/* $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
*
*
*/
+
+#include "enums.h"
#include "image.h"
-#include "texutil.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)
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(width >= height);
+ ASSERT(w >= h);
lod = logw;
- s = 256.0;
- ws = 1;
if (ar <= GR_ASPECT_LOG2_8x1) {
t = 256 >> ar;
- hs = 1;
}
else {
/* have to stretch image height */
t = 32.0;
hs = 1 << (ar - 3);
+ ar = GR_ASPECT_LOG2_8x1;
}
}
else {
- ASSERT(width < height);
+ ASSERT(w < h);
lod = logh;
- t = 256.0;
- hs = 1;
if (ar >= GR_ASPECT_LOG2_1x8) {
s = 256 >> -ar;
- ws = 1;
}
else {
/* have to stretch image width */
s = 32.0;
ws = 1 << (-ar - 3);
+ ar = GR_ASPECT_LOG2_1x8;
}
}
- if (ar < GR_ASPECT_LOG2_1x8)
- ar = GR_ASPECT_LOG2_1x8;
- else if (ar > GR_ASPECT_LOG2_8x1)
- ar = GR_ASPECT_LOG2_8x1;
-
if (lodlevel)
*lodlevel = (GrLOD_t) lod;
if (aspectratio)
minl = maxl = tObj->BaseLevel;
- if (tObj->Image[minl]) {
- maxl = MIN2(tObj->MaxLevel, tObj->Image[minl]->MaxLog2);
+ 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[minl]->Width, tObj->Image[minl]->Height,
+ 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[maxl] && (tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR)) {
+ if (tObj->Image[0][maxl] && (tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR)) {
/* mipmapping: need to compute smallLodLog2 */
- tdfxTexGetInfo(ctx, tObj->Image[maxl]->Width,
- tObj->Image[maxl]->Height,
+ tdfxTexGetInfo(ctx, tObj->Image[0][maxl]->Width,
+ tObj->Image[0][maxl]->Height,
&ti->info.smallLodLog2, NULL,
NULL, NULL, NULL, NULL);
}
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;
+ }
+ }
}
/*
* Called via glBindTexture.
*/
-
-void
-tdfxDDBindTexture(GLcontext * ctx, GLenum target,
+static void
+tdfxBindTexture(GLcontext * ctx, GLenum target,
struct gl_texture_object *tObj)
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
tObj->DriverData);
}
- if (target != GL_TEXTURE_2D)
+ if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
return;
if (!tObj->DriverData) {
/*
* Called via glTexEnv.
*/
-void
-tdfxDDTexEnv(GLcontext * ctx, GLenum target, GLenum pname,
+static void
+tdfxTexEnv(GLcontext * ctx, GLenum target, GLenum pname,
const GLfloat * param)
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
/*
* Called via glTexParameter.
*/
-void
-tdfxDDTexParameter(GLcontext * ctx, GLenum target,
+static void
+tdfxTexParameter(GLcontext * ctx, GLenum target,
struct gl_texture_object *tObj,
GLenum pname, const GLfloat * params)
{
tObj->DriverData, pname, param);
}
- if (target != GL_TEXTURE_2D)
+ if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
return;
if (!tObj->DriverData)
ti->LODblend = FXFALSE;
break;
case GL_NEAREST_MIPMAP_LINEAR:
- if (TDFX_IS_NAPALM(fxMesa)) {
+ if (!fxMesa->Glide.HaveCombineExt) {
if (fxMesa->haveTwoTMUs) {
ti->mmMode = GR_MIPMAP_NEAREST;
ti->LODblend = FXTRUE;
ti->LODblend = FXFALSE;
break;
case GL_LINEAR_MIPMAP_LINEAR:
- if (TDFX_IS_NAPALM(fxMesa)) {
+ if (!fxMesa->Glide.HaveCombineExt) {
if (fxMesa->haveTwoTMUs) {
ti->mmMode = GR_MIPMAP_NEAREST;
ti->LODblend = FXTRUE;
default:
break;
}
+ ti->reloadImages = GL_TRUE;
RevalidateTexture(ctx, tObj);
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;
}
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;
}
* Called via glDeleteTextures to delete a texture object.
