intformat = format->m_glIntFormat;
|
|
}
|
|
|
|
Assert( intformat != 0 );
|
|
|
|
if (m_layout->m_key.m_texFlags & kGLMTexSRGB)
|
|
{
|
|
Assert( m_layout->m_format->m_glDataFormat != GL_DEPTH_COMPONENT );
|
|
Assert( m_layout->m_format->m_glDataFormat != GL_DEPTH_STENCIL_EXT );
|
|
Assert( m_layout->m_format->m_glDataFormat != GL_ALPHA );
|
|
}
|
|
|
|
// adjust min and max mip written
|
|
if (desc->m_req.m_mip > m_maxActiveMip)
|
|
{
|
|
m_maxActiveMip = desc->m_req.m_mip;
|
|
|
|
glTexParameteri( target, GL_TEXTURE_MAX_LEVEL, desc->m_req.m_mip);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (desc->m_req.m_mip < m_minActiveMip)
|
|
{
|
|
m_minActiveMip = desc->m_req.m_mip;
|
|
|
|
glTexParameteri( target, GL_TEXTURE_BASE_LEVEL, desc->m_req.m_mip);
|
|
GLMCheckError();
|
|
}
|
|
|
|
if (needsExpand)
|
|
{
|
|
int expandSize = 0;
|
|
|
|
switch( m_layout->m_format->m_d3dFormat)
|
|
{
|
|
case D3DFMT_V8U8:
|
|
{
|
|
// figure out new size based on 3byte RGB format
|
|
// easy, just take the two byte size and grow it by 50%
|
|
expandSize = (slice->m_storageSize * 3) / 2;
|
|
expandTemp = (char*)malloc( expandSize );
|
|
|
|
char *src = (char*)sliceAddress;
|
|
char *dst = expandTemp;
|
|
|
|
// transfer RG's to RGB's
|
|
while(expandSize>0)
|
|
{
|
|
*dst = *src++; // move first byte
|
|
*dst = *src++; // move second byte
|
|
*dst = 0xBB; // pad third byte
|
|
|
|
expandSize -= 3;
|
|
}
|
|
|
|
// move the slice pointer
|
|
sliceAddress = expandTemp;
|
|
|
|
// change the data format we tell GL about
|
|
glDataFormat = GL_RGB;
|
|
}
|
|
break;
|
|
|
|
default: Assert(!"Don't know how to expand that format..");
|
|
}
|
|
|
|
}
|
|
|
|
// set up the client storage now, one way or another
|
|
glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, m_texClientStorage );
|
|
GLMCheckError();
|
|
|
|
switch( target )
|
|
{
|
|
case GL_TEXTURE_CUBE_MAP:
|
|
|
|
// adjust target to steer to the proper face, then fall through to the 2D texture path.
|
|
target = GL_TEXTURE_CUBE_MAP_POSITIVE_X + desc->m_req.m_face;
|
|
|
|
case GL_TEXTURE_2D:
|
|
{
|
|
// check compressed or not
|
|
if (format->m_chunkSize != 1)
|
|
{
|
|
Assert( writeWholeSlice ); //subimage not implemented in this path yet
|
|
|
|
// compressed path
|
|
// http://www.opengl.org/sdk/docs/man/xhtml/glCompressedTexImage2D.xml
|
|
glCompressedTexImage2D( target, // target
|
|
desc->m_req.m_mip, // level
|
|
intformat, // internalformat - don't use format->m_glIntFormat because we have the SRGB select going on above
|
|
slice->m_xSize, // width
|
|
slice->m_ySize, // height
|
|
0, // border
|
|
slice->m_storageSize, // imageSize
|
|
