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Ilia Mirkin

2014-Sep-13 22:16 UTC

[Nouveau] [PATCH] nouveau: fix glCompressedTexImage

mesa_texstore expects pixel data, not compressed data. For compressed
textures, we want to just copy the bits in without any conversion.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/mesa/drivers/dri/nouveau/nouveau_texture.c | 65 ++++++++++++++++++++------
 1 file changed, 52 insertions(+), 13 deletions(-)

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
index 4626cc3..dc5699c 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
@@ -413,6 +413,31 @@ get_teximage_placement(struct gl_texture_image *ti)
 }
 
 static void
+nouveau_compressed_copy(struct gl_context *ctx, GLint dims,
+			struct gl_texture_image *ti,
+			GLsizei width, GLsizei height, GLsizei depth,
+			const GLvoid *src, GLvoid *dst, int row_stride)
+{
+	struct compressed_pixelstore store;
+	int i;
+
+	_mesa_compute_compressed_pixelstore(dims, ti->TexFormat,
+					    width, height, depth,
+					    &ctx->Unpack, &store);
+
+	src += store.SkipBytes;
+
+	assert(store.CopySlices == 1);
+
+	/* copy rows of blocks */
+	for (i = 0; i < store.CopyRowsPerSlice; i++) {
+		memcpy(dst, src, store.CopyBytesPerRow);
+		dst += row_stride;
+		src += store.TotalBytesPerRow;
+	}
+}
+
+static void
 nouveau_teximage(struct gl_context *ctx, GLint dims,
 		 struct gl_texture_image *ti,
 		 GLsizei imageSize,
@@ -451,13 +476,19 @@ nouveau_teximage(struct gl_context *ctx, GLint dims,
 					  GL_MAP_WRITE_BIT,
 					  &map, &row_stride);
 
-		ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
-				     ti->TexFormat,
-				     row_stride,
-				     &map,
-				     ti->Width, ti->Height, depth,
-				     format, type, pixels, packing);
-		assert(ret);
+		if (compressed) {
+			nouveau_compressed_copy(ctx, dims, ti,
+						ti->Width, ti->Height, depth,
+						pixels, map, row_stride);
+		} else {
+			ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
+					     ti->TexFormat,
+					     row_stride,
+					     &map,
+					     ti->Width, ti->Height, depth,
+					     format, type, pixels, packing);
+			assert(ret);
+		}
 
 		nouveau_unmap_texture_image(ctx, ti, 0);
 		_mesa_unmap_teximage_pbo(ctx, packing);
@@ -502,7 +533,8 @@ static GLboolean
 nouveau_teximage_alloc(struct gl_context *ctx, struct gl_texture_image *ti)
 {
 	nouveau_teximage(ctx, 3, ti, 0, 0, 0, NULL,
-			 &ctx->DefaultPacking, GL_FALSE);
+			 &ctx->DefaultPacking,
+			 _mesa_is_format_compressed(ti->TexFormat));
 	return GL_TRUE;
 }
 
@@ -535,11 +567,18 @@ nouveau_texsubimage(struct gl_context *ctx, GLint dims,
 					  xoffset, yoffset, width, height,
 					  GL_MAP_WRITE_BIT, &map, &row_stride);
 
-		ret = _mesa_texstore(ctx, dims, ti->_BaseFormat, ti->TexFormat,
-				     row_stride, &map,
-                                     width, height, depth,
-				     format, type, pixels, packing);
-		assert(ret);
+		if (compressed) {
+			nouveau_compressed_copy(ctx, dims, ti,
+						width, height, depth,
+						pixels, map, row_stride);
+		} else {
+			ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
+					     ti->TexFormat,
+					     row_stride, &map,
+					     width, height, depth,
+					     format, type, pixels, packing);
+			assert(ret);
+		}
 
 		nouveau_unmap_texture_image(ctx, ti, 0);
 		_mesa_unmap_teximage_pbo(ctx, packing);
-- 
1.8.5.5

