diff options
Diffstat (limited to 'mesalib/src/mesa/main/teximage.c')
| -rw-r--r-- | mesalib/src/mesa/main/teximage.c | 681 |
1 files changed, 447 insertions, 234 deletions
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c index 611d664b6..8d9d7cfc1 100644 --- a/mesalib/src/mesa/main/teximage.c +++ b/mesalib/src/mesa/main/teximage.c @@ -53,6 +53,7 @@ #include "mtypes.h" #include "glformats.h" #include "texstore.h" +#include "pbo.h" /** @@ -1619,32 +1620,30 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, /* Check size */ if (subWidth < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "%s%dD(width=%d)", func, dims, subWidth); + "%s(width=%d)", func, subWidth); return GL_TRUE; } if (dims > 1 && subHeight < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "%s%dD(height=%d)", func, dims, subHeight); + "%s(height=%d)", func, subHeight); return GL_TRUE; } if (dims > 2 && subDepth < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "%s%dD(depth=%d)", func, dims, subDepth); + "%s(depth=%d)", func, subDepth); return GL_TRUE; } /* check xoffset and width */ if (xoffset < - (GLint) destImage->Border) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(xoffset)", - func, dims); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset)", func); return GL_TRUE; } if (xoffset + subWidth > (GLint) destImage->Width) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(xoffset+width)", - func, dims); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset+width)", func); return GL_TRUE; } @@ -1652,13 +1651,11 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, if (dims > 1) { GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destImage->Border; if (yoffset < -yBorder) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(yoffset)", - func, dims); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset)", func); return GL_TRUE; } if (yoffset + subHeight > (GLint) destImage->Height) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(yoffset+height)", - func, dims); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset+height)", func); return GL_TRUE; } } @@ -1671,7 +1668,7 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, 0 : destImage->Border; if (zoffset < -zBorder) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset)", func); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset)", func); return GL_TRUE; } @@ -1679,7 +1676,7 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, if (target == GL_TEXTURE_CUBE_MAP) depth = 6; if (zoffset + subDepth > depth) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset+depth)", func); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset+depth)", func); return GL_TRUE; } } @@ -1697,8 +1694,8 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, /* offset must be multiple of block size */ if ((xoffset % bw != 0) || (yoffset % bh != 0)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "%s%dD(xoffset = %d, yoffset = %d)", - func, dims, xoffset, yoffset); + "%s(xoffset = %d, yoffset = %d)", + func, xoffset, yoffset); return GL_TRUE; } @@ -1710,14 +1707,14 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims, if ((subWidth % bw != 0) && (xoffset + subWidth != (GLint) destImage->Width)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "%s%dD(width = %d)", func, dims, subWidth); + "%s(width = %d)", func, subWidth); return GL_TRUE; } if ((subHeight % bh != 0) && (yoffset + subHeight != (GLint) destImage->Height)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "%s%dD(height = %d)", func, dims, subHeight); + "%s(height = %d)", func, subHeight); return GL_TRUE; } } @@ -2113,7 +2110,8 @@ texture_error_check( struct gl_context *ctx, GLint level, GLint internalFormat, GLenum format, GLenum type, GLint width, GLint height, - GLint depth, GLint border ) + GLint depth, GLint border, + const GLvoid *pixels ) { GLenum err; @@ -2198,6 +2196,13 @@ texture_error_check( struct gl_context *ctx, return GL_TRUE; } + /* validate the bound PBO, if any */ + if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack, + width, height, depth, format, type, + INT_MAX, pixels, "glTexImage")) { + return GL_TRUE; + } + /* make sure internal format and format basically agree */ if (!texture_formats_agree(internalFormat, format)) { _mesa_error(ctx, GL_INVALID_OPERATION, @@ -2294,7 +2299,7 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, - GLsizei imageSize) + GLsizei imageSize, const GLvoid *data) { const GLint maxLevels = _mesa_max_texture_levels(ctx, target); GLint expectedSize; @@ -2322,6 +2327,13 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, return GL_TRUE; } + /* validate the bound PBO, if any */ + if (!