From 0293878846551bfe349a4aa029a0489f9a73f1ff Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 22 Mar 2000 17:38:11 +0000 Subject: lots of changes for single-copy texture image DD interface --- src/mesa/main/teximage.c | 598 +++++++++++++++++++++++++++++------------------ 1 file changed, 374 insertions(+), 224 deletions(-) (limited to 'src/mesa/main') diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index aa48024029..d6b621fbbe 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1,4 +1,4 @@ -/* $Id: teximage.c,v 1.23 2000/03/21 01:03:40 brianp Exp $ */ +/* $Id: teximage.c,v 1.24 2000/03/22 17:38:11 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -50,22 +50,6 @@ */ -/* - * Default pixel packing of Mesa's internal texture images: - */ -static struct gl_pixelstore_attrib DefaultPacking = { - 1, /* Alignment */ - 0, /* RowLength */ - 0, /* SkipPixels */ - 0, /* SkipRows */ - 0, /* ImageHeight */ - 0, /* SkipImages */ - GL_FALSE, /* SwapBytes */ - GL_FALSE /* LsbFirst */ -}; - - - /* * Compute log base 2 of n. * If n isn't an exact power of two return -1. @@ -363,16 +347,15 @@ gl_alloc_texture_image( void ) /* - * Return a new gl_texture_image struct with most field initialized. + * Initialize most fields of a gl_texture_image struct. */ -static struct gl_texture_image * -new_texture_image( GLsizei width, GLsizei height, GLsizei depth, - GLint border, GLenum internalFormat ) +static void +init_texture_image( struct gl_texture_image *img, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum internalFormat ) { - struct gl_texture_image *img = CALLOC_STRUCT(gl_texture_image); - if (!img) - return NULL; - + ASSERT(img); + ASSERT(!img->Data); img->Format = (GLenum) decode_internal_format(internalFormat); set_teximage_component_sizes( img ); img->IntFormat = (GLenum) internalFormat; @@ -393,8 +376,6 @@ new_texture_image( GLsizei width, GLsizei height, GLsizei depth, img->Height2 = 1 << img->HeightLog2; img->Depth2 = 1 << img->DepthLog2; img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2); - - return img; } @@ -1040,7 +1021,8 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, if (target==GL_TEXTURE_1D) { struct gl_texture_unit *texUnit; - struct gl_texture_image *teximage; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; if (texture_error_check( ctx, target, level, internalFormat, format, type, 1, width, 1, 1, border )) { @@ -1048,33 +1030,67 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat, } texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - /* free current texture image, if any */ - if (texUnit->CurrentD[1]->Image[level]) { - gl_free_texture_image( texUnit->CurrentD[1]->Image[level] ); + texObj = texUnit->CurrentD[1]; + texImage = texObj->Image[level]; + + if (!texImage) { + texImage = gl_alloc_texture_image(); + texObj->Image[level] = texImage; + if (!texImage) { + gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D"); + return; + } + } + else if (texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; } - teximage = new_texture_image(width, 1, 1, border, internalFormat); + /* setup the teximage struct's fields */ + init_texture_image(texImage, width, 1, 1, border, internalFormat); - /* make new texture from source image */ + /* process the texture image */ if (pixels) { - make_texture_image(ctx, teximage, format, type, pixels, &ctx->Unpack); + GLboolean retain = GL_TRUE; + GLboolean success = GL_FALSE; + if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA + && ctx->Driver.TexImage1D) { + /* let device driver try to use raw image */ + success = (*ctx->Driver.TexImage1D)( ctx, target, level, format, + type, pixels, &ctx->Unpack, + texObj, texImage, &retain); + } + if (retain || !success) { + /* make internal copy of the texture image */ + make_texture_image(ctx, texImage, format, type, + pixels, &ctx->Unpack); + if (!success && ctx->Driver.TexImage1D) { + /* let device driver try to use unpacked image */ + (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, + texObj, texImage, &retain); + } + } + if (!retain && texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; + } } else { - make_null_texture(teximage); + make_null_texture(texImage); + if (ctx->Driver.TexImage1D) { + GLboolean retain; + (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, + texObj, texImage, &retain); + } } - /* install new texture image */ - texUnit->CurrentD[1]->Image[level] = teximage; - gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] ); + /* state