aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_tex.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_tex.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_tex.c1914
1 files changed, 0 insertions, 1914 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_tex.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_tex.c
deleted file mode 100644
index cf4de23b3..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_tex.c
+++ /dev/null
@@ -1,1914 +0,0 @@
-/* -*- mode: c; c-basic-offset: 3 -*-
- *
- * Copyright 2000 VA Linux Systems Inc., Fremont, California.
- *
- * 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS 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.
- */
-/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_tex.c,v 1.7 2002/11/05 17:46:10 tsi Exp $ */
-
-/*
- * New fixes:
- * Daniel Borca <dborca@users.sourceforge.net>, 19 Jul 2004
- *
- * Original rewrite:
- * Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000
- *
- * Authors:
- * Gareth Hughes <gareth@valinux.com>
- * Brian Paul <brianp@valinux.com>
- *
- */
-
-
-#include "enums.h"
-#include "image.h"
-#include "texcompress.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texstore.h"
-#include "texobj.h"
-#include "tdfx_context.h"
-#include "tdfx_tex.h"
-#include "tdfx_texman.h"
-
-
-/* no borders! can't halve 1x1! (stride > width * comp) not allowed */
-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_rgba8888(ctx, 2, GL_RGBA,
- &_mesa_texformat_rgba8888_rev, src,
- 0, 0, 0, /* dstX/Y/Zoffset */
- srcRowStride, /* dstRowStride */
- 0, /* dstImageStride */
- srcWidth, srcHeight, 1,
- texImage->Format, _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;
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
- 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);
- }
-}
-
-
-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;
- }
-}
-
-
-/*
- * Compute various texture image parameters.
- * Input: w, h - source texture width and height
- * Output: lodlevel - Glide lod level token for the larger texture dimension
- * aspectratio - 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
- *
- * Sample results:
- * w h lodlevel aspectRatio
- * 128 128 GR_LOD_LOG2_128 (=7) GR_ASPECT_LOG2_1x1 (=0)
- * 64 64 GR_LOD_LOG2_64 (=6) GR_ASPECT_LOG2_1x1 (=0)
- * 64 32 GR_LOD_LOG2_64 (=6) GR_ASPECT_LOG2_2x1 (=1)
- * 32 64 GR_LOD_LOG2_64 (=6) GR_ASPECT_LOG2_1x2 (=-1)
- * 32 32 GR_LOD_LOG2_32 (=5) GR_ASPECT_LOG2_1x1 (=0)
- */
-static void
-tdfxTexGetInfo(const GLcontext *ctx, int w, int h,
- GrLOD_t *lodlevel, GrAspectRatio_t *aspectratio,
- float *sscale, float *tscale,
- int *wscale, int *hscale)
-{
- int logw, logh, ar, lod, ws, hs;
- float s, t;
-
- ASSERT(w >= 1);
- ASSERT(h >= 1);
-
- logw = logbase2(w);
- logh = logbase2(h);
- ar = logw - logh; /* aspect ratio = difference in log dimensions */
- s = t = 256.0;
- ws = hs = 1;
-
- /* Hardware only allows a maximum aspect ratio of 8x1, so handle
- |ar| > 3 by scaling the image and using an 8x1 aspect ratio */
- if (ar >= 0) {
- ASSERT(w >= h);
- lod = logw;
- if (ar <= GR_ASPECT_LOG2_8x1) {
- t = 256 >> ar;
- }
- else {
- /* have to stretch image height */
- t = 32.0;
- hs = 1 << (ar - 3);
- ar = GR_ASPECT_LOG2_8x1;
- }
- }
- else {
- ASSERT(w < h);
- lod = logh;
- if (ar >= GR_ASPECT_LOG2_1x8) {
- s = 256 >> -ar;
- }
- else {
- /* have to stretch image width */
- s = 32.0;
- ws = 1 << (-ar - 3);
- ar = GR_ASPECT_LOG2_1x8;
- }
- }
-
- if (lodlevel)
- *lodlevel = (GrLOD_t) lod;
- if (aspectratio)
- *aspectratio = (GrAspectRatio_t) ar;
- if (sscale)
- *sscale = s;
- if (tscale)
- *tscale = t;
- if (wscale)
- *wscale = ws;
- if (hscale)
- *hscale = hs;
-}
-
-
-/*
- * We need to call this when a texture object's minification filter
- * or texture image sizes change.
