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authormarha <marha@users.sourceforge.net>2012-09-27 15:15:06 +0200
committermarha <marha@users.sourceforge.net>2012-09-27 15:15:06 +0200
commit24703f26d8ed55b1971aa2e94d33636e871bff0b (patch)
tree3e57b600f4446a1db1d8e73cb8a83519570eb678 /mesalib/src/mesa/main/teximage.c
parent94ef26cb962261d0b47daf7ef3c856510999bd4c (diff)
parent2cf1e3de4759264eac2fa8ac758ea750636542f8 (diff)
downloadvcxsrv-24703f26d8ed55b1971aa2e94d33636e871bff0b.tar.gz
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Merge remote-tracking branch 'origin/released'
* origin/released: mesa xserver pixman xkeyboard-config git update 27 sep 2012
Diffstat (limited to 'mesalib/src/mesa/main/teximage.c')
-rw-r--r--mesalib/src/mesa/main/teximage.c697
1 files changed, 264 insertions, 433 deletions
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 08af66893..afda0eaaf 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -50,12 +50,6 @@
#include "glformats.h"
-/* Inexplicably, GL_HALF_FLOAT_OES has a different value than GL_HALF_FLOAT.
- */
-#ifndef GL_HALF_FLOAT_OES
-#define GL_HALF_FLOAT_OES 0x8D61
-#endif
-
/**
* State changes which we care about for glCopyTex[Sub]Image() calls.
* In particular, we care about pixel transfer state and buffer state
@@ -1343,6 +1337,121 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
/**
+ * Do error checking of xoffset, yoffset, zoffset, width, height and depth
+ * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
+ * \param destImage the destination texture image.
+ * \return GL_TRUE if error found, GL_FALSE otherwise.
+ */
+static GLboolean
+error_check_subtexture_dimensions(struct gl_context *ctx,
+ const char *function, GLuint dims,
+ const struct gl_texture_image *destImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei subWidth, GLsizei subHeight,
+ GLsizei subDepth)
+{
+ const GLenum target = destImage->TexObject->Target;
+ GLuint bw, bh;
+
+ /* Check size */
+ if (subWidth < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s%dD(width=%d)", function, dims, subWidth);
+ return GL_TRUE;
+ }
+
+ if (dims > 1 && subHeight < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s%dD(height=%d)", function, dims, subHeight);
+ return GL_TRUE;
+ }
+
+ if (dims > 2 && subDepth < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s%dD(depth=%d)", function, dims, subDepth);
+ return GL_TRUE;
+ }
+
+ /* check xoffset and width */
+ if (xoffset < -destImage->Border) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(xoffset)",
+ function, dims);
+ return GL_TRUE;
+ }
+
+ if (xoffset + subWidth > destImage->Width) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(xoffset+width)",
+ function, dims);
+ return GL_TRUE;
+ }
+
+ /* check yoffset and height */
+ 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)",
+ function, dims);
+ return GL_TRUE;
+ }
+ if (yoffset + subHeight > destImage->Height) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s%dD(yoffset+height)",
+ function, dims);
+ return GL_TRUE;
+ }
+ }
+
+ /* check zoffset and depth */
+ if (dims > 2) {
+ GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : destImage->Border;
+ if (zoffset < -zBorder) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset)", function);
+ return GL_TRUE;
+ }
+ if (zoffset + subDepth > (GLint) destImage->Depth) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset+depth)", function);
+ return GL_TRUE;
+ }
+ }
+
+ /*
+ * The OpenGL spec (and GL_ARB_texture_compression) says only whole
+ * compressed texture images can be updated. But, that restriction may be
+ * relaxed for particular compressed formats. At this time, all the
+ * compressed formats supported by Mesa allow sub-textures to be updated
+ * along compressed block boundaries.
+ */
+ _mesa_get_format_block_size(destImage->TexFormat, &bw, &bh);
+
+ if (bw != 1 || bh != 1) {
+ /* 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)",
+ function, dims, xoffset, yoffset);
+ return GL_TRUE;
+ }
+
+ /* size must be multiple of bw by bh or equal to whole texture size */
+ if ((subWidth % bw != 0) && subWidth != destImage->Width) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s%dD(width = %d)", function, dims, subWidth);
+ return GL_TRUE;
+ }
+
+ if ((subHeight % bh != 0) && subHeight != destImage->Height) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s%dD(height = %d)", function, dims, subHeight);
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
+
+
+/**
* This is the fallback for Driver.TestProxyTexImage() for doing device-
* specific texture image size checks.