Francisco Jerez

2014-Sep-14 07:37 UTC

head link

[Nouveau] [PATCH] nouveau: fix glCompressedTexImage

Ilia Mirkin <imirkin at alum.mit.edu> writes:
> mesa_texstore expects pixel data, not compressed data. For compressed
> textures, we want to just copy the bits in without any conversion.
>
Any reason we cannot use _mesa_store_compressed_*image for this instead
of rolling our own?
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>  src/mesa/drivers/dri/nouveau/nouveau_texture.c | 65
++++++++++++++++++++------
>  1 file changed, 52 insertions(+), 13 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
> index 4626cc3..dc5699c 100644
> --- a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
> +++ b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
> @@ -413,6 +413,31 @@ get_teximage_placement(struct gl_texture_image *ti)
>  }
>  
>  static void
> +nouveau_compressed_copy(struct gl_context *ctx, GLint dims,
> +			struct gl_texture_image *ti,
> +			GLsizei width, GLsizei height, GLsizei depth,
> +			const GLvoid *src, GLvoid *dst, int row_stride)
> +{
> +	struct compressed_pixelstore store;
> +	int i;
> +
> +	_mesa_compute_compressed_pixelstore(dims, ti->TexFormat,
> +					    width, height, depth,
> +					    &ctx->Unpack, &store);
> +
> +	src += store.SkipBytes;
> +
> +	assert(store.CopySlices == 1);
> +
> +	/* copy rows of blocks */
> +	for (i = 0; i < store.CopyRowsPerSlice; i++) {
> +		memcpy(dst, src, store.CopyBytesPerRow);
> +		dst += row_stride;
> +		src += store.TotalBytesPerRow;
> +	}
> +}
> +
> +static void
>  nouveau_teximage(struct gl_context *ctx, GLint dims,
>  		 struct gl_texture_image *ti,
>  		 GLsizei imageSize,
> @@ -451,13 +476,19 @@ nouveau_teximage(struct gl_context *ctx, GLint dims,
>  					  GL_MAP_WRITE_BIT,
>  					  &map, &row_stride);
>  
> -		ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
> -				     ti->TexFormat,
> -				     row_stride,
> -				     &map,
> -				     ti->Width, ti->Height, depth,
> -				     format, type, pixels, packing);
> -		assert(ret);
> +		if (compressed) {
> +			nouveau_compressed_copy(ctx, dims, ti,
> +						ti->Width, ti->Height, depth,
> +						pixels, map, row_stride);
> +		} else {
> +			ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
> +					     ti->TexFormat,
> +					     row_stride,
> +					     &map,
> +					     ti->Width, ti->Height, depth,
> +					     format, type, pixels, packing);
> +			assert(ret);
> +		}
>  
>  		nouveau_unmap_texture_image(ctx, ti, 0);
>  		_mesa_unmap_teximage_pbo(ctx, packing);
> @@ -502,7 +533,8 @@ static GLboolean
>  nouveau_teximage_alloc(struct gl_context *ctx, struct gl_texture_image
*ti)
>  {
>  	nouveau_teximage(ctx, 3, ti, 0, 0, 0, NULL,
> -			 &ctx->DefaultPacking, GL_FALSE);
> +			 &ctx->DefaultPacking,
> +			 _mesa_is_format_compressed(ti->TexFormat));
>  	return GL_TRUE;
>  }
>  
> @@ -535,11 +567,18 @@ nouveau_texsubimage(struct gl_context *ctx, GLint
dims,
>  					  xoffset, yoffset, width, height,
>  					  GL_MAP_WRITE_BIT, &map, &row_stride);
>  
> -		ret = _mesa_texstore(ctx, dims, ti->_BaseFormat, ti->TexFormat,
> -				     row_stride, &map,
> -                                     width, height, depth,
> -				     format, type, pixels, packing);
> -		assert(ret);
> +		if (compressed) {
> +			nouveau_compressed_copy(ctx, dims, ti,
> +						width, height, depth,
> +						pixels, map, row_stride);
> +		} else {
> +			ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
> +					     ti->TexFormat,
> +					     row_stride, &map,
> +					     width, height, depth,
> +					     format, type, pixels, packing);
> +			assert(ret);
> +		}
>  
>  		nouveau_unmap_texture_image(ctx, ti, 0);
>  		_mesa_unmap_teximage_pbo(ctx, packing);
> -- 
> 1.8.5.5-------------- next part --------------
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Ilia Mirkin