update */ + gl_put_texobj_on_dirty_list( ctx, texObj ); ctx->NewState |= NEW_TEXTURING; - - /* tell driver about change */ - if (ctx->Driver.TexImage) { - (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_1D, - texUnit->CurrentD[1], - level, internalFormat, teximage ); - } } else if (target==GL_PROXY_TEXTURE_1D) { /* Proxy texture: check for errors and update proxy state */ @@ -1113,7 +1129,8 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, if (target==GL_TEXTURE_2D) { struct gl_texture_unit *texUnit; - struct gl_texture_image *teximage; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; if (texture_error_check( ctx, target, level, internalFormat, format, type, 2, width, height, 1, border )) { @@ -1121,33 +1138,76 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat, } texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - /* free current texture image, if any */ - if (texUnit->CurrentD[2]->Image[level]) { - gl_free_texture_image( texUnit->CurrentD[2]->Image[level] ); + texObj = texUnit->CurrentD[2]; + texImage = texObj->Image[level]; + + if (!texImage) { + texImage = gl_alloc_texture_image(); + texObj->Image[level] = texImage; + if (!texImage) { + gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D"); + return; + } + } + else if (texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; } - teximage = new_texture_image(width, height, 1, border,internalFormat); + /* setup the teximage struct's fields */ + init_texture_image(texImage, width, height, 1, border, internalFormat); - /* make new texture from source image */ + /* process the texture image */ if (pixels) { - make_texture_image(ctx, teximage, format, type, pixels, &ctx->Unpack); + GLboolean retain = GL_TRUE; + GLboolean success = GL_FALSE; + if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA + && ctx->Driver.TexImage2D) { + /* let device driver try to use raw image */ + success = (*ctx->Driver.TexImage2D)( ctx, target, level, format, + type, pixels, &ctx->Unpack, + texObj, texImage, &retain); + } + if (retain || !success) { + /* make internal copy of the texture image */ + make_texture_image(ctx, texImage, format, type, + pixels, &ctx->Unpack); + if (!success && ctx->Driver.TexImage2D) { + /* let device driver try to use unpacked image */ + (*ctx->Driver.TexImage2D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, + texObj, texImage, &retain); + } + } + if (!retain && texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; + } } else { - make_null_texture(teximage); + make_null_texture(texImage); + if (ctx->Driver.TexImage2D) { + GLboolean retain; + (*ctx->Driver.TexImage2D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, + texObj, texImage, &retain); + } } - /* install new texture image */ - texUnit->CurrentD[2]->Image[level] = teximage; - gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[2] ); - ctx->NewState |= NEW_TEXTURING; - - /* tell driver about change */ +#define OLD_DD_TEXTURE +#ifdef OLD_DD_TEXTURE + /* XXX this will be removed in the future */ if (ctx->Driver.TexImage) { - (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_2D, - texUnit->CurrentD[2], - level, internalFormat, teximage ); + (*ctx->Driver.TexImage)( ctx, target, texObj, level, internalFormat, + texImage ); } +#endif + + /* state update */ + gl_put_texobj_on_dirty_list( ctx, texObj ); + ctx->NewState |= NEW_TEXTURING; } else if (target==GL_PROXY_TEXTURE_2D) { /* Proxy texture: check for errors and update proxy state */ @@ -1191,7 +1251,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, if (target==GL_TEXTURE_3D_EXT) { struct gl_texture_unit *texUnit; - struct gl_texture_image *teximage; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; if (texture_error_check( ctx, target, level, internalFormat, format, type, 3, width, height, depth, border )) { @@ -1199,34 +1260,68 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat, } texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - - /* free current texture image, if any */ - if (texUnit->CurrentD[3]->Image[level]) { - gl_free_texture_image( texUnit->CurrentD[3]->Image[level] ); + texObj = texUnit->CurrentD[3]; + texImage = texObj->Image[level]; + + if (!texImage) { + texImage = gl_alloc_texture_image(); + texObj->Image[level] = texImage; + if (!texImage) { + gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D"); + return; + } + } + else if (texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; } - teximage = new_texture_image(width, height, depth, - border, internalFormat); + /* setup the teximage struct's fields */ + init_texture_image(texImage, width, height, depth, + border, internalFormat); - /* make new texture from source image */ + /* process the texture image */ if (pixels) { - make_texture_image(ctx, teximage, format, type, pixels, &ctx->Unpack); + GLboolean retain = GL_TRUE; + GLboolean success = GL_FALSE; + if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA + && ctx->Driver.TexImage3D) { + /* let device driver try to use raw image */ + success = (*ctx->Driver.TexImage3D)( ctx, target, level, format, + type, pixels, &ctx->Unpack, + texObj, texImage, &retain); + } + if (retain || !success) { + /* make internal copy of the texture image */ + make_texture_image(ctx, texImage, format, type, + pixels, &ctx->Unpack); + if (!success && ctx->Driver.TexImage3D) { + /* let device driver try to use unpacked image */ + (*ctx->Driver.TexImage3D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, + texObj, texImage, &retain); + } + } + if (!retain && texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; + } } else { - make_null_texture(teximage); + make_null_texture(texImage); + if (ctx->Driver.TexImage3D) { + GLboolean retain; + (*ctx->Driver.TexImage3D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, + texObj, texImage, &retain); + } } - /* install new texture image */ - texUnit->CurrentD[3]->Image[level] = teximage; - gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[3] ); + /* state update */ + gl_put_texobj_on_dirty_list( ctx, texObj ); ctx->NewState |= NEW_TEXTURING; - - /* tell driver about change */ - if (ctx->Driver.TexImage) { - (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_3D_EXT, - texUnit->CurrentD[3], - level, internalFormat, teximage ); - } } else if (target==GL_PROXY_TEXTURE_3D_EXT) { /* Proxy texture: check for errors and update proxy state */ @@ -1332,7 +1427,7 @@ get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level, for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { _mesa_unpack_index_span(ctx, width, dstType, destPtr, - imgType, srcPtr, &DefaultPacking, GL_FALSE); + imgType, srcPtr, &_mesa_native_packing, GL_FALSE); destPtr += destBytesPerRow; srcPtr += srcBytesPerRow; } @@ -1344,7 +1439,7 @@ get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level, for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { _mesa_unpack_ubyte_color_span(ctx, width, dstFormat, destPtr, - imgFormat, imgType, srcPtr, &DefaultPacking, GL_FALSE); + imgFormat, imgType, srcPtr, &_mesa_native_packing, GL_FALSE); destPtr += destBytesPerRow; srcPtr += srcBytesPerRow; } @@ -1516,64 +1611,78 @@ _mesa_TexSubImage1D( GLenum target, GLint level, const GLvoid *pixels ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - struct gl_texture_image *destTex; + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLboolean success = GL_FALSE; if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, format, type)) { return; /* error was detected */ } - destTex = texUnit->CurrentD[1]->Image[level]; - assert(destTex); + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = texUnit->CurrentD[1]; + texImage = texObj->Image[level]; + assert(texImage); if (width == 0 || !pixels) return; /* no-op, not an error */ - /* - * Replace the texture subimage - */ - { - const GLint texComponents = components_in_intformat(destTex->Format); - const GLenum texFormat = destTex->Format; - const GLint xoffsetb = xoffset + destTex->Border; - GLubyte *dst = destTex->Data + xoffsetb * texComponents; + if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA + && ctx->Driver.TexSubImage1D) { + success = (*ctx->Driver.TexSubImage1D)( ctx, target, level, xoffset, + width, format, type, pixels, + &ctx->Unpack, texObj, texImage ); + } + if (!success) { + /* XXX if Driver.TexSubImage1D, unpack image and try again? */ + + const GLint texComponents = components_in_intformat(texImage->Format); + const GLenum texFormat = texImage->Format; + const GLint xoffsetb = xoffset + texImage->Border; + GLboolean retain = GL_TRUE; + if (!texImage->Data) { + get_teximage_from_driver( ctx, target, level, texObj ); + if (!texImage->Data) { + make_null_texture(texImage); + } + if (!texImage->Data) + return; /* we're really out of luck! */ + } + if (texFormat == GL_COLOR_INDEX) { /* color index texture */ - const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, - width, 1, format, type, 0, 0, 0); + GLubyte *dst = texImage->Data + xoffsetb * texComponents; + const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, width, + 1, format, type, 0, 0, 0); _mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst, - type, src, &ctx->Unpack, GL_TRUE); + type, src, &ctx->Unpack, GL_TRUE); } else { /* color texture */ - const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, - width, 1, format, type, 0, 0, 0); - _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, - format, type, src, &ctx->Unpack, GL_TRUE); + GLubyte *dst = texImage->Data + xoffsetb * texComponents; + const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, width, + 1, format, type, 0, 0, 0); + _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, format, + type, src, &ctx->Unpack, GL_TRUE); } - } - gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] ); + if (ctx->Driver.TexImage1D) { + (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, texObj, texImage, + &retain ); + } - /* - * Inform device driver of texture image change. - */ - if (ctx->Driver.TexSubImage) { - (*ctx->Driver.TexSubImage)(ctx, GL_TEXTURE_1D, texUnit->CurrentD[1], - level, xoffset, 0, width, 1, - texUnit->CurrentD[1]->Image[level]->IntFormat, - destTex ); - } - else { - if (ctx->Driver.TexImage) { - (*ctx->Driver.TexImage)(ctx, GL_TEXTURE_1D, texUnit->CurrentD[1], - level, - texUnit->CurrentD[1]->Image[level]->IntFormat, - destTex ); + if (!retain && texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; } } + + /*gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] );*/ } @@ -1585,75 +1694,104 @@ _mesa_TexSubImage2D( GLenum target, GLint level, const GLvoid *pixels ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - struct gl_texture_image *destTex; + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLboolean success = GL_FALSE; if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1, format, type)) { return; /* error was detected */ } - destTex = texUnit->CurrentD[2]->Image[level]; - assert(destTex); + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = texUnit->CurrentD[2]; + texImage = texObj->Image[level]; + assert(texImage); if (width == 0 || height == 0 || !pixels) return; /* no-op, not an error */ + if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA + && ctx->Driver.TexSubImage2D) { + success = (*ctx->Driver.TexSubImage2D)( ctx, target, level, xoffset, + yoffset, width, height, format, type, + pixels, &ctx->Unpack, texObj, texImage ); + } + if (!success) { + /* XXX if Driver.TexSubImage2D, unpack image and try again? */ + + const GLint texComponents = components_in_intformat(texImage->Format); + const GLenum texFormat = texImage->Format; + const GLint xoffsetb = xoffset + texImage->Border; + const GLint yoffsetb = yoffset + texImage->Border; + const GLint srcStride = _mesa_image_row_stride(&ctx->Unpack, width, + format, type); + const GLint dstStride = texImage->Width * texComponents *sizeof(GLubyte); + GLboolean retain = GL_TRUE; + + if (!texImage->Data) { + get_teximage_from_driver( ctx, target, level, texObj ); + if (!texImage->Data) { + make_null_texture(texImage); + } + if (!texImage->Data) + return; /* we're really out of luck! */ + } - /* - * Replace the texture subimage - */ - { - const GLint texComponents = components_in_intformat(destTex->Format); - const GLenum texFormat = destTex->Format; - const GLint xoffsetb = xoffset + destTex->Border; - const GLint yoffsetb = yoffset + destTex->Border; - GLubyte *dst = destTex->Data - + (yoffsetb * destTex->Width + xoffsetb) * texComponents; if (texFormat == GL_COLOR_INDEX) { /* color index texture */ - const GLint stride = destTex->Width * sizeof(GLubyte); + GLubyte *dst = texImage->Data + + (yoffsetb * texImage->Width + xoffsetb) * texComponents; + const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels, + width, height, format, type, 0, 0, 0); GLint row; for (row = 0; row < height; row++) { - const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, - width, height, format, type, 0, row, 0); - _mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst, - type, src, &ctx->Unpack, GL_TRUE); - dst += stride; + _mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst, type, + (const GLvoid *) src, &ctx->Unpack, GL_TRUE); + src += srcStride; + dst += dstStride; } } else { /* color texture */ - const GLint stride = destTex->Width * texComponents * sizeof(GLubyte); + GLubyte *dst = texImage->Data + + (yoffsetb * texImage->Width + xoffsetb) * texComponents; + const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels, + width, height, format, type, 0, 0, 0); GLint row; for (row = 0; row < height; row++) { - const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, - width, height, format, type, 0, row, 0); - _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, - format, type, src, &ctx->Unpack, GL_TRUE); - dst += stride; + _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, format, + type, (const GLvoid *) src, &ctx->Unpack, GL_TRUE); + src += srcStride; + dst += dstStride; } } - } - gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[2] ); + if (ctx->Driver.TexImage2D) { + (*ctx->Driver.TexImage2D)(ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, texObj, texImage, + &retain); + } - /* - * Inform device driver of texture image change. - */ - if (ctx->Driver.TexSubImage) { - (*ctx->Driver.TexSubImage)(ctx, GL_TEXTURE_2D, texUnit->CurrentD[2], - level, xoffset, yoffset, width, height, - texUnit->CurrentD[2]->Image[level]->IntFormat, - destTex ); - } - else { - if (ctx->Driver.TexImage) { - (*ctx->Driver.TexImage)(ctx, GL_TEXTURE_2D, texUnit->CurrentD[2], - level, - texUnit->CurrentD[2]->Image[level]->IntFormat, - destTex ); + if (!retain && texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; } + +#ifdef OLD_DD_TEXTURE + /* XXX this will be removed in the future */ + if (ctx->Driver.TexSubImage) { + (*ctx->Driver.TexSubImage)(ctx, target, texObj, level, + xoffset, yoffset, width, height, + texImage->IntFormat, texImage); + } + else if (ctx->Driver.TexImage) { + (*ctx->Driver.TexImage)(ctx, GL_TEXTURE_1D, texObj, + level, texImage->IntFormat, texImage ); + } +#endif } } @@ -1667,70 +1805,90 @@ _mesa_TexSubImage3D( GLenum target, GLint level, const GLvoid *pixels ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - struct gl_texture_image *destTex; + struct gl_texture_unit *texUnit; + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GLboolean success = GL_FALSE; if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset, width, height, depth, format, type)) { return; /* error was detected */ } - destTex = texUnit->CurrentD[3]->Image[level]; - assert(destTex); + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + texObj = texUnit->CurrentD[3]; + texImage = texObj->Image[level]; + assert(texImage); if (width == 0 || height == 0 || height == 0 || !pixels) return; /* no-op, not an error */ - /* - * Replace the texture subimage - */ - { - const GLint texComponents = components_in_intformat(destTex->Format); - const GLenum texFormat = destTex->Format; - const GLint xoffsetb = xoffset + destTex->Border; - const GLint yoffsetb = yoffset + destTex->Border; - const GLint zoffsetb = zoffset + destTex->Border; - GLint dstRectArea = destTex->Width * destTex->Height; - GLubyte *dst = destTex->Data - + (zoffsetb * dstRectArea + yoffsetb * destTex->Width + xoffsetb) - * texComponents; + if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA + && ctx->Driver.TexSubImage3D) { + success = (*ctx->Driver.TexSubImage3D)( ctx, target, level, xoffset, + yoffset, zoffset, width, height, depth, format, + type, pixels, &ctx->Unpack, texObj, texImage ); + } + if (!success) { + /* XXX if Driver.TexSubImage3D, unpack image and try again? */ + + const GLint texComponents = components_in_intformat(texImage->Format); + const GLenum texFormat = texImage->Format; + const GLint xoffsetb = xoffset + texImage->Border; + const GLint yoffsetb = yoffset + texImage->Border; + const GLint zoffsetb = zoffset + texImage->Border; + const GLint texWidth = texImage->Width; + const GLint dstRectArea = texWidth * texImage->Height; + const GLint srcStride = _mesa_image_row_stride(&ctx->Unpack, + width, format, type); + const GLint dstStride = texWidth * texComponents * sizeof(GLubyte); + GLboolean retain = GL_TRUE; if (texFormat == GL_COLOR_INDEX) { /* color index texture */ - const GLint stride = destTex->Width * sizeof(GLubyte); GLint img, row; for (img = 0; img < depth; img++) { + const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels, + width, height, format, type, img, 0, 0); + GLubyte *dst = texImage->Data + ((zoffsetb + img) * dstRectArea + + yoffsetb * texWidth + xoffsetb) * texComponents; for (row = 0; row < height; row++) { - const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, - width, height, format, type, img, row, 