_mesa_validate_pbo_source_compressed(ctx, dimensions, &ctx->Unpack, + imageSize, data, + "glCompressedTexImage")) { + return GL_TRUE; + } + switch (internalFormat) { case GL_PALETTE4_RGB8_OES: case GL_PALETTE4_RGBA8_OES: @@ -2454,30 +2466,28 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint width, GLint height, GLint depth, - GLenum format, GLenum type, bool dsa) + GLenum format, GLenum type, const GLvoid *pixels, + bool dsa, const char *callerName) { struct gl_texture_image *texImage; GLenum err; - const char* suffix = dsa ? "ture" : ""; if (!texObj) { /* must be out of memory */ - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sSubImage%dD()", - suffix, dimensions); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", callerName); return GL_TRUE; } /* check target (proxies not allowed) */ if (!legal_texsubimage_target(ctx, dimensions, target, dsa)) { - _mesa_error(ctx, GL_INVALID_ENUM, "glTex%sSubImage%uD(target=%s)", - suffix, dimensions, _mesa_lookup_enum_by_nr(target)); + _mesa_error(ctx, GL_INVALID_ENUM, "%s(target=%s)", + callerName, _mesa_lookup_enum_by_nr(target)); return GL_TRUE; } /* level check */ if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sSubImage%uD(level=%d)", - suffix, dimensions, level); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level); return GL_TRUE; } @@ -2489,9 +2499,8 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) { err = _mesa_es_error_check_format_and_type(format, type, dimensions); if (err != GL_NO_ERROR) { - _mesa_error(ctx, err, - "glTex%sSubImage%dD(format = %s, type = %s)", - suffix, dimensions, _mesa_lookup_enum_by_nr(format), + _mesa_error(ctx, err, "%s(format = %s, type = %s)", + callerName, _mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type)); return GL_TRUE; } @@ -2500,34 +2509,37 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, err = _mesa_error_check_format_and_type(ctx, format, type); if (err != GL_NO_ERROR) { _mesa_error(ctx, err, - "glTex%sSubImage%dD(incompatible format = %s, type = %s)", - suffix, dimensions, _mesa_lookup_enum_by_nr(format), + "%s(incompatible format = %s, type = %s)", + callerName, _mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type)); return GL_TRUE; } + /* validate the bound PBO, if any */ + if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack, + width, height, depth, format, type, + INT_MAX, pixels, callerName)) { + return GL_TRUE; + } + texImage = _mesa_select_tex_image(texObj, target, level); if (!texImage) { /* non-existant texture level */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glTex%sSubImage%dD(invalid texture image)", suffix, - dimensions); + _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture image)", + callerName); return GL_TRUE; } if (error_check_subtexture_dimensions(ctx, dimensions, texImage, xoffset, yoffset, zoffset, - width, height, depth, - dsa ? "glTextureSubImage" : - "glTexSubImage")) { + width, height, depth, callerName)) { return GL_TRUE; } if (_mesa_is_format_compressed(texImage->TexFormat)) { if (compressedteximage_only_format(ctx, texImage->InternalFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glTex%sSubImage%dD(no compression for format)", - suffix, dimensions); + "%s(no compression for format)", callerName); return GL_TRUE; } } @@ -2537,8 +2549,7 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions, if (_mesa_is_format_integer_color(texImage->TexFormat) != _mesa_is_enum_format_integer(format)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glTex%sSubImage%dD(integer/non-integer format mismatch)", - suffix, dimensions); + "%s(integer/non-integer format mismatch)", callerName); return GL_TRUE; } } @@ -2815,10 +2826,9 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions, const struct gl_texture_object *texObj, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, - GLint width, GLint height, bool dsa) + GLint width, GLint height, const char *caller) { struct gl_texture_image *texImage; - const char *suffix = dsa ? "ture" : ""; /* Check that the source buffer is complete */ if (_mesa_is_user_fbo(ctx->ReadBuffer)) { @@ -2827,31 +2837,26 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions, } if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glCopyTex%sSubImage%dD(invalid readbuffer)", - suffix, dimensions); + "%s(invalid readbuffer)", caller); return GL_TRUE; } if (ctx->ReadBuffer->Visual.samples > 0) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyTex%sSubImage%dD(multisample FBO)", suffix, - dimensions); + "%s(multisample FBO)", caller); return GL_TRUE; } } /* Check level */ if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyTex%sSubImage%dD(level=%d)", suffix, - dimensions, level); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", caller, level); return GL_TRUE; } /* Get dest image pointers */ if (!texObj) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTex%sSubImage%dD()", - suffix, dimensions); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", caller); return GL_TRUE; } @@ -2859,37 +2864,33 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions, if (!texImage) { /* destination image does not exist */ _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyTex%sSubImage%dD(invalid texture image)", - suffix, dimensions); + "%s(invalid texture image)", caller); return GL_TRUE; } if (error_check_subtexture_dimensions(ctx, dimensions, texImage, xoffset, yoffset, zoffset, - width, height, 1, dsa ? - "glCompressedTextureSubImage" : - "glCompressedTexSubImage")) { + width, height, 