#if defined(FX)
#include "fxdrv.h"
-#include "enums.h"
-#include "image.h"
-#include "teximage.h"
-#include "texformat.h"
-#include "texcompress.h"
-#include "texobj.h"
-#include "texstore.h"
+#include "main/enums.h"
+#include "main/image.h"
+#include "main/teximage.h"
+#include "main/texformat.h"
+#include "main/texcompress.h"
+#include "main/texobj.h"
+#include "main/texstore.h"
+
+
+/* no borders! can't halve 1x1! (stride > width * comp) not allowed */
+static void
+_mesa_halve2x2_teximage2d ( GLcontext *ctx,
+ struct gl_texture_image *texImage,
+ GLuint bytesPerPixel,
+ GLint srcWidth, GLint srcHeight,
+ const GLvoid *srcImage, GLvoid *dstImage )
+{
+ GLint i, j, k;
+ GLint dstWidth = srcWidth / 2;
+ GLint dstHeight = srcHeight / 2;
+ GLint srcRowStride = srcWidth * bytesPerPixel;
+ GLubyte *src = (GLubyte *)srcImage;
+ GLubyte *dst = dstImage;
+
+ GLuint bpt = 0;
+ GLubyte *_s = NULL;
+ GLubyte *_d = NULL;
+ GLenum _t = 0;
+
+ if (texImage->TexFormat->MesaFormat == MESA_FORMAT_RGB565) {
+ _t = GL_UNSIGNED_SHORT_5_6_5_REV;
+ bpt = bytesPerPixel;
+ } else if (texImage->TexFormat->MesaFormat == MESA_FORMAT_ARGB4444) {
+ _t = GL_UNSIGNED_SHORT_4_4_4_4_REV;
+ bpt = bytesPerPixel;
+ } else if (texImage->TexFormat->MesaFormat == MESA_FORMAT_ARGB1555) {
+ _t = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+ bpt = bytesPerPixel;
+ }
+ if (bpt) {
+ bytesPerPixel = 4;
+ srcRowStride = srcWidth * bytesPerPixel;
+ if (dstWidth == 0) {
+ dstWidth = 1;
+ }
+ if (dstHeight == 0) {
+ dstHeight = 1;
+ }
+ _s = src = MALLOC(srcRowStride * srcHeight);
+ _d = dst = MALLOC(dstWidth * bytesPerPixel * dstHeight);
+ _mesa_texstore_rgba8888(ctx, 2, GL_RGBA,
+ &_mesa_texformat_rgba8888_rev, src,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ srcRowStride, /* dstRowStride */
+ 0, /* dstImageStride */
+ srcWidth, srcHeight, 1,
+ texImage->_BaseFormat, _t,
+ srcImage, &ctx->DefaultPacking);
+ }
+
+ if (srcHeight == 1) {
+ for (i = 0; i < dstWidth; i++) {
+ for (k = 0; k < bytesPerPixel; k++) {
+ dst[0] = (src[0] + src[bytesPerPixel] + 1) / 2;
+ src++;
+ dst++;
+ }
+ src += bytesPerPixel;
+ }
+ } else if (srcWidth == 1) {
+ for (j = 0; j < dstHeight; j++) {
+ for (k = 0; k < bytesPerPixel; k++) {
+ dst[0] = (src[0] + src[srcRowStride] + 1) / 2;
+ src++;
+ dst++;
+ }
+ src += srcRowStride;
+ }
+ } else {
+ for (j = 0; j < dstHeight; j++) {
+ for (i = 0; i < dstWidth; i++) {
+ for (k = 0; k < bytesPerPixel; k++) {
+ dst[0] = (src[0] +
+ src[bytesPerPixel] +
+ src[srcRowStride] +
+ src[srcRowStride + bytesPerPixel] + 2) / 4;
+ src++;
+ dst++;
+ }
+ src += bytesPerPixel;
+ }
+ src += srcRowStride;
+ }
+ }
+
+ if (bpt) {
+ src = _s;
+ dst = _d;
+ texImage->TexFormat->StoreImage(ctx, 2, texImage->_BaseFormat,
+ texImage->TexFormat, dstImage,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstWidth * bpt,
+ 0, /* dstImageStride */
+ dstWidth, dstHeight, 1,
+ GL_BGRA, CHAN_TYPE, dst, &ctx->DefaultPacking);
+ FREE(dst);
+ FREE(src);
+ }
+}
void
/* apply any lod biasing right now */
if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
GLfloat bias = *param;
- CLAMP_SELF(bias, -8.0, 7.75);
-
+ CLAMP_SELF(bias, -ctx->Const.MaxTextureLodBias,
+ ctx->Const.MaxTextureLodBias - 0.25);
+
grTexLodBiasValue(GR_TMU0, bias);
if (fxMesa->haveTwoTMUs) {
ti->LODblend = FXFALSE;
break;
case GL_NEAREST_MIPMAP_LINEAR:
- /* [koolsmoky]
- * trilinear is bugged! mipmap blending produce
- * incorrect filtered colors for the smallest mipmap levels.