sliceAddress ); // data
|
|
GLMCheckError();
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
if (mayUseSubImage)
|
|
{
|
|
// go subimage2D if it's a replacement, not a creation
|
|
|
|
|
|
glPixelStorei( GL_UNPACK_ROW_LENGTH, slice->m_xSize ); // in pixels
|
|
glPixelStorei( GL_UNPACK_SKIP_PIXELS, writeBox.xmin ); // in pixels
|
|
glPixelStorei( GL_UNPACK_SKIP_ROWS, writeBox.ymin ); // in pixels
|
|
GLMCheckError();
|
|
|
|
glTexSubImage2D( target,
|
|
desc->m_req.m_mip, // level
|
|
writeBox.xmin, // xoffset into dest
|
|
writeBox.ymin, // yoffset into dest
|
|
writeBox.xmax - writeBox.xmin, // width (was slice->m_xSize)
|
|
writeBox.ymax - writeBox.ymin, // height (was slice->m_ySize)
|
|
glDataFormat, // format
|
|
glDataType, // type
|
|
sliceAddress // data (will be offsetted by the SKIP_PIXELS and SKIP_ROWS - let GL do the math to find the first source texel)
|
|
);
|
|
GLMCheckError();
|
|
|
|
glPixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
|
|
glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
|
|
glPixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
|
|
GLMCheckError();
|
|
|
|
/*
|
|
//http://www.opengl.org/sdk/docs/man/xhtml/glTexSubImage2D.xml
|
|
glTexSubImage2D( target,
|
|
desc->m_req.m_mip, // level
|
|
0, // xoffset
|
|
0, // yoffset
|
|
slice->m_xSize, // width
|
|
slice->m_ySize, // height
|
|
glDataFormat, // format
|
|
glDataType, // type
|
|
sliceAddress // data
|
|
);
|
|
GLMCheckError();
|
|
*/
|
|
}
|
|
else
|
|
{
|
|
if (m_layout->m_key.m_texFlags & kGLMTexRenderable)
|
|
{
|
|
if (gl_rt_forcergba.GetInt())
|
|
{
|
|
if (glDataFormat == GL_BGRA)
|
|
{
|
|
// change it
|
|
glDataFormat = GL_RGBA;
|
|
}
|
|
}
|
|
}
|
|
|
|
// uncompressed path
|
|
// http://www.opengl.org/documentation/specs/man_pages/hardcopy/GL/html/gl/teximage2d.html
|
|
glTexImage2D( target, // target
|
|
desc->m_req.m_mip, // level
|
|
intformat, // internalformat - don't use format->m_glIntFormat because we have the SRGB select going on above
|
|
slice->m_xSize, // width
|
|
slice->m_ySize, // height
|
|
0, // border
|
|
glDataFormat, // dataformat
|
|
glDataType, // datatype
|
|
noDataWrite ? NULL : sliceAddress ); // data (optionally suppressed in case ResetSRGB desires)
|
|
GLMCheckError();
|
|
|
|
if (m_layout->m_key.m_texFlags & kGLMTexMultisampled)
|
|
{
|
|
if (gl_texmsaalog.GetInt())
|
|
{
|
|
printf( "\n == MSAA Tex %8x %s : glTexImage2D for flat tex using intformat %s (%x)", this, m_debugLabel?m_debugLabel:"", GLMDecode( eGL_ENUM, intformat ), intformat );
|
|
printf( "\n" );
|
|
}
|
|
}
|
|
|
|
m_sliceFlags[ desc->m_sliceIndex ] |= kSliceValid; // for next time, we can subimage..