* Here, we delete the Glide data associated with the texture.
*/
-void
-tdfxDDDeleteTexture(GLcontext * ctx, struct gl_texture_object *tObj)
+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.
*/
-GLboolean
-tdfxDDIsTextureResident(GLcontext *ctx, struct gl_texture_object *tObj)
+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 void
+static GrTexTable_t
convertPalette(FxU32 data[256], const struct gl_color_table *table)
{
const GLubyte *tableUB = (const GLubyte *) table->Table;
FxU32 r, g, b, a;
GLint i;
- ASSERT(table->TableType == GL_UNSIGNED_BYTE);
+ ASSERT(table->Type == GL_UNSIGNED_BYTE);
switch (table->Format) {
case GL_INTENSITY:
a = tableUB[i];
data[i] = (a << 24) | (r << 16) | (g << 8) | b;
}
- break;
+ return GR_TEXTABLE_PALETTE_6666_EXT;
case GL_LUMINANCE:
for (i = 0; i < width; i++) {
r = tableUB[i];
a = 255;
data[i] = (a << 24) | (r << 16) | (g << 8) | b;
}
- break;
+ 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;
}
- break;
+ 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;
}
- break;
+ return GR_TEXTABLE_PALETTE_6666_EXT;
case GL_RGB:
for (i = 0; i < width; i++) {
r = tableUB[i * 3 + 0];
a = 255;
data[i] = (a << 24) | (r << 16) | (g << 8) | b;
}
- break;
+ return GR_TEXTABLE_PALETTE;
case GL_RGBA:
for (i = 0; i < width; i++) {
r = tableUB[i * 4 + 0];
a = tableUB[i * 4 + 3];
data[i] = (a << 24) | (r << 16) | (g << 8) | b;
}
- break;
+ return GR_TEXTABLE_PALETTE_6666_EXT;
+ default:
+ return GR_TEXTABLE_NCC0; /* ???? */
}
+ /* XXX fixme: how can this happen? */
+ _mesa_error(NULL, GL_INVALID_ENUM, "convertPalette: table->Format == %s",
+ _mesa_lookup_enum_by_nr(table->Format));
+ abort();
}
-void
-tdfxDDTexturePalette(GLcontext * ctx, struct gl_texture_object *tObj)
+static void
+tdfxUpdateTexturePalette(GLcontext * ctx, struct gl_texture_object *tObj)
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
if (!tObj->DriverData)
tObj->DriverData = fxAllocTexObjData(fxMesa);
ti = TDFX_TEXTURE_DATA(tObj);
- convertPalette(ti->palette.data, &tObj->Palette);
+ assert(ti);
+ ti->paltype = convertPalette(ti->palette.data, &tObj->Palette);
/*tdfxTexInvalidate(ctx, tObj);*/
}
else {
/* global texture palette */
- convertPalette(fxMesa->glbPalette.data, &ctx->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 */
}
#endif
-const struct gl_texture_format *
-tdfxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+static const struct gl_texture_format *
+tdfxChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
GLenum srcFormat, GLenum srcType )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
+ case GL_COMPRESSED_ALPHA:
return &_mesa_texformat_a8;
case 1:
case GL_LUMINANCE:
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_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;
- break;
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_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 tdfxDDChooseTextureFormat");
+ _mesa_problem(ctx, "unexpected format in tdfxChooseTextureFormat");
return NULL;
}
}
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;
* 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, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLubyte *texel;
static void
fetch_luminance8(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLubyte *texel;
static void
fetch_alpha8(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLubyte *texel;
i = i * mml->wScale;
j = j * mml->hScale;
- i = i * mml->width / texImage->Width;
- j = j * mml->height / texImage->Height;
texel = ((GLubyte *) texImage->Data) + j * mml->width + i;
rgba[RCOMP] = 255;
static void
fetch_index8(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * indexOut)
{
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
- (void) mml;