0); _mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst, - type, src, &ctx->Unpack, GL_TRUE); - dst += stride; + type, (const GLvoid *) src, &ctx->Unpack, GL_TRUE); + src += srcStride; + dst += dstStride; } } } else { /* color texture */ - const GLint stride = destTex->Width * texComponents * sizeof(GLubyte); GLint img, row; for (img = 0; img < depth; img++) { + const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels, + width, height, format, type, img, 0, 0); + GLubyte *dst = texImage->Data + ((zoffsetb + img) * dstRectArea + + yoffsetb * texWidth + xoffsetb) * texComponents; for (row = 0; row < height; row++) { - const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, - width, height, format, type, img, row, 0); _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, - format, type, src, &ctx->Unpack, GL_TRUE); - dst += stride; + format, type, (const GLvoid *) src, &ctx->Unpack, GL_TRUE); + src += srcStride; + dst += dstStride; } } } - } - gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] ); + if (ctx->Driver.TexImage3D) { + (*ctx->Driver.TexImage3D)(ctx, target, level, texImage->Format, + GL_UNSIGNED_BYTE, texImage->Data, + &_mesa_native_packing, texObj, texImage, + &retain); + } - /* - * Inform device driver of texture image change. - */ - /* XXX todo */ + if (!retain && texImage->Data) { + FREE(texImage->Data); + texImage->Data = NULL; + } + } } @@ -1845,17 +2003,6 @@ copy_tex_sub_image( GLcontext *ctx, struct gl_texture_image *dest, GLint srcx, GLint srcy, GLint dstx, GLint dsty, GLint dstz ) { - static struct gl_pixelstore_attrib packing = { - 1, /* Alignment */ - 0, /* RowLength */ - 0, /* SkipPixels */ - 0, /* SkipRows */ - 0, /* ImageHeight */ - 0, /* SkipImages */ - GL_FALSE, /* SwapBytes */ - GL_FALSE /* LsbFirst */ - }; - GLint i; GLint format, components, rectarea; GLint texwidth, texheight, zoffset; @@ -1882,7 +2029,7 @@ copy_tex_sub_image( GLcontext *ctx, struct gl_texture_image *dest, dst = dest->Data + ( zoffset + (dsty+i) * texwidth + dstx) * components; _mesa_unpack_ubyte_color_span(ctx, width, format, dst, GL_RGBA, GL_UNSIGNED_BYTE, rgba, - &packing, GL_TRUE); + &_mesa_native_packing, GL_TRUE); } /* Read from draw buffer (the default) */ @@ -1916,6 +2063,7 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level, if (teximage->Data) { copy_tex_sub_image(ctx, teximage, width, 1, x, y, xoffset, 0, 0); /* tell driver about the change */ + /* XXX call Driver.TexSubImage instead? */ if (ctx->Driver.TexImage) { (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_1D, texUnit->CurrentD[1], @@ -1952,6 +2100,7 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level, copy_tex_sub_image(ctx, teximage, width, height, x, y, xoffset, yoffset, 0); /* tell driver about the change */ + /* XXX call Driver.TexSubImage instead? */ if (ctx->Driver.TexImage) { (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_2D, texUnit->CurrentD[2], @@ -1975,23 +2124,24 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level, xoffset, yoffset, zoffset, width, height)) return; - if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA + if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA || !ctx->Driver.CopyTexSubImage3D || !(*ctx->Driver.CopyTexSubImage3D)(ctx, target, level, - xoffset, yoffset, zoffset, x, y, width, height )) { - struct gl_texture_unit *texUnit; - struct gl_texture_image *teximage; - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - teximage = texUnit->CurrentD[3]->Image[level]; - assert(teximage); - if (teximage->Data) { - copy_tex_sub_image(ctx, teximage, width, height, + xoffset, yoffset, zoffset, x, y, width, height )) { + struct gl_texture_unit *texUnit; + struct gl_texture_image *teximage; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + teximage = texUnit->CurrentD[3]->Image[level]; + assert(teximage); + if (teximage->Data) { + copy_tex_sub_image(ctx, teximage, width, height, x, y, xoffset, yoffset, zoffset); - /* tell driver about the change */ - if (ctx->Driver.TexImage) { - (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_3D, - texUnit->CurrentD[3], - level, teximage->IntFormat, teximage ); + /* tell driver about the change */ + /* XXX call Driver.TexSubImage instead? */ + if (ctx->Driver.TexImage) { + (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_3D, + texUnit->CurrentD[3], + level, teximage->IntFormat, teximage ); } } } -- cgit v1.2.3