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case GL_TEXTURE_3D:
|
|
{
|
|
// check compressed or not
|
|
if (format->m_chunkSize != 1)
|
|
{
|
|
// compressed path
|
|
// http://www.opengl.org/sdk/docs/man/xhtml/glCompressedTexImage3D.xml
|
|
|
|
glCompressedTexImage3D( target, // target
|
|
desc->m_req.m_mip, // level
|
|
format->m_glIntFormat, // internalformat
|
|
slice->m_xSize, // width
|
|
slice->m_ySize, // height
|
|
slice->m_zSize, // depth
|
|
0, // border
|
|
slice->m_storageSize, // imageSize
|
|
sliceAddress ); // data
|
|
GLMCheckError();
|
|
}
|
|
else
|
|
{
|
|
// uncompressed path
|
|
// http://www.opengl.org/sdk/docs/man/xhtml/glTexImage3D.xml
|
|
glTexImage3D( target, // target
|
|
desc->m_req.m_mip, // level
|
|
format->m_glIntFormat, // internalformat
|
|
slice->m_xSize, // width
|
|
slice->m_ySize, // height
|
|
slice->m_zSize, // depth
|
|
0, // border
|
|
glDataFormat, // dataformat
|
|
glDataType, // datatype
|
|
noDataWrite ? NULL : sliceAddress ); // data (optionally suppressed in case ResetSRGB desires)
|
|
GLMCheckError();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
glPixelStorei( GL_UNPACK_CLIENT_STORAGE_APPLE, GL_FALSE );
|
|
GLMCheckError();
|
|
|
|
if ( expandTemp )
|
|
{
|
|
free( expandTemp );
|
|
}
|
|
}
|
|
|
|
|
|
void CGLMTex::Lock( GLMTexLockParams *params, char** addressOut, int* yStrideOut, int *zStrideOut )
|
|
{
|
|
// locate appropriate slice in layout record
|
|
int sliceIndex = CalcSliceIndex( params->m_face, params->m_mip );
|
|
|
|
GLMTexLayoutSlice *slice = &m_layout->m_slices[sliceIndex];
|
|
|
|
// obtain offset
|
|
int sliceBaseOffset = slice->m_storageOffset;
|
|
|
|
// cross check region req against slice bounds - figure out if it matches, exceeds, or is less than the whole slice.
|
|
char exceed = (params->m_region.xmin < 0) || (params->m_region.xmax > slice->m_xSize) ||
|
|
(params->m_region.ymin < 0) || (params->m_region.ymax > slice->m_ySize) ||
|
|
(params->m_region.zmin < 0) || (params->m_region.zmax > slice->m_zSize);
|
|
|
|
char partial = (params->m_region.xmin > 0) || (params->m_region.xmax < slice->m_xSize) ||
|
|
(params->m_region.ymin > 0) || (params->m_region.ymax < slice->m_ySize) ||
|
|
(params->m_region.zmin > 0) || (params->m_region.zmax < slice->m_zSize);
|
|
|
|
bool copyout = false; // set if a readback of the texture slice from GL is needed
|
|
|
|
if (exceed)
|
|
{
|
|
// illegal rect, out of bounds
|
|
GLMStop();
|
|
}
|
|
|
|
// on return, these things need to be true
|
|
|
|
// a - there needs to be storage allocated, which we will return an address within
|
|
// b - the region corresponding to the slice being locked, will have valid data there for the whole slice.
|
|
// c - the slice is marked as locked
|
|
// d - the params of the lock request have been saved in the lock table (in the context)
|
|
|
|
// so step 1 is unambiguous. If there's no backing storage, make some.
|
|
if (!m_backing)
|
|
{
|
|
m_backing = (char *)malloc( m_layout->m_storageTotalSize );
|
|
memset( m_backing, 0, m_layout->m_storageTotalSize );
|
|
|
|
// clear the kSliceStorageValid bit on all slices
|
|
for( int i=0; i<m_layout->m_sliceCount; i++)
|
|
{
|
|
m_sliceFlags[i] &= ~kSliceStorageValid;
|
|
}
|
|
}
|
|
|
|
// work on this slice now
|
|
|
|
// storage is known to exist at this point, but we need to check if its contents are valid for this slice.
|
|
// this is tracked per-slice so we don't hoist all the texels back out of GL across all slices if caller only
|
|
// wanted to lock some of them.
|
|
|
|
// (i.e. if we just alloced it, it's blank)
|
|
// if storage is invalid, but the texture itself is valid, hoist the texels back to the storage and mark it valid.
|
|
// if storage is invalid, and texture itself is also invalid, go ahead and mark storage as valid and fully dirty... to force teximage.
|
|
|
|
// ???????????? we need to go over this more carefully re "slice valid" (it has been teximaged) vs "storage valid" (it has been copied out).