- /* XXX todo */
+ 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, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLubyte *texel;
- i = i * mml->wScale;
- j = j * mml->hScale;
+ 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];
+ 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, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLushort *texel;
static void
fetch_r4g4b4a4(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLushort *texel;
static void
fetch_r5g5b5a1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLushort *texel;
static void
fetch_a8r8g8b8(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLvoid * texelOut)
+ GLint i, GLint j, GLint k, GLchan * rgba)
{
- GLchan *rgba = (GLchan *) texelOut;
const tdfxMipMapLevel *mml = TDFX_TEXIMAGE_DATA(texImage);
const GLuint *texel;
}
-static FetchTexelFunc
+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;
+ return &fetch_intensity8;
case MESA_FORMAT_A8:
- return fetch_alpha8;
+ return &fetch_alpha8;
case MESA_FORMAT_L8:
- return fetch_luminance8;
+ return &fetch_luminance8;
case MESA_FORMAT_CI8:
- return fetch_index8;
+ return &fetch_index8;
case MESA_FORMAT_AL88:
- return fetch_luminance8_alpha8;
+ return &fetch_luminance8_alpha8;
case MESA_FORMAT_RGB565:
- return fetch_r5g6b5;
+ return &fetch_r5g6b5;
case MESA_FORMAT_ARGB4444:
- return fetch_r4g4b4a4;
+ return &fetch_r4g4b4a4;
case MESA_FORMAT_ARGB1555:
- return fetch_r5g5b5a1;
+ return &fetch_r5g5b5a1;
case MESA_FORMAT_ARGB8888:
- return fetch_a8r8g8b8;
+ 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");
- printf("%d\n", mesaFormat);
return NULL;
}
}
-void
-tdfxDDTexImage2D(GLcontext *ctx, GLenum target, GLint level,
+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,
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
tdfxTexInfo *ti;
tdfxMipMapLevel *mml;
- GLint texelBytes;
+ GLint texelBytes, dstRowStride;
/*
printf("TexImage id=%d int 0x%x format 0x%x type 0x%x %dx%d\n",
}
ti = TDFX_TEXTURE_DATA(texObj);
}
+ assert(ti);
mml = TDFX_TEXIMAGE_DATA(texImage);
if (!mml) {
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);
assert(texImage->TexFormat);
mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat);
ti->info.format = mml->glideFormat;
- texImage->FetchTexel = fxFetchFunction(texImage->TexFormat->MesaFormat);
+ texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
texelBytes = texImage->TexFormat->TexelBytes;
- if (mml->width != width || mml->height != height) {
- /* rescale the image to overcome 1:8 aspect limitation */
- GLvoid *tempImage;
- tempImage = MALLOC(width * height * texelBytes);
- if (!tempImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
- }
- /* unpack image, apply transfer ops and store in tempImage */
- _mesa_transfer_teximage(ctx, 2, texImage->Format,
- texImage->TexFormat,
- tempImage,
- width, height, 1, 0, 0, 0,
- width * texelBytes,
- 0, /* dstImageStride */
- format, type, pixels, packing);
- assert(!texImage->Data);
- texImage->Data = MESA_PBUFFER_ALLOC(mml->width * mml->height * texelBytes);
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- FREE(tempImage);
- return;
- }
- _mesa_rescale_teximage2d(texelBytes,
- mml->width * texelBytes, /* dst stride */
- width, height,
- mml->width, mml->height,
- tempImage /*src*/, texImage->Data /*dst*/ );
- FREE(tempImage);
+ 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_PBUFFER_ALLOC(texImage->CompressedSize);
+ } else {
+ dstRowStride = mml->width * texelBytes;
+ texImage->Data = MESA_PBUFFER_ALLOC(mml->width * mml->height * texelBytes);
}
- else {
- /* no rescaling needed */
- assert(!texImage->Data);
- texImage->Data = MESA_PBUFFER_ALLOC(mml->width * mml->height * texelBytes);