1, caller)) { return GL_TRUE; } if (_mesa_is_format_compressed(texImage->TexFormat)) { if (compressedteximage_only_format(ctx, texImage->InternalFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyTex%sSubImage%dD(no compression for format)", - suffix, dimensions); + "%s(no compression for format)", caller); return GL_TRUE; } } if (texImage->InternalFormat == GL_YCBCR_MESA) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTex%sSubImage2D", suffix); + _mesa_error(ctx, GL_INVALID_OPERATION, "%s()", caller); return GL_TRUE; } if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyTex%sSubImage%dD(missing readbuffer, format=0x%x)", - suffix, dimensions, texImage->_BaseFormat); + "%s(missing readbuffer, format=0x%x)", caller, + texImage->_BaseFormat); return GL_TRUE; } @@ -2907,8 +2908,7 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions, if (_mesa_is_format_integer_color(rb->Format) != _mesa_is_format_integer_color(texImage->TexFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyTex%sSubImage%dD(integer vs non-integer)", - suffix, dimensions); + "%s(integer vs non-integer)", caller); return GL_TRUE; } } @@ -3218,12 +3218,13 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims, if (compressed_texture_error_check(ctx, dims, target, level, internalFormat, width, height, depth, - border, imageSize)) + border, imageSize, pixels)) return; } else { if (texture_error_check(ctx, dims, target, level, internalFormat, - format, type, width, height, depth, border)) + format, type, width, height, depth, border, + pixels)) return; } @@ -3562,7 +3563,8 @@ static void texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, - GLenum format, GLenum type, const GLvoid *pixels) + GLenum format, GLenum type, const GLvoid *pixels, + const char *callerName) { struct gl_texture_object *texObj; struct gl_texture_image *texImage; @@ -3573,7 +3575,8 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level, if (texsubimage_error_check(ctx, dims, texObj, target, level, xoffset, yoffset, zoffset, - width, height, depth, format, type, false)) { + width, height, depth, format, type, + pixels, false, callerName)) { return; /* error was detected */ } @@ -3603,7 +3606,8 @@ texturesubimage(struct gl_context *ctx, GLuint dims, GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, - GLenum format, GLenum type, const GLvoid *pixels) + GLenum format, GLenum type, const GLvoid *pixels, + const char *callerName) { struct gl_texture_object *texObj; struct gl_texture_image *texImage; @@ -3627,7 +3631,8 @@ texturesubimage(struct gl_context *ctx, GLuint dims, if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level, xoffset, yoffset, zoffset, - width, height, depth, format, type, true)) { + width, height, depth, format, type, + pixels, true, callerName)) { return; /* error was detected */ } @@ -3636,20 +3641,6 @@ texturesubimage(struct gl_context *ctx, GLuint dims, if (texObj->Target == GL_TEXTURE_CUBE_MAP) { GLint rowStride; - /* Error checking */ - if (texObj->NumLayers < 6) { - /* Not enough image planes for a cube map. The spec does not say - * what should happen in this case because the user has always - * specified each cube face separately (using - * GL_TEXTURE_CUBE_MAP_POSITIVE_X+i) in previous GL versions. - * This is addressed in Khronos Bug 13223. - */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glTextureSubImage%uD(insufficient cube map storage)", - dims); - return; - } - /* * What do we do if the user created a texture with the following code * and then called this function with its handle? @@ -3691,6 +3682,8 @@ texturesubimage(struct gl_context *ctx, GLuint dims, /* Copy in each face. */ for (i = 0; i < 6; ++i) { texImage = texObj->Image[i][level]; + assert(texImage); + _mesa_texture_sub_image(ctx, 3, texObj, texImage, texObj->Target, level, xoffset, yoffset, zoffset, width, height, 1, format, @@ -3700,8 +3693,7 @@ texturesubimage(struct gl_context *ctx, GLuint dims, } else { texImage = _mesa_select_tex_image(texObj, texObj->Target, level); - if (!texImage) - return; + assert(texImage); _mesa_texture_sub_image(ctx, dims, texObj, texImage, texObj->Target, level, xoffset, yoffset, zoffset, @@ -3721,7 +3713,7 @@ _mesa_TexSubImage1D( GLenum target, GLint level, texsubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, - format, type, pixels); + format, type, pixels, "glTexSubImage1D"); } @@ -3736,7 +3728,7 @@ _mesa_TexSubImage2D( GLenum target, GLint level, texsubimage(ctx, 2, target, level, xoffset, yoffset, 0, width, height, 1, - format, type, pixels); + format, type, pixels, "glTexSubImage2D"); } @@ -3752,7 +3744,7 @@ _mesa_TexSubImage3D( GLenum target, GLint level, texsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, width, height, depth, - format, type, pixels); + format, type, pixels, "glTexSubImage3D"); } void GLAPIENTRY @@ -3765,7 +3757,7 @@ _mesa_TextureSubImage1D(GLuint texture, GLint level, texturesubimage(ctx, 1, texture, level, xoffset, 0, 0, width, 1, 1, - format, type, pixels); + format, type, pixels, "glTextureSubImage1D"); } @@ -3780,7 +3772,7 @@ _mesa_TextureSubImage2D(GLuint texture, GLint level, texturesubimage(ctx, 2, texture, level, xoffset, yoffset, 0, width, height, 1, - format, type, pixels); + format, type, pixels, "glTextureSubImage2D"); } @@ -3795,7 +3787,7 @@ _mesa_TextureSubImage3D(GLuint texture, GLint level, texturesubimage(ctx, 3, texture, level, xoffset, yoffset, zoffset, width, height, depth, - format, type, pixels); + format, type, pixels, "glTextureSubImage3D"); } @@ -4040,15 +4032,14 @@ _mesa_copy_texture_sub_image(struct gl_context *ctx, GLuint dims, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height, - bool dsa) + const char *caller) { struct gl_texture_image *texImage; FLUSH_VERTICES(ctx, 0); if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) - _mesa_debug(ctx, "glCopyTex%sSubImage%uD %s %d %d %d %d %d %d %d %d\n", - dsa ? "ture" : "", dims, + _mesa_debug(ctx, "%s %s %d %d %d %d %d %d %d %d\n", caller, _mesa_lookup_enum_by_nr(target), level, xoffset, yoffset, zoffset, x, y, width, height); @@ -4057,7 +4048,7 @@ _mesa_copy_texture_sub_image(struct gl_context *ctx, GLuint dims, if (copytexsubimage_error_check(ctx, dims, texObj, target, level, xoffset, yoffset, zoffset, - width, height, dsa)) { + width, height, caller)) { return; } @@ -4103,14 +4094,14 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width ) { struct gl_texture_object* texObj; + const char *self = "glCopyTexSubImage1D"; GET_CURRENT_CONTEXT(ctx); /* Check target (proxies not allowed). Target must be checked prior to * calling _mesa_get_current_tex_object. */ if (!legal_texsubimage_target(ctx, 1, target, false)) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glCopyTexSubImage1D(invalid target %s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, _mesa_lookup_enum_by_nr(target)); return; } @@ -4120,7 +4111,7 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level, return; _mesa_copy_texture_sub_image(ctx, 1, texObj, target, level, xoffset, 0, 0, - x, y, width, 1, false); + x, y, width, 1, self); } @@ -4131,14 +4122,14 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level, GLint x, GLint y, GLsizei width, GLsizei height ) { struct gl_texture_object* texObj; + const char *self = "glCopyTexSubImage2D"; GET_CURRENT_CONTEXT(ctx); /* Check target (proxies not allowed). Target must be checked prior to * calling _mesa_get_current_tex_object. */ if (!legal_texsubimage_target(ctx, 2, target, false)) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glCopyTexSubImage2D(invalid target %s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, _mesa_lookup_enum_by_nr(target)); return; } @@ -4149,7 +4140,7 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level, _mesa_copy_texture_sub_image(ctx, 2, texObj, target, level, xoffset, yoffset, 0, - x, y, width, height, false); + x, y, width, height, self); } @@ -4160,14 +4151,14 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level, GLint x, GLint y, GLsizei width, GLsizei height ) { struct gl_texture_object* texObj; + const char *self = "glCopyTexSubImage3D"; GET_CURRENT_CONTEXT(ctx); /* Check target (proxies not allowed). Target must be checked prior to * calling _mesa_get_current_tex_object. */ if (!legal_texsubimage_target(ctx, 3, target, false)) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glCopyTexSubImage3D(invalid target %s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, _mesa_lookup_enum_by_nr(target)); return; } @@ -4178,7 +4169,7 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level, _mesa_copy_texture_sub_image(ctx, 3, texObj, target, level, xoffset, yoffset, zoffset, - x, y, width, height, false); + x, y, width, height, self); } void GLAPIENTRY @@ -4186,22 +4177,22 @@ _mesa_CopyTextureSubImage1D(GLuint texture, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width) { struct gl_texture_object* texObj; + const char *self = "glCopyTextureSubImage1D"; GET_CURRENT_CONTEXT(ctx); - texObj = _mesa_lookup_texture_err(ctx, texture, "glCopyTextureSubImage1D"); + texObj = _mesa_lookup_texture_err(ctx, texture, self); if (!texObj) return; /* Check target (proxies not allowed). */ if (!legal_texsubimage_target(ctx, 1, texObj->Target, true)) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glCopyTextureSubImage1D(invalid target %s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, _mesa_lookup_enum_by_nr(texObj->Target)); return; } _mesa_copy_texture_sub_image(ctx, 1, texObj, texObj->Target, level, - xoffset, 0, 0, x, y, width, 1, true); + xoffset, 0, 0, x, y, width, 1, self); } void GLAPIENTRY @@ -4210,23 +4201,23 @@ _mesa_CopyTextureSubImage2D(GLuint texture, GLint level, GLint x, GLint y, GLsizei width, GLsizei height) { struct gl_texture_object* texObj; + const char *self = "glCopyTextureSubImage2D"; GET_CURRENT_CONTEXT(ctx); - texObj = _mesa_lookup_texture_err(ctx, texture, "glCopyTextureSubImage2D"); + texObj = _mesa_lookup_texture_err(ctx, texture, self); if (!texObj) return; /* Check target (proxies not allowed). */ if (!legal_texsubimage_target(ctx, 2, texObj->Target, true)) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glCopyTextureSubImage2D(invalid