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-rw-r--r--src/mesa/drivers/glide/fxdd.c1
-rw-r--r--src/mesa/drivers/glide/fxddtex.c102
-rw-r--r--src/mesa/drivers/glide/fxdrv.h3
-rw-r--r--src/mesa/drivers/glide/fxsetup.c13
4 files changed, 66 insertions, 53 deletions
diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c
index 8315096a0b..c743a9f2d6 100644
--- a/src/mesa/drivers/glide/fxdd.c
+++ b/src/mesa/drivers/glide/fxdd.c
@@ -1718,7 +1718,6 @@ fxSetupDDPointers(GLcontext * ctx)
ctx->Driver.TexSubImage2D = fxDDTexSubImage2D;
ctx->Driver.CompressedTexImage2D = fxDDCompressedTexImage2D;
ctx->Driver.CompressedTexSubImage2D = fxDDCompressedTexSubImage2D;
- ctx->Driver.CompressedTextureSize = fxDDCompressedTextureSize;
ctx->Driver.TestProxyTexImage = fxDDTestProxyTexImage;
ctx->Driver.TexEnv = fxDDTexEnv;
ctx->Driver.TexParameter = fxDDTexParam;
diff --git a/src/mesa/drivers/glide/fxddtex.c b/src/mesa/drivers/glide/fxddtex.c
index 2a263798c5..f433c573d4 100644
--- a/src/mesa/drivers/glide/fxddtex.c
+++ b/src/mesa/drivers/glide/fxddtex.c
@@ -926,31 +926,6 @@ PrintTexture(int w, int h, int c, const GLubyte * data)
}
-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);
-}
-
-
const struct gl_texture_format *
fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
GLenum srcFormat, GLenum srcType )
@@ -1315,11 +1290,6 @@ fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
internalFormat = GL_COMPRESSED_RGBA_FXT1_3DFX;
}
texImage->IntFormat = internalFormat;
- texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
- mml->width,
- mml->height,
- 1,
- internalFormat);
}
#endif
#if FX_TC_NAPALM
@@ -1333,11 +1303,6 @@ fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
if (texNapalm) {
texImage->IntFormat = internalFormat = texNapalm;
texImage->IsCompressed = GL_TRUE;
- texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
- mml->width,
- mml->height,
- 1,
- texNapalm);
}
}
#endif
@@ -1355,7 +1320,12 @@ fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
/* allocate mipmap buffer */
assert(!texImage->Data);
if (texImage->IsCompressed) {
- dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, mml->width);
+ 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;
@@ -1569,7 +1539,7 @@ fxDDCompressedTexImage2D (GLcontext *ctx, GLenum target,
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;
}
}
@@ -1595,22 +1565,46 @@ fxDDCompressedTexImage2D (GLcontext *ctx, GLenum target,
/* 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_PBUFFER_ALLOC(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.
+ */
+ 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);
+
+ } else {
+ MEMCPY(texImage->Data, data, texImage->CompressedSize);
+ }
ti->info.format = mml->glideFormat;
texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
@@ -1667,10 +1661,10 @@ fxDDCompressedTexSubImage2D( GLcontext *ctx, GLenum target,
srcRowStride = _mesa_compressed_row_stride(texImage->IntFormat, width);
destRowStride = _mesa_compressed_row_stride(texImage->IntFormat,
- texImage->Width);
+ mml->width);
dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
texImage->IntFormat,
- texImage->Width,
+ mml->width,
(GLubyte*) texImage->Data);
rows = height / 4; /* [dBorca] hardcoded 4, but works for FXT1/DXTC */
@@ -1684,6 +1678,16 @@ fxDDCompressedTexSubImage2D( GLcontext *ctx, GLenum target,
/* [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);
+ }
/* [dBorca]
* Hack alert: unsure...
diff --git a/src/mesa/drivers/glide/fxdrv.h b/src/mesa/drivers/glide/fxdrv.h
index 214a57edb7..cfe43bb687 100644
--- a/src/mesa/drivers/glide/fxdrv.h
+++ b/src/mesa/drivers/glide/fxdrv.h
@@ -575,9 +575,6 @@ extern void fxPrintTextureData(tfxTexInfo * ti);
extern const struct gl_texture_format *
fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
GLenum srcFormat, GLenum srcType );
-extern GLuint fxDDCompressedTextureSize (GLcontext *ctx,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format);
extern void fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
GLint internalFormat, GLint width, GLint height,
GLint border, GLenum format, GLenum type,
diff --git a/src/mesa/drivers/glide/fxsetup.c b/src/mesa/drivers/glide/fxsetup.c
index abef71a35e..9aa9599ae4 100644
--- a/src/mesa/drivers/glide/fxsetup.c
+++ b/src/mesa/drivers/glide/fxsetup.c
@@ -153,6 +153,19 @@ fxTexValidate(GLcontext * ctx, struct gl_texture_object *tObj)
else
FX_smallLodLog2(ti->info) = FX_largeLodLog2(ti->info);
+ /* this is necessary because of fxDDCompressedTexImage2D */
+ if ((ti->info.format == GR_TEXFMT_ARGB_CMP_FXT1) ||
+ (ti->info.format == GR_TEXFMT_ARGB_CMP_DXT1) ||
+ (ti->info.format == GR_TEXFMT_ARGB_CMP_DXT3) ||
+ (ti->info.format == GR_TEXFMT_ARGB_CMP_DXT5)) {
+ struct gl_texture_image *texImage = tObj->Image[0][minl];
+ tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+ if (mml->wScale != 1 || mml->hScale != 1) {
+ ti->sScale /= mml->wScale;
+ ti->tScale /= mml->hScale;
+ }
+ }
+
ti->baseLevelInternalFormat = tObj->Image[0][minl]->Format;
ti->validated = GL_TRUE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 07:41:57 +0000