diff options
Diffstat (limited to 'src/mesa/drivers/dri/savage/savagetex.c')
| -rw-r--r-- | src/mesa/drivers/dri/savage/savagetex.c | 2022 |
1 files changed, 2022 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/savage/savagetex.c b/src/mesa/drivers/dri/savage/savagetex.c new file mode 100644 index 0000000000..94a4b23aec --- /dev/null +++ b/src/mesa/drivers/dri/savage/savagetex.c @@ -0,0 +1,2022 @@ +/* + * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + + +#include <stdlib.h> +#include <stdio.h> + +#include <GL/gl.h> + +#include "mm.h" +#include "savagecontext.h" +#include "savagetex.h" +#include "savagetris.h" +#include "savageioctl.h" +#include "simple_list.h" +#include "enums.h" +#include "savage_bci.h" + +#include "macros.h" +#include "texformat.h" +#include "texstore.h" +#include "texobj.h" + +#include "swrast/swrast.h" + +/* declarations of static and inline functions */ +__inline GLuint GetTiledCoordinates8(GLuint iBufferWidth, GLint x, GLint y); +static GLuint GetTiledCoordinates16_4( GLint iBufferWidth,GLint x,GLint y ); +static GLuint GetTiledCoordinates16_8( GLint iBufferWidth,GLint x,GLint y ); +static GLuint GetTiledCoordinates32_4( GLint iBufferWidth, GLint x, GLint y ); +static GLuint GetTiledCoordinates32_8( GLint iBufferWidth, GLint x, GLint y ); +__inline GLuint GetTiledCoordinates( GLint iDepth,GLint iBufferWidth,GLint x,GLint y ); +__inline void savageUploadImage(savageTextureObjectPtr t, GLuint level, GLuint startx, GLuint starty, GLuint reloc); +__inline void savageTileTex(savageTextureObjectPtr tex, GLuint level); + +/* tile sizes depending on texel color depth */ +GLuint gTileWidth[5] = +{ + 64, /* 4-bit */ + 64, /* 8-bit */ + 64, /* 16-bit */ + 0, /* 24-bit */ + 32 /* 32-bit */ +}; + +GLuint gTileHeight[5] = +{ + 64, /* 4-bit */ + 32, /* 8-bit */ + 16, /* 16-bit */ + 0, /* 24-bit */ + 16 /* 32-bit */ +}; + +__inline GLuint GetTiledCoordinates8(GLuint iBufferWidth, GLint x, GLint y) +{ + GLint x10, x106, x52; + GLint y20, y105, y43; + GLuint uWidthInTiles; + + uWidthInTiles = (iBufferWidth + 63) >> 6; + x10 = x & 0x3; + x52 = (x & 0x3c) >> 2; + x106 = (x & 0x7c0) >> 6; + + y20 = y & 0x7; + y43 = (y & 0x18) >> 3; + y105 = (y & 0x7e0) >> 5; + + return ( x10 | + (y20 << 2) | + (x52 << 5) | + (y43 << 9) | + ((y105 * uWidthInTiles) + x106) << 11 ); +} + +/* 4-pixel wide subtiles */ +static GLuint GetTiledCoordinates16_4( GLint iBufferWidth, + GLint x, + GLint y ) +{ + GLint x106; + GLint x10; + GLint x52; + GLint y104; + GLint y20; + GLint y3; + GLuint uiWidthInTiles; + + /* + // calculating tiled address + */ + + uiWidthInTiles = (iBufferWidth + 63) >> 6; + + x10 = x & 0x3; + x52 = (x & 0x3c ) >> 2; + x106 = (x & 0x7c0) >> 6; + + y20 = y & 0x7; + y3 = (y & 8 ) >> 3; + y104 = (y & 0x7f0) >> 4; + + return( (x10 << 1) | + (y20 << 3) | + (x52 << 6) | + (y3 << 10) | + ((y104 * uiWidthInTiles) + x106) << 11 ); +} +/* 8-pixel wide subtiles */ +static GLuint GetTiledCoordinates16_8( GLint iBufferWidth, + GLint x, + GLint y ) +{ + GLint x106; + GLint x20; + GLint x53; + GLint y104; + GLint y20; + GLint y3; + GLuint uiWidthInTiles; + + /* + // calculating tiled address + */ + + uiWidthInTiles = (iBufferWidth + 63) >> 6; + + x20 = x & 0x7; + x53 = (x & 0x38 ) >> 3; + x106 = (x & 0x7c0) >> 6; + + y20 = y & 0x7; + y3 = (y & 8 ) >> 3; + y104 = (y & 0x7f0) >> 4; + + return( (x20 << 1) | + (y20 << 4) | + (x53 << 7) | + (y3 << 10) | + ((y104 * uiWidthInTiles) + x106) << 11 ); +} +/* function pointer set to the correct version in savageDDInitTextureFuncs */ +GLuint (*GetTiledCoordinates16) (GLint, GLint, GLint); + +/* 4-pixel wide subtiles */ +static GLuint GetTiledCoordinates32_4( GLint iBufferWidth, + GLint x, + GLint y ) +{ + GLint x10; + GLint y20; + GLuint uiWidthInTiles; + GLint x42; + GLint x105; + GLint y3; + GLint y104; + + /* + // calculating tiled address + */ + + uiWidthInTiles = (iBufferWidth + 31) >> 5; + + x10 = x & 0x3; + x42 = (x & 0x1c ) >> 2; + x105 = (x & 0x7e0) >> 5; + + y20 = y & 0x7; + y3 = (y & 8 ) >> 3; + y104 = (y & 0x7f0) >> 4; + + return( (x10 << 2) | + (y20 << 4) | + (x42 << 7) | + (y3 << 10) | + ((y104 * uiWidthInTiles) + x105) << 11 ); +} +/* 8-pixel wide subtiles */ +static GLuint GetTiledCoordinates32_8( GLint iBufferWidth, + GLint x, + GLint y ) +{ + GLint x20; + GLint y20; + GLuint uiWidthInTiles; + GLint x43; + GLint x105; + GLint y3; + GLint y104; + + /* + // calculating tiled address + */ + + uiWidthInTiles = (iBufferWidth + 31) >> 5; + + x20 = x & 0x7; + x43 = (x & 0x18 ) >> 3; + x105 = (x & 0x7e0) >> 5; + + y20 = y & 0x7; + y3 = (y & 8 ) >> 3; + y104 = (y & 0x7f0) >> 4; + + return( (x20 << 2) | + (y20 << 5) | + (x43 << 8) | + (y3 << 10) | + ((y104 * uiWidthInTiles) + x105) << 11 ); +} +/* function pointer set to the correct version in savageDDInitTextureFuncs */ +GLuint (*GetTiledCoordinates32) (GLint, GLint, GLint); + +__inline GLuint GetTiledCoordinates( GLint iDepth, + GLint iBufferWidth, + GLint x, + GLint y ) +{ + /* + // don't check for 4 since we only have 3 types of fb + */ + + if (iDepth == 16) + { + return( GetTiledCoordinates16( iBufferWidth, x, y ) ); + } + else if (iDepth == 32) + { + return( GetTiledCoordinates32( iBufferWidth, x, y ) ); + } + else + { + return( GetTiledCoordinates8( iBufferWidth, x, y ) ); + } +} + +__inline void savageUploadImage(savageTextureObjectPtr t, GLuint level, GLuint startx, GLuint starty, GLuint reloc) +{ + GLuint uMaxTileWidth = gTileWidth[t->texelBytes]; + GLuint x, y, w, row, col; + const struct gl_texture_image *image = t->image[level].image; + GLubyte * dst, * src, * pBuffer; + GLint xAdd, yAdd; + GLuint uRowSeparator, uChunk = MIN_TILE_CHUNK, uWrap; + + + pBuffer = (GLubyte *)(t->BufAddr + t->image[level].offset); + src = (GLubyte *)image->Data; + x = startx; + y = starty; + w = image->Width; + + if(image->Format == GL_COLOR_INDEX) + { + if(w < MIN_TILE_CHUNK) + { + w = MIN_TILE_CHUNK; + } + else + { + if((w > 64 ) && (image->Height <= 16)) + { + reloc = GL_TRUE; + if(image->Height == 16) + { + uChunk = MIN_TILE_CHUNK << 1; + } + } + } + + if(!reloc & (w > (64 / 2))) + { + for(row = 0; row < image->Height; row++) + { + for(col = 0; col < image->Width; col++) + { + dst = pBuffer + GetTiledCoordinates(t->texelBytes << 3, w, x + col, y + row); + memcpy (dst, src, t->texelBytes); + src += t->texelBytes; + } + } + } + else + { + if(reloc & (w > 64)) + { + uWrap = ((w + 63) >> 6) - 1; + for(row = 0; row < image->Height; row++) + { + for(col = 0; col < image->Width; col++) + { + xAdd = (col / (4 * 64)) * 64 + col % 64; + yAdd = row + ((col / 64) & 3) * uChunk; + dst = pBuffer + GetTiledCoordinates(t->texelBytes << 3, 64, x + xAdd, y + yAdd); + memcpy (dst, src, t->texelBytes); + src += t->texelBytes; + } + } + } + else + { + uRowSeparator = 64 * MIN_TILE_CHUNK / w; + for(row = 0; row < image->Height; row++) + { + xAdd = (w * (row / MIN_TILE_CHUNK)) % 64; + yAdd = row % MIN_TILE_CHUNK + MIN_TILE_CHUNK * (row / uRowSeparator); + for(col = 0; col < image->Width; col++) + { + dst = pBuffer + GetTiledCoordinates(t->texelBytes << 3, w, x + xAdd, y + yAdd); + memcpy (dst, src, t->texelBytes); + src += t->texelBytes; + } + } + } + } + } + else + { + if(w < MIN_TILE_CHUNK) + { + w = MIN_TILE_CHUNK; + } + else + { + if((w > uMaxTileWidth ) && (image->Height <= 8)) + { + reloc = GL_TRUE; + } + } + if(!reloc & (w > uMaxTileWidth / 2)) + { + for(row = 0; row < image->Height; row++) + { + for(col = 0; col < image->Width; col++) + { + dst = pBuffer + GetTiledCoordinates(t->texelBytes << 3, w, x + col, y + row); + memcpy (dst, src, t->texelBytes); + src += t->texelBytes; + } + } + } + else + { + if(reloc & (w > uMaxTileWidth)) + { + for(row = 0; row < image->Height; row++) + { + for(col = 0; col < image->Width; col++) + { + xAdd = (col / (2 * uMaxTileWidth)) * uMaxTileWidth + col % uMaxTileWidth; + yAdd = row + ((col / uMaxTileWidth) & 1) * MIN_TILE_CHUNK; + dst = pBuffer + GetTiledCoordinates(t->texelBytes << 3, w, x + xAdd, y + yAdd); + memcpy (dst, src, t->texelBytes); + src += t->texelBytes; + } + } + } + else + { + uRowSeparator = uMaxTileWidth * MIN_TILE_CHUNK / w; + for(row = 0; row < image->Height; row++) + { + yAdd = row % MIN_TILE_CHUNK + MIN_TILE_CHUNK * (row / uRowSeparator); + xAdd = (w * (row / MIN_TILE_CHUNK)) % uMaxTileWidth; + for(col = 0; col < image->Width; col++) + { + dst = pBuffer + GetTiledCoordinates(t->texelBytes << 3, w, x + col + xAdd, y + yAdd); + memcpy (dst, src, t->texelBytes); + src += t->texelBytes; + } + } + } + } + } +} + + + +__inline void savageTileTex(savageTextureObjectPtr tex, GLuint level) +{ + GLuint uWidth, uHeight; + GLint xOffset, yOffset; + GLint xStart=0, yStart=0; + GLint minSize; + GLuint xRepeat, yRepeat; + GLuint startCol, startRow; + GLuint reloc; + + const struct gl_texture_image *image = tex->image[level].image; + + reloc = GL_FALSE; + uWidth = image->Width2; + uHeight = image->Height2; + + if((uWidth > 4) || (uHeight > 4)) + minSize = MIN_TILE_CHUNK; + else + minSize = MIPMAP_CHUNK; + + if(image->Width >= minSize) + xRepeat = 1; + else + xRepeat = minSize / image->Width; + + if(image->Height >= minSize) + yRepeat = 1; + else + { + yRepeat = minSize / image->Height; + if(minSize == MIN_TILE_CHUNK) + reloc = GL_TRUE; + } + + if(((uWidth < 4) && (uHeight < 4)) && (tex->texelBytes >= 2)) + { + if((uWidth == 2) || (uHeight == 2)) + { + xStart = 4; + yStart = 0; + } + + else + { + xStart = 4; + yStart = 4; + } + } + for(xOffset = 0; xOffset < xRepeat; xOffset++) + { + for(yOffset = 0; yOffset < yRepeat; yOffset++) + { + startCol = image->Width * xOffset + xStart; + startRow = image->Height * yOffset + yStart; + savageUploadImage(tex,level, startCol, startRow, reloc); + } + } +} + +static void savageSetTexWrapping(savageTextureObjectPtr tex, GLenum s, GLenum t) +{ + tex->texParams.sWrapMode = s; + tex->texParams.tWrapMode = t; +} + +static void savageSetTexFilter(savageTextureObjectPtr t, + GLenum minf, GLenum magf) +{ + t->texParams.minFilter = minf; + t->texParams.magFilter = magf; +} + + +/* Need a fallback ? + */ +static void savageSetTexBorderColor(savageTextureObjectPtr t, GLubyte color[4]) +{ +/* t->Setup[SAVAGE_TEXREG_TEXBORDERCOL] = */ + t->texParams.boarderColor = SAVAGEPACKCOLOR8888(color[0],color[1],color[2],color[3]); +} + + + +static savageTextureObjectPtr +savageAllocTexObj( struct gl_texture_object *texObj ) +{ + savageTextureObjectPtr t; + + t = (savageTextureObjectPtr) calloc(1,sizeof(*t)); + texObj->DriverData = t; + if ( t != NULL ) { + + /* Initialize non-image-dependent parts of the state: + */ + t->globj = texObj; + + /* FIXME Something here to set initial values for other parts of + * FIXME t->setup? + */ + + make_empty_list( t ); + + savageSetTexWrapping(t,texObj->WrapS,texObj->WrapT); + savageSetTexFilter(t,texObj->MinFilter,texObj->MagFilter); + savageSetTexBorderColor(t,texObj->_BorderChan); + } + + return t; +} + +/* Called by the _mesa_store_teximage[123]d() functions. */ +static const struct gl_texture_format * +savageChooseTextureFormat( GLcontext *ctx, GLint internalFormat, + GLenum format, GLenum type ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT(ctx); + const GLboolean do32bpt = GL_FALSE; + const GLboolean force16bpt = GL_FALSE; + const GLboolean isSavage4 = (imesa->savageScreen->chipset >= S3_SAVAGE4); + (void) format; + (void) type; + + switch ( internalFormat ) { + case 4: + case GL_RGBA: + case GL_COMPRESSED_RGBA: + switch ( type ) { + case GL_UNSIGNED_INT_10_10_10_2: + case GL_UNSIGNED_INT_2_10_10_10_REV: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555; + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + return &_mesa_texformat_argb4444; + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + return &_mesa_texformat_argb1555; + default: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + } + + case 3: + case GL_RGB: + case GL_COMPRESSED_RGB: + switch ( type ) { + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + return &_mesa_texformat_argb4444; + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + return &_mesa_texformat_argb1555; + case GL_UNSIGNED_SHORT_5_6_5: + case GL_UNSIGNED_SHORT_5_6_5_REV: + return &_mesa_texformat_rgb565; + default: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565; + } + + case GL_RGBA8: + case GL_RGBA12: + case GL_RGBA16: + return !force16bpt ? + &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + + case GL_RGB10_A2: + return !force16bpt ? + &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555; + + case GL_RGBA4: + case GL_RGBA2: + return &_mesa_texformat_argb4444; + + case GL_RGB5_A1: + return &_mesa_texformat_argb1555; + + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565; + + case GL_RGB5: + case GL_RGB4: + case GL_R3_G3_B2: + return &_mesa_texformat_rgb565; + + case GL_ALPHA: + case GL_COMPRESSED_ALPHA: + return isSavage4 ? &_mesa_texformat_a8 : ( + do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444); + case GL_ALPHA4: + return isSavage4 ? &_mesa_texformat_a8 : &_mesa_texformat_argb4444; + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + return isSavage4 ? &_mesa_texformat_a8 : ( + !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444); + + case 1: + case GL_LUMINANCE: + case GL_COMPRESSED_LUMINANCE: + /* no alpha, but use argb1555 in 16bit case to get pure grey values */ + return isSavage4 ? &_mesa_texformat_l8 : ( + do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555); + case GL_LUMINANCE4: + return isSavage4 ? &_mesa_texformat_l8 : &_mesa_texformat_argb1555; + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + return isSavage4 ? &_mesa_texformat_l8 : ( + !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb1555); + + case 2: + case GL_LUMINANCE_ALPHA: + case GL_COMPRESSED_LUMINANCE_ALPHA: + /* Savage4 has a al44 texture format. But it's not supported by Mesa. */ + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + return &_mesa_texformat_argb4444; + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + return !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + + case GL_INTENSITY: + case GL_COMPRESSED_INTENSITY: + return isSavage4 ? &_mesa_texformat_i8 : ( + do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444); + case GL_INTENSITY4: + return isSavage4 ? &_mesa_texformat_i8 : &_mesa_texformat_argb4444; + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + return isSavage4 ? &_mesa_texformat_i8 : ( + !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444); +/* + case GL_COLOR_INDEX: + case GL_COLOR_INDEX1_EXT: + case GL_COLOR_INDEX2_EXT: + case GL_COLOR_INDEX4_EXT: + case GL_COLOR_INDEX8_EXT: + case GL_COLOR_INDEX12_EXT: + case GL_COLOR_INDEX16_EXT: + return &_mesa_texformat_ci8; +*/ + default: + _mesa_problem(ctx, "unexpected texture format in %s", __FUNCTION__); + return NULL; + } +} + +static void savageSetTexImages( savageContextPtr imesa, + const struct gl_texture_object *tObj ) +{ + savageTextureObjectPtr t = (savageTextureObjectPtr) tObj->DriverData; + struct gl_texture_image *image = tObj->Image[0][tObj->BaseLevel]; + GLuint offset, width, pitch, i, textureFormat, log_pitch; + + assert(t); + assert(image); + + switch (image->TexFormat->MesaFormat) { + case MESA_FORMAT_ARGB8888: + textureFormat = TFT_ARGB8888; + t->texelBytes = 4; + break; + case MESA_FORMAT_ARGB1555: + textureFormat = TFT_ARGB1555; + t->texelBytes = 2; + break; + case MESA_FORMAT_ARGB4444: + textureFormat = TFT_ARGB4444; + t->texelBytes = 2; + break; + case MESA_FORMAT_RGB565: + textureFormat = TFT_RGB565; + t->texelBytes = 2; + break; + case MESA_FORMAT_L8: + textureFormat = TFT_L8; + t->texelBytes = 1; + break; + case MESA_FORMAT_I8: + textureFormat = TFT_I8; + t->texelBytes = 1; + break; + case MESA_FORMAT_A8: + textureFormat = TFT_A8; + t->texelBytes = 1; + break; + default: + _mesa_problem(imesa->glCtx, "Bad texture format in %s", __FUNCTION__); + } + + /* Figure out the size now (and count the levels). Upload won't be done + * until later. + */ + width = image->Width * t->texelBytes; + for (pitch = 2, log_pitch=1 ; pitch < width ; pitch *= 2 ) + log_pitch++; + + t->dirty_images = 0; + t->bound = 0; + + offset = 0; + for ( i = 0 ; i < SAVAGE_TEX_MAXLEVELS && tObj->Image[0][i] ; i++ ) { + t->image[i].image = tObj->Image[0][i]; + t->image[i].offset = offset; + t->image[i].internalFormat = textureFormat; + t->dirty_images |= (1<<i); + offset += t->image[i].image->Height * pitch; + pitch = pitch >> 1; + } + + t->totalSize = offset; + t->max_level = i-1; + t->min_level = 0; +} + +void savageDestroyTexObj(savageContextPtr imesa, savageTextureObjectPtr t) +{ + if (!t) return; + + /* This is sad - need to sync *in case* we upload a texture + * to this newly free memory... + */ + if (t->MemBlock) { + mmFreeMem(t->MemBlock); + t->MemBlock = 0; + + if (t->age > imesa->dirtyAge) + imesa->dirtyAge = t->age; + } + + if (t->globj) + t->globj->DriverData = 0; + + if (t->bound) + imesa->CurrentTexObj[t->bound - 1] = 0; + + remove_from_list(t); + free(t); +} + + +static void savageSwapOutTexObj(savageContextPtr imesa, savageTextureObjectPtr t) +{ + if (t->MemBlock) { + mmFreeMem(t->MemBlock); + t->MemBlock = 0; + + if (t->age > imesa->dirtyAge) + imesa->dirtyAge = t->age; + } + + t->dirty_images = ~0; + move_to_tail(&(imesa->SwappedOut), t); +} + + + +/* Upload an image from mesa's internal copy. + */ +static void savageUploadTexLevel( savageTextureObjectPtr t, int level ) +{ + const struct gl_texture_image *image = t->image[level].image; + + + /* Need triangle (rather than pixel) fallbacks to simulate this using + * normal textured triangles. + * + * DO THIS IN DRIVER STATE MANAGMENT, not hardware state. + * + */ + + if(image->Border != 0) + fprintf (stderr, "Not supported texture border %d.\n", + (int) image->Border); + + savageTileTex(t, level); +} + + + +void savagePrintLocalLRU( savageContextPtr imesa , GLuint heap) +{ + savageTextureObjectPtr t; + int sz = 1 << (imesa->savageScreen->logTextureGranularity[heap]); + + foreach( t, &imesa->TexObjList[heap] ) { + if (!t->globj) + fprintf(stderr, "Placeholder %d at %x sz %x\n", + t->MemBlock->ofs / sz, + t->MemBlock->ofs, + t->MemBlock->size); + else + fprintf(stderr, "Texture (bound %d) at %x sz %x\n", + t->bound, + t->MemBlock->ofs, + t->MemBlock->size); + + } +} + +void savagePrintGlobalLRU( savageContextPtr imesa , GLuint heap) +{ + int i, j; + + drm_savage_tex_region_t *list = imesa->sarea->texList[heap]; + + + for (i = 0, j = SAVAGE_NR_TEX_REGIONS ; i < SAVAGE_NR_TEX_REGIONS ; i++) { + fprintf(stderr, "list[%d] age %d next %d prev %d\n", + j, list[j].age, list[j].next, list[j].prev); + j = list[j].next; + if (j == SAVAGE_NR_TEX_REGIONS) break; + } + + if (j != SAVAGE_NR_TEX_REGIONS) + fprintf(stderr, "Loop detected in global LRU\n"); + for (i = 0 ; i < SAVAGE_NR_TEX_REGIONS ; i++) + { + fprintf(stderr,"list[%d] age %d next %d prev %d\n", + i, list[i].age, list[i].next, list[i].prev); + } +} + + +void savageResetGlobalLRU( savageContextPtr imesa, GLuint heap ) +{ + drm_savage_tex_region_t *list = imesa->sarea->texList[heap]; + int sz = 1 << imesa->savageScreen->logTextureGranularity[heap]; + int i; + + /* (Re)initialize the global circular LRU list. The last element + * in the array (SAVAGE_NR_TEX_REGIONS) is the sentinal. Keeping it + * at the end of the array allows it to be addressed rationally + * when looking up objects at a particular location in texture + * memory. + */ + for (i = 0 ; (i+1) * sz <= imesa->savageScreen->textureSize[heap]; i++) { + list[i].prev = i-1; + list[i].next = i+1; + list[i].age = 0; + } + + i--; + list[0].prev = SAVAGE_NR_TEX_REGIONS; + list[i].prev = i-1; + list[i].next = SAVAGE_NR_TEX_REGIONS; + list[SAVAGE_NR_TEX_REGIONS].prev = i; + list[SAVAGE_NR_TEX_REGIONS].next = 0; + imesa->sarea->texAge[heap] = 0; +} + + +static void savageUpdateTexLRU( savageContextPtr imesa, savageTextureObjectPtr t ) +{ + int i; + int heap = t->heap; + int logsz = imesa->savageScreen->logTextureGranularity[heap]; + int start = t->MemBlock->ofs >> logsz; + int end = (t->MemBlock->ofs + t->MemBlock->size - 1) >> logsz; + drm_savage_tex_region_t *list = imesa->sarea->texList[heap]; + + imesa->texAge[heap] = ++imesa->sarea->texAge[heap]; + + /* Update our local LRU + */ + move_to_head( &(imesa->TexObjList[heap]), t ); + + /* Update the global LRU + */ + for (i = start ; i <= end ; i++) { + + list[i].in_use = 1; + list[i].age = imesa->texAge[heap]; + + /* remove_from_list(i) + */ + list[(unsigned)list[i].next].prev = list[i].prev; + list[(unsigned)list[i].prev].next = list[i].next; + + /* insert_at_head(list, i) + */ + list[i].prev = SAVAGE_NR_TEX_REGIONS; + list[i].next = list[SAVAGE_NR_TEX_REGIONS].next; + list[(unsigned)list[SAVAGE_NR_TEX_REGIONS].next].prev = i; + list[SAVAGE_NR_TEX_REGIONS].next = i; + } +} + + +/* Called for every shared texture region which has increased in age + * since we last held the lock. + * + * Figures out which of our textures have been ejected by other clients, + * and pushes a placeholder texture onto the LRU list to represent + * the other client's textures. + */ +void savageTexturesGone( savageContextPtr imesa, + GLuint heap, + GLuint offset, + GLuint size, + GLuint in_use ) +{ + savageTextureObjectPtr t, tmp; + + foreach_s ( t, tmp, &imesa->TexObjList[heap] ) { + + if (t->MemBlock->ofs >= offset + size || + t->MemBlock->ofs + t->MemBlock->size <= offset) + continue; + + /* It overlaps - kick it off. Need to hold onto the currently bound + * objects, however. + */ + if (t->bound) + savageSwapOutTexObj( imesa, t ); + else + savageDestroyTexObj( imesa, t ); + } + + + if (in_use) { + t = (savageTextureObjectPtr) calloc(1,sizeof(*t)); + if (!t) return; + + t->heap = heap; + t->MemBlock = mmAllocMem( imesa->texHeap[heap], size, 0, offset); + if(!t->MemBlock) + { + free(t); + return; + } + insert_at_head( &imesa->TexObjList[heap], t ); + } +} + + + + + +/* This is called with the lock held. May have to eject our own and/or + * other client's texture objects to make room for the upload. + */ +int savageUploadTexImages( savageContextPtr imesa, savageTextureObjectPtr t ) +{ + int heap; + int i; + int ofs; + + heap = t->heap = SAVAGE_CARD_HEAP; + + /* Do we need to eject LRU texture objects? + */ + if (!t->MemBlock) { + while (1) + { + t->MemBlock = mmAllocMem( imesa->texHeap[heap], t->totalSize, 12, 0 ); + if (t->MemBlock) + break; + else + { + heap = t->heap = SAVAGE_AGP_HEAP; + t->MemBlock = mmAllocMem( imesa->texHeap[heap], t->totalSize, 12, 0 ); + + if (t->MemBlock) + break; + } + + if (imesa->TexObjList[heap].prev->bound) { + fprintf(stderr, "Hit bound texture in upload\n"); + savagePrintLocalLRU( imesa,heap ); + return -1; + } + + if (imesa->TexObjList[heap].prev == &(imesa->TexObjList[heap])) { + fprintf(stderr, "Failed to upload texture, sz %d\n", t->totalSize); + mmDumpMemInfo( imesa->texHeap[heap] ); + return -1; + } + + savageDestroyTexObj( imesa, imesa->TexObjList[heap].prev ); + } + + ofs = t->MemBlock->ofs; + t->texParams.hwPhysAddress = imesa->savageScreen->textureOffset[heap] + ofs; + t->BufAddr = (char *)((GLuint) imesa->savageScreen->texVirtual[heap] + ofs); + imesa->dirty |= SAVAGE_UPLOAD_CTX; + } + + /* Let the world know we've used this memory recently. + */ + savageUpdateTexLRU( imesa, t ); + + if (t->dirty_images) { + if (SAVAGE_DEBUG & DEBUG_VERBOSE_LRU) + fprintf(stderr, "*"); + + for (i = t->min_level ; i <= t->max_level ; i++) + if (t->dirty_images & (1<<i)) + savageUploadTexLevel( t, i ); + } + + + t->dirty_images = 0; + return 0; +} + +static void savageTexSetUnit( savageTextureObjectPtr t, GLuint unit ) +{ + if (t->current_unit == unit) return; + + t->current_unit = unit; +} + + + + +static void savageUpdateTex0State_s4( GLcontext *ctx ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT(ctx); + struct gl_texture_object *tObj; + savageTextureObjectPtr t; + GLuint format; + Reg_TexCtrl TexCtrl; + Reg_TexBlendCtrl TexBlendCtrl; + Reg_TexDescr TexDescr; + + /* disable */ + + if (ctx->Texture.Unit[0]._ReallyEnabled == 0) { + imesa->Registers.TexDescr.s4.tex0En = GL_FALSE; + imesa->Registers.TexBlendCtrl[0].ui = TBC_NoTexMap; + imesa->Registers.TexCtrl[0].ui = 0x20f040; + imesa->Registers.TexAddr[0].ui = 0; + imesa->Registers.changed.ni.fTex0BlendCtrlChanged = GL_TRUE; + imesa->Registers.changed.ni.fTex0AddrChanged = GL_TRUE; + imesa->Registers.changed.ni.fTexDescrChanged = GL_TRUE; + imesa->Registers.changed.ni.fTex0CtrlChanged = GL_TRUE; + return; + } + + tObj = ctx->Texture.Unit[0]._Current; + if (ctx->Texture.Unit[0]._ReallyEnabled != TEXTURE_2D_BIT || + tObj->Image[0][tObj->BaseLevel]->Border > 0) { + /* 1D or 3D texturing enabled, or texture border - fallback */ + FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE); + return; + } + + /* Do 2D texture setup */ + + t = tObj->DriverData; + if (!t) { + t = savageAllocTexObj( tObj ); + if (!t) + return; + } + + if (t->current_unit != 0) + savageTexSetUnit( t, 0 ); + + imesa->CurrentTexObj[0] = t; + t->bound = 1; + + if (t->dirty_images) { + savageSetTexImages(imesa, tObj); + savageUploadTexImages(imesa, imesa->CurrentTexObj[0]); + } + + if (t->MemBlock) + savageUpdateTexLRU( imesa, t ); + + TexDescr.ui = imesa->Registers.TexDescr.ui & ~0x01000000; + TexCtrl.ui = imesa->Registers.TexCtrl[0].ui; + TexBlendCtrl.ui = imesa->Registers.TexBlendCtrl[0].ui; + + format = tObj->Image[0][tObj->BaseLevel]->Format; + + switch (ctx->Texture.Unit[0].EnvMode) { + case GL_REPLACE: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + switch(format) + { + case GL_LUMINANCE: + case GL_RGB: + TexBlendCtrl.ui = TBC_Decal; + break; + + case GL_LUMINANCE_ALPHA: + case GL_RGBA: + case GL_INTENSITY: + TexBlendCtrl.ui = TBC_Copy; + break; + + case GL_ALPHA: + TexBlendCtrl.ui = TBC_CopyAlpha; + break; + } + __HWEnvCombineSingleUnitScale(imesa, 0, 0, &TexBlendCtrl); + break; + + case GL_DECAL: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + switch (format) + { + case GL_RGB: + case GL_LUMINANCE: + TexBlendCtrl.ui = TBC_Decal; + break; + + case GL_RGBA: + case GL_INTENSITY: + case GL_LUMINANCE_ALPHA: + TexBlendCtrl.ui = TBC_DecalAlpha; + break; + + /* + GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_INTENSITY + are undefined with GL_DECAL + */ + + case GL_ALPHA: + TexBlendCtrl.ui = TBC_CopyAlpha; + break; + } + __HWEnvCombineSingleUnitScale(imesa, 0, 0, &TexBlendCtrl); + break; + + case GL_MODULATE: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + TexBlendCtrl.ui = TBC_ModulAlpha; + __HWEnvCombineSingleUnitScale(imesa, 0, 0, &TexBlendCtrl); + break; + + case GL_BLEND: + + switch (format) + { + case GL_ALPHA: + TexBlendCtrl.ui = TBC_ModulAlpha; + TexCtrl.s4.clrArg1Invert = GL_FALSE; + break; + + case GL_LUMINANCE: + case GL_RGB: + TexBlendCtrl.ui = TBC_Blend0; + TexDescr.s4.tex1En = GL_TRUE; + TexDescr.s4.texBLoopEn = GL_TRUE; + TexDescr.s4.tex1Width = TexDescr.s4.tex0Width; + TexDescr.s4.tex1Height = TexDescr.s4.tex0Height; + TexDescr.s4.tex1Fmt = TexDescr.s4.tex0Fmt; + + if (imesa->Registers.TexAddr[1].ui != imesa->Registers.TexAddr[0].ui) + { + imesa->Registers.TexAddr[1].ui = imesa->Registers.TexAddr[0].ui; + imesa->Registers.changed.ni.fTex1AddrChanged = GL_TRUE; + } + + if (imesa->Registers.TexBlendCtrl[1].ui != TBC_Blend1) + { + imesa->Registers.TexBlendCtrl[1].ui = TBC_Blend1; + imesa->Registers.changed.ni.fTex1BlendCtrlChanged = GL_TRUE; + } + + TexCtrl.s4.clrArg1Invert = GL_TRUE; + imesa->bTexEn1 = GL_TRUE; + break; + + case GL_LUMINANCE_ALPHA: + case GL_RGBA: + TexBlendCtrl.ui = TBC_BlendAlpha0; + TexDescr.s4.tex1En = GL_TRUE; + TexDescr.s4.texBLoopEn = GL_TRUE; + TexDescr.s4.tex1Width = TexDescr.s4.tex0Width; + TexDescr.s4.tex1Height = TexDescr.s4.tex0Height; + TexDescr.s4.tex1Fmt = TexDescr.s4.tex0Fmt; + + if (imesa->Registers.TexAddr[1].ui != imesa->Registers.TexAddr[0].ui) + { + imesa->Registers.TexAddr[1].ui = imesa->Registers.TexAddr[0].ui; + imesa->Registers.changed.ni.fTex1AddrChanged = GL_TRUE; + } + + if (imesa->Registers.TexBlendCtrl[1].ui != TBC_BlendAlpha1) + { + imesa->Registers.TexBlendCtrl[1].ui = TBC_BlendAlpha1; + imesa->Registers.changed.ni.fTex1BlendCtrlChanged = GL_TRUE; + } + + TexCtrl.s4.clrArg1Invert = GL_TRUE; + imesa->bTexEn1 = GL_TRUE; + break; + + case GL_INTENSITY: + TexBlendCtrl.ui = TBC_BlendInt0; + TexDescr.s4.tex1En = GL_TRUE; + TexDescr.s4.texBLoopEn = GL_TRUE; + TexDescr.s4.tex1Width = TexDescr.s4.tex0Width; + TexDescr.s4.tex1Height = TexDescr.s4.tex0Height; + TexDescr.s4.tex1Fmt = TexDescr.s4.tex0Fmt; + + if (imesa->Registers.TexAddr[1].ui != imesa->Registers.TexAddr[0].ui) + { + imesa->Registers.TexAddr[1].ui = imesa->Registers.TexAddr[0].ui; + imesa->Registers.changed.ni.fTex1AddrChanged = GL_TRUE; + } + + if (imesa->Registers.TexBlendCtrl[1].ui != TBC_BlendInt1) + { + imesa->Registers.TexBlendCtrl[1].ui = TBC_BlendInt1; + imesa->Registers.changed.ni.fTex1BlendCtrlChanged = GL_TRUE; + } + TexCtrl.s4.clrArg1Invert = GL_TRUE; + TexCtrl.s4.alphaArg1Invert = GL_TRUE; + imesa->bTexEn1 = GL_TRUE; + break; + } + __HWEnvCombineSingleUnitScale(imesa, 0, 0, &TexBlendCtrl); + break; + + /* + GL_ADD + */ + case GL_ADD: + printf("Add\n"); + TexCtrl.s4.clrArg1Invert = GL_FALSE; + TexBlendCtrl.ui = TBC_AddAlpha; + __HWEnvCombineSingleUnitScale(imesa, 0, 0, &TexBlendCtrl); + break; + +#if GL_ARB_texture_env_combine + case GL_COMBINE_ARB: + __HWParseTexEnvCombine(imesa, 0, &TexCtrl, &TexBlendCtrl); + break; +#endif + + default: + fprintf(stderr, "unknown tex env mode"); + exit(1); + break; + } + + TexCtrl.s4.uMode = !(t->texParams.sWrapMode & 0x01); + TexCtrl.s4.vMode = !(t->texParams.tWrapMode & 0x01); + + switch (t->texParams.minFilter) + { + case GL_NEAREST: + TexCtrl.s4.filterMode = TFM_Point; + TexCtrl.s4.mipmapEnable = GL_FALSE; + break; + + case GL_LINEAR: + TexCtrl.s4.filterMode = TFM_Bilin; + TexCtrl.s4.mipmapEnable = GL_FALSE; + break; + + case GL_NEAREST_MIPMAP_NEAREST: + TexCtrl.s4.filterMode = TFM_Point; + TexCtrl.s4.mipmapEnable = GL_TRUE; + break; + + case GL_LINEAR_MIPMAP_NEAREST: + TexCtrl.s4.filterMode = TFM_Bilin; + TexCtrl.s4.mipmapEnable = GL_TRUE; + break; + + case GL_NEAREST_MIPMAP_LINEAR: + case GL_LINEAR_MIPMAP_LINEAR: + TexCtrl.s4.filterMode = TFM_Trilin; + TexCtrl.s4.mipmapEnable = GL_TRUE; + break; + } + + if((ctx->Texture.Unit[0].LodBias !=0.0F) && (TexCtrl.s4.dBias != 0)) + { + union { + GLfloat f; + GLint i; + } bias; + GLuint ul; + + bias.f = ctx->Texture.Unit[0].LodBias; + + /* if the value is >= 15.9375 determine whether >= 16 + or <0 + */ + if(((bias.i) & 0x7FFFFFFF) >= 0x417F0000) + { + if((bias.i) & 0x80000000) + { + ul=0x101; + } + else + { + ul=0xff; + } + } + else + { + ul=(GLuint)(bias.f*16.0); + } + + ul &= 0x1FF; + TexCtrl.s4.dBias = ul; + } + + TexDescr.s4.tex0En = GL_TRUE; + TexDescr.s4.tex0Width = t->image[0].image->WidthLog2; + TexDescr.s4.tex0Height = t->image[0].image->HeightLog2; + TexDescr.s4.tex0Fmt = t->image[0].internalFormat; + TexCtrl.s4.dMax = t->max_level; + + if (TexDescr.s4.tex1En) + TexDescr.s4.texBLoopEn = GL_TRUE; + + if (imesa->Registers.TexAddr[0].ui != (GLuint)t->texParams.hwPhysAddress) + { + imesa->Registers.TexAddr[0].ui = (GLuint) t->texParams.hwPhysAddress | 0x2; + + if(t->heap == SAVAGE_AGP_HEAP) + imesa->Registers.TexAddr[0].ui |= 0x1; + + imesa->Registers.changed.ni.fTex0AddrChanged = GL_TRUE; + } + + if (imesa->Registers.TexCtrl[0].ui != TexCtrl.ui) + { + imesa->Registers.TexCtrl[0].ui = TexCtrl.ui; + imesa->Registers.changed.ni.fTex0CtrlChanged = GL_TRUE; + } + + if (imesa->Registers.TexBlendCtrl[0].ui != TexBlendCtrl.ui) + { + imesa->Registers.TexBlendCtrl[0].ui = TexBlendCtrl.ui; + imesa->Registers.changed.ni.fTex0BlendCtrlChanged = GL_TRUE; + } + + if (imesa->Registers.TexDescr.ui != TexDescr.ui) + { + imesa->Registers.TexDescr.ui = TexDescr.ui; + imesa->Registers.changed.ni.fTexDescrChanged = GL_TRUE; + } + + return; +} +static void savageUpdateTex1State_s4( GLcontext *ctx ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT(ctx); + struct gl_texture_object *tObj; + savageTextureObjectPtr t; + GLuint format; + Reg_TexCtrl TexCtrl; + Reg_TexBlendCtrl TexBlendCtrl; + Reg_TexDescr TexDescr; + + + /* disable */ + if(imesa->bTexEn1) + { + imesa->bTexEn1 = GL_FALSE; + return; + } + + if (ctx->Texture.Unit[1]._ReallyEnabled == 0) { + imesa->Registers.TexDescr.s4.tex1En = GL_FALSE; + imesa->Registers.TexBlendCtrl[1].ui = TBC_NoTexMap1; + imesa->Registers.TexCtrl[1].ui = 0x20f040; + imesa->Registers.TexAddr[1].ui = 0; + imesa->Registers.TexDescr.s4.texBLoopEn = GL_FALSE; + imesa->Registers.changed.ni.fTex1BlendCtrlChanged = GL_TRUE; + imesa->Registers.changed.ni.fTexDescrChanged = GL_TRUE; + imesa->Registers.changed.ni.fTex1BlendCtrlChanged = GL_TRUE; + imesa->Registers.changed.ni.fTex1AddrChanged = GL_TRUE; + return; + } + + tObj = ctx->Texture.Unit[1]._Current; + + if (ctx->Texture.Unit[1]._ReallyEnabled != TEXTURE_2D_BIT || + tObj->Image[0][tObj->BaseLevel]->Border > 0) { + /* 1D or 3D texturing enabled, or texture border - fallback */ + FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE); + return; + } + + /* Do 2D texture setup */ + + t = tObj->DriverData; + if (!t) { + t = savageAllocTexObj( tObj ); + if (!t) + return; + } + + if (t->current_unit != 1) + savageTexSetUnit( t, 1 ); + + imesa->CurrentTexObj[1] = t; + + t->bound = 2; + + if (t->dirty_images) { + savageSetTexImages(imesa, tObj); + savageUploadTexImages(imesa, imesa->CurrentTexObj[1]); + } + + if (t->MemBlock) + savageUpdateTexLRU( imesa, t ); + + TexDescr.ui = imesa->Registers.TexDescr.ui; + TexCtrl.ui = imesa->Registers.TexCtrl[1].ui; + TexBlendCtrl.ui = imesa->Registers.TexBlendCtrl[1].ui; + + format = tObj->Image[0][tObj->BaseLevel]->Format; + + switch (ctx->Texture.Unit[1].EnvMode) { + case GL_REPLACE: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + switch (format) + { + case GL_LUMINANCE: + case GL_RGB: + TexBlendCtrl.ui = TBC_Decal; + break; + + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + case GL_RGBA: + TexBlendCtrl.ui = TBC_Copy; + break; + + case GL_ALPHA: + TexBlendCtrl.ui = TBC_CopyAlpha1; + break; + } + __HWEnvCombineSingleUnitScale(imesa, 0, 1, &TexBlendCtrl); + break; + case GL_MODULATE: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + TexBlendCtrl.ui = TBC_ModulAlpha1; + __HWEnvCombineSingleUnitScale(imesa, 0, 1, &TexBlendCtrl); + break; + +/*#if GL_EXT_texture_env_add*/ + case GL_ADD: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + TexBlendCtrl.ui = TBC_AddAlpha1; + __HWEnvCombineSingleUnitScale(imesa, 0, 1, &TexBlendCtrl); + break; +/*#endif*/ + +#if GL_ARB_texture_env_combine + case GL_COMBINE_ARB: + __HWParseTexEnvCombine(imesa, 1, &TexCtrl, &TexBlendCtrl); + break; +#endif + + case GL_DECAL: + TexCtrl.s4.clrArg1Invert = GL_FALSE; + + switch (format) + { + case GL_LUMINANCE: + case GL_RGB: + TexBlendCtrl.ui = TBC_Decal1; + break; + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + case GL_RGBA: + TexBlendCtrl.ui = TBC_DecalAlpha1; + break; + + /* + // GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA, GL_INTENSITY + // are undefined with GL_DECAL + */ + case GL_ALPHA: + TexBlendCtrl.ui = TBC_CopyAlpha1; + break; + } + __HWEnvCombineSingleUnitScale(imesa, 0, 1, &TexBlendCtrl); + break; + + case GL_BLEND: + if (format == GL_LUMINANCE) + { + /* + // This is a hack for GLQuake, invert. + */ + TexCtrl.s4.clrArg1Invert = GL_TRUE; + TexBlendCtrl.ui = 0; + } + __HWEnvCombineSingleUnitScale(imesa, 0, 1, &TexBlendCtrl); + break; + + default: + fprintf(stderr, "unkown tex 1 env mode\n"); + exit(1); + break; + } + + TexCtrl.s4.uMode = !(t->texParams.sWrapMode & 0x01); + TexCtrl.s4.vMode = !(t->texParams.tWrapMode & 0x01); + + switch (t->texParams.minFilter) + { + case GL_NEAREST: + TexCtrl.s4.filterMode = TFM_Point; + TexCtrl.s4.mipmapEnable = GL_FALSE; + break; + + case GL_LINEAR: + TexCtrl.s4.filterMode = TFM_Bilin; + TexCtrl.s4.mipmapEnable = GL_FALSE; + break; + + case GL_NEAREST_MIPMAP_NEAREST: + TexCtrl.s4.filterMode = TFM_Point; + TexCtrl.s4.mipmapEnable = GL_TRUE; + break; + + case GL_LINEAR_MIPMAP_NEAREST: + TexCtrl.s4.filterMode = TFM_Bilin; + TexCtrl.s4.mipmapEnable = GL_TRUE; + break; + + case GL_NEAREST_MIPMAP_LINEAR: + case GL_LINEAR_MIPMAP_LINEAR: + TexCtrl.s4.filterMode = TFM_Trilin; + TexCtrl.s4.mipmapEnable = GL_TRUE; + break; + } + + if((ctx->Texture.Unit[1].LodBias !