- */
-static void RevalidateTexture(GLcontext *ctx, struct gl_texture_object *tObj)
-{
- tdfxTexInfo *ti = TDFX_TEXTURE_DATA(tObj);
- GLint minl, maxl;
-
- if (!ti)
- return;
-
- minl = maxl = tObj->BaseLevel;
-
- if (tObj->Image[0][minl]) {
- maxl = MIN2(tObj->MaxLevel, tObj->Image[0][minl]->MaxLog2);
-
- /* compute largeLodLog2, aspect ratio and texcoord scale factors */
- tdfxTexGetInfo(ctx, tObj->Image[0][minl]->Width, tObj->Image[0][minl]->Height,
- &ti->info.largeLodLog2,
- &ti->info.aspectRatioLog2,
- &(ti->sScale), &(ti->tScale), NULL, NULL);
- }
-
- if (tObj->Image[0][maxl] && (tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR)) {
- /* mipmapping: need to compute smallLodLog2 */
- tdfxTexGetInfo(ctx, tObj->Image[0][maxl]->Width,
- tObj->Image[0][maxl]->Height,
- &ti->info.smallLodLog2, NULL,
- NULL, NULL, NULL, NULL);
- }
- else {
- /* not mipmapping: smallLodLog2 = largeLodLog2 */
- ti->info.smallLodLog2 = ti->info.largeLodLog2;
- maxl = minl;
- }
-
- ti->minLevel = minl;
- ti->maxLevel = maxl;
- ti->info.data = NULL;
-
- /* this is necessary because of fxDDCompressedTexImage2D */
- if (ti->padded) {
- struct gl_texture_image *texImage = tObj->Image[0][minl];
- tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
- if (mml->wScale != 1 || mml->hScale != 1) {
- ti->sScale /= mml->wScale;
- ti->tScale /= mml->hScale;
- }
- }
-}
-
-
-static tdfxTexInfo *
-fxAllocTexObjData(tdfxContextPtr fxMesa)
-{
- tdfxTexInfo *ti;
-
- if (!(ti = CALLOC(sizeof(tdfxTexInfo)))) {
- _mesa_problem(NULL, "tdfx driver: out of memory");
- return NULL;
- }
-
- ti->isInTM = GL_FALSE;
-
- ti->whichTMU = TDFX_TMU_NONE;
-
- ti->tm[TDFX_TMU0] = NULL;
- ti->tm[TDFX_TMU1] = NULL;
-
- ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
- ti->magFilt = GR_TEXTUREFILTER_BILINEAR;
-
- ti->sClamp = GR_TEXTURECLAMP_WRAP;
- ti->tClamp = GR_TEXTURECLAMP_WRAP;
-
- ti->mmMode = GR_MIPMAP_NEAREST;
- ti->LODblend = FXFALSE;
-
- return ti;
-}
-
-
-/*
- * Called via glBindTexture.
- */
-static void
-tdfxBindTexture(GLcontext * ctx, GLenum target,
- struct gl_texture_object *tObj)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- tdfxTexInfo *ti;
-
- if (MESA_VERBOSE & VERBOSE_DRIVER) {
- fprintf(stderr, "fxmesa: fxDDTexBind(%d,%p)\n", tObj->Name,
- tObj->DriverData);
- }
-
- if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
- return;
-
- if (!tObj->DriverData) {
- tObj->DriverData = fxAllocTexObjData(fxMesa);
- }
-
- ti = TDFX_TEXTURE_DATA(tObj);
- ti->lastTimeUsed = fxMesa->texBindNumber++;
-
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
-}
-
-
-/*
- * Called via glTexEnv.
- */
-static void
-tdfxTexEnv(GLcontext * ctx, GLenum target, GLenum pname,
- const GLfloat * param)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
-
- if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) {
- if (param)
- fprintf(stderr, "fxmesa: texenv(%x,%x)\n", pname,
- (GLint) (*param));
- else
- fprintf(stderr, "fxmesa: texenv(%x)\n", pname);
- }
-
- /* XXX this is a bit of a hack to force the Glide texture
- * state to be updated.