*
@@ -1572,71 +1681,6 @@ mutable_tex_object(struct gl_context *ctx, GLenum target)
}
-GLenum
-_mesa_es_error_check_format_and_type(GLenum format, GLenum type,
- unsigned dimensions)
-{
- bool type_valid = true;
-
- switch (format) {
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- type_valid = (type == GL_UNSIGNED_BYTE
- || type == GL_FLOAT
- || type == GL_HALF_FLOAT_OES);
- break;
-
- case GL_RGB:
- type_valid = (type == GL_UNSIGNED_BYTE
- || type == GL_UNSIGNED_SHORT_5_6_5
- || type == GL_FLOAT
- || type == GL_HALF_FLOAT_OES);
- break;
-
- case GL_RGBA:
- type_valid = (type == GL_UNSIGNED_BYTE
- || type == GL_UNSIGNED_SHORT_4_4_4_4
- || type == GL_UNSIGNED_SHORT_5_5_5_1
- || type == GL_FLOAT
- || type == GL_HALF_FLOAT_OES
- || type == GL_UNSIGNED_INT_2_10_10_10_REV);
- break;
-
- case GL_DEPTH_COMPONENT:
- /* This format is filtered against invalid dimensionalities elsewhere.
- */
- type_valid = (type == GL_UNSIGNED_SHORT
- || type == GL_UNSIGNED_INT);
- break;
-
- case GL_DEPTH_STENCIL:
- /* This format is filtered against invalid dimensionalities elsewhere.
- */
- type_valid = (type == GL_UNSIGNED_INT_24_8);
- break;
-
- case GL_BGRA_EXT:
- type_valid = (type == GL_UNSIGNED_BYTE);
-
- /* This feels like a bug in the EXT_texture_format_BGRA8888 spec, but
- * the format does not appear to be allowed for 3D textures in OpenGL
- * ES.
- */
- if (dimensions != 2)
- return GL_INVALID_VALUE;
-
- break;
-
- default:
- return GL_INVALID_VALUE;
- }
-
- return type_valid ? GL_NO_ERROR : GL_INVALID_OPERATION;
-}
-
-
-
/**
* Return expected size of a compressed texture.
*/
@@ -1649,17 +1693,6 @@ compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
}
-/*
- * Return compressed texture block size, in pixels.
- */
-static void
-get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
-{
- gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
- _mesa_get_format_block_size(mesaFormat, bw, bh);
-}
-
-
/**
* Test the glTexImage[123]D() parameters for errors.
*
@@ -2081,34 +2114,27 @@ error:
* to the OpenGL specification.
*/
static GLboolean
-subtexture_error_check( struct gl_context *ctx, GLuint dimensions,
+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 )
+ GLenum format, GLenum type)
{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
GLenum err;
- /* level check */
- if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
+ /* check target (proxies not allowed) */
+ if (!legal_texsubimage_target(ctx, dimensions, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
+ dimensions, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
- /* Check for negative sizes */
- if (width < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexSubImage%dD(width=%d)", dimensions, width);
- return GL_TRUE;
- }
- if (height < 0 && dimensions > 1) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexSubImage%dD(height=%d)", dimensions, height);
- return GL_TRUE;
- }
- if (depth < 0 && dimensions > 2) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexSubImage%dD(depth=%d)", dimensions, depth);
+ /* level check */
+ if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(level=%d)",
+ dimensions, level);
return GL_TRUE;
}
@@ -2137,98 +2163,39 @@ subtexture_error_check( struct gl_context *ctx, GLuint dimensions,
return GL_TRUE;
}
- return GL_FALSE;
-}
-
-
-/**
- * Do second part of glTexSubImage which depends on the destination texture.