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
+ 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;
+ }
}
- /* unpack image, apply transfer ops and store in texImage->Data */
- _mesa_transfer_teximage(ctx, 2, texImage->Format,
- texImage->TexFormat, texImage->Data,
- width, height, 1, 0, 0, 0,
- texImage->Width * texelBytes,
- 0, /* dstImageStride */
- format, type, pixels, packing);
}
RevalidateTexture(ctx, texObj);
}
-void
-tdfxDDTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
+static void
+tdfxTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
tdfxTexInfo *ti;
tdfxMipMapLevel *mml;
- GLint texelBytes;
+ GLint texelBytes, dstRowStride;
if (!texObj->DriverData) {
_mesa_problem(ctx, "problem in fxDDTexSubImage2D");
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 */
- const GLint newWidth = width * mml->wScale;
- const GLint newHeight = height * mml->hScale;
- GLvoid *scaledImage, *tempImage;
- GLubyte *destAddr;
- tempImage = MALLOC(width * height * texelBytes);
- if (!tempImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
- return;
- }
-
- _mesa_transfer_teximage(ctx, 2, texImage->Format,/* Tex int format */
- texImage->TexFormat, /* dest format */
- (GLubyte *) tempImage, /* dest */
- width, height, 1, /* subimage size */
- 0, 0, 0, /* subimage pos */
- width * texelBytes, /* dest row stride */
- 0, /* dst image stride */
- format, type, pixels, packing);
-
- /* now rescale */
- scaledImage = MALLOC(newWidth * newHeight * texelBytes);
- if (!scaledImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
- FREE(tempImage);
- return;
- }
-
- /* 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,
- mml->width * texelBytes, /* dst stride */
- width, height,
- newWidth, newHeight,
- tempImage, destAddr);
-
- FREE(tempImage);
- FREE(scaledImage);
+ /* 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_transfer_teximage(ctx, 2, texImage->Format, /* Tex int format */
- texImage->TexFormat, /* dest format */
- (GLubyte *) texImage->Data,/* dest */
- width, height, 1, /* subimage size */
- xoffset, yoffset, 0, /* subimage pos */
- mml->width * texelBytes, /* dest row stride */
- 0, /* dst image stride */
- format, type, pixels, packing);
+ 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 ****/
/**********************************************************************/
-#if 0000
-GLboolean
-tdfxDDCompressedTexImage2D( GLcontext *ctx, GLenum target,
- GLint level, GLsizei imageSize,
- const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLboolean *retainInternalCopy)
+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);
- const GLboolean allow32bpt = TDFX_IS_NAPALM(fxMesa);
- GrTextureFormat_t gldformat;
tdfxTexInfo *ti;
tdfxMipMapLevel *mml;
- GLint dstWidth, dstHeight, wScale, hScale, texelSize;
- MesaIntTexFormat intFormat;
- GLboolean isCompressedFormat;
- GLsizei texSize;
- if (target != GL_TEXTURE_2D || texImage->Border > 0)
- return GL_FALSE;
+ if (TDFX_DEBUG & DEBUG_VERBOSE_DRI) {
+ fprintf(stderr, "tdfxCompressedTexImage2D: id=%d int 0x%x %dx%d\n",
+ texObj->Name, internalFormat,
+ width, height);
+ }
- if (!texObj->DriverData)
- texObj->DriverData = fxAllocTexObjData(fxMesa);
+ 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);
- mml = &ti->mipmapLevel[level];
+ 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);
- isCompressedFormat = tdfxDDIsCompressedGlideFormatMacro(texImage->IntFormat);
- if (!isCompressedFormat) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2D(format)");
- return GL_FALSE;
+ 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);
}
- /* Determine the apporpriate GL internal texel format, Mesa internal
- * texel format, and texelSize (bytes) given the user's internal
- * texture format hint.