|
|
|
|
unsigned char *sliceFlags = &m_sliceFlags[ sliceIndex ];
|
|
|
|
if (params->m_readback)
|
|
{
|
|
// caller is letting us know that it wants to readback the real texels.
|
|
*sliceFlags |= kSliceStorageValid;
|
|
*sliceFlags |= kSliceValid;
|
|
*sliceFlags &= ~(kSliceFullyDirty);
|
|
copyout = true;
|
|
}
|
|
else
|
|
{
|
|
// caller is pushing texels.
|
|
if (! (*sliceFlags & kSliceStorageValid) )
|
|
{
|
|
// storage is invalid. check texture state
|
|
if ( *sliceFlags & kSliceValid )
|
|
{
|
|
// kSliceValid set: the texture itself has a valid slice, but we don't have it in our backing copy, so copy it out.
|
|
copyout = true;
|
|
}
|
|
else
|
|
{
|
|
// kSliceValid not set: the texture does not have a valid slice to copy out - it hasn't been teximage'd yet.
|
|
// set the "full dirty" bit to make sure we teximage the whole thing on unlock.
|
|
*sliceFlags |= kSliceFullyDirty;
|
|
|
|
// assert if they did not ask to lock the full slice size on this go-round
|
|
if (partial)
|
|
{
|
|
// choice here -
|
|
// 1 - stop cold, we don't know how to subimage yet.
|
|
// 2 - grin and bear it, mark whole slice dirty (ah, we already did... so, do nothing).
|
|
// choice 2: // GLMStop();
|
|
}
|
|
}
|
|
|
|
// one way or another, upon reaching here the slice storage is valid for read.
|
|
*sliceFlags |= kSliceStorageValid;
|
|
}
|
|
}
|
|
|
|
|
|
// when we arrive here, there is storage, and the content of the storage for this slice is valid
|
|
// (or zeroes if it's the first lock)
|
|
|
|
// log the lock request in the context.
|
|
int newdesc = m_ctx->m_texLocks.AddToTail();
|
|
|
|
GLMTexLockDesc *desc = &m_ctx->m_texLocks[newdesc];
|
|
|
|
desc->m_req = *params;
|
|
desc->m_active = true;
|
|
desc->m_sliceIndex = sliceIndex;
|
|
desc->m_sliceBaseOffset = m_layout->m_slices[sliceIndex].m_storageOffset;
|
|
|
|
// to calculate the additional offset we need to look at the rect's min corner
|
|
// combined with the per-texel size and Y/Z stride
|
|
// also cross check it for 4x multiple if there is compression in play
|
|
|
|
int offsetInSlice = 0;
|
|
int yStride = 0;
|
|
int zStride = 0;
|
|
|
|
CalcTexelDataOffsetAndStrides( sliceIndex, params->m_region.xmin, params->m_region.ymin, params->m_region.zmin, &offsetInSlice, &yStride, &zStride );
|
|
|
|
// for compressed case...
|
|
// since there is presently no way to texsubimage a DXT when the rect does not cover the whole width,
|
|
// we will probably need to inflate the dirty rect in the recorded lock req so that the entire span is
|
|
// pushed across at unlock time.
|
|
|
|
desc->m_sliceRegionOffset = offsetInSlice + desc->m_sliceBaseOffset;
|
|
|
|
if (copyout)
|
|
{
|
|
// read the whole slice
|
|
// (odds are we'll never request anything but a whole slice to be read..)
|
|
ReadTexels( desc, true );
|
|
} // this would be a good place to fill with scrub value if in debug...
|
|
|
|
*addressOut = m_backing + desc->m_sliceRegionOffset;
|
|
*yStrideOut = yStride;
|
|
*zStrideOut = zStride;
|
|
|
|
m_lockCount++;
|
|
}
|
|
|
|
void CGLMTex::Unlock( GLMTexLockParams *params )
|
|
{
|
|
// look for an active lock request on this face and mip (doesn't necessarily matter which one, if more than one)
|
|
// and mark it inactive.