- * [dBorca]
+ /* [dBorca]
* currently Napalm can't do single-pass trilinear,
* because the way its combiners are set. So we fall back
* to GL_NEAREST_MIPMAP_NEAREST. We'll let true trilinear
- * enabled for V2, V3. If user shoots foot, not our problem!
+ * enabled for V2, V3.
*/
if (!fxMesa->HaveCmbExt) {
if (fxMesa->haveTwoTMUs) {
ti->LODblend = FXFALSE;
break;
case GL_LINEAR_MIPMAP_LINEAR:
- /* [koolsmoky]
- * trilinear is bugged! mipmap blending produce
- * incorrect filtered colors for the smallest mipmap levels.
- * [dBorca]
+ /* [dBorca]
* currently Napalm can't do single-pass trilinear,
* because the way its combiners are set. So we fall back
* to GL_LINEAR_MIPMAP_NEAREST. We'll let true trilinear
- * enabled for V2, V3. If user shoots foot, not our problem!
+ * enabled for V2, V3.
*/
if (!fxMesa->HaveCmbExt) {
if (fxMesa->haveTwoTMUs) {
case GL_MIRRORED_REPEAT:
ti->sClamp = GR_TEXTURECLAMP_MIRROR_EXT;
break;
+ case GL_CLAMP_TO_BORDER: /* no-no, but don't REPEAT, either */
case GL_CLAMP_TO_EDGE: /* CLAMP discarding border */
case GL_CLAMP:
ti->sClamp = GR_TEXTURECLAMP_CLAMP;
case GL_MIRRORED_REPEAT:
ti->tClamp = GR_TEXTURECLAMP_MIRROR_EXT;
break;
+ case GL_CLAMP_TO_BORDER: /* no-no, but don't REPEAT, either */
case GL_CLAMP_TO_EDGE: /* CLAMP discarding border */
case GL_CLAMP:
ti->tClamp = GR_TEXTURECLAMP_CLAMP;
ASSERT(table->Type == GL_UNSIGNED_BYTE);
- switch (table->Format) {
+ switch (table->_BaseFormat) {
case GL_INTENSITY:
for (i = 0; i < width; i++) {
r = tableUB[i];
}
/* This might be a proxy texture. */
if (!tObj->Palette.Table)
- return;
+ return;
if (!tObj->DriverData)
tObj->DriverData = fxAllocTexObjData(fxMesa);
ti = fxTMGetTexInfo(tObj);
fprintf(stderr, "fxDDTexUseGlbPalette(%d)\n", state);
}
- if (state) {
- fxMesa->haveGlobalPaletteTexture = 1;
- }
- else {
- fxMesa->haveGlobalPaletteTexture = 0;
-
- /* [dBorca] tis beyond my comprehension */
- if ((ctx->Texture.Unit[0]._Current == ctx->Texture.Unit[0].Current2D) &&
- (ctx->Texture.Unit[0]._Current != NULL)) {
- struct gl_texture_object *tObj = ctx->Texture.Unit[0]._Current;
- if (!tObj->DriverData)
- tObj->DriverData = fxAllocTexObjData(fxMesa);
- fxTexInvalidate(ctx, tObj);
- }
- }
+ fxMesa->haveGlobalPaletteTexture = state;
+ fxMesa->new_state |= FX_NEW_TEXTURING;
}
/**********************************************************************/
/**** NEW TEXTURE IMAGE FUNCTIONS ****/
/**********************************************************************/
+extern void
+fxt1_decode_1 (const void *texture, int width,
+ int i, int j, unsigned char *rgba);
/* Texel-fetch functions for software texturing and glGetTexImage().
* We should have been able to use some "standard" fetch functions (which
j = j * mml->hScale;
texel = ((GLushort *) texImage->Data) + j * mml->width + i;
- rgba[RCOMP] = FX_rgb_scale_4[(*texel >> 12) & 0xF];
- rgba[GCOMP] = FX_rgb_scale_4[(*texel >> 8) & 0xF];
- rgba[BCOMP] = FX_rgb_scale_4[(*texel >> 4) & 0xF];
- rgba[ACOMP] = FX_rgb_scale_4[ *texel & 0xF];
+ rgba[RCOMP] = FX_rgb_scale_4[(*texel >> 8) & 0xF];
+ rgba[GCOMP] = FX_rgb_scale_4[(*texel >> 4) & 0xF];
+ rgba[BCOMP] = FX_rgb_scale_4[ *texel & 0xF];
+ rgba[ACOMP] = FX_rgb_scale_4[(*texel >> 12) & 0xF];
}
j = j * mml->hScale;
texel = ((GLushort *) texImage->Data) + j * mml->width + i;
- rgba[RCOMP] = FX_rgb_scale_5[(*texel >> 11) & 0x1F];
- rgba[GCOMP] = FX_rgb_scale_5[(*texel >> 6) & 0x1F];
- rgba[BCOMP] = FX_rgb_scale_5[(*texel >> 1) & 0x1F];
- rgba[ACOMP] = ((*texel) & 0x01) * 255;
+ rgba[RCOMP] = FX_rgb_scale_5[(*texel >> 10) & 0x1F];
+ rgba[GCOMP] = FX_rgb_scale_5[(*texel >> 5) & 0x1F];
+ rgba[BCOMP] = FX_rgb_scale_5[ *texel & 0x1F];
+ rgba[ACOMP] = (*texel >> 15) * 255;
}
i = i * mml->wScale;
j = j * mml->hScale;
- _mesa_texformat_rgb_fxt1.FetchTexel2D(texImage, i, j, k, rgba);
+ fxt1_decode_1(texImage->Data, mml->width, i, j, rgba);
+ rgba[ACOMP] = 255;
}
i = i * mml->wScale;
j = j * mml->hScale;
- _mesa_texformat_rgba_fxt1.FetchTexel2D(texImage, i, j, k, rgba);
+ fxt1_decode_1(texImage->Data, mml->width, i, j, rgba);
}
}
+#if 0 /* break glass in case of emergency */
static void
PrintTexture(int w, int h, int c, const GLubyte * data)
{
fprintf(stderr, "\n");
}
}
-
-
-GLuint fxDDCompressedTextureSize (GLcontext *ctx,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format)
-{
- int wScale, hScale;
-
- ASSERT(depth == 1);
-
- /* Determine width and height scale factors for texture.
- * Remember, Glide is limited to 8:1 aspect ratios.
- */
- fxTexGetInfo(width, height,
- NULL, /* lod level */
- NULL, /* aspect ratio */
- NULL, NULL, /* sscale, tscale */
- &wScale, &hScale);
-
- return _mesa_compressed_texture_size(ctx,
- width * wScale,
- height * hScale,
- depth,
- format);
-}
+#endif
const struct gl_texture_format *
switch (internalFormat) {
case GL_COMPRESSED_RGB:
-#if FX_TC_NCC
- if (fxMesa->HaveTexus2) {
- return &_mesa_texformat_argb8888;
- }
-#endif
/* intentional fall through */
case 3:
case GL_RGB:
case GL_RGBA4:
return &_mesa_texformat_argb4444;
case GL_COMPRESSED_RGBA:
-#if FX_TC_NCC
- if (fxMesa->HaveTexus2) {
- return &_mesa_texformat_argb8888;
- }
-#endif
/* intentional fall through */
case 4:
case GL_RGBA:
return GL_FALSE;
}
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+ texImage->TexFormat->StoreImage(ctx, 2, texImage->_BaseFormat,
texImage->TexFormat, tempImage,
0, 0, 0, /* dstX/Y/Zoffset */
width * texelBytes, /* dstRowStride */
+ xoffset * mml->wScale) * texelBytes;
_mesa_rescale_teximage2d(texelBytes,
+ width,
dstRowStride, /* dst stride */
width, height,
newWidth, newHeight,
return GL_FALSE;
}
/* unpack image, apply transfer ops and store in rawImage */
- _mesa_texstore_argb8888(ctx, 2, GL_RGBA,
- &_mesa_texformat_argb8888, 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->StoreImage(ctx, 2, texImage->_BaseFormat,
texImage->TexFormat, texImage->Data,
xoffset * mml->wScale, yoffset * mml->hScale, 0, /* dstX/Y/Zoffset */
dstRowStride,
0, /* dstImageStride */
newWidth, newHeight, 1,
- GL_BGRA, CHAN_TYPE, tempImage, &ctx->DefaultPacking);
+ GL_RGBA, CHAN_TYPE, tempImage, &ctx->DefaultPacking);
FREE(rawImage);
}
if (TDFX_DEBUG & VERBOSE_TEXTURE) {
fprintf(stderr, "fxDDTexImage2D: id=%d int 0x%x format 0x%x type 0x%x %dx%d\n",
- texObj->Name, texImage->IntFormat, format, type,
+ texObj->Name, texImage->InternalFormat, format, type,
texImage->Width, texImage->Height);
}
#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) {
+ if (!ctx->Mesa_DXTn && 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:
- texImage->CompressedSize /= 2;
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
internalFormat = GL_COMPRESSED_RGBA_FXT1_3DFX;
}
- texImage->IntFormat = internalFormat;
+ texImage->InternalFormat = internalFormat;
}
#endif
#if FX_TC_NAPALM
texNapalm = GL_COMPRESSED_RGBA_FXT1_3DFX;
}
if (texNapalm) {
- texImage->IntFormat = internalFormat = texNapalm;
+ texImage->InternalFormat = internalFormat = texNapalm;
texImage->IsCompressed = GL_TRUE;
- texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
- mml->width,
- mml->height,
- 1,
- texNapalm);
}
}
#endif
/* allocate mipmap buffer */
assert(!texImage->Data);
if (texImage->IsCompressed) {
- dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, mml->width);
- texImage->Data = MESA_PBUFFER_ALLOC(texImage->CompressedSize);
+ 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_PBUFFER_ALLOC(mml->width * mml->height * texelBytes);
+ texImage->Data = _mesa_malloc(mml->width * mml->height * texelBytes);
}
if (!texImage->Data) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
return;
}
- 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);
- }
-#if FX_TC_NCC
- if (fxMesa->HaveTexus2) {
- GLenum texNCC = 0;
- GLuint texSize = mml->width * mml->height;
- if (internalFormat == GL_COMPRESSED_RGB) {