- */
- tdfxTexGetFormat(texImage->IntFormat, allow32bpt,
- &gldformat, &intFormat, &texelSize);
- /* Determine width and height scale factors for texture.
- * Remember, Glide is limited to 8:1 aspect ratios.
+ 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.
*/
- tdfxTexGetInfo(ctx,
- texImage->Width, texImage->Height,
- NULL, /* lod level */
- NULL, /* aspect ratio */
- NULL, NULL, /* sscale, tscale */
- &wScale, &hScale);
- dstWidth = texImage->Width * wScale;
- dstHeight = texImage->Height * hScale;
- /* housekeeping */
- _mesa_set_teximage_component_sizes(intFormat, texImage);
-
- texSize = tdfxDDCompressedImageSize(ctx,
- texImage->IntFormat,
- 2,
- texImage->Width,
- texImage->Height,
- 1);
- if (texSize != imageSize) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage2D(texSize)");
- return GL_FALSE;
- }
+ 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 (!mml->data || mml->glideFormat != gldformat ||
- mml->width != dstWidth || mml->height != dstHeight ||
- texSize != mml->dataSize) {
- if (mml->data) {
- FREE(mml->data);
- }
- mml->data = MALLOC(texSize);
- if (!mml->data) {
- return GL_FALSE;
- }
- mml->texelSize = texelSize;
- mml->glideFormat = gldformat;
- mml->width = dstWidth;
- mml->height = dstHeight;
- tdfxTMMoveOutTM(fxMesa, texObj);
- /*tdfxTexInvalidate(ctx, texObj);*/
+ if (!texImage->Data) {
+ texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
+ mml->width,
+ mml->height,
+ 1,
+ internalFormat);
+ texImage->Data = MESA_PBUFFER_ALLOC(texImage->CompressedSize);
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
+ return;
+ }
}
/* save the texture data */
- MEMCPY(mml->data, data, imageSize);
+ 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;
-
- *retainInternalCopy = GL_FALSE;
- return GL_TRUE;
}
-GLboolean
-tdfxDDCompressedTexSubImage2D( 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 )
+
+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;
- /*
- * We punt if we are not replacing the entire image. This
- * is allowed by the spec.
- */
- if ((xoffset != 0) && (yoffset != 0)
- && (width != texImage->Width)
- && (height != texImage->Height)) {
- return GL_FALSE;
+ if (TDFX_DEBUG & DEBUG_VERBOSE_DRI) {
+ fprintf(stderr, "tdfxCompressedTexSubImage2D: id=%d\n", texObj->Name);
}
ti = TDFX_TEXTURE_DATA(texObj);
- mml = &ti->mipmapLevel[level];
- if (imageSize != mml->dataSize) {
- return GL_FALSE;
+ 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);
}
- MEMCPY(data, mml->data, imageSize);
+
+ /* [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;
-
- return GL_TRUE;
}
-#endif
-
#if 0
GLboolean
-tdfxDDTestProxyTexImage(GLcontext *ctx, GLenum target,
+tdfxTestProxyTexImage(GLcontext *ctx, GLenum target,
GLint level, GLint internalFormat,
GLenum format, GLenum type,
GLint width, GLint height,
switch (target) {
case GL_PROXY_TEXTURE_1D:
- return GL_TRUE; /* software rendering */
+ /*JJJ wrong*/
case GL_PROXY_TEXTURE_2D:
{
struct gl_texture_object *tObj;
if (!tObj->DriverData)
tObj->DriverData = fxAllocTexObjData(fxMesa);
ti = TDFX_TEXTURE_DATA(tObj);
+ assert(ti);
/* assign the parameters to test against */
- tObj->Image[level]->Width = width;
- tObj->Image[level]->Height = height;
- tObj->Image[level]->Border = border;
+ tObj->Image[0][level]->Width = width;
+ tObj->Image[0][level]->Height = height;
+ tObj->Image[0][level]->Border = border;
#if 0
- tObj->Image[level]->IntFormat = internalFormat;
+ tObj->Image[0][level]->IntFormat = internalFormat;
#endif
if (level == 0) {
/* don't use mipmap levels > 0 */
}
-#if 000
-/*
- * This is called from _mesa_GetCompressedTexImage. We just
- * copy out the compressed data.