|
|
// --> if you can't find one, fail. first line of defense against mismatched locks/unlocks..
|
|
|
|
int i=0;
|
|
bool found = false;
|
|
while( !found && (i<m_ctx->m_texLocks.Count()) )
|
|
{
|
|
GLMTexLockDesc *desc = &m_ctx->m_texLocks[i];
|
|
|
|
// is lock at index 'i' targeted at the texture/face/mip in question?
|
|
if ( (desc->m_req.m_tex == this) && (desc->m_req.m_face == params->m_face) & (desc->m_req.m_mip == params->m_mip) && (desc->m_active) )
|
|
{
|
|
// matched and active, so retire it
|
|
desc->m_active = false;
|
|
|
|
// stop searching
|
|
found = true;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
GLMStop(); // bad news
|
|
}
|
|
|
|
// found - so drop lock count
|
|
m_lockCount--;
|
|
|
|
if (m_lockCount <0)
|
|
{
|
|
GLMStop(); // bad news
|
|
}
|
|
|
|
if (m_lockCount==0)
|
|
{
|
|
// there should not be any active locks remaining on this texture.
|
|
|
|
// motivation to defer all texel pushing til *all* open locks are closed out -
|
|
// if/when we back the texture with a PBO, we will need to unmap that PBO before teximaging from it;
|
|
// by waiting for all the locks to clear this gives us an unambiguous signal to act on.
|
|
|
|
// scan through all the retired locks for this texture and push the texels for each one.
|
|
// after each one is dispatched, remove it from the pile.
|
|
|
|
int j=0;
|
|
while( j<m_ctx->m_texLocks.Count() )
|
|
{
|
|
GLMTexLockDesc *desc = &m_ctx->m_texLocks[j];
|
|
|
|
if ( desc->m_req.m_tex == this )
|
|
{
|
|
// if it's active, something is wrong
|
|
if (desc->m_active)
|
|
{
|
|
GLMStop();
|
|
}
|
|
|
|
// write the texels
|
|
bool fullyDirty = false;
|
|
|
|
fullyDirty |= ((m_sliceFlags[ desc->m_sliceIndex ] & kSliceFullyDirty) != 0);
|
|
|
|
// this is not optimal and will result in full downloads on any dirty.
|
|
// we're papering over the fact that subimage isn't done yet.
|
|
// but this is safe if the slice of storage is all valid.
|
|
|
|
// at some point we'll need to actually compare the lock box against the slice bounds.
|
|
|
|
// fullyDirty |= (m_sliceFlags[ desc->m_sliceIndex ] & kSliceStorageValid);
|
|
|
|
WriteTexels( desc, fullyDirty );
|
|
|
|
// logical place to trigger preloading
|
|
// only do it for an RT tex, if it is not yet attached to any FBO.
|
|
// also, only do it if the slice number is the last slice in the tex.
|
|
if ( desc->m_sliceIndex == (m_layout->m_sliceCount-1) )
|
|
{
|
|
if ( !(m_layout->m_key.m_texFlags & kGLMTexRenderable) || (m_rtAttachCount==0) )
|
|
{
|
|
m_ctx->PreloadTex( this );
|
|
// printf("( slice %d of %d )", desc->m_sliceIndex, m_layout->m_sliceCount );
|
|
}
|
|
}
|
|
|
|
m_ctx->m_texLocks.FastRemove( j ); // remove from the pile, don't advance index
|
|
}
|
|
else
|
|
{
|
|
j++; // move on to next one
|
|
}
|
|
}
|
|
|
|
// clear the locked and full-dirty flags for all slices
|
|
for( int slice=0; slice < m_layout->m_sliceCount; slice++)
|
|
{
|
|
m_sliceFlags[slice] &= ~( kSliceLocked | kSliceFullyDirty );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void CGLMTex::ResetSRGB( bool srgb, bool noDataWrite )
|
|
{
|
|
// see if requested SRGB state differs from the known one
|
|
bool wasSRGB = (m_layout->m_key.m_texFlags & kGLMTexSRGB);
|
|
GLMTexLayout *oldLayout = m_layout; // need to m_ctx->m_texLayoutTable->DelLayoutRef on this one if we flip
|
|
|
|
if (srgb != wasSRGB)
|
|
{
|
|
// we're going to need a new layout (though the storage size should be the same - check it)
|
|
GLMTexLayoutKey newKey = m_layout->m_key;
|
|
|
|
newKey.m_texFlags &= (~kGLMTexSRGB); // turn off that bit
|
|
newKey.m_texFlags |= srgb ? kGLMTexSRGB : 0; // turn on that bit if it should be so
|
|
|
|
// get new layout
|
|
GLMTexLayout *newLayout = m_ctx->m_texLayoutTable->NewLayoutRef( &newKey );
|
|
|
|
|
|
// if SRGB requested, verify that the layout we just got can do it.