- */
- fxMesa->TexState.EnvMode[ctx->Texture.CurrentUnit] = 0;
-
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
-}
-
-
-/*
- * Called via glTexParameter.
- */
-static void
-tdfxTexParameter(GLcontext * ctx, GLenum target,
- struct gl_texture_object *tObj,
- GLenum pname, const GLfloat * params)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- GLenum param = (GLenum) (GLint) params[0];
- tdfxTexInfo *ti;
-
- if (MESA_VERBOSE & VERBOSE_DRIVER) {
- fprintf(stderr, "fxmesa: fxDDTexParam(%d,%p,%x,%x)\n", tObj->Name,
- tObj->DriverData, pname, param);
- }
-
- if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
- return;
-
- if (!tObj->DriverData)
- tObj->DriverData = fxAllocTexObjData(fxMesa);
-
- ti = TDFX_TEXTURE_DATA(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:
- if (!fxMesa->Glide.HaveCombineExt) {
- 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;
- }
- /* XXX Voodoo3/Banshee mipmap blending seems to produce
- * incorrectly filtered colors for the smallest mipmap levels.
- * To work-around we fall-through here and use a different filter.
- */
- 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:
- if (!fxMesa->Glide.HaveCombineExt) {
- 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;
- }
- /* XXX Voodoo3/Banshee mipmap blending seems to produce
- * incorrectly filtered colors for the smallest mipmap levels.
- * To work-around we fall-through here and use a different filter.
- */
- case GL_LINEAR_MIPMAP_NEAREST:
- ti->mmMode = GR_MIPMAP_NEAREST;
- ti->minFilt = GR_TEXTUREFILTER_BILINEAR;
- ti->LODblend = FXFALSE;
- break;
- default:
- break;
- }
- ti->reloadImages = GL_TRUE;
- RevalidateTexture(ctx, tObj);
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
- break;
-
- case GL_TEXTURE_MAG_FILTER:
- switch (param) {
- case GL_NEAREST:
- ti->magFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
- break;
- case GL_LINEAR:
- ti->magFilt = GR_TEXTUREFILTER_BILINEAR;
- break;
- default:
- break;
- }
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
- break;
-
- case GL_TEXTURE_WRAP_S:
- switch (param) {
- case GL_CLAMP_TO_BORDER:
- case GL_CLAMP_TO_EDGE:
- case GL_CLAMP:
- ti->sClamp = GR_TEXTURECLAMP_CLAMP;
- break;
- case GL_REPEAT:
- ti->sClamp = GR_TEXTURECLAMP_WRAP;
- break;
- case GL_MIRRORED_REPEAT:
- ti->sClamp = GR_TEXTURECLAMP_MIRROR_EXT;
- break;
- default:
- break;
- }
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
- break;
-
- case GL_TEXTURE_WRAP_T:
- switch (param) {
- case GL_CLAMP_TO_BORDER:
- case GL_CLAMP_TO_EDGE:
- case GL_CLAMP:
- ti->tClamp = GR_TEXTURECLAMP_CLAMP;
- break;
- case GL_REPEAT:
- ti->tClamp = GR_TEXTURECLAMP_WRAP;
- break;
- case GL_MIRRORED_REPEAT:
- ti->tClamp = GR_TEXTURECLAMP_MIRROR_EXT;
- break;
- default:
- break;
- }
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
- 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:
- RevalidateTexture(ctx, tObj);
- break;
- case GL_TEXTURE_MAX_LEVEL:
- RevalidateTexture(ctx, tObj);
- break;
-
- default:
- break;
- }
-}
-
-
-/*
- * Called via glDeleteTextures to delete a texture object.
- * Here, we delete the Glide data associated with the texture.
- */
-static void
-tdfxDeleteTexture(GLcontext * ctx, struct gl_texture_object *tObj)
-{
- if (ctx && ctx->DriverCtx) {
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- tdfxTMFreeTexture(fxMesa, tObj);
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
- /* Free mipmap images and the texture object itself */
- _mesa_delete_texture_object(ctx, tObj);
- }
-}
-
-
-/*
- * Return true if texture is resident, false otherwise.