+/**
+ * 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.
*/
-void
-tdfxDDGetCompressedTexImage( GLcontext *ctx, GLenum target,
- GLint lod, void *image,
- const struct gl_texture_object *texObj,
- struct gl_texture_image *texImage )
+static struct gl_texture_object *
+tdfxNewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
{
- tdfxTexInfo *ti;
- tdfxMipMapLevel *mml;
-
- if (target != GL_TEXTURE_2D)
- return;
-
- if (!texObj->DriverData)
- return;
-
- ti = TDFX_TEXTURE_DATA(texObj);
- mml = &ti->mipmapLevel[lod];
- if (mml->data) {
- MEMCPY(image, mml->data, mml->dataSize);
- }
-}
-#endif
-
-/*
- * Calculate a specific texture format given a generic
- * texture format.
- */
-GLint
-tdfxDDSpecificCompressedTexFormat(GLcontext *ctx,
- GLint internalFormat,
- GLint numDimensions)
-{
- tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
-
- if (numDimensions != 2) {
- return internalFormat;
- }
- /*
- * If we don't have pointers to the functions, then
- * we drop back to uncompressed format. The logic
- * in Mesa proper handles this for us.
- *
- * This is just to ease the transition to a Glide with
- * the texus2 library.
- */
- if (!fxMesa->Glide.txImgQuantize || !fxMesa->Glide.txImgDequantizeFXT1) {
- return internalFormat;
- }
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_ARB:
- return GL_COMPRESSED_RGB_FXT1_3DFX;
- case GL_COMPRESSED_RGBA_ARB:
- return GL_COMPRESSED_RGBA_FXT1_3DFX;
- }
- return internalFormat;
-}
-
-/*
- * Calculate a specific texture format given a generic
- * texture format.
- */
-GLint
-tdfxDDBaseCompressedTexFormat(GLcontext *ctx,
- GLint internalFormat)
-{
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- return GL_RGB;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return GL_RGBA;
- }
- return -1;
+ struct gl_texture_object *obj;
+ obj = _mesa_new_texture_object(ctx, name, target);
+ return obj;
}
-/*
- * Tell us if an image is compressed. The real work is done
- * in a macro, but we need to have a function to create a
- * function pointer.
- */
-GLboolean
-tdfxDDIsCompressedFormat(GLcontext *ctx, GLint internalFormat)
-{
- return tdfxDDIsCompressedFormatMacro(internalFormat);
-}
-
-/*
- * Calculate the image size of a compressed texture.
- *
- * The current compressed format, the FXT1 family, all
- * map 8x32 texel blocks into 128 bits.
- *
- * We return 0 if we can't calculate the size.
- *
- * Glide would report this out to us, but we don't have
- * exactly the right parameters.
- */
-GLsizei
-tdfxDDCompressedImageSize(GLcontext *ctx,
- GLenum intFormat,
- GLuint numDimensions,
- GLuint width,
- GLuint height,
- GLuint depth)
+void tdfxInitTextureFuncs( struct dd_function_table *functions )
{
- if (numDimensions != 2) {
- return 0;
- }
- switch (intFormat) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- /*
- * Round height and width to multiples of 4 and 8,
- * divide the resulting product by 32 to get the number
- * of blocks, and multiply by 32 = 128/8 to get the.
- * number of bytes required. That is to say, just
- * return the product. Remember that we are returning
- * bytes, not texels, so we have shrunk the texture
- * by a factor of the texel size.
- */
- width = (width + 0x7) &~ 0x7;
- height = (height + 0x3) &~ 0x3;
- return width * height;
- }
- return 0;
+ 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;
}
projects / mesa.git / blobdiff