- * \return GL_TRUE if error recorded, GL_FALSE otherwise
- */
-static GLboolean
-subtexture_error_check2( 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,
- const struct gl_texture_image *destTex )
-{
- if (!destTex) {
- /* undefined image level */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions);
+ /* Get dest texture object / image pointers */
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ if (!texObj) {
+ /* must be out of memory */
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage%dD()", dimensions);
return GL_TRUE;
}
- if (xoffset < -((GLint)destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)",
- dimensions);
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ /* non-existant texture level */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(invalid texture image)", dimensions);
return GL_TRUE;
}
- if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)",
- dimensions);
+
+ if (error_check_subtexture_dimensions(ctx, "glTexSubImage", dimensions,
+ texImage, xoffset, yoffset, 0,
+ width, height, 1)) {
return GL_TRUE;
}
- if (dimensions > 1) {
- GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destTex->Border;
- if (yoffset < -yBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)",
- dimensions);
- return GL_TRUE;
- }
- if (yoffset + height > (GLint) destTex->Height + yBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)",
- dimensions);
- return GL_TRUE;
- }
- }
- if (dimensions > 2) {
- GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : destTex->Border;
- if (zoffset < -zBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
- return GL_TRUE;
- }
- if (zoffset + depth > (GLint) destTex->Depth + zBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
- return GL_TRUE;
- }
- }
-
- if (_mesa_is_format_compressed(destTex->TexFormat)) {
- GLuint bw, bh;
- if (compressedteximage_only_format(ctx, destTex->InternalFormat)) {
+ if (_mesa_is_format_compressed(texImage->TexFormat)) {
+ if (compressedteximage_only_format(ctx, texImage->InternalFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexSubImage%dD(no compression for format)", dimensions);
return GL_TRUE;
}
-
- /* do tests which depend on compression block size */
- _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
-
- /* offset must be multiple of block size */
- if ((xoffset % bw != 0) || (yoffset % bh != 0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(xoffset = %d, yoffset = %d)",
- dimensions, xoffset, yoffset);
- return GL_TRUE;
- }
- /* size must be multiple of bw by bh or equal to whole texture size */
- if ((width % bw != 0) && (GLuint) width != destTex->Width) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(width = %d)", dimensions, width);
- return GL_TRUE;
- }
- if ((height % bh != 0) && (GLuint) height != destTex->Height) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(height = %d)", dimensions, height);
- return GL_TRUE;
- }
}
if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) {
/* both source and dest must be integer-valued, or neither */
- if (_mesa_is_format_integer_color(destTex->TexFormat) !=
+ if (_mesa_is_format_integer_color(texImage->TexFormat) !=
_mesa_is_enum_format_integer(format)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexSubImage%dD(integer/non-integer format mismatch)",
@@ -2396,20 +2363,17 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
/**
* Test glCopyTexSubImage[12]D() parameters for errors.
- * Note that this is the first part of error checking.
- * See also copytexsubimage_error_check2() below for the second part.
- *
- * \param ctx GL context.
- * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
- * \param level image level given by the user.
- *
* \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
*/
static GLboolean
-copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level)
+copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height)
{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
/* Check that the source buffer is complete */
if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
if (ctx->ReadBuffer->_Status == 0) {
@@ -2443,120 +2407,45 @@ copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
return GL_TRUE;
}
- return GL_FALSE;
-}
-
-
-/**
- * Second part of error checking for glCopyTexSubImage[12]D().
- * \param xoffset sub-image x offset given by the user.
- * \param yoffset sub-image y offset given by the user.
- * \param zoffset sub-image z offset given by the user.
- * \param width image width given by the user.
- * \param height image height given by the user.
- */
-static GLboolean
-copytexsubimage_error_check2( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height,
- const struct gl_texture_image *teximage )
-{
- /* check that dest tex image exists */
- if (!teximage) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(undefined texture level: %d)",
- dimensions, level);
+ /* Get dest texture object / image pointers */
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ if (!texObj) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage%dD()", dimensions);
return GL_TRUE;
}
- /* Check size */
- if (width < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(width=%d)", dimensions, width);
- return GL_TRUE;
- }
- if (dimensions > 1 && height < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(height=%d)", dimensions, height);
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ /* destination image does not exist */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(invalid texture image)", dimensions);
return GL_TRUE;
}
- /* check x/y offsets */
- if (xoffset < -((GLint)teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset);
- return GL_TRUE;
- }
- if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(xoffset+width)", dimensions);
+ if (error_check_subtexture_dimensions(ctx, "glCopyTexSubImage",
+ dimensions, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, 1)) {
return GL_TRUE;
}
- if (dimensions > 1) {
- GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : teximage->Border;
- if (yoffset < -yBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset);
- return GL_TRUE;
- }
- /* NOTE: we're adding the border here, not subtracting! */
- if (yoffset + height > (GLint) teximage->Height + yBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(yoffset+height)", dimensions);
- return GL_TRUE;
- }
- }
- /* check z offset */
- if (dimensions > 2) {
- GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : teximage->Border;
- if (zoffset < -zBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(zoffset)", dimensions);
- return GL_TRUE;
- }
- if (zoffset > (GLint) teximage->Depth + zBorder) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(zoffset+depth)", dimensions);
- return GL_TRUE;
- }
- }
-
- if (_mesa_is_format_compressed(teximage->TexFormat)) {
- if (compressedteximage_only_format(ctx, teximage->InternalFormat)) {
+ if (_mesa_is_format_compressed(texImage->TexFormat)) {
+ if (compressedteximage_only_format(ctx, texImage->InternalFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexSubImage%dD(no compression for format)", dimensions);
return GL_TRUE;
}
- /* offset must be multiple of 4 */
- if ((xoffset & 3) || (yoffset & 3)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(xoffset or yoffset)", dimensions);
- return GL_TRUE;
- }
- /* size must be multiple of 4 */
- if ((width & 3) != 0 && (GLuint) width != teximage->Width) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(width)", dimensions);
- return GL_TRUE;
- }
- if ((height & 3) != 0 && (GLuint) height != teximage->Height) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(height)", dimensions);
- return GL_TRUE;
- }
}
- if (teximage->InternalFormat == GL_YCBCR_MESA) {
+ if (texImage->InternalFormat == GL_YCBCR_MESA) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D");
return GL_TRUE;
}
- if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) {
+ if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
- dimensions, teximage->_BaseFormat);
+ dimensions, texImage->_BaseFormat);
return GL_TRUE;
}
@@ -2567,11 +2456,11 @@ copytexsubimage_error_check2( struct gl_context *ctx, GLuint dimensions,
* buffer is not an integer format, or if the internalformat is not an
* integer format and the read color buffer is an integer format."