target %s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, _mesa_lookup_enum_by_nr(texObj->Target)); return; } _mesa_copy_texture_sub_image(ctx, 2, texObj, texObj->Target, level, xoffset, yoffset, 0, - x, y, width, height, true); + x, y, width, height, self); } @@ -4237,23 +4228,31 @@ _mesa_CopyTextureSubImage3D(GLuint texture, GLint level, GLint x, GLint y, GLsizei width, GLsizei height) { struct gl_texture_object* texObj; + const char *self = "glCopyTextureSubImage3D"; GET_CURRENT_CONTEXT(ctx); - texObj = _mesa_lookup_texture_err(ctx, texture, "glCopyTextureSubImage3D"); + texObj = _mesa_lookup_texture_err(ctx, texture, self); if (!texObj) return; /* Check target (proxies not allowed). */ if (!legal_texsubimage_target(ctx, 3, texObj->Target, true)) { - _mesa_error(ctx, GL_INVALID_ENUM, - "glCopyTextureSubImage3D(invalid target %s)", + _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid target %s)", self, _mesa_lookup_enum_by_nr(texObj->Target)); return; } - _mesa_copy_texture_sub_image(ctx, 3, texObj, texObj->Target, level, - xoffset, yoffset, zoffset, - x, y, width, height, true); + if (texObj->Target == GL_TEXTURE_CUBE_MAP) { + /* Act like CopyTexSubImage2D */ + _mesa_copy_texture_sub_image(ctx, 2, texObj, + GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset, + level, xoffset, yoffset, 0, + x, y, width, height, self); + } + else + _mesa_copy_texture_sub_image(ctx, 3, texObj, texObj->Target, level, + xoffset, yoffset, zoffset, + x, y, width, height, self); } static bool @@ -4636,68 +4635,72 @@ compressed_subtexture_error_check(struct gl_context *ctx, GLint dims, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, - GLenum format, GLsizei imageSize, bool dsa) + GLenum format, GLsizei imageSize, + const GLvoid *data, const char *callerName) { struct gl_texture_image *texImage; GLint expectedSize; - const char *suffix = dsa ? "ture" : ""; /* this will catch any invalid compressed format token */ if (!_mesa_is_compressed_format(ctx, format)) { _mesa_error(ctx, GL_INVALID_ENUM, - "glCompressedTex%sSubImage%uD(format)", suffix, dims); + "%s(format)", callerName); return GL_TRUE; } if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCompressedTex%sSubImage%uD(level=%d)", - suffix, dims, level); + "%s(level=%d)", + callerName, level); + return GL_TRUE; + } + + /* validate the bound PBO, if any */ + if (!_mesa_validate_pbo_source_compressed(ctx, dims, &ctx->Unpack, + imageSize, data, callerName)) { return GL_TRUE; } /* Check for invalid pixel storage modes */ if (!_mesa_compressed_pixel_storage_error_check(ctx, dims, - &ctx->Unpack, - dsa ? "glCompressedTextureSubImage" : - "glCompressedTexSubImage")) { + &ctx->Unpack, callerName)) { return GL_TRUE; } expectedSize = compressed_tex_size(width, height, depth, format); if (expectedSize != imageSize) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCompressedTex%sSubImage%uD(size=%d)", - suffix, dims, imageSize); + "%s(size=%d)", + callerName, imageSize); return GL_TRUE; } texImage = _mesa_select_tex_image(texObj, target, level); if (!texImage) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCompressedTex%sSubImage%uD(invalid texture image)", - suffix, dims); + "%s(invalid texture image)", + callerName); return GL_TRUE; } if ((GLint) format != texImage->InternalFormat) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCompressedTex%sSubImage%uD(format=0x%x)", - suffix, dims, format); + "%s(format=0x%x)", + callerName, format); return GL_TRUE; } if (compressedteximage_only_format(ctx, format)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCompressedTex%sSubImage%uD(format=0x%x cannot be updated)", - suffix, dims, format); + "%s(format=0x%x cannot be updated)", + callerName, format); return GL_TRUE; } if (error_check_subtexture_dimensions(ctx, dims, texImage, xoffset, yoffset, zoffset, width, height, depth, - "glCompressedTexSubImage")) { + callerName)) { return GL_TRUE; } @@ -4748,30 +4751,19 @@ _mesa_CompressedTexImage3D(GLenum target, GLint level, void _mesa_compressed_texture_sub_image(struct gl_context *ctx, GLuint dims, struct gl_texture_object *texObj, + struct gl_texture_image *texImage, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, - const GLvoid *data, bool dsa) + const GLvoid *data) { - struct gl_texture_image *texImage; - - if (compressed_subtexture_error_check(ctx, dims, texObj, target, - level, xoffset, yoffset, zoffset, - width, height, depth, - format, imageSize, dsa)) { - return; - } - FLUSH_VERTICES(ctx, 0); _mesa_lock_texture(ctx, texObj); { - texImage = _mesa_select_tex_image(texObj, target, level); - assert(texImage); - if (width > 0 && height > 0 && depth > 0) { ctx->Driver.CompressedTexSubImage(ctx, dims, texImage, xoffset, yoffset, zoffset, @@ -4795,6 +4787,8 @@ _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset, GLsizei imageSize, const GLvoid *data) { struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); if (compressed_subtexture_target_check(ctx, target, 1, format, false, @@ -4806,9 +4800,20 @@ _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset, if (!texObj) return; - _mesa_compressed_texture_sub_image(ctx, 1, texObj, target, level, + if (compressed_subtexture_error_check(ctx, 1, texObj, target, + level, xoffset, 0, 0, + width, 1, 1, + format, imageSize, data, + "glCompressedTexSubImage1D")) { + return; + } + + texImage = _mesa_select_tex_image(texObj, target, level); + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 1, texObj, texImage, target, level, xoffset, 0, 0, width, 1, 1, - format, imageSize, data, false); + format, imageSize, data); } void GLAPIENTRY @@ -4817,6 +4822,8 @@ _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset, GLsizei imageSize, const GLvoid *data) { struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); texObj = _mesa_lookup_texture_err(ctx, texture, @@ -4830,9 +4837,21 @@ _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset, return; } - _mesa_compressed_texture_sub_image(ctx, 1, texObj, texObj->Target, level, + if (compressed_subtexture_error_check(ctx, 1, texObj, texObj->Target, + level, xoffset, 0, 0, + width, 1, 1, + format, imageSize, data, + "glCompressedTextureSubImage1D")) { + return; + } + + texImage = _mesa_select_tex_image(texObj, texObj->Target, level); + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 1, texObj, texImage, + texObj->Target, level, xoffset, 0, 0, width, 1, 1, - format, imageSize, data, true); + format, imageSize, data); } @@ -4843,6 +4862,8 @@ _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, const GLvoid *data) { struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); if (compressed_subtexture_target_check(ctx, target, 2, format, false, @@ -4854,9 +4875,21 @@ _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, if (!texObj) return; - _mesa_compressed_texture_sub_image(ctx, 2, texObj, target, level, + if (compressed_subtexture_error_check(ctx, 2, texObj, target, + level, xoffset, yoffset, 0, + width, height, 1, + format, imageSize, data, + "glCompressedTexSubImage2D")) { + return; + } + + + texImage = _mesa_select_tex_image(texObj, target, level); + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 2, texObj, texImage, target, level, xoffset, yoffset, 0, width, height, 1, - format, imageSize, data, false); + format, imageSize, data); } void GLAPIENTRY @@ -4867,6 +4900,8 @@ _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset, const GLvoid *data) { struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); texObj = _mesa_lookup_texture_err(ctx, texture, @@ -4880,9 +4915,21 @@ _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset, return; } - _mesa_compressed_texture_sub_image(ctx, 2, texObj, texObj->Target, level, + if (compressed_subtexture_error_check(ctx, 2, texObj, texObj->Target, + level, xoffset, yoffset, 0, + width, height, 1, + format, imageSize, data, + "glCompressedTextureSubImage2D")) { + return; + } + + texImage = _mesa_select_tex_image(texObj, texObj->Target, level); + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 2, texObj, texImage, + texObj->Target, level, xoffset, yoffset, 0, width, height, 1, - format, imageSize, data, true); + format, imageSize, data); } void GLAPIENTRY @@ -4892,6 +4939,8 @@ _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, GLsizei imageSize, const GLvoid *data) { struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); if (compressed_subtexture_target_check(ctx, target, 3, format, false, @@ -4903,10 +4952,22 @@ _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset, if (!texObj) return; - _mesa_compressed_texture_sub_image(ctx, 3, texObj, target, level, + if (compressed_subtexture_error_check(ctx, 3, texObj, target, + level, xoffset, yoffset, zoffset, + width, height, depth, + format, imageSize, data, + "glCompressedTexSubImage3D")) { + return; + } + + + texImage = _mesa_select_tex_image(texObj, target, level); + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 3, texObj, texImage, target, level, xoffset, yoffset, zoffset, width, height, depth, - format, imageSize, data, false); + format, imageSize, data); } void GLAPIENTRY @@ -4917,6 +4978,8 @@ _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset, const GLvoid *data) { struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + GET_CURRENT_CONTEXT(ctx); texObj = _mesa_lookup_texture_err(ctx, texture, @@ -4930,10 +4993,60 @@ _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset, return; } - _mesa_compressed_texture_sub_image(ctx, 3, texObj, texObj->Target, level, - xoffset, yoffset, zoffset, - width, height, depth, - format, imageSize, data, true); + if (compressed_subtexture_error_check(ctx, 3, texObj, texObj->Target, + level, xoffset, yoffset, zoffset, + width, height, depth, + format, imageSize, data, + "glCompressedTextureSubImage3D")) { + return; + } + + /* Must handle special case GL_TEXTURE_CUBE_MAP. */ + if (texObj->Target == GL_TEXTURE_CUBE_MAP) { + const char *pixels = data; + int i; + GLint image_stride; + + /* Make sure the texture object is a proper cube. + * (See texturesubimage in teximage.c for details on why this check is + * performed.) + */ + if (!