- */
-static GLboolean
-tdfxIsTextureResident(GLcontext *ctx, struct gl_texture_object *tObj)
-{
- tdfxTexInfo *ti = TDFX_TEXTURE_DATA(tObj);
- return (GLboolean) (ti && ti->isInTM);
-}
-
-
-
-/*
- * Convert a gl_color_table texture palette to Glide's format.
- */
-static GrTexTable_t
-convertPalette(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->Format) {
- 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 GR_TEXTABLE_PALETTE_6666_EXT;
- 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 GR_TEXTABLE_PALETTE_6666_EXT;
- 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 GR_TEXTABLE_PALETTE_6666_EXT;
- 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 GR_TEXTABLE_PALETTE_6666_EXT;
- default:
- /* XXX fixme: how can this happen? */
- _mesa_error(NULL, GL_INVALID_ENUM, "convertPalette: table->Format == %s",
- _mesa_lookup_enum_by_nr(table->Format));
- return GR_TEXTABLE_PALETTE;
- }
-}
-
-
-
-static void
-tdfxUpdateTexturePalette(GLcontext * ctx, struct gl_texture_object *tObj)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
-
- if (tObj) {
- /* per-texture palette */
- tdfxTexInfo *ti;
-
- /* This might be a proxy texture. */
- if (!tObj->Palette.Table)
- return;
-
- if (!tObj->DriverData)
- tObj->DriverData = fxAllocTexObjData(fxMesa);
- ti = TDFX_TEXTURE_DATA(tObj);
- assert(ti);
- ti->paltype = convertPalette(ti->palette.data, &tObj->Palette);
- /*tdfxTexInvalidate(ctx, tObj);*/
- }
- else {
- /* global texture palette */
- fxMesa->TexPalette.Type = convertPalette(fxMesa->glbPalette.data, &ctx->Texture.Palette);
- fxMesa->TexPalette.Data = &(fxMesa->glbPalette.data);
- fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PALETTE;
- }
- fxMesa->new_state |= TDFX_NEW_TEXTURE; /* XXX too heavy-handed */
-}
-
-
-/**********************************************************************/
-/**** NEW TEXTURE IMAGE FUNCTIONS ****/
-/**********************************************************************/
-
-#if 000
-static FxBool TexusFatalError = FXFALSE;
-static FxBool TexusError = FXFALSE;
-
-#define TX_DITHER_NONE 0x00000000
-
-static void
-fxTexusError(const char *string, FxBool fatal)
-{
- _mesa_problem(NULL, string);
- /*
- * Just propagate the fatal value up.
- */
- TexusError = FXTRUE;
- TexusFatalError = fatal;
-}
-#endif
-
-
-static const struct gl_texture_format *
-tdfxChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
- GLenum srcFormat, GLenum srcType )
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- const GLboolean allow32bpt = TDFX_IS_NAPALM(fxMesa);
-
- switch (internalFormat) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- case GL_COMPRESSED_ALPHA:
- return &_mesa_texformat_a8;
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- case GL_COMPRESSED_LUMINANCE:
- return &_mesa_texformat_l8;
- 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_texformat_al88;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- case GL_COMPRESSED_INTENSITY:
- return &_mesa_texformat_i8;
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- return &_mesa_texformat_rgb565;
- 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_texformat_rgb565;
- }
- /* intentional fall through */
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return (allow32bpt) ? &_mesa_texformat_argb8888
- : &_mesa_texformat_rgb565;
- case GL_RGBA2:
- case GL_RGBA4:
- return &_mesa_texformat_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_texformat_argb8888;
- }
- else if ( srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV ) {
- return &_mesa_texformat_argb4444;
- }
- else if ( srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
- return &_mesa_texformat_argb1555;
- }
- }
- /* intentional fall through */
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return allow32bpt ? &_mesa_texformat_argb8888
- : &_mesa_texformat_argb4444;
- case GL_RGB5_A1:
- return &_mesa_texformat_argb1555;
- 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;
- /* 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_texformat_rgb_dxt1;
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- return &_mesa_texformat_rgba_dxt1;
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- return &_mesa_texformat_rgba_dxt3;
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return &_mesa_texformat_rgba_dxt5;
- /* GL_3DFX_texture_compression_FXT1 */
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- return &_mesa_texformat_rgb_fxt1;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return &_mesa_texformat_rgba_fxt1;
- default:
- _mesa_problem(ctx, "unexpected format in tdfxChooseTextureFormat");
- return NULL;
- }
-}
-
-
-/*
- * Return the Glide format for the given mesa texture format.