- texNCC = GR_TEXFMT_YIQ_422;
- } else if (internalFormat == GL_COMPRESSED_RGBA) {
- texNCC = GR_TEXFMT_AYIQ_8422;
- texSize <<= 1;
- }
- if (texNCC) {
- TxMip txMip, pxMip;
- GLubyte *tempImage = MESA_PBUFFER_ALLOC(texSize);
- if (!tempImage) {
+ 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;
}
- txMip.width = mml->width;
- txMip.height = mml->height;
- txMip.depth = 1;
- txMip.data[0] = texImage->Data;
- pxMip.data[0] = tempImage;
- fxMesa->Glide.txMipQuantize(&pxMip, &txMip, texNCC, TX_DITHER_ERR, TX_COMPRESSION_HEURISTIC);
- if (level == 0) {
- fxMesa->Glide.txPalToNcc((GuNccTable *)(&(ti->palette)), pxMip.pal);
+ }
+ else {
+ /* no rescaling needed */
+ /* unpack image, apply transfer ops and store in texImage->Data */
+ texImage->TexFormat->StoreImage(ctx, 2, texImage->_BaseFormat,
+ texImage->TexFormat, texImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride,
+ 0, /* dstImageStride */
+ width, height, 1,
+ format, type, pixels, packing);
+ }
+
+ /* GL_SGIS_generate_mipmap */
+ if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+ GLint mipWidth, mipHeight;
+ tfxMipMapLevel *mip;
+ struct gl_texture_image *mipImage;
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ const GLint maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
+
+ assert(!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 = FX_MIPMAP_DATA(mipImage);
+ _mesa_halve2x2_teximage2d(ctx,
+ texImage,
+ texelBytes,
+ mml->width, mml->height,
+ texImage->Data, mipImage->Data);
+ texImage = mipImage;
+ mml = mip;
+ width = mipWidth;
+ height = mipHeight;
}
- MESA_PBUFFER_FREE(texImage->Data);
- texImage->Data = tempImage;
- mml->glideFormat = texNCC;
}
}
-#endif
ti->info.format = mml->glideFormat;
texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
- /* [dBorca] take care of aspectratio */
-#if 0
- /* GL_SGIS_generate_mipmap */
- if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
- _mesa_generate_mipmap(ctx, target,
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
- texObj);
- }
-#endif
-
- /* [dBorca]
- * Hack alert: unsure...
- */
- if (0 && ti->validated && ti->isInTM) {
- /*fprintf(stderr, "reloadmipmaplevels\n"); */
- fxTMReloadMipMapLevel(fxMesa, texObj, level);
- }
- else {
- /*fprintf(stderr, "invalidate2\n"); */
- fxTexInvalidate(ctx, texObj);
- }
+ fxTexInvalidate(ctx, texObj);
}
tfxMipMapLevel *mml;
GLint texelBytes, dstRowStride;
- /* [dBorca] Hack alert:
- * FX_TC_NCC not supported
- */
-
if (TDFX_DEBUG & VERBOSE_TEXTURE) {
fprintf(stderr, "fxDDTexSubImage2D: id=%d\n", texObj->Name);
}
assert(mml);
assert(texImage->Data); /* must have an existing texture image! */
- assert(texImage->Format);
+ assert(texImage->_BaseFormat);
texelBytes = texImage->TexFormat->TexelBytes;
if (texImage->IsCompressed) {
- dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, mml->width);
+ dstRowStride = _mesa_compressed_row_stride(texImage->InternalFormat, mml->width);
} else {
dstRowStride = mml->width * texelBytes;
}
}
else {
/* no rescaling needed */
- texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+ texImage->TexFormat->StoreImage(ctx, 2, texImage->_BaseFormat,
texImage->TexFormat, (GLubyte *) texImage->Data,
xoffset, yoffset, 0, /* dstX/Y/Zoffset */
dstRowStride,
format, type, pixels, packing);
}
- /* [dBorca]
- * Hack alert: unsure...