_mesa_cube_level_complete(texObj, level)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCompressedTextureSubImage3D(cube map incomplete)"); + return; + } + + /* Copy in each face. */ + for (i = 0; i < 6; ++i) { + texImage = texObj->Image[i][level]; + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 3, texObj, texImage, + texObj->Target, level, + xoffset, yoffset, zoffset, + width, height, 1, + format, imageSize, pixels); + + /* Compressed images don't have a client format */ + image_stride = _mesa_format_image_size(texImage->TexFormat, + texImage->Width, + texImage->Height, 1); + + pixels += image_stride; + imageSize -= image_stride; + } + } + else { + texImage = _mesa_select_tex_image(texObj, texObj->Target, level); + assert(texImage); + + _mesa_compressed_texture_sub_image(ctx, 3, texObj, texImage, + texObj->Target, level, + xoffset, yoffset, zoffset, + width, height, depth, + format, imageSize, data); + } } static mesa_format @@ -5152,24 +5265,34 @@ _mesa_validate_texbuffer_format(const struct gl_context *ctx, void _mesa_texture_buffer_range(struct gl_context *ctx, - struct gl_texture_object *texObj, GLenum target, + struct gl_texture_object *texObj, GLenum internalFormat, struct gl_buffer_object *bufObj, - GLintptr offset, GLsizeiptr size, bool range, - bool dsa) + GLintptr offset, GLsizeiptr size, + const char *caller) { mesa_format format; - FLUSH_VERTICES(ctx, 0); + /* NOTE: ARB_texture_buffer_object has interactions with + * the compatibility profile that are not implemented. + */ + if (!(ctx->API == API_OPENGL_CORE && + ctx->Extensions.ARB_texture_buffer_object)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "%s(ARB_texture_buffer_object is not" + " implemented for the compatibility profile)", caller); + return; + } format = _mesa_validate_texbuffer_format(ctx, internalFormat); if (format == MESA_FORMAT_NONE) { _mesa_error(ctx, GL_INVALID_ENUM, - "glTex%sBuffer%s(internalFormat 0x%x)", dsa ? "ture" : "", - range ? "Range" : "", internalFormat); + "%s(internalFormat 0x%x)", caller, internalFormat); return; } + FLUSH_VERTICES(ctx, 0); + _mesa_lock_texture(ctx, texObj); { _mesa_reference_buffer_object(ctx, &texObj->BufferObject, bufObj); @@ -5188,6 +5311,75 @@ _mesa_texture_buffer_range(struct gl_context *ctx, } +/** + * Make sure the texture buffer target is GL_TEXTURE_BUFFER. + * Return true if it is, and return false if it is not + * (and throw INVALID ENUM as dictated in the OpenGL 4.5 + * core spec, 02.02.2015, PDF page 245). + */ +static bool +check_texture_buffer_target(struct gl_context *ctx, GLenum target, + const char *caller) +{ + if (target != GL_TEXTURE_BUFFER_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, + "%s(texture target is not GL_TEXTURE_BUFFER)", caller); + return false; + } + else + return true; +} + +/** + * Check for errors related to the texture buffer range. + * Return false if errors are found, true if none are found. + */ +static bool +check_texture_buffer_range(struct gl_context *ctx, + struct gl_buffer_object *bufObj, + GLintptr offset, GLsizeiptr size, + const char *caller) +{ + /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer + * Textures (PDF page 245): + * "An INVALID_VALUE error is generated if offset is negative, if + * size is less than or equal to zero, or if offset + size is greater + * than the value of BUFFER_SIZE for the buffer bound to target." + */ + if (offset < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset=%d < 0)", caller, + (int) offset); + return false; + } + + if (size <= 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d <= 0)", caller, + (int) size); + return false; + } + + if (offset + size > bufObj->Size) { + _mesa_error(ctx, GL_INVALID_VALUE, + "%s(offset=%d + size=%d > buffer_size=%d)", caller, + (int) offset, (int) size, (int) bufObj->Size); + return false; + } + + /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer + * Textures (PDF page 245): + * "An INVALID_VALUE error is generated if offset is not an integer + * multiple of the value of TEXTURE_BUFFER_OFFSET_ALIGNMENT." + */ + if (offset % ctx->Const.TextureBufferOffsetAlignment) { + _mesa_error(ctx, GL_INVALID_VALUE, + "%s(invalid offset alignment)", caller); + return false; + } + + return true; +} + + /** GL_ARB_texture_buffer_object */ void GLAPIENTRY _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer) @@ -5197,33 +5389,25 @@ _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer) GET_CURRENT_CONTEXT(ctx); - /* Need to catch this before it gets to _mesa_get_current_tex_object */ - if (target != GL_TEXTURE_BUFFER_ARB) { - _mesa_error(ctx, GL_INVALID_ENUM, "glTexBuffer(target)"); - return; - } - - /* NOTE: ARB_texture_buffer_object has interactions with - * the compatibility profile that are not implemented. + /* Need to catch a bad target before it gets to + * _mesa_get_current_tex_object. */ - if (!