- */
-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;
- }
-}
-
-
-/* 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.
- */
-extern void
-fxt1_decode_1 (const void *texture, int width,
- int i, int j, unsigned char *rgba);
-
-static void
-fetch_intensity8(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan * rgba)
-{
- const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
- const GLushort *texel;
-
- i = i * mml->wScale;
- j = j * mml->hScale;
-
- texel = ((GLushort *) texImage->Data) + j * mml->width + i;
- rgba[RCOMP] = (((*texel) >> 11) & 0x1f) * 255 / 31;
- rgba[GCOMP] = (((*texel) >> 5) & 0x3f) * 255 / 63;
- rgba[BCOMP] = (((*texel) >> 0) & 0x1f) * 255 / 31;
- rgba[ACOMP] = 255;
-}
-
-
-static void
-fetch_r4g4b4a4(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan * rgba)
-{
- const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
- const GLushort *texel;
-
- i = i * mml->wScale;
- j = j * mml->hScale;
-
- texel = ((GLushort *) texImage->Data) + j * mml->width + i;
- rgba[RCOMP] = (((*texel) >> 12) & 0xf) * 255 / 15;
- rgba[GCOMP] = (((*texel) >> 8) & 0xf) * 255 / 15;
- rgba[BCOMP] = (((*texel) >> 4) & 0xf) * 255 / 15;
- rgba[ACOMP] = (((*texel) >> 0) & 0xf) * 255 / 15;
-}
-
-
-static void
-fetch_r5g5b5a1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan * rgba)
-{
- const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
- const GLushort *texel;
-
- i = i * mml->wScale;
- j = j * mml->hScale;
-
- texel = ((GLushort *) texImage->Data) + j * mml->width + i;
- rgba[RCOMP] = (((*texel) >> 11) & 0x1f) * 255 / 31;
- rgba[GCOMP] = (((*texel) >> 6) & 0x1f) * 255 / 31;
- rgba[BCOMP] = (((*texel) >> 1) & 0x1f) * 255 / 31;
- rgba[ACOMP] = (((*texel) >> 0) & 0x01) * 255;
-}
-
-
-static void
-fetch_a8r8g8b8(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan * rgba)
-{
- const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_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 tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
-
- i = i * mml->wScale;
- j = j * mml->hScale;
-
- _mesa_texformat_rgba_dxt5.FetchTexel2D(texImage, i, j, k, rgba);
-}
-
-
-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,
- tdfxMipMapLevel *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 (!texImage->IsCompressed) {
- GLubyte *destAddr;
- tempImage = MALLOC(width * height * texelBytes);
- if (!tempImage) {
- return GL_FALSE;
- }
-
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
- 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_rgba8888(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*/ );
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
- 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;
-}
-
-
-static void
-tdfxTexImage2D(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)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- tdfxTexInfo *ti;
- tdfxMipMapLevel *mml;
- GLint texelBytes, dstRowStride;
-
- /*
- printf("TexImage id=%d int 0x%x format 0x%x type 0x%x %dx%d\n",
- texObj->Name, texImage->IntFormat, format, type,
- texImage->Width, texImage->Height);
- */
-
- ti = TDFX_TEXTURE_DATA(texObj);
- if (!ti) {
- texObj->DriverData = fxAllocTexObjData(fxMesa);
- if (!texObj->DriverData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
- }
- ti = TDFX_TEXTURE_DATA(texObj);
- }
- assert(ti);
-
- mml = TDFX_TEXIMAGE_DATA(texImage);
- if (!mml) {
- texImage->DriverData = CALLOC(sizeof(tdfxMipMapLevel));
- if (!texImage->DriverData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
- }
- mml = TDFX_TEXIMAGE_DATA(texImage);
- }
-
- /* Determine width and height scale factors for texture.
- * Remember, Glide is limited to 8:1 aspect ratios.