- */
- if (0 && ti->validated && ti->isInTM)
+ /* GL_SGIS_generate_mipmap */
+ if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+ GLint mipWidth, mipHeight;
+ tfxMipMapLevel *mip;
+ struct gl_texture_image *mipImage;
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ const GLint maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
+
+ assert(!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 = FX_MIPMAP_DATA(mipImage);
+ _mesa_halve2x2_teximage2d(ctx,
+ texImage,
+ texelBytes,
+ mml->width, mml->height,
+ texImage->Data, mipImage->Data);
+ texImage = mipImage;
+ mml = mip;
+ width = mipWidth;
+ height = mipHeight;
+ }
+ }
+
+ if (ti->validated && ti->isInTM && !texObj->GenerateMipmap)
fxTMReloadMipMapLevel(fxMesa, texObj, level);
else
fxTexInvalidate(ctx, texObj);
if (!texImage->DriverData) {
texImage->DriverData = CALLOC(sizeof(tfxMipMapLevel));
if (!texImage->DriverData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
return;
}
}
/* allocate new storage for texture image, if needed */
if (!texImage->Data) {
- texImage->Data = MESA_PBUFFER_ALLOC(imageSize);
+ 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, "glTexImage2D");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
return;
}
}
/* save the texture data */
- MEMCPY(texImage->Data, data, imageSize);
- /* [dBorca] Hack alert:
- * in order to account for apect ratio and other anomalies,
- * we would need to decompress the image. Note, however that
- * certain rescaling factors (x4, x8) can be treated simpler
- * if they match the compressed texture microtile size.
- * Cheeky idea: use textureBuffer to decompress in hardware!
- */
+ 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);
+ }
ti->info.format = mml->glideFormat;
texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
- /* [dBorca] take care of aspectratio */
-#if 0
/* GL_SGIS_generate_mipmap */
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
- _mesa_generate_mipmap(ctx, target,
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
- texObj);
+ assert(!texImage->IsCompressed);
}
-#endif
- /* [dBorca]
- * Hack alert: unsure...
- */
- if (0 && ti->validated && ti->isInTM) {
- /*fprintf(stderr, "reloadmipmaplevels\n"); */
- fxTMReloadMipMapLevel(fxMesa, texObj, level);
- }
- else {
- /*fprintf(stderr, "invalidate2\n"); */
- fxTexInvalidate(ctx, texObj);
- }
+ fxTexInvalidate(ctx, texObj);
}
mml = FX_MIPMAP_DATA(texImage);
assert(mml);
- srcRowStride = _mesa_compressed_row_stride(texImage->IntFormat, width);
+ srcRowStride = _mesa_compressed_row_stride(texImage->InternalFormat, width);
- destRowStride = _mesa_compressed_row_stride(texImage->IntFormat,
- texImage->Width);
+ destRowStride = _mesa_compressed_row_stride(texImage->InternalFormat,
+ mml->width);
dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
- texImage->IntFormat,
- texImage->Width,
+ texImage->InternalFormat,
+ mml->width,
(GLubyte*) texImage->Data);
- rows = height / 4; /* [dBorca] hardcoded 4, but works for FXT1/DXTC */
+ rows = height / 4; /* hardcoded 4, but works for FXT1/DXTC */
for (i = 0; i < rows; i++) {
MEMCPY(dest, data, srcRowStride);
/* [dBorca] Hack alert:
* see fxDDCompressedTexImage2D for caveats
*/
+ if (mml->wScale != 1 || mml->hScale != 1) {
+ srcRowStride = _mesa_compressed_row_stride(texImage->InternalFormat, texImage->Width);
+
+ destRowStride = _mesa_compressed_row_stride(texImage->InternalFormat,
+ mml->width);
+ _mesa_upscale_teximage2d(srcRowStride, texImage->Height / 4,
+ destRowStride, mml->height / 4,
+ 1, texImage->Data, destRowStride,
+ texImage->Data);
+ }
- /* [dBorca]
- * Hack alert: unsure...
- */
- if (0 && ti->validated && ti->isInTM)
+ /* GL_SGIS_generate_mipmap */
+ if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+ assert(!texImage->IsCompressed);
+ }
+
+ if (ti->validated && ti->isInTM)
fxTMReloadMipMapLevel(fxMesa, texObj, level);
else
fxTexInvalidate(ctx, texObj);
GLint width, GLint height,
GLint depth, GLint border)
{
- /* [dBorca]
- * TODO - maybe through fxTexValidate()
- */
+ /* XXX todo - maybe through fxTexValidate() */
return _mesa_test_proxy_teximage(ctx, target,
level, internalFormat,
format, type,