(ctx->API == API_OPENGL_CORE && - ctx->Extensions.ARB_texture_buffer_object)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBuffer"); + if (!check_texture_buffer_target(ctx, target, "glTexBuffer")) return; - } - bufObj = _mesa_lookup_bufferobj(ctx, buffer); - if (!bufObj && buffer) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBuffer(buffer %u)", buffer); - return; - } + if (buffer) { + bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBuffer"); + if (!bufObj) + return; + } else + bufObj = NULL; texObj = _mesa_get_current_tex_object(ctx, target); if (!texObj) return; - _mesa_texture_buffer_range(ctx, texObj, target, internalFormat, bufObj, 0, - buffer ? -1 : 0, false, false); + _mesa_texture_buffer_range(ctx, texObj, internalFormat, bufObj, 0, + buffer ? -1 : 0, "glTexBuffer"); } @@ -5237,46 +5421,41 @@ _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer, GET_CURRENT_CONTEXT(ctx); - /* Need to catch this before it gets to _mesa_get_current_tex_object */ - if (target != GL_TEXTURE_BUFFER_ARB) { - _mesa_error(ctx, GL_INVALID_ENUM, "glTexBufferRange(target)"); - return; - } - - if (!(ctx->API == API_OPENGL_CORE && - ctx->Extensions.ARB_texture_buffer_range)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBufferRange"); + /* Need to catch a bad target before it gets to + * _mesa_get_current_tex_object. + */ + if (!check_texture_buffer_target(ctx, target, "glTexBufferRange")) return; - } - bufObj = _mesa_lookup_bufferobj(ctx, buffer); - if (bufObj) { - if (offset < 0 || - size <= 0 || - (offset + size) > bufObj->Size) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexBufferRange"); + if (buffer) { + bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTexBufferRange"); + if (!bufObj) return; - } - if (offset % ctx->Const.TextureBufferOffsetAlignment) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glTexBufferRange(invalid offset alignment)"); + + if (!check_texture_buffer_range(ctx, bufObj, offset, size, + "glTexBufferRange")) return; - } - } else if (buffer) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTexBufferRange(buffer %u)", - buffer); - return; + } else { + + /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer + * Textures (PDF page 254): + * "If buffer is zero, then any buffer object attached to the buffer + * texture is detached, the values offset and size are ignored and + * the state for offset and size for the buffer texture are reset to + * zero." + */ offset = 0; size = 0; + bufObj = NULL; } texObj = _mesa_get_current_tex_object(ctx, target); if (!texObj) return; - _mesa_texture_buffer_range(ctx, texObj, target, internalFormat, bufObj, - offset, size, true, false); + _mesa_texture_buffer_range(ctx, texObj, internalFormat, bufObj, + offset, size, "glTexBufferRange"); } void GLAPIENTRY @@ -5287,35 +5466,69 @@ _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer) GET_CURRENT_CONTEXT(ctx); - /* NOTE: ARB_texture_buffer_object has interactions with - * the compatibility profile that are not implemented. - */ - if (!(ctx->API == API_OPENGL_CORE && - ctx->Extensions.ARB_texture_buffer_object)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureBuffer"); + if (buffer) { + bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glTextureBuffer"); + if (!bufObj) + return; + } else + bufObj = NULL; + + /* Get the texture object by Name. */ + texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBuffer"); + if (!texObj) return; - } - bufObj = _mesa_lookup_bufferobj(ctx, buffer); - if (!bufObj && buffer) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureBuffer(buffer %u)", - buffer); + if (!check_texture_buffer_target(ctx, texObj->Target, "glTextureBuffer")) return; + + _mesa_texture_buffer_range(ctx, texObj, internalFormat, + bufObj, 0, buffer ? -1 : 0, "glTextureBuffer"); +} + +void GLAPIENTRY +_mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer, + GLintptr offset, GLsizeiptr size) +{ + struct gl_texture_object *texObj; + struct gl_buffer_object *bufObj; + + GET_CURRENT_CONTEXT(ctx); + + if (buffer) { + bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, + "glTextureBufferRange"); + if (!bufObj) + return; + + if (!check_texture_buffer_range(ctx, bufObj, offset, size, + "glTextureBufferRange")) + return; + + } else { + + /* OpenGL 4.5 core spec (02.02.2015) says in Section 8.9 Buffer + * Textures (PDF page 254): + * "If buffer is zero, then any buffer object attached to the buffer + * texture is detached, the values offset and size are ignored and + * the state for offset and size for the buffer texture are reset to + * zero." + */ + offset = 0; + size = 0; + bufObj = NULL; } /* Get the texture object by Name. */ - texObj = _mesa_lookup_texture_err(ctx, texture, - "glTextureBuffer(texture)"); + texObj = _mesa_lookup_texture_err(ctx, texture, "glTextureBufferRange"); if (!texObj) return; - if (texObj->Target != GL_TEXTURE_BUFFER_ARB) { - _mesa_error(ctx, GL_INVALID_ENUM, "glTextureBuffer(target)"); + if (!check_texture_buffer_target(ctx, texObj->Target, + "glTextureBufferRange")) return; - } - _mesa_texture_buffer_range(ctx, texObj, texObj->Target, internalFormat, - bufObj, 0, buffer ? -1 : 0, false, true); + _mesa_texture_buffer_range(ctx, texObj, internalFormat, + bufObj, offset, size, "glTextureBufferRange"); } static GLboolean |