- */
- tdfxTexGetInfo(ctx,
- texImage->Width, texImage->Height,
- NULL, /* lod level */
- NULL, /* aspect ratio */
- NULL, NULL, /* sscale, tscale */
- &mml->wScale, &mml->hScale);
-
- /* rescaled size: */
- 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 */
- /* [dBorca] we should update texture's attribute, then,
- * because if the application asks us to decompress, we
- * have to know the REAL format! Also, DXT3/5 might not
- * be correct, since it would mess with "compressedSize".
- * Ditto for GL_RGBA[4]_S3TC, which is always mapped to DXT3.
- */
- if (texImage->IsCompressed) {
- 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->IntFormat = 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->IntFormat = internalFormat = texNapalm;
- texImage->IsCompressed = GL_TRUE;
- }
- }
-#endif
-
- /* choose the texture format */
- assert(ctx->Driver.ChooseTextureFormat);
- texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
- internalFormat, format, type);
- assert(texImage->TexFormat);
- mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat);
- ti->info.format = mml->glideFormat;
- texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
- texelBytes = texImage->TexFormat->TexelBytes;
-
- if (texImage->IsCompressed) {
- texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
- mml->width,
- mml->height,
- 1,
- internalFormat);
- dstRowStride = _mesa_compressed_row_stride(internalFormat, mml->width);
- texImage->Data = _mesa_malloc(texImage->CompressedSize);
- } else {
- dstRowStride = mml->width * texelBytes;
- texImage->Data = _mesa_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 */
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
- 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;
- tdfxMipMapLevel *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(!texImage->IsCompressed);
-
- 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 = TDFX_TEXIMAGE_DATA(mipImage);
- _mesa_halve2x2_teximage2d(ctx,
- texImage,
- texelBytes,
- mml->width, mml->height,
- texImage->Data, mipImage->Data);
- texImage = mipImage;
- mml = mip;
- width = mipWidth;
- height = mipHeight;
- }
- }
- }
-
- RevalidateTexture(ctx, texObj);
-
- ti->reloadImages = GL_TRUE;
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
-}
-
-
-static void
-tdfxTexSubImage2D(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 )
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- tdfxTexInfo *ti;
- tdfxMipMapLevel *mml;
- GLint texelBytes, dstRowStride;
-
- if (!texObj->DriverData) {
- _mesa_problem(ctx, "problem in fxDDTexSubImage2D");
- return;
- }
-
- ti = TDFX_TEXTURE_DATA(texObj);
- assert(ti);
- mml = TDFX_TEXIMAGE_DATA(texImage);
- assert(mml);
-
- assert(texImage->Data); /* must have an existing texture image! */
- assert(texImage->Format);
-
- texelBytes = texImage->TexFormat->TexelBytes;
- if (texImage->IsCompressed) {
- dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, 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 */
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
- texImage->TexFormat, texImage->Data,
- xoffset, yoffset, 0,
- dstRowStride,
- 0, /* dstImageStride */
- width, height, 1,
- format, type, pixels, packing);
- }
-
- /* GL_SGIS_generate_mipmap */
- if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
- GLint mipWidth, mipHeight;
- tdfxMipMapLevel *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(!texImage->IsCompressed);
-
- 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 = TDFX_TEXIMAGE_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->reloadImages = GL_TRUE; /* signal the image needs to be reloaded */
- fxMesa->new_state |= TDFX_NEW_TEXTURE; /* XXX this might be a bit much */
-}
-
-
-static void
-tdfxTexImage1D(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)
-{
- tdfxTexImage2D(ctx, target, level,
- internalFormat, width, 1, border,
- format, type, pixels,
- packing,
- texObj,
- texImage);