*/
- if (_mesa_is_color_format(teximage->InternalFormat)) {
+ if (_mesa_is_color_format(texImage->InternalFormat)) {
struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
if (_mesa_is_format_integer_color(rb->Format) !=
- _mesa_is_format_integer_color(teximage->TexFormat)) {
+ _mesa_is_format_integer_color(texImage->TexFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexImage%dD(integer vs non-integer)", dimensions);
return GL_TRUE;
@@ -3157,8 +3046,9 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
if (ctx->NewState & _NEW_PIXEL)
_mesa_update_state(ctx);
- if (subtexture_error_check(ctx, dims, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, type)) {
+ if (texsubimage_error_check(ctx, dims, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth, format, type)) {
return; /* error was detected */
}
@@ -3168,13 +3058,7 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- if (subtexture_error_check2(ctx, dims, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, type, texImage)) {
- /* error was recorded */
- }
- else if (width > 0 && height > 0 && depth > 0) {
+ if (width > 0 && height > 0 && depth > 0) {
/* If we have a border, offset=-1 is legal. Bias by border width. */
switch (dims) {
case 3:
@@ -3417,8 +3301,10 @@ copytexsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
if (ctx->NewState & NEW_COPY_TEX_STATE)
_mesa_update_state(ctx);
- if (copytexsubimage_error_check1(ctx, dims, target, level))
+ if (copytexsubimage_error_check(ctx, dims, target, level,
+ xoffset, yoffset, zoffset, width, height)) {
return;
+ }
texObj = _mesa_get_current_tex_object(ctx, target);
@@ -3426,38 +3312,32 @@ copytexsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- if (copytexsubimage_error_check2(ctx, dims, target, level, xoffset, yoffset,
- zoffset, width, height, texImage)) {
- /* error was recored */
+ /* If we have a border, offset=-1 is legal. Bias by border width. */
+ switch (dims) {
+ case 3:
+ if (target != GL_TEXTURE_2D_ARRAY)
+ zoffset += texImage->Border;
+ /* fall-through */
+ case 2:
+ if (target != GL_TEXTURE_1D_ARRAY)
+ yoffset += texImage->Border;
+ /* fall-through */
+ case 1:
+ xoffset += texImage->Border;
}
- else {
- /* If we have a border, offset=-1 is legal. Bias by border width. */
- switch (dims) {
- case 3:
- if (target != GL_TEXTURE_2D_ARRAY)
- zoffset += texImage->Border;
- /* fall-through */
- case 2:
- if (target != GL_TEXTURE_1D_ARRAY)
- yoffset += texImage->Border;
- /* fall-through */
- case 1:
- xoffset += texImage->Border;
- }
- if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
- &width, &height)) {
- struct gl_renderbuffer *srcRb =
- get_copy_tex_image_source(ctx, texImage->TexFormat);
+ if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
+ &width, &height)) {
+ struct gl_renderbuffer *srcRb =
+ get_copy_tex_image_source(ctx, texImage->TexFormat);
- ctx->Driver.CopyTexSubImage(ctx, dims, texImage,
- xoffset, yoffset, zoffset,
- srcRb, x, y, width, height);
+ ctx->Driver.CopyTexSubImage(ctx, dims, texImage,
+ xoffset, yoffset, zoffset,
+ srcRb, x, y, width, height);
- check_gen_mipmap(ctx, target, texObj, level);
+ check_gen_mipmap(ctx, target, texObj, level);
- ctx->NewState |= _NEW_TEXTURE;
- }
+ ctx->NewState |= _NEW_TEXTURE;
}
}
_mesa_unlock_texture(ctx, texObj);
@@ -3506,100 +3386,80 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
/**
* Error checking for glCompressedTexSubImage[123]D().
- * \warning There are some bad assumptions here about the size of compressed
- * texture tiles (multiple of 4) used to test the validity of the
- * offset and size parameters.
* \return error code or GL_NO_ERROR.
*/
static GLenum
-compressed_subtexture_error_check(struct gl_context *ctx, GLint dimensions,
+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)
{
- GLint expectedSize, maxLevels = 0, maxTextureSize;
- GLuint bw, bh;
- (void) zoffset;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLint expectