diff options
Diffstat (limited to 'src/mesa/drivers/glide/fxddtex.c')
| -rw-r--r-- | src/mesa/drivers/glide/fxddtex.c | 1836 |
1 files changed, 0 insertions, 1836 deletions
diff --git a/src/mesa/drivers/glide/fxddtex.c b/src/mesa/drivers/glide/fxddtex.c deleted file mode 100644 index b35874fffc3..00000000000 --- a/src/mesa/drivers/glide/fxddtex.c +++ /dev/null @@ -1,1836 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 4.0 - * - * Copyright (C) 1999-2001 Brian Paul 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, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL 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. - */ - -/* Authors: - * David Bucciarelli - * Brian Paul - * Daryll Strauss - * Keith Whitwell - * Daniel Borca - * Hiroshi Morii - */ - - -#ifdef HAVE_CONFIG_H -#include "conf.h" -#endif - -#if defined(FX) - -#include "fxdrv.h" -#include "main/enums.h" -#include "main/formats.h" -#include "main/image.h" -#include "main/teximage.h" -#include "main/texstore.h" -#include "main/texformat.h" -#include "main/texcompress.h" -#include "main/texobj.h" -#include "main/texstore.h" - - -/* no borders! can't halve 1x1! (stride > width * comp) not allowed */ -static void -_mesa_halve2x2_teximage2d ( GLcontext *ctx, - struct gl_texture_image *texImage, - GLuint bytesPerPixel, - GLint srcWidth, GLint srcHeight, - const GLvoid *srcImage, GLvoid *dstImage ) -{ - GLint i, j, k; - GLint dstWidth = srcWidth / 2; - GLint dstHeight = srcHeight / 2; - GLint srcRowStride = srcWidth * bytesPerPixel; - GLubyte *src = (GLubyte *)srcImage; - GLubyte *dst = dstImage; - - GLuint bpt = 0; - GLubyte *_s = NULL; - GLubyte *_d = NULL; - GLenum _t = 0; - - if (texImage->TexFormat->MesaFormat == MESA_FORMAT_RGB565) { - _t = GL_UNSIGNED_SHORT_5_6_5_REV; - bpt = bytesPerPixel; - } else if (texImage->TexFormat->MesaFormat == MESA_FORMAT_ARGB4444) { - _t = GL_UNSIGNED_SHORT_4_4_4_4_REV; - bpt = bytesPerPixel; - } else if (texImage->TexFormat->MesaFormat == MESA_FORMAT_ARGB1555) { - _t = GL_UNSIGNED_SHORT_1_5_5_5_REV; - bpt = bytesPerPixel; - } - if (bpt) { - bytesPerPixel = 4; - srcRowStride = srcWidth * bytesPerPixel; - if (dstWidth == 0) { - dstWidth = 1; - } - if (dstHeight == 0) { - dstHeight = 1; - } - _s = src = MALLOC(srcRowStride * srcHeight); - _d = dst = MALLOC(dstWidth * bytesPerPixel * dstHeight); - _mesa_texstore(ctx, 2, GL_RGBA, - &_mesa_texformat_rgba8888_rev, src, - 0, 0, 0, /* dstX/Y/Zoffset */ - srcRowStride, /* dstRowStride */ - 0, /* dstImageStride */ - srcWidth, srcHeight, 1, - texImage->_BaseFormat, _t, - srcImage, &ctx->DefaultPacking); - } - - if (srcHeight == 1) { - for (i = 0; i < dstWidth; i++) { - for (k = 0; k < bytesPerPixel; k++) { - dst[0] = (src[0] + src[bytesPerPixel] + 1) / 2; - src++; - dst++; - } - src += bytesPerPixel; - } - } else if (srcWidth == 1) { - for (j = 0; j < dstHeight; j++) { - for (k = 0; k < bytesPerPixel; k++) { - dst[0] = (src[0] + src[srcRowStride] + 1) / 2; - src++; - dst++; - } - src += srcRowStride; - } - } else { - for (j = 0; j < dstHeight; j++) { - for (i = 0; i < dstWidth; i++) { - for (k = 0; k < bytesPerPixel; k++) { - dst[0] = (src[0] + - src[bytesPerPixel] + - src[srcRowStride] + - src[srcRowStride + bytesPerPixel] + 2) / 4; - src++; - dst++; - } - src += bytesPerPixel; - } - src += srcRowStride; - } - } - - if (bpt) { - src = _s; - dst = _d; - _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, dstImage, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstWidth * bpt, - 0, /* dstImageStride */ - dstWidth, dstHeight, 1, - GL_BGRA, CHAN_TYPE, dst, &ctx->DefaultPacking); - FREE(dst); - FREE(src); - } -} - - -void -fxPrintTextureData(tfxTexInfo * ti) -{ - fprintf(stderr, "Texture Data:\n"); - if (ti->tObj) { - fprintf(stderr, "\tName: %d\n", ti->tObj->Name); - fprintf(stderr, "\tBaseLevel: %d\n", ti->tObj->BaseLevel); - fprintf(stderr, "\tSize: %d x %d\n", - ti->tObj->Image[0][ti->tObj->BaseLevel]->Width, - ti->tObj->Image[0][ti->tObj->BaseLevel]->Height); - } - else - fprintf(stderr, "\tName: UNNAMED\n"); - fprintf(stderr, "\tLast used: %d\n", ti->lastTimeUsed); - fprintf(stderr, "\tTMU: %ld\n", ti->whichTMU); - fprintf(stderr, "\t%s\n", (ti->isInTM) ? "In TMU" : "Not in TMU"); - if (ti->tm[0]) - fprintf(stderr, "\tMem0: %x-%x\n", (unsigned) ti->tm[0]->startAddr, - (unsigned) ti->tm[0]->endAddr); - if (ti->tm[1]) - fprintf(stderr, "\tMem1: %x-%x\n", (unsigned) ti->tm[1]->startAddr, - (unsigned) ti->tm[1]->endAddr); - fprintf(stderr, "\tMipmaps: %d-%d\n", ti->minLevel, ti->maxLevel); - fprintf(stderr, "\tFilters: min %d max %d\n", - (int) ti->minFilt, (int) ti->maxFilt); - fprintf(stderr, "\tClamps: s %d t %d\n", (int) ti->sClamp, - (int) ti->tClamp); - fprintf(stderr, "\tScales: s %f t %f\n", ti->sScale, ti->tScale); - fprintf(stderr, "\t%s\n", - (ti->fixedPalette) ? "Fixed palette" : "Non fixed palette"); - fprintf(stderr, "\t%s\n", (ti->validated) ? "Validated" : "Not validated"); -} - - -/************************************************************************/ -/*************************** Texture Mapping ****************************/ -/************************************************************************/ - -static void -fxTexInvalidate(GLcontext * ctx, struct gl_texture_object *tObj) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti; - - ti = fxTMGetTexInfo(tObj); - if (ti->isInTM) - fxTMMoveOutTM(fxMesa, tObj); /* TO DO: SLOW but easy to write */ - - ti->validated = GL_FALSE; - fxMesa->new_state |= FX_NEW_TEXTURING; -} - -static tfxTexInfo * -fxAllocTexObjData(fxMesaContext fxMesa) -{ - tfxTexInfo *ti; - - if (!(ti = CALLOC(sizeof(tfxTexInfo)))) { - fprintf(stderr, "fxAllocTexObjData: ERROR: out of memory !\n"); - fxCloseHardware(); - exit(-1); - } - - ti->validated = GL_FALSE; - ti->isInTM = GL_FALSE; - - ti->whichTMU = FX_TMU_NONE; - - ti->tm[FX_TMU0] = NULL; - ti->tm[FX_TMU1] = NULL; - - ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - ti->maxFilt = GR_TEXTUREFILTER_BILINEAR; - - ti->sClamp = GR_TEXTURECLAMP_WRAP; - ti->tClamp = GR_TEXTURECLAMP_WRAP; - - ti->mmMode = GR_MIPMAP_NEAREST; - ti->LODblend = FXFALSE; - - return ti; -} - -void -fxDDTexBind(GLcontext * ctx, GLenum target, struct gl_texture_object *tObj) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti; - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDTexBind(%d, %x)\n", tObj->Name, (GLuint)tObj->DriverData); - } - - if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D)) - return; - - if (!tObj->DriverData) { - tObj->DriverData = fxAllocTexObjData(fxMesa); - } - ti = fxTMGetTexInfo(tObj); - - fxMesa->texBindNumber++; - ti->lastTimeUsed = fxMesa->texBindNumber; - - fxMesa->new_state |= FX_NEW_TEXTURING; -} - -void -fxDDTexEnv(GLcontext * ctx, GLenum target, GLenum pname, - const GLfloat * param) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - if (param) - fprintf(stderr, "fxDDTexEnv(%x, %x)\n", pname, (GLint) (*param)); - else - fprintf(stderr, "fxDDTexEnv(%x)\n", pname); - } - - /* apply any lod biasing right now */ - if (pname == GL_TEXTURE_LOD_BIAS_EXT) { - GLfloat bias = *param; - bias = CLAMP(bias, - -ctx->Const.MaxTextureLodBias, - ctx->Const.MaxTextureLodBias - 0.25); - - grTexLodBiasValue(GR_TMU0, bias); - - if (fxMesa->haveTwoTMUs) { - grTexLodBiasValue(GR_TMU1, bias); - } - - } - - fxMesa->new_state |= FX_NEW_TEXTURING; -} - -void -fxDDTexParam(GLcontext * ctx, GLenum target, struct gl_texture_object *tObj, - GLenum pname, const GLfloat * params) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GLenum param = (GLenum) (GLint) params[0]; - tfxTexInfo *ti; - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDTexParam(%d, %x, %s, %s)\n", - tObj->Name, (GLuint) tObj->DriverData, - _mesa_lookup_enum_by_nr(pname), - _mesa_lookup_enum_by_nr(param)); - } - - if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D)) - return; - - if (!tObj->DriverData) - tObj->DriverData = fxAllocTexObjData(fxMesa); - ti = fxTMGetTexInfo(tObj); - - switch (pname) { - case GL_TEXTURE_MIN_FILTER: - switch (param) { - case GL_NEAREST: - ti->mmMode = GR_MIPMAP_DISABLE; - ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - ti->LODblend = FXFALSE; - break; - case GL_LINEAR: - ti->mmMode = GR_MIPMAP_DISABLE; - ti->minFilt = GR_TEXTUREFILTER_BILINEAR; - ti->LODblend = FXFALSE; - break; - case GL_NEAREST_MIPMAP_LINEAR: - /* [dBorca] - * currently Napalm can't do single-pass trilinear, - * because the way its combiners are set. So we fall back - * to GL_NEAREST_MIPMAP_NEAREST. We'll let true trilinear - * enabled for V2, V3. - */ - if (!fxMesa->HaveCmbExt) { - if (fxMesa->haveTwoTMUs) { - ti->mmMode = GR_MIPMAP_NEAREST; - ti->LODblend = FXTRUE; - } else { - ti->mmMode = GR_MIPMAP_NEAREST_DITHER; - ti->LODblend = FXFALSE; - } - ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - break; - } - case GL_NEAREST_MIPMAP_NEAREST: - ti->mmMode = GR_MIPMAP_NEAREST; - ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - ti->LODblend = FXFALSE; - break; - case GL_LINEAR_MIPMAP_LINEAR: - /* [dBorca] - * currently Napalm can't do single-pass trilinear, - * because the way its combiners are set. So we fall back - * to GL_LINEAR_MIPMAP_NEAREST. We'll let true trilinear - * enabled for V2, V3. - */ - if (!fxMesa->HaveCmbExt) { - if (fxMesa->haveTwoTMUs) { - ti->mmMode = GR_MIPMAP_NEAREST; - ti->LODblend = FXTRUE; - } else { - ti->mmMode = GR_MIPMAP_NEAREST_DITHER; - ti->LODblend = FXFALSE; - } - ti->minFilt = GR_TEXTUREFILTER_BILINEAR; - break; - } - case GL_LINEAR_MIPMAP_NEAREST: - ti->mmMode = GR_MIPMAP_NEAREST; - ti->minFilt = GR_TEXTUREFILTER_BILINEAR; - ti->LODblend = FXFALSE; - break; - default: - break; - } - fxTexInvalidate(ctx, tObj); - break; - - case GL_TEXTURE_MAG_FILTER: - switch (param) { - case GL_NEAREST: - ti->maxFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - break; - case GL_LINEAR: - ti->maxFilt = GR_TEXTUREFILTER_BILINEAR; - break; - default: - break; - } - fxMesa->new_state |= FX_NEW_TEXTURING; - break; - - case GL_TEXTURE_WRAP_S: - switch (param) { - case GL_MIRRORED_REPEAT: - ti->sClamp = GR_TEXTURECLAMP_MIRROR_EXT; - break; - case GL_CLAMP_TO_BORDER: /* no-no, but don't REPEAT, either */ - case GL_CLAMP_TO_EDGE: /* CLAMP discarding border */ - case GL_CLAMP: - ti->sClamp = GR_TEXTURECLAMP_CLAMP; - break; - case GL_REPEAT: - ti->sClamp = GR_TEXTURECLAMP_WRAP; - break; - default: - break; - } - fxMesa->new_state |= FX_NEW_TEXTURING; - break; - - case GL_TEXTURE_WRAP_T: - switch (param) { - case GL_MIRRORED_REPEAT: - ti->tClamp = GR_TEXTURECLAMP_MIRROR_EXT; - break; - case GL_CLAMP_TO_BORDER: /* no-no, but don't REPEAT, either */ - case GL_CLAMP_TO_EDGE: /* CLAMP discarding border */ - case GL_CLAMP: - ti->tClamp = GR_TEXTURECLAMP_CLAMP; - break; - case GL_REPEAT: - ti->tClamp = GR_TEXTURECLAMP_WRAP; - break; - default: - break; - } - fxMesa->new_state |= FX_NEW_TEXTURING; - break; - - case GL_TEXTURE_BORDER_COLOR: - /* TO DO */ - break; - - case GL_TEXTURE_MIN_LOD: - /* TO DO */ - break; - case GL_TEXTURE_MAX_LOD: - /* TO DO */ - break; - case GL_TEXTURE_BASE_LEVEL: - fxTexInvalidate(ctx, tObj); - break; - case GL_TEXTURE_MAX_LEVEL: - fxTexInvalidate(ctx, tObj); - break; - - default: - break; - } -} - -void -fxDDTexDel(GLcontext * ctx, struct gl_texture_object *tObj) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti = fxTMGetTexInfo(tObj); - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDTexDel(%d, %p)\n", tObj->Name, (void *) ti); - } - - if (!ti) - return; - - fxTMFreeTexture(fxMesa, tObj); - - FREE(ti); - tObj->DriverData = NULL; - - /* Free mipmap images and the texture object itself */ - _mesa_delete_texture_object(ctx, tObj); -} - - -/** - * Allocate a new texture object. - * Called via ctx->Driver.NewTextureObject. - * Note: this function will be called during context creation to - * allocate the default texture objects. - */ -struct gl_texture_object * -fxDDNewTextureObject( GLcontext *ctx, GLuint name, GLenum target ) -{ - struct gl_texture_object *obj; - obj = _mesa_new_texture_object(ctx, name, target); - return obj; -} - - -/* - * Return true if texture is resident, false otherwise. - */ -GLboolean -fxDDIsTextureResident(GLcontext *ctx, struct gl_texture_object *tObj) -{ - tfxTexInfo *ti = fxTMGetTexInfo(tObj); - return (ti && ti->isInTM); -} - - - -/* - * Convert a gl_color_table texture palette to Glide's format. - */ -static GrTexTable_t -convertPalette(const fxMesaContext fxMesa, FxU32 data[256], const struct gl_color_table *table) -{ - const GLubyte *tableUB = (const GLubyte *) table->Table; - GLint width = table->Size; - FxU32 r, g, b, a; - GLint i; - - ASSERT(table->Type == GL_UNSIGNED_BYTE); - - switch (table->_BaseFormat) { - case GL_INTENSITY: - for (i = 0; i < width; i++) { - r = tableUB[i]; - g = tableUB[i]; - b = tableUB[i]; - a = tableUB[i]; - data[i] = (a << 24) | (r << 16) | (g << 8) | b; - } - return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE; - case GL_LUMINANCE: - for (i = 0; i < width; i++) { - r = tableUB[i]; - g = tableUB[i]; - b = tableUB[i]; - a = 255; - data[i] = (a << 24) | (r << 16) | (g << 8) | b; - } - return GR_TEXTABLE_PALETTE; - case GL_ALPHA: - for (i = 0; i < width; i++) { - r = g = b = 255; - a = tableUB[i]; - data[i] = (a << 24) | (r << 16) | (g << 8) | b; - } - return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE; - case GL_LUMINANCE_ALPHA: - for (i = 0; i < width; i++) { - r = g = b = tableUB[i * 2 + 0]; - a = tableUB[i * 2 + 1]; - data[i] = (a << 24) | (r << 16) | (g << 8) | b; - } - return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE; - default: - case GL_RGB: - for (i = 0; i < width; i++) { - r = tableUB[i * 3 + 0]; - g = tableUB[i * 3 + 1]; - b = tableUB[i * 3 + 2]; - a = 255; - data[i] = (a << 24) | (r << 16) | (g << 8) | b; - } - return GR_TEXTABLE_PALETTE; - case GL_RGBA: - for (i = 0; i < width; i++) { - r = tableUB[i * 4 + 0]; - g = tableUB[i * 4 + 1]; - b = tableUB[i * 4 + 2]; - a = tableUB[i * 4 + 3]; - data[i] = (a << 24) | (r << 16) | (g << 8) | b; - } - return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE; - } -} - - -void -fxDDTexPalette(GLcontext * ctx, struct gl_texture_object *tObj) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (tObj) { - /* per-texture palette */ - tfxTexInfo *ti; - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDTexPalette(%d, %x)\n", - tObj->Name, (GLuint) tObj->DriverData); - } - /* This might be a proxy texture. */ - if (!tObj->Palette.Table) - return; - if (!tObj->DriverData) - tObj->DriverData = fxAllocTexObjData(fxMesa); - ti = fxTMGetTexInfo(tObj); - ti->paltype = convertPalette(fxMesa, ti->palette.data, &tObj->Palette); - fxTexInvalidate(ctx, tObj); - } - else { - /* global texture palette */ - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDTexPalette(global)\n"); - } - fxMesa->glbPalType = convertPalette(fxMesa, fxMesa->glbPalette.data, &ctx->Texture.Palette); - fxMesa->new_state |= FX_NEW_TEXTURING; - - grTexDownloadTable(fxMesa->glbPalType, &(fxMesa->glbPalette)); - } -} - - -void -fxDDTexUseGlbPalette(GLcontext * ctx, GLboolean state) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDTexUseGlbPalette(%d)\n", state); - } - - fxMesa->haveGlobalPaletteTexture = state; - fxMesa->new_state |= FX_NEW_TEXTURING; -} - - -static int -logbase2(int n) -{ - GLint i = 1; - GLint log2 = 0; - - if (n < 0) { - return -1; - } - - while (n > i) { - i *= 2; - log2++; - } - if (i != n) { - return -1; - } - else { - return log2; - } -} - - -/* fxTexGetInfo - * w, h - source texture width and height - * lodlevel - Glide lod level token for the larger texture dimension - * ar - Glide aspect ratio token - * sscale - S scale factor used during triangle setup - * tscale - T scale factor used during triangle setup - * wscale - OpenGL -> Glide image width scale factor - * hscale - OpenGL -> Glide image height scale factor - */ -int -fxTexGetInfo(int w, int h, GrLOD_t * lodlevel, GrAspectRatio_t * ar, - float *sscale, float *tscale, - int *wscale, int *hscale) -{ - int logw, logh, ws, hs; - GrLOD_t l; - GrAspectRatio_t aspectratio; - float s, t; - - logw = logbase2(w); - logh = logbase2(h); - - l = MAX2(logw, logh); - aspectratio = logw - logh; - ws = hs = 1; - s = t = 256.0f; - - /* hardware only allows a maximum aspect ratio of 8x1, so handle - * |aspectratio| > 3 by scaling the image and using an 8x1 aspect - * ratio - */ - switch (aspectratio) { - case 0: - break; - case 1: - t = 