=0.0F)&&(TexCtrl.s4.dBias != 0)) + { + union { + GLfloat f; + GLint i; + } bias; + GLuint ul; + + bias.f = ctx->Texture.Unit[1].LodBias; + + /* if the value is >= 15.9375 determine whether >= 16 + or <0 + */ + if(((bias.i) & 0x7FFFFFFF) >= 0x417F0000) + { + if((bias.i) & 0x80000000) + { + ul=0x101; + } + else + { + ul=0xff; + } + } + else + { + ul=(GLuint)(bias.f*16.0); + } + + ul &= 0x1FF; + TexCtrl.s4.dBias = ul; + } + + TexDescr.s4.tex1En = GL_TRUE; + TexDescr.s4.tex1Width = t->image[0].image->WidthLog2; + TexDescr.s4.tex1Height = t->image[0].image->HeightLog2; + TexDescr.s4.tex1Fmt = t->image[0].internalFormat; + TexCtrl.s4.dMax = t->max_level; + TexDescr.s4.texBLoopEn = GL_TRUE; + + if (imesa->Registers.TexAddr[1].ui != (GLuint)t->texParams.hwPhysAddress) + { + imesa->Registers.TexAddr[1].ui = (GLuint) t->texParams.hwPhysAddress| 2; + + if(t->heap == SAVAGE_AGP_HEAP) + imesa->Registers.TexAddr[1].ui |= 0x1; + + /*imesa->Registers.TexAddr[1].ui = (GLuint) t->texParams.hwPhysAddress| 3;*/ + imesa->Registers.changed.ni.fTex1AddrChanged = GL_TRUE; + } + + if (imesa->Registers.TexCtrl[1].ui != TexCtrl.ui) + { + imesa->Registers.TexCtrl[1].ui = TexCtrl.ui; + imesa->Registers.changed.ni.fTex1CtrlChanged = GL_TRUE; + } + + if (imesa->Registers.TexBlendCtrl[1].ui != TexBlendCtrl.ui) + { + imesa->Registers.TexBlendCtrl[1].ui = TexBlendCtrl.ui; + imesa->Registers.changed.ni.fTex1BlendCtrlChanged = GL_TRUE; + } + + if (imesa->Registers.TexDescr.ui != TexDescr.ui) + { + imesa->Registers.TexDescr.ui = TexDescr.ui; + imesa->Registers.changed.ni.fTexDescrChanged = GL_TRUE; + } + +} +static void savageUpdateTexState_s3d( GLcontext *ctx ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT(ctx); + struct gl_texture_object *tObj; + savageTextureObjectPtr t; + GLuint format; + Reg_TexCtrl TexCtrl; + Reg_DrawCtrl DrawCtrl; + Reg_TexDescr TexDescr; + + /* disable */ + if (ctx->Texture.Unit[0]._ReallyEnabled == 0) { + imesa->Registers.TexCtrl[0].ui = 0; + imesa->Registers.TexCtrl[0].s3d.texEn = GL_FALSE; + imesa->Registers.TexCtrl[0].s3d.dBias = 0x08; + imesa->Registers.TexCtrl[0].s3d.texXprEn = GL_TRUE; + imesa->Registers.TexAddr[0].ui = 0; + imesa->Registers.changed.ni.fTex0AddrChanged = GL_TRUE; + imesa->Registers.changed.ni.fTex0CtrlChanged = GL_TRUE; + return; + } + + tObj = ctx->Texture.Unit[0]._Current; + if (ctx->Texture.Unit[0]._ReallyEnabled != TEXTURE_2D_BIT || + tObj->Image[0][tObj->BaseLevel]->Border > 0) { + /* 1D or 3D texturing enabled, or texture border - fallback */ + FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE); + return; + } + + /* Do 2D texture setup */ + t = tObj->DriverData; + if (!t) { + t = savageAllocTexObj( tObj ); + if (!t) + return; + } + + if (t->current_unit != 0) + savageTexSetUnit( t, 0 ); + + imesa->CurrentTexObj[0] = t; + t->bound = 1; + + if (t->dirty_images) { + savageSetTexImages(imesa, tObj); + savageUploadTexImages(imesa, imesa->CurrentTexObj[0]); + } + + if (t->MemBlock) + savageUpdateTexLRU( imesa, t ); + + TexDescr.ui = imesa->Registers.TexDescr.ui; + TexCtrl.ui = imesa->Registers.TexCtrl[0].ui; + DrawCtrl.ui = imesa->Registers.DrawCtrl.ui; + + format = tObj->Image[0][tObj->BaseLevel]->Format; + + /* FIXME: copied from utah-glx, probably needs some tuning */ + switch (ctx->Texture.Unit[0].EnvMode) { + case GL_DECAL: + DrawCtrl.ni.texBlendCtrl = SAVAGETBC_DECAL_S3D; + break; + case GL_REPLACE: + DrawCtrl.ni.texBlendCtrl = SAVAGETBC_COPY_S3D; + break; + case GL_BLEND: /* FIXIT */ + case GL_MODULATE: + DrawCtrl.ni.texBlendCtrl = SAVAGETBC_MODULATEALPHA_S3D; + break; + default: + fprintf(stderr, "unkown tex env mode\n"); + /*exit(1);*/ + break; + } + + DrawCtrl.ni.flushPdDestWrites = GL_TRUE; + DrawCtrl.ni.flushPdZbufWrites = GL_TRUE; + + /* FIXME: this is how the utah-driver works. I doubt it's the ultimate + truth. */ + TexCtrl.s3d.uWrapEn = 0; + TexCtrl.s3d.vWrapEn = 0; + if (t->texParams.sWrapMode == GL_CLAMP) + TexCtrl.s3d.wrapMode = TAM_Clamp; + else + TexCtrl.s3d.wrapMode = TAM_Wrap; + + switch (t->texParams.minFilter) { + case GL_NEAREST: + TexCtrl.s3d.filterMode = TFM_Point; + TexCtrl.s3d.mipmapDisable = GL_TRUE; + break; + + case GL_LINEAR: + TexCtrl.s3d.filterMode = TFM_Bilin; + TexCtrl.s3d.mipmapDisable = GL_TRUE; + break; + + case GL_NEAREST_MIPMAP_NEAREST: + TexCtrl.s3d.filterMode = TFM_Point; + TexCtrl.s3d.mipmapDisable = GL_FALSE; + break; + + case GL_LINEAR_MIPMAP_NEAREST: + TexCtrl.s3d.filterMode = TFM_Bilin; + TexCtrl.s3d.mipmapDisable = GL_FALSE; + break; + + case GL_NEAREST_MIPMAP_LINEAR: + case GL_LINEAR_MIPMAP_LINEAR: + TexCtrl.s3d.filterMode = TFM_Trilin; + TexCtrl.s3d.mipmapDisable = GL_FALSE; + break; + } + + /* There is no way to specify a maximum mipmap level. We may have to + disable mipmapping completely. */ + /* + if (t->max_level < t->image[0].image->WidthLog2 || + t->max_level < t->image[0].image->HeightLog2) { + TexCtrl.s3d.mipmapEnable = GL_TRUE; + if (TexCtrl.s3d.filterMode == TFM_Trilin) + TexCtrl.s3d.filterMode = TFM_Bilin; + TexCtrl.s3d.filterMode = TFM_Point; + } + */ + + /* LOD bias makes corruption of small mipmap levels worse on Savage IX + * but doesn't show the desired effect with the lodbias mesa demo. */ + TexCtrl.s3d.dBias = 0; + + TexCtrl.s3d.texEn = GL_TRUE; + TexDescr.s3d.texWidth = t->image[0].image->WidthLog2; + TexDescr.s3d.texHeight = t->image[0].image->HeightLog2; + assert (t->image[0].internalFormat <= 7); + TexDescr.s3d.texFmt = t->image[0].internalFormat; + + if (imesa->Registers.TexAddr[0].ni.addr != (GLuint)t->texParams.hwPhysAddress >> 3) + { + imesa->Registers.TexAddr[0].ni.addr = (GLuint) t->texParams.hwPhysAddress >> 3; + + if(t->heap == SAVAGE_AGP_HEAP) { + imesa->Registers.TexAddr[0].ni.inSysTex = 1; + imesa->Registers.TexAddr[0].ni.inAGPTex = 1; + } else { + imesa->Registers.TexAddr[0].ni.inSysTex = 0; + imesa->Registers.TexAddr[0].ni.inAGPTex = 1; + } + + imesa->Registers.changed.ni.fTex0AddrChanged = GL_TRUE; + } + + if (imesa->Registers.TexCtrl[0].ui != TexCtrl.ui) + { + imesa->Registers.TexCtrl[0].ui = TexCtrl.ui; + imesa->Registers.changed.ni.fTex0CtrlChanged = GL_TRUE; + } + + if (imesa->Registers.TexDescr.ui != TexDescr.ui) + { + imesa->Registers.TexDescr.ui = TexDescr.ui; + imesa->Registers.changed.ni.fTexDescrChanged = GL_TRUE; + } + + if (imesa->Registers.DrawCtrl.ui != DrawCtrl.ui) + { + imesa->Registers.DrawCtrl.ui = DrawCtrl.ui; + imesa->Registers.changed.ni.fDrawCtrlChanged = GL_TRUE; + } +} + + + +static void savageUpdateTextureState_s4( GLcontext *ctx ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT(ctx); + if (imesa->CurrentTexObj[0]) imesa->CurrentTexObj[0]->bound = 0; + if (imesa->CurrentTexObj[1]) imesa->CurrentTexObj[1]->bound = 0; + imesa->CurrentTexObj[0] = 