|
|
// if it can't, delete the new layout ref and bail.
|
|
if (srgb && (newLayout->m_format->m_glIntFormatSRGB == 0))
|
|
{
|
|
Assert( !"Can't enable SRGB mode on this format" );
|
|
m_ctx->m_texLayoutTable->DelLayoutRef( newLayout );
|
|
return;
|
|
}
|
|
|
|
// check sizes and fail if no match
|
|
if( newLayout->m_storageTotalSize != oldLayout->m_storageTotalSize )
|
|
{
|
|
Assert( !"Bug: layout sizes don't match on SRGB change" );
|
|
m_ctx->m_texLayoutTable->DelLayoutRef( newLayout );
|
|
return;
|
|
}
|
|
|
|
// commit to new layout
|
|
m_layout = newLayout;
|
|
|
|
// check same size
|
|
Assert( m_layout->m_storageTotalSize == oldLayout->m_storageTotalSize );
|
|
|
|
// release old
|
|
m_ctx->m_texLayoutTable->DelLayoutRef( oldLayout );
|
|
oldLayout = NULL;
|
|
|
|
// force texel re-DL
|
|
|
|
// note this messes with TMU 0 as side effect of WriteTexels
|
|
// so we save and restore the TMU 0 binding first
|
|
|
|
// since we're likely to be called in dxabstract when it is syncing sampler state, we can't go trampling the bindings.
|
|
// a refinement would be to have each texture make a note of which TMU they're bound on, and just use that active TMU for DL instead of 0.
|
|
CGLMTex *tmu0save = m_ctx->m_samplers[0].m_drawTex;
|
|
|
|
for( int face=0; face <m_layout->m_faceCount; face++)
|
|
{
|
|
for( int mip=0; mip <m_layout->m_mipCount; mip++)
|
|
{
|
|
// we're not really going to lock, we're just going to rewrite the orig data
|
|
GLMTexLockDesc desc;
|
|
|
|
desc.m_req.m_tex = this;
|
|
desc.m_req.m_face = face;
|
|
desc.m_req.m_mip = mip;
|
|
|
|
desc.m_sliceIndex = CalcSliceIndex( face, mip );
|
|
|
|
GLMTexLayoutSlice *slice = &m_layout->m_slices[ desc.m_sliceIndex ];
|
|
|
|
desc.m_req.m_region.xmin = desc.m_req.m_region.ymin = desc.m_req.m_region.zmin = 0;
|
|
desc.m_req.m_region.xmax = slice->m_xSize;
|
|
desc.m_req.m_region.ymax = slice->m_ySize;
|
|
desc.m_req.m_region.zmax = slice->m_zSize;
|
|
|
|
desc.m_sliceBaseOffset = slice->m_storageOffset; // doesn't really matter... we're just pushing zeroes..
|
|
desc.m_sliceRegionOffset = 0;
|
|
|
|
this->WriteTexels( &desc, true, noDataWrite ); // write whole slice. and avoid pushing real bits if the caller requests (RT's)
|
|
}
|
|
}
|
|
|
|
// put it back
|
|
m_ctx->BindTexToTMU( tmu0save, 0, true );
|
|
}
|
|
}
|