-}
-
-static void
-tdfxTexSubImage1D(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 )
-{
- tdfxTexSubImage2D(ctx, target, level,
- xoffset, 0,
- width, 1,
- format, type,
- pixels,
- packing,
- texObj,
- texImage);
-}
-
-/**********************************************************************/
-/**** COMPRESSED TEXTURE IMAGE FUNCTIONS ****/
-/**********************************************************************/
-
-static void
-tdfxCompressedTexImage2D (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)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- tdfxTexInfo *ti;
- tdfxMipMapLevel *mml;
-
- if (TDFX_DEBUG & DEBUG_VERBOSE_DRI) {
- fprintf(stderr, "tdfxCompressedTexImage2D: id=%d int 0x%x %dx%d\n",
- texObj->Name, internalFormat,
- width, height);
- }
-
- if ((target != GL_TEXTURE_1D && target != GL_TEXTURE_2D) || texImage->Border > 0) {
- _mesa_problem(NULL, "tdfx: unsupported texture in tdfxCompressedTexImg()\n");
- return;
- }
-
- assert(texImage->IsCompressed);
-
- ti = TDFX_TEXTURE_DATA(texObj);
- if (!ti) {
- texObj->DriverData = fxAllocTexObjData(fxMesa);
- if (!texObj->DriverData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
- return;
- }
- ti = TDFX_TEXTURE_DATA(texObj);
- }
- assert(ti);
-
- mml = TDFX_TEXIMAGE_DATA(texImage);
- if (!mml) {
- texImage->DriverData = CALLOC(sizeof(tdfxMipMapLevel));
- if (!texImage->DriverData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
- return;
- }
- mml = TDFX_TEXIMAGE_DATA(texImage);
- }
-
- tdfxTexGetInfo(ctx, width, height, NULL, NULL, NULL, NULL,
- &mml->wScale, &mml->hScale);
-
- mml->width = width * mml->wScale;
- mml->height = height * mml->hScale;
-
-
- /* choose the texture format */
- assert(ctx->Driver.ChooseTextureFormat);
- texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
- internalFormat, -1/*format*/, -1/*type*/);
- assert(texImage->TexFormat);
-
- /* Determine the appropriate Glide texel format,
- * given the user's internal texture format hint.
- */
- mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat);
- ti->info.format = mml->glideFormat;
- texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
-
- /* allocate new storage for texture image, if needed */
- if (!texImage->Data) {
- texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
- mml->width,
- mml->height,
- 1,
- internalFormat);
- texImage->Data = _mesa_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_compressed_row_stride(internalFormat, width);
-
- GLuint destRowStride = _mesa_compressed_row_stride(internalFormat,
- 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);
- }
-
- /* GL_SGIS_generate_mipmap */
- if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
- assert(!texImage->IsCompressed);
- }
-
- RevalidateTexture(ctx, texObj);
-
- ti->reloadImages = GL_TRUE;
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
-}
-
-
-static void
-tdfxCompressedTexSubImage2D( 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 )
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- tdfxTexInfo *ti;
- tdfxMipMapLevel *mml;
- GLint destRowStride, srcRowStride;
- GLint i, rows;
- GLubyte *dest;
-
- if (TDFX_DEBUG & DEBUG_VERBOSE_DRI) {
- fprintf(stderr, "tdfxCompressedTexSubImage2D: id=%d\n", texObj->Name);
- }
-
- ti = TDFX_TEXTURE_DATA(texObj);
- assert(ti);
- mml = TDFX_TEXIMAGE_DATA(texImage);
- assert(mml);
-
- srcRowStride = _mesa_compressed_row_stride(texImage->IntFormat, width);
-
- destRowStride = _mesa_compressed_row_stride(texImage->IntFormat,
- mml->width);
- dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
- texImage->IntFormat,
- mml->width,
- (GLubyte*) texImage->Data);
-
- rows = height / 4; /* [dBorca] 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_compressed_row_stride(texImage->IntFormat, texImage->Width);
-
- destRowStride = _mesa_compressed_row_stride(texImage->IntFormat,
- 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(!texImage->IsCompressed);