2014-Sep-14 12:41 UTC

head link

[Nouveau] [PATCH] nouveau: fix glCompressedTexImage

On Sun, Sep 14, 2014 at 3:37 AM, Francisco Jerez <currojerez at
riseup.net> wrote:> Ilia Mirkin <imirkin at alum.mit.edu> writes:
>
>> mesa_texstore expects pixel data, not compressed data. For compressed
>> textures, we want to just copy the bits in without any conversion.
>>
>
> Any reason we cannot use _mesa_store_compressed_*image for this instead
> of rolling our own?
Hmmm... no reason that I can think of off-hand -- nor do I see one for
not using the default _mesa_store_*image... Perhaps there was before
the AllocTextureImageBuffer thing existed?
>
>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
>> ---
>>  src/mesa/drivers/dri/nouveau/nouveau_texture.c | 65
++++++++++++++++++++------
>>  1 file changed, 52 insertions(+), 13 deletions(-)
>>
>> diff --git a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
>> index 4626cc3..dc5699c 100644
>> --- a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
>> +++ b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
>> @@ -413,6 +413,31 @@ get_teximage_placement(struct gl_texture_image
*ti)
>>  }
>>
>>  static void
>> +nouveau_compressed_copy(struct gl_context *ctx, GLint dims,
>> +                     struct gl_texture_image *ti,
>> +                     GLsizei width, GLsizei height, GLsizei depth,
>> +                     const GLvoid *src, GLvoid *dst, int row_stride)
>> +{
>> +     struct compressed_pixelstore store;
>> +     int i;
>> +
>> +     _mesa_compute_compressed_pixelstore(dims, ti->TexFormat,
>> +                                         width, height, depth,
>> +                                         &ctx->Unpack,
&store);
>> +
>> +     src += store.SkipBytes;
>> +
>> +     assert(store.CopySlices == 1);
>> +
>> +     /* copy rows of blocks */
>> +     for (i = 0; i < store.CopyRowsPerSlice; i++) {
>> +             memcpy(dst, src, store.CopyBytesPerRow);
>> +             dst += row_stride;
>> +             src += store.TotalBytesPerRow;
>> +     }
>> +}
>> +
>> +static void
>>  nouveau_teximage(struct gl_context *ctx, GLint dims,
>>                struct gl_texture_image *ti,
>>                GLsizei imageSize,
>> @@ -451,13 +476,19 @@ nouveau_teximage(struct gl_context *ctx, GLint
dims,
>>                                         GL_MAP_WRITE_BIT,
>>                                         &map, &row_stride);
>>
>> -             ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
>> -                                  ti->TexFormat,
>> -                                  row_stride,
>> -                                  &map,
>> -                                  ti->Width, ti->Height, depth,
>> -                                  format, type, pixels, packing);
>> -             assert(ret);
>> +             if (compressed) {
>> +                     nouveau_compressed_copy(ctx, dims, ti,
>> +                                             ti->Width,
ti->Height, depth,
>> +                                             pixels, map, row_stride);
>> +             } else {
>> +                     ret = _mesa_texstore(ctx, dims,
ti->_BaseFormat,
>> +                                          ti->TexFormat,
>> +                                          row_stride,
>> +                                          &map,
>> +                                          ti->Width, ti->Height,
depth,
>> +                                          format, type, pixels,
packing);
>> +                     assert(ret);
>> +             }
>>
>>               nouveau_unmap_texture_image(ctx, ti, 0);
>>               _mesa_unmap_teximage_pbo(ctx, packing);
>> @@ -502,7 +533,8 @@ static GLboolean
>>  nouveau_teximage_alloc(struct gl_context *ctx, struct gl_texture_image
*ti)
>>  {
>>       nouveau_teximage(ctx, 3, ti, 0, 0, 0, NULL,
>> -                      &ctx->DefaultPacking, GL_FALSE);
>> +                      &ctx->DefaultPacking,
>> +                      _mesa_is_format_compressed(ti->TexFormat));
>>       return GL_TRUE;
>>  }
>>
>> @@ -535,11 +567,18 @@ nouveau_texsubimage(struct gl_context *ctx, GLint
dims,
>>                                         xoffset, yoffset, width,
height,
>>                                         GL_MAP_WRITE_BIT, &map,
&row_stride);
>>
>> -             ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
ti->TexFormat,
>> -                                  row_stride, &map,
>> -                                     width, height, depth,
>> -                                  format, type, pixels, packing);
>> -             assert(ret);
>> +             if (compressed) {
>> +                     nouveau_compressed_copy(ctx, dims, ti,
>> +                                             width, height, depth,
>> +                                             pixels, map, row_stride);
>> +             } else {
>> +                     ret = _mesa_texstore(ctx, dims,
ti->_BaseFormat,
>> +                                          ti->TexFormat,
>> +                                          row_stride, &map,
>> +                                          width, height, depth,
>> +                                          format, type, pixels,
packing);
>> +                     assert(ret);
>> +             }
>>
>>               nouveau_unmap_texture_image(ctx, ti, 0);
>>               _mesa_unmap_teximage_pbo(ctx, packing);
>> --
>> 1.8.5.5

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