128.0f; - break; - case 2: - t = 64.0f; - break; - case 3: - t = 32.0f; - break; - case -1: - s = 128.0f; - break; - case -2: - s = 64.0f; - break; - case -3: - s = 32.0f; - break; - default: - if (aspectratio > 3) { - t = 32.0f; - hs = 1 << (aspectratio - 3); - aspectratio = GR_ASPECT_LOG2_8x1; - } else /*if (aspectratio < -3)*/ { - s = 32.0f; - ws = 1 << (-aspectratio - 3); - aspectratio = GR_ASPECT_LOG2_1x8; - } - } - - if (lodlevel) - (*lodlevel) = l; - - if (ar) - (*ar) = aspectratio; - - if (sscale) - (*sscale) = s; - - if (tscale) - (*tscale) = t; - - if (wscale) - (*wscale) = ws; - - if (hscale) - (*hscale) = hs; - - - return 1; -} - -static GLboolean -fxIsTexSupported(GLenum target, GLint internalFormat, - const struct gl_texture_image *image) -{ - if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D)) - return GL_FALSE; - -#if 0 - if (!fxTexGetInfo(image->Width, image->Height, NULL, NULL, NULL, NULL, NULL, NULL)) - return GL_FALSE; -#endif - - if (image->Border > 0) - return GL_FALSE; - - return GL_TRUE; -} - - -/**********************************************************************/ -/**** NEW TEXTURE IMAGE FUNCTIONS ****/ -/**********************************************************************/ -extern void -fxt1_decode_1 (const void *texture, int width, - int i, int j, unsigned char *rgba); - -/* Texel-fetch functions for software texturing and glGetTexImage(). - * We should have been able to use some "standard" fetch functions (which - * may get defined in texutil.c) but we have to account for scaled texture - * images on tdfx hardware (the 8:1 aspect ratio limit). - * Hence, we need special functions here. - */ - -static void -fetch_intensity8(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLubyte *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLubyte *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = *texel; - rgba[GCOMP] = *texel; - rgba[BCOMP] = *texel; - rgba[ACOMP] = *texel; -} - - -static void -fetch_luminance8(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLubyte *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLubyte *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = *texel; - rgba[GCOMP] = *texel; - rgba[BCOMP] = *texel; - rgba[ACOMP] = 255; -} - - -static void -fetch_alpha8(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLubyte *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLubyte *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = 255; - rgba[GCOMP] = 255; - rgba[BCOMP] = 255; - rgba[ACOMP] = *texel; -} - - -static void -fetch_index8(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *indexOut) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLubyte *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLubyte *) texImage->Data) + j * mml->width + i; - *indexOut = *texel; -} - - -static void -fetch_luminance8_alpha8(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLubyte *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLubyte *) texImage->Data) + (j * mml->width + i) * 2; - rgba[RCOMP] = texel[0]; - rgba[GCOMP] = texel[0]; - rgba[BCOMP] = texel[0]; - rgba[ACOMP] = texel[1]; -} - - -static void -fetch_r5g6b5(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLushort *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLushort *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = FX_rgb_scale_5[(*texel >> 11) & 0x1F]; - rgba[GCOMP] = FX_rgb_scale_6[(*texel >> 5) & 0x3F]; - rgba[BCOMP] = FX_rgb_scale_5[ *texel & 0x1F]; - rgba[ACOMP] = 255; -} - - -static void -fetch_r4g4b4a4(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLushort *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLushort *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = FX_rgb_scale_4[(*texel >> 8) & 0xF]; - rgba[GCOMP] = FX_rgb_scale_4[(*texel >> 4) & 0xF]; - rgba[BCOMP] = FX_rgb_scale_4[ *texel & 0xF]; - rgba[ACOMP] = FX_rgb_scale_4[(*texel >> 12) & 0xF]; -} - - -static void -fetch_r5g5b5a1(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLushort *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLushort *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = FX_rgb_scale_5[(*texel >> 10) & 0x1F]; - rgba[GCOMP] = FX_rgb_scale_5[(*texel >> 5) & 0x1F]; - rgba[BCOMP] = FX_rgb_scale_5[ *texel & 0x1F]; - rgba[ACOMP] = (*texel >> 15) * 255; -} - - -static void -fetch_a8r8g8b8(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - const GLuint *texel; - - i = i * mml->wScale; - j = j * mml->hScale; - - texel = ((GLuint *) texImage->Data) + j * mml->width + i; - rgba[RCOMP] = (((*texel) >> 16) & 0xff); - rgba[GCOMP] = (((*texel) >> 8) & 0xff); - rgba[BCOMP] = (((*texel) ) & 0xff); - rgba[ACOMP] = (((*texel) >> 24) & 0xff); -} - - -static void -fetch_rgb_fxt1(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - - i = i * mml->wScale; - j = j * mml->hScale; - - fxt1_decode_1(texImage->Data, mml->width, i, j, rgba); - rgba[ACOMP] = 255; -} - - -static void -fetch_rgba_fxt1(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - - i = i * mml->wScale; - j = j * mml->hScale; - - fxt1_decode_1(texImage->Data, mml->width, i, j, rgba); -} - - -static void -fetch_rgb_dxt1(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - - i = i * mml->wScale; - j = j * mml->hScale; - - _mesa_texformat_rgb_dxt1.FetchTexel2D(texImage, i, j, k, rgba); -} - - -static void -fetch_rgba_dxt1(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - - i = i * mml->wScale; - j = j * mml->hScale; - - _mesa_texformat_rgba_dxt1.FetchTexel2D(texImage, i, j, k, rgba); -} - - -static void -fetch_rgba_dxt3(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - - i = i * mml->wScale; - j = j * mml->hScale; - - _mesa_texformat_rgba_dxt3.FetchTexel2D(texImage, i, j, k, rgba); -} - - -static void -fetch_rgba_dxt5(const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *rgba) -{ - const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage); - - i = i * mml->wScale; - j = j * mml->hScale; - - _mesa_texformat_rgba_dxt5.FetchTexel2D(texImage, i, j, k, rgba); -} - - -#if 0 /* break glass in case of emergency */ -static void -PrintTexture(int w, int h, int c, const GLubyte * data) -{ - int i, j; - for (i = 0; i < h; i++) { - for (j = 0; j < w; j++) { - if (c == 2) - fprintf(stderr, "%02x %02x ", data[0], data[1]); - else if (c == 3) - fprintf(stderr, "%02x %02x %02x ", data[0], data[1], data[2]); - data += c; - } - fprintf(stderr, "\n"); - } -} -#endif - - -gl_format -fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat, - GLenum srcFormat, GLenum srcType ) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GLboolean allow32bpt = fxMesa->HaveTexFmt; - - if (TDFX_DEBUG & VERBOSE_TEXTURE) { - fprintf(stderr, "fxDDChooseTextureFormat(...)\n"); - } - - switch (internalFormat) { - case GL_COMPRESSED_RGB: - /* intentional fall through */ - case 3: - case GL_RGB: - if ( srcFormat == GL_RGB && srcType == GL_UNSIGNED_SHORT_5_6_5 ) { - return MESA_FORMAT_RGB565; - } - /* intentional fall through */ - case GL_RGB8: - case GL_RGB10: - case GL_RGB12: - case GL_RGB16: - return (allow32bpt) ? MESA_FORMAT_ARGB8888 - : MESA_FORMAT_RGB565; - case GL_RGBA2: - case GL_RGBA4: - return MESA_FORMAT_ARGB4444; - case GL_COMPRESSED_RGBA: - /* intentional fall through */ - case 4: - case GL_RGBA: - if ( srcFormat == GL_BGRA ) { - if ( srcType == GL_UNSIGNED_INT_8_8_8_8_REV ) { - return MESA_FORMAT_ARGB8888; - } - else if ( srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV ) { - return MESA_FORMAT_ARGB4444; - } - else if ( srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV ) { - return MESA_FORMAT_ARGB1555; - } - } - /* intentional fall through */ - case GL_RGBA8: - case GL_RGB10_A2: - case GL_RGBA12: - case GL_RGBA16: - return (allow32bpt) ? MESA_FORMAT_ARGB8888 - : MESA_FORMAT_ARGB4444; - case GL_INTENSITY: - case GL_INTENSITY4: - case GL_INTENSITY8: - case GL_INTENSITY12: - case GL_INTENSITY16: - case GL_COMPRESSED_INTENSITY: - return MESA_FORMAT_I8; - case 1: - case GL_LUMINANCE: - case GL_LUMINANCE4: - case GL_LUMINANCE8: - case GL_LUMINANCE12: - case GL_LUMINANCE16: - case GL_COMPRESSED_LUMINANCE: - return MESA_FORMAT_L8; - case GL_ALPHA: - case GL_ALPHA4: - case GL_ALPHA8: - case GL_ALPHA12: - case GL_ALPHA16: - case GL_COMPRESSED_ALPHA: - return MESA_FORMAT_A8; - 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_FORMAT_CI8; - case 2: - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE4_ALPHA4: - case GL_LUMINANCE6_ALPHA2: - case GL_LUMINANCE8_ALPHA8: - case GL_LUMINANCE12_ALPHA4: - case GL_LUMINANCE12_ALPHA12: - case GL_LUMINANCE16_ALPHA16: - case GL_COMPRESSED_LUMINANCE_ALPHA: - return MESA_FORMAT_AL88; - case GL_R3_G3_B2: - case GL_RGB4: - case GL_RGB5: - return MESA_FORMAT_RGB565; - case GL_RGB5_A1: - return MESA_FORMAT_ARGB1555; - /* GL_EXT_texture_compression_s3tc */ - /* GL_S3_s3tc */ - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_RGB_S3TC: - case GL_RGB4_S3TC: - return MESA_FORMAT_RGB_DXT1; - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - return MESA_FORMAT_RGBA_DXT1; - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - case GL_RGBA_S3TC: - case GL_RGBA4_S3TC: - return MESA_FORMAT_RGBA_DXT3; - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - return MESA_FORMAT_RGBA_DXT5; - /* GL_3DFX_texture_compression_FXT1 */ - case GL_COMPRESSED_RGB_FXT1_3DFX: - return MESA_FORMAT_RGB_FXT1; - case GL_COMPRESSED_RGBA_FXT1_3DFX: - return MESA_FORMAT_RGBA_FXT1; - default: - _mesa_problem(NULL, "unexpected format in fxDDChooseTextureFormat"); - return MESA_FORMAT_NONE; - } -} - - -static GrTextureFormat_t -fxGlideFormat(GLint mesaFormat) -{ - switch (mesaFormat) { - case MESA_FORMAT_I8: - return GR_TEXFMT_ALPHA_8; - case MESA_FORMAT_A8: - return GR_TEXFMT_ALPHA_8; - case MESA_FORMAT_L8: - return GR_TEXFMT_INTENSITY_8; - case MESA_FORMAT_CI8: - return GR_TEXFMT_P_8; - case MESA_FORMAT_AL88: - return GR_TEXFMT_ALPHA_INTENSITY_88; - case MESA_FORMAT_RGB565: - return GR_TEXFMT_RGB_565; - case MESA_FORMAT_ARGB4444: - return GR_TEXFMT_ARGB_4444; - case MESA_FORMAT_ARGB1555: - return GR_TEXFMT_ARGB_1555; - case MESA_FORMAT_ARGB8888: - return GR_TEXFMT_ARGB_8888; - case MESA_FORMAT_RGB_FXT1: - case MESA_FORMAT_RGBA_FXT1: - return GR_TEXFMT_ARGB_CMP_FXT1; - case MESA_FORMAT_RGB_DXT1: - case MESA_FORMAT_RGBA_DXT1: - return GR_TEXFMT_ARGB_CMP_DXT1; - case MESA_FORMAT_RGBA_DXT3: - return GR_TEXFMT_ARGB_CMP_DXT3; - case MESA_FORMAT_RGBA_DXT5: - return GR_TEXFMT_ARGB_CMP_DXT5; - default: - _mesa_problem(NULL, "Unexpected format in fxGlideFormat"); - return 0; - } -} - - -static FetchTexelFuncC -fxFetchFunction(GLint mesaFormat) -{ - switch (mesaFormat) { - case MESA_FORMAT_I8: - return &fetch_intensity8; - case MESA_FORMAT_A8: - return &fetch_alpha8; - case MESA_FORMAT_L8: - return &fetch_luminance8; - case MESA_FORMAT_CI8: - return &fetch_index8; - case MESA_FORMAT_AL88: - return &fetch_luminance8_alpha8; - case MESA_FORMAT_RGB565: - return &fetch_r5g6b5; - case MESA_FORMAT_ARGB4444: - return &fetch_r4g4b4a4; - case MESA_FORMAT_ARGB1555: - return &fetch_r5g5b5a1; - case MESA_FORMAT_ARGB8888: - return &fetch_a8r8g8b8; - case MESA_FORMAT_RGB_FXT1: - return &fetch_rgb_fxt1; - case MESA_FORMAT_RGBA_FXT1: - return &fetch_rgba_fxt1; - case MESA_FORMAT_RGB_DXT1: - return &fetch_rgb_dxt1; - case MESA_FORMAT_RGBA_DXT1: - return &fetch_rgba_dxt1; - case MESA_FORMAT_RGBA_DXT3: - return &fetch_rgba_dxt3; - case MESA_FORMAT_RGBA_DXT5: - return &fetch_rgba_dxt5; - default: - _mesa_problem(NULL, "Unexpected format in fxFetchFunction"); - return NULL; - } -} - - -static GLboolean -adjust2DRatio (GLcontext *ctx, - GLint xoffset, GLint yoffset, - GLint width, GLint height, - GLenum format, GLenum type, const GLvoid *pixels, - const struct gl_pixelstore_attrib *packing, - tfxMipMapLevel *mml, - struct gl_texture_image *texImage, - GLint texelBytes, - GLint dstRowStride) -{ - const GLint newWidth = width * mml->wScale; - const GLint newHeight = height * mml->hScale; - GLvoid *tempImage; - - if (!_mesa_is_format_compressed(texImage->TexFormat)) { - GLubyte *destAddr; - - tempImage = MALLOC(width * height * texelBytes); - if (!tempImage) { - return GL_FALSE; - } - - _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, tempImage, - 0, 0, 0, /* dstX/Y/Zoffset */ - width * texelBytes, /* dstRowStride */ - 0, /* dstImageStride */ - width, height, 1, - format, type, pixels, packing); - - /* now rescale */ - /* compute address of dest subimage within the overal tex image */ - destAddr = (GLubyte *) texImage->Data - + (yoffset * mml->hScale * mml->width - + xoffset * mml->wScale) * texelBytes; - - _mesa_rescale_teximage2d(texelBytes, - width, - dstRowStride, /* dst stride */ - width, height, - newWidth, newHeight, - tempImage, destAddr); - } else { - const GLint rawBytes = 4; - GLvoid *rawImage = MALLOC(width * height * rawBytes); - - if (!rawImage) { - return GL_FALSE; - } - tempImage = MALLOC(newWidth * newHeight * rawBytes); - if (!tempImage) { - return GL_FALSE; - } - /* unpack image, apply transfer ops and store in rawImage */ - _mesa_texstore(ctx, 2, GL_RGBA, - &_mesa_texformat_rgba8888_rev, rawImage, - 0, 0, 0, /* dstX/Y/Zoffset */ - width * rawBytes, /* dstRowStride */ - 0, /* dstImageStride */ - width, height, 1, - format, type, pixels, packing); - _mesa_rescale_teximage2d(rawBytes, - width, - newWidth * rawBytes, /* dst stride */ - width, height, /* src */ - newWidth, newHeight, /* dst */ - rawImage /*src*/, tempImage /*dst*/ ); - _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, texImage->Data, - xoffset * mml->wScale, yoffset * mml->hScale, 0, /* dstX/Y/Zoffset */ - dstRowStride, - 0, /* dstImageStride */ - newWidth, newHeight, 1, - GL_RGBA, CHAN_TYPE, tempImage, &ctx->DefaultPacking); - FREE(rawImage); - } - - FREE(tempImage); - - return GL_TRUE; -} - - -void -fxDDTexImage2D(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) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti; - tfxMipMapLevel *mml; - GLint texelBytes, dstRowStride; - - if (TDFX_DEBUG & VERBOSE_TEXTURE) { - fprintf(stderr, "fxDDTexImage2D: id=%d int 0x%x format 0x%x type 0x%x %dx%d\n", - texObj->Name, texImage->InternalFormat, format, type, - texImage->Width, texImage->Height); - } - - if (!fxIsTexSupported(target, internalFormat, texImage)) { - _mesa_problem(NULL, "fx Driver: unsupported texture in fxDDTexImg()\n"); - return; - } - - if (!texObj->DriverData) { - texObj->DriverData = fxAllocTexObjData(fxMesa); - if (!texObj->DriverData) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); - return; - } - } - ti = fxTMGetTexInfo(texObj); - - if (!texImage->DriverData) { - texImage->DriverData = CALLOC(sizeof(tfxMipMapLevel)); - if (!texImage->DriverData) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); - return; - } - } - mml = FX_MIPMAP_DATA(texImage); - - fxTexGetInfo(width, height, NULL, NULL, NULL, NULL, - &mml->wScale, &mml->hScale); - - mml->width = width * mml->wScale; - mml->height = height * mml->hScale; - -#if FX_COMPRESS_S3TC_AS_FXT1_HACK - /* [koolsmoky] substitute FXT1 for DXTn and Legacy S3TC */ - if (!ctx->Mesa_DXTn && _mesa_is_format_compressed(texImage->TexFormat)) { - switch (internalFormat) { - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - case GL_RGB_S3TC: - case GL_RGB4_S3TC: - internalFormat = GL_COMPRESSED_RGB_FXT1_3DFX; - break; - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - case GL_RGBA_S3TC: - case GL_RGBA4_S3TC: - internalFormat = GL_COMPRESSED_RGBA_FXT1_3DFX; - } - texImage->InternalFormat = internalFormat; - } -#endif -#if FX_TC_NAPALM - if (fxMesa->type >= GR_SSTTYPE_Voodoo4) { - GLenum texNapalm = 0; - if (internalFormat == GL_COMPRESSED_RGB) { - texNapalm = GL_COMPRESSED_RGB_FXT1_3DFX; - } else if (internalFormat == GL_COMPRESSED_RGBA) { - texNapalm = GL_COMPRESSED_RGBA_FXT1_3DFX; - } - if (texNapalm) { - texImage->InternalFormat = internalFormat = texNapalm; - } - } -#endif - - texelBytes = _mesa_get_format_bytes(texImage->TexFormat->MesaFormat); - /*if (!fxMesa->HaveTexFmt) assert(texelBytes == 1 || texelBytes == 2);*/ - - mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat); - - /* allocate mipmap buffer */ - assert(!texImage->Data); - if (_mesa_is_format_compressed(texImage->TexFormat)) { - texImage->CompressedSize = _mesa_format_image_size(texImage->TexFormat, - mml->width, - mml->height, 1); - dstRowStride = _mesa_format_row_stride(texImage->TexFormat, mml->width); - texImage->Data = malloc(texImage->CompressedSize); - } else { - dstRowStride = mml->width * texelBytes; - texImage->Data = malloc(mml->width * mml->height * texelBytes); - } - if (!texImage->Data) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); - return; - } - - if (pixels != NULL) { - if (mml->wScale != 1 || mml->hScale != 1) { - /* rescale image to overcome 1:8 aspect limitation */ - if (!adjust2DRatio(ctx, - 0, 0, - width, height, - format, type, pixels, - packing, - mml, - texImage, - texelBytes, - dstRowStride) - ) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); - return; - } - } - else { - /* no rescaling needed */ - /* unpack image, apply transfer ops and store in texImage->Data */ - _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, texImage->Data, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - 0, /* dstImageStride */ - width, height, 1, - format, type, pixels, packing); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - GLint mipWidth, mipHeight; - tfxMipMapLevel *mip; - struct gl_texture_image *mipImage; - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - const GLint maxLevels = _mesa_max_texture_levels(ctx, texObj->Target); - - assert(!_mesa_is_format_compressed(texImage->TexFormat)); - - while (level < texObj->MaxLevel && level < maxLevels - 1) { - mipWidth = width / 2; - if (!mipWidth) { - mipWidth = 1; - } - mipHeight = height / 2; - if (!mipHeight) { - mipHeight = 1; - } - if ((mipWidth == width) && (mipHeight == height)) { - break; - } - _mesa_TexImage2D(target, ++level, internalFormat, - mipWidth, mipHeight, border, - format, type, - NULL); - mipImage = _mesa_select_tex_image(ctx, texUnit, target, level); - mip = FX_MIPMAP_DATA(mipImage); - _mesa_halve2x2_teximage2d(ctx, - texImage, - texelBytes, - mml->width, mml->height, - texImage->Data, mipImage->Data); - texImage = mipImage; - mml = mip; - width = mipWidth; - height = mipHeight; - } - } - } - - ti->info.format = mml->glideFormat; - texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat); - - fxTexInvalidate(ctx, texObj); -} - - -void -fxDDTexSubImage2D(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) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti; - tfxMipMapLevel *mml; - GLint texelBytes, dstRowStride; - - if (TDFX_DEBUG & VERBOSE_TEXTURE) { - fprintf(stderr, "fxDDTexSubImage2D: id=%d\n", texObj->Name); - } - - if (!texObj->DriverData) { - _mesa_problem(ctx, "problem in fxDDTexSubImage2D"); - return; - } - - ti = fxTMGetTexInfo(texObj); - assert(ti); - mml = FX_MIPMAP_DATA(texImage); - assert(mml); - - assert(texImage->Data); /* must have an existing texture image! */ - assert(texImage->_BaseFormat); - - texelBytes = _mesa_get_format_bytes(texImage->TexFormat->MesaFormat); - if (_mesa_is_format_compressed(texImage->TexFormat)) { - dstRowStride = _mesa_format_row_stride(texImage->TexFormat, mml->width); - } else { - dstRowStride = mml->width * texelBytes; - } - - if (mml->wScale != 1 || mml->hScale != 1) { - /* need to rescale subimage to match mipmap level's rescale factors */ - if (!adjust2DRatio(ctx, - xoffset, yoffset, - width, height, - format, type, pixels, - packing, - mml, - texImage, - texelBytes, - dstRowStride) - ) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D"); - return; - } - } - else { - /* no rescaling needed */ - _mesa_texstore(ctx, 2, texImage->_BaseFormat, - texImage->TexFormat, (GLubyte *) texImage->Data, - xoffset, yoffset, 0, /* dstX/Y/Zoffset */ - dstRowStride, - 0, /* dstImageStride */ - width, height, 1, - format, type, pixels, packing); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - GLint mipWidth, mipHeight; - tfxMipMapLevel *mip; - struct gl_texture_image *mipImage; - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - const GLint maxLevels = _mesa_max_texture_levels(ctx, texObj->Target); - - assert(!_mesa_is_format_compressed(texImage->TexFormat)); - - width = texImage->Width; - height = texImage->Height; - while (level < texObj->MaxLevel && level < maxLevels - 1) { - mipWidth = width / 2; - if (!mipWidth) { - mipWidth = 1; - } - mipHeight = height / 2; - if (!mipHeight) { - mipHeight = 1; - } - if ((mipWidth == width) && (mipHeight == height)) { - break; - } - ++level; - mipImage = _mesa_select_tex_image(ctx, texUnit, target, level); - mip = FX_MIPMAP_DATA(mipImage); - _mesa_halve2x2_teximage2d(ctx, - texImage, - texelBytes, - mml->width, mml->height, - texImage->Data, mipImage->Data); - texImage = mipImage; - mml = mip; - width = mipWidth; - height = mipHeight; - } - } - - if (ti->validated && ti->isInTM && !texObj->GenerateMipmap) - fxTMReloadMipMapLevel(fxMesa, texObj, level); - else - fxTexInvalidate(ctx, texObj); -} - - -void -fxDDCompressedTexImage2D (GLcontext *ctx, GLenum target, - GLint level, GLint internalFormat, - GLsizei width, GLsizei height, GLint border, - GLsizei imageSize, const GLvoid *data, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti; - tfxMipMapLevel *mml; - - if (TDFX_DEBUG & VERBOSE_TEXTURE) { - fprintf(stderr, "fxDDCompressedTexImage2D: id=%d int 0x%x %dx%d\n", - texObj->Name, internalFormat, - width, height); - } - - assert(_mesa_is_format_compressed(texImage->TexFormat)); - - if (!fxIsTexSupported(target, internalFormat, texImage)) { - _mesa_problem(NULL, "fx Driver: unsupported texture in fxDDCompressedTexImg()\n"); - return; - } - - if (!texObj->DriverData) { - texObj->DriverData = fxAllocTexObjData(fxMesa); - if (!texObj->DriverData) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D"); - return; - } - } - ti = fxTMGetTexInfo(texObj); - - if (!texImage->DriverData) { - texImage->DriverData = CALLOC(sizeof(tfxMipMapLevel)); - if (!texImage->DriverData) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D"); - return; - } - } - mml = FX_MIPMAP_DATA(texImage); - - fxTexGetInfo(width, height, NULL, NULL, NULL, NULL, - &mml->wScale, &mml->hScale); - - mml->width = width * mml->wScale; - mml->height = height * mml->hScale; - - /* Determine the appropriate Glide texel format, - * given the user's internal texture format hint. - */ - mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat); - - /* allocate new storage for texture image, if needed */ - if (!texImage->Data) { - texImage->CompressedSize = _mesa_format_image_size(texImage->TexFormat, - mml->width, - mml->height, 1); - texImage->Data = malloc(texImage->CompressedSize); - if (!texImage->Data) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D"); - return; - } - } - - /* save the texture data */ - if (mml->wScale != 1 || mml->hScale != 1) { - /* [dBorca] Hack alert: - * now we're screwed. We can't decompress, - * unless we do it in HW (via textureBuffer). - * We still have some chances: - * 1) we got FXT1 textures - we CAN decompress, rescale for - * aspectratio, then compress back. - * 2) there is a chance that MIN("s", "t") won't be overflowed. - * Thus, we don't care about textureclamp and we could lower - * MIN("uscale", "vscale") below 32. We still have to have - * our data aligned inside a 8:1 rectangle. - * 3) just in case if MIN("s", "t") gets overflowed with GL_REPEAT, - * we replicate the data over the padded area. - * For now, we take 2) + 3) but texelfetchers will be wrong! - */ - GLuint srcRowStride = _mesa_format_row_stride(texImage->TexFormat, width); - - GLuint destRowStride = _mesa_format_row_stride(texImage->TexFormat, - mml->width); - - _mesa_upscale_teximage2d(srcRowStride, (height+3) / 4, - destRowStride, (mml->height+3) / 4, - 1, data, srcRowStride, - texImage->Data); - ti->padded = GL_TRUE; - } else { - memcpy(texImage->Data, data, texImage->CompressedSize); - } - - ti->info.format = mml->glideFormat; - texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat); - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - assert(!_mesa_is_format_compressed(texImage->TexFormat)); - } - - fxTexInvalidate(ctx, texObj); -} - - -void -fxDDCompressedTexSubImage2D( GLcontext *ctx, GLenum target, - GLint level, GLint xoffset, - GLint yoffset, GLsizei width, - GLint height, GLenum format, - GLsizei imageSize, const GLvoid *data, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage ) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - tfxTexInfo *ti; - tfxMipMapLevel *mml; - GLint destRowStride, srcRowStride; - GLint i, rows; - GLubyte *dest; - - if (TDFX_DEBUG & VERBOSE_TEXTURE) { - fprintf(stderr, "fxDDCompressedTexSubImage2D: id=%d\n", texObj->Name); - } - - ti = fxTMGetTexInfo(texObj); - assert(ti); - mml = FX_MIPMAP_DATA(texImage); - assert(mml); - - srcRowStride = _mesa_format_row_stride(texImage->TexFormat, width); - - destRowStride = _mesa_format_row_stride(texImage->TexFormat, mml->width); - dest = _mesa_compressed_image_address(xoffset, yoffset, 0, - texImage->InternalFormat, - mml->width, - (GLubyte*) texImage->Data); - - rows = height / 4; /* hardcoded 4, but works for FXT1/DXTC */ - - for (i = 0; i < rows; i++) { - memcpy(dest, data, srcRowStride); - dest += destRowStride; - data = (GLvoid *)((GLuint)data + (GLuint)srcRowStride); - } - - /* [dBorca] Hack alert: - * see fxDDCompressedTexImage2D for caveats - */ - if (mml->wScale != 1 || mml->hScale != 1) { - srcRowStride = _mesa_format_row_stride(texImage->TexFormat, texImage->Width); - - destRowStride = _mesa_format_row_stride(texImage->TexFormat, mml->width); - _mesa_upscale_teximage2d(srcRowStride, texImage->Height / 4, - destRowStride, mml->height / 4, - 1, texImage->Data, destRowStride, - texImage->Data); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - assert(!_mesa_is_format_compressed(texImage->TexFormat)); - } - - if (ti->validated && ti->isInTM) - fxTMReloadMipMapLevel(fxMesa, texObj, level); - else - fxTexInvalidate(ctx, texObj); -} - - -void -fxDDTexImage1D (GLcontext *ctx, GLenum target, GLint level, - GLint internalFormat, GLint width, 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) -{ - fxDDTexImage2D(ctx, target, level, - internalFormat, width, 1, border, - format, type, pixels, - packing, - texObj, - texImage); -} - - -void -fxDDTexSubImage1D(GLcontext * ctx, GLenum target, GLint level, - GLint xoffset, - GLsizei width, - GLenum format, GLenum type, const GLvoid * pixels, - const struct gl_pixelstore_attrib *packing, - struct gl_texture_object *texObj, - struct gl_texture_image *texImage) -{ - fxDDTexSubImage2D(ctx, target, level, - xoffset, 0, width, 1, - format, type, pixels, - packing, - texObj, - texImage); -} - - -GLboolean -fxDDTestProxyTexImage (GLcontext *ctx, GLenum target, - GLint level, GLint internalFormat, - GLenum format, GLenum type, - GLint width, GLint height, - GLint depth, GLint border) -{ - /* XXX todo - maybe through fxTexValidate() */ - return _mesa_test_proxy_teximage(ctx, target, - level, internalFormat, - format, type, - width, height, - depth, border); -} - - -#else /* FX */ - -/* - * Need this to provide at least one external definition. - */ - -extern int gl_fx_dummy_function_ddtex(void); -int -gl_fx_dummy_function_ddtex(void) -{ - return 0; -} - -#endif /* FX */ |