- }
-
- RevalidateTexture(ctx, texObj);
-
- ti->reloadImages = GL_TRUE;
- fxMesa->new_state |= TDFX_NEW_TEXTURE;
-}
-
-
-#if 0
-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)
- printf("%02x %02x ", data[0], data[1]);
- else if (c == 3)
- printf("%02x %02x %02x ", data[0], data[1], data[2]);
- data += c;
- }
- printf("\n");
- }
-}
-#endif
-
-
-GLboolean
-tdfxTestProxyTexImage(GLcontext *ctx, GLenum target,
- GLint level, GLint internalFormat,
- GLenum format, GLenum type,
- GLint width, GLint height,
- GLint depth, GLint border)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
- struct gl_shared_state *mesaShared = fxMesa->glCtx->Shared;
- struct tdfxSharedState *shared = (struct tdfxSharedState *) mesaShared->DriverData;
-
- switch (target) {
- case GL_PROXY_TEXTURE_1D:
- /*JJJ wrong*/
- case GL_PROXY_TEXTURE_2D:
- {
- struct gl_texture_object *tObj;
- tdfxTexInfo *ti;
- int memNeeded;
-
- tObj = ctx->Texture.Proxy2D;
- if (!tObj->DriverData)
- tObj->DriverData = fxAllocTexObjData(fxMesa);
- ti = TDFX_TEXTURE_DATA(tObj);
- assert(ti);
-
- /* assign the parameters to test against */
- tObj->Image[0][level]->Width = width;
- tObj->Image[0][level]->Height = height;
- tObj->Image[0][level]->Border = border;
-#if 0
- tObj->Image[0][level]->IntFormat = internalFormat;
-#endif
- if (level == 0) {
- /* don't use mipmap levels > 0 */
- tObj->MinFilter = tObj->MagFilter = GL_NEAREST;
- }
- else {
- /* test with all mipmap levels */
- tObj->MinFilter = GL_LINEAR_MIPMAP_LINEAR;
- tObj->MagFilter = GL_NEAREST;
- }
- RevalidateTexture(ctx, tObj);
-
- /*
- printf("small lodlog2 0x%x\n", ti->info.smallLodLog2);
- printf("large lodlog2 0x%x\n", ti->info.largeLodLog2);
- printf("aspect ratio 0x%x\n", ti->info.aspectRatioLog2);
- printf("glide format 0x%x\n", ti->info.format);
- printf("data %p\n", ti->info.data);
- printf("lodblend %d\n", (int) ti->LODblend);
- */
-
- /* determine where texture will reside */
- if (ti->LODblend && !shared->umaTexMemory) {
- /* XXX GR_MIPMAPLEVELMASK_BOTH might not be right, but works */
- memNeeded = fxMesa->Glide.grTexTextureMemRequired(
- GR_MIPMAPLEVELMASK_BOTH, &(ti->info));
- }
- else {
- /* XXX GR_MIPMAPLEVELMASK_BOTH might not be right, but works */
- memNeeded = fxMesa->Glide.grTexTextureMemRequired(
- GR_MIPMAPLEVELMASK_BOTH, &(ti->info));
- }
- /*
- printf("Proxy test %d > %d\n", memNeeded, shared->totalTexMem[0]);
- */
- if (memNeeded > shared->totalTexMem[0])
- return GL_FALSE;
- else
- return GL_TRUE;
- }
- case GL_PROXY_TEXTURE_3D:
- return GL_TRUE; /* software rendering */
- default:
- return GL_TRUE; /* never happens, silence compiler */
- }
-}
-
-
-/**
- * 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.
- * Note: we could use containment here to 'derive' the driver-specific
- * texture object from the core mesa gl_texture_object. Not done at this time.
- */
-static struct gl_texture_object *
-tdfxNewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
-{
- struct gl_texture_object *obj;
- obj = _mesa_new_texture_object(ctx, name, target);
- return obj;
-}
-
-
-void tdfxInitTextureFuncs( struct dd_function_table *functions )
-{
- functions->BindTexture = tdfxBindTexture;
- functions->NewTextureObject = tdfxNewTextureObject;
- functions->DeleteTexture = tdfxDeleteTexture;
- functions->TexEnv = tdfxTexEnv;
- functions->TexParameter = tdfxTexParameter;
- functions->ChooseTextureFormat = tdfxChooseTextureFormat;
- functions->TexImage1D = tdfxTexImage1D;
- functions->TexSubImage1D = tdfxTexSubImage1D;
- functions->TexImage2D = tdfxTexImage2D;
- functions->TexSubImage2D = tdfxTexSubImage2D;
- functions->IsTextureResident = tdfxIsTextureResident;
- functions->CompressedTexImage2D = tdfxCompressedTexImage2D;
- functions->CompressedTexSubImage2D = tdfxCompressedTexSubImage2D;
- functions->UpdateTexturePalette = tdfxUpdateTexturePalette;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 14:15:33 +0000