0; + imesa->CurrentTexObj[1] = 0; + FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_FALSE); + savageUpdateTex0State_s4( ctx ); + savageUpdateTex1State_s4( ctx ); + imesa->dirty |= (SAVAGE_UPLOAD_CTX | + SAVAGE_UPLOAD_TEX0 | + SAVAGE_UPLOAD_TEX1); +} +static void savageUpdateTextureState_s3d( GLcontext *ctx ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT(ctx); + if (imesa->CurrentTexObj[0]) imesa->CurrentTexObj[0]->bound = 0; + imesa->CurrentTexObj[0] = 0; + if (ctx->Texture.Unit[1]._ReallyEnabled) { + FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_TRUE); + } else { + FALLBACK (ctx, SAVAGE_FALLBACK_TEXTURE, GL_FALSE); + savageUpdateTexState_s3d( ctx ); + imesa->dirty |= (SAVAGE_UPLOAD_CTX | + SAVAGE_UPLOAD_TEX0); + } +} +static void savageUpdateTextureState_first( GLcontext *ctx) +{ + savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); + if (imesa->savageScreen->chipset <= S3_SAVAGE4) { + GetTiledCoordinates16 = GetTiledCoordinates16_4; + GetTiledCoordinates32 = GetTiledCoordinates32_4; + } else { + GetTiledCoordinates16 = GetTiledCoordinates16_8; + GetTiledCoordinates32 = GetTiledCoordinates32_8; + } + if (imesa->savageScreen->chipset >= S3_SAVAGE4) + savageUpdateTextureState = savageUpdateTextureState_s4; + else + savageUpdateTextureState = savageUpdateTextureState_s3d; + savageUpdateTextureState (ctx); +} +void (*savageUpdateTextureState)( GLcontext *ctx ) = + savageUpdateTextureState_first; + + + +/***************************************** + * DRIVER functions + *****************************************/ + +static void savageTexEnv( GLcontext *ctx, GLenum target, + GLenum pname, const GLfloat *param ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); + + if (pname == GL_TEXTURE_ENV_MODE) { + + imesa->new_state |= SAVAGE_NEW_TEXTURE; + + } else if (pname == GL_TEXTURE_ENV_COLOR) { + + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + const GLfloat *fc = texUnit->EnvColor; + GLuint r, g, b, a, col; + CLAMPED_FLOAT_TO_UBYTE(r, fc[0]); + CLAMPED_FLOAT_TO_UBYTE(g, fc[1]); + CLAMPED_FLOAT_TO_UBYTE(b, fc[2]); + CLAMPED_FLOAT_TO_UBYTE(a, fc[3]); + + col = ((a << 24) | + (r << 16) | + (g << 8) | + (b << 0)); + + + } +} + +static void savageTexImage2D( GLcontext *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ) +{ + savageTextureObjectPtr t = (savageTextureObjectPtr) texObj->DriverData; + if (t) { + savageSwapOutTexObj( SAVAGE_CONTEXT(ctx), t ); + } else { + t = savageAllocTexObj(texObj); + if (!t) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); + return; + } + } + _mesa_store_teximage2d( ctx, target, level, internalFormat, + width, height, border, format, type, + pixels, packing, texObj, texImage ); + t->dirty_images |= (1 << level); + SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE; +} + +static void savageTexSubImage2D( GLcontext *ctx, + GLenum target, + GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ) +{ + savageTextureObjectPtr t = (savageTextureObjectPtr) texObj->DriverData; + assert( t ); /* this _should_ be true */ + if (t) { + savageSwapOutTexObj( SAVAGE_CONTEXT(ctx), t ); + } else { + t = savageAllocTexObj(texObj); + if (!t) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); + return; + } + } + _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width, + height, format, type, pixels, packing, texObj, + texImage); + t->dirty_images |= (1 << level); + SAVAGE_CONTEXT(ctx)->new_state |= SAVAGE_NEW_TEXTURE; +} + +static void savageTexParameter( GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj, + GLenum pname, const GLfloat *params ) +{ + savageTextureObjectPtr t = (savageTextureObjectPtr) tObj->DriverData; + savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); + + if (!t || target != GL_TEXTURE_2D) + return; + + switch (pname) { + case GL_TEXTURE_MIN_FILTER: + case GL_TEXTURE_MAG_FILTER: + savageSetTexFilter(t,tObj->MinFilter,tObj->MagFilter); + break; + + case GL_TEXTURE_WRAP_S: + case GL_TEXTURE_WRAP_T: + savageSetTexWrapping(t,tObj->WrapS,tObj->WrapT); + break; + + case GL_TEXTURE_BORDER_COLOR: + savageSetTexBorderColor(t,tObj->_BorderChan); + break; + + default: + return; + } + + imesa->new_state |= SAVAGE_NEW_TEXTURE; +} + +static void savageBindTexture( GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj ) +{ + savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); + + + if (imesa->CurrentTexObj[ctx->Texture.CurrentUnit]) { + imesa->CurrentTexObj[ctx->Texture.CurrentUnit]->bound = 0; + imesa->CurrentTexObj[ctx->Texture.CurrentUnit] = 0; + } + + assert( (target != GL_TEXTURE_2D) || (tObj->DriverData != NULL) ); + + imesa->new_state |= SAVAGE_NEW_TEXTURE; +} + +static void savageDeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj ) +{ + savageTextureObjectPtr t = (savageTextureObjectPtr)tObj->DriverData; + savageContextPtr imesa = SAVAGE_CONTEXT( ctx ); + + if (t) { + + if (t->bound) { + imesa->CurrentTexObj[t->bound-1] = 0; + imesa->new_state |= SAVAGE_NEW_TEXTURE; + } + + savageDestroyTexObj(imesa,t); + tObj->DriverData=0; + } + /* Free mipmap images and the texture object itself */ + _mesa_delete_texture_object(ctx, tObj); +} + + +static GLboolean savageIsTextureResident( GLcontext *ctx, + struct gl_texture_object *t ) +{ + savageTextureObjectPtr mt; + +/* LOCK_HARDWARE; */ + mt = (savageTextureObjectPtr)t->DriverData; +/* UNLOCK_HARDWARE; */ + + return mt && mt->MemBlock; +} + + +static struct gl_texture_object * +savageNewTextureObject( GLcontext *ctx, GLuint name, GLenum target ) +{ + struct gl_texture_object *obj; + obj = _mesa_new_texture_object(ctx, name, target); + savageAllocTexObj( obj ); + + return obj; +} + +void savageDDInitTextureFuncs( struct dd_function_table *functions ) +{ + functions->TexEnv = savageTexEnv; + functions->ChooseTextureFormat = savageChooseTextureFormat; + functions->TexImage2D = savageTexImage2D; + functions->TexSubImage2D = savageTexSubImage2D; + functions->BindTexture = savageBindTexture; + functions->NewTextureObject = savageNewTextureObject; + functions->DeleteTexture = savageDeleteTexture; + functions->IsTextureResident = savageIsTextureResident; + functions->TexParameter = savageTexParameter; +} |