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path: root/src/mesa/drivers/glide/fxddtex.c
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Diffstat (limited to 'src/mesa/drivers/glide/fxddtex.c')
-rw-r--r--src/mesa/drivers/glide/fxddtex.c265
1 files changed, 188 insertions, 77 deletions
diff --git a/src/mesa/drivers/glide/fxddtex.c b/src/mesa/drivers/glide/fxddtex.c
index 4c498b59cc1..256c3894698 100644
--- a/src/mesa/drivers/glide/fxddtex.c
+++ b/src/mesa/drivers/glide/fxddtex.c
@@ -49,6 +49,56 @@
void
+_mesa_halve2x2_teximage2d ( GLuint bytesPerPixel,
+ GLint srcWidth, GLint srcHeight,
+ const GLvoid *srcImage, GLvoid *dstImage )
+{
+ GLint i, j, k;
+ const GLint dstWidth = srcWidth / 2;
+ const GLint dstHeight = srcHeight / 2;
+ const GLint srcRowStride = srcWidth * bytesPerPixel;
+ const GLubyte *src = srcImage;
+ GLubyte *dst = dstImage;
+
+ /* no borders! can't halve 1x1! (stride > width * comp) not allowed */
+ 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;
+ }
+ }
+}
+
+
+void
fxPrintTextureData(tfxTexInfo * ti)
{
fprintf(stderr, "Texture Data:\n");
@@ -1339,79 +1389,109 @@ fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
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->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) {
+ _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);
+ }
+ MESA_PBUFFER_FREE(texImage->Data);
+ texImage->Data = tempImage;
+ mml->glideFormat = texNCC;
}
- MESA_PBUFFER_FREE(texImage->Data);
- texImage->Data = tempImage;
- mml->glideFormat = texNCC;
}
- }
#endif
+
+ /* 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(texelBytes,
+ mml->width, mml->height,
+ texImage->Data, mipImage->Data);
+ texImage = mipImage;
+ mml = mip;
+ width = mipWidth;
+ height = mipHeight;
+ }
+ }
+ }
ti->info.format = mml->glideFormat;
texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
- /* [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...
*/
@@ -1495,10 +1575,44 @@ fxDDTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
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(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);
@@ -1613,15 +1727,10 @@ fxDDCompressedTexImage2D (GLcontext *ctx, GLenum target,
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...
@@ -1693,10 +1802,12 @@ fxDDCompressedTexSubImage2D( GLcontext *ctx, GLenum target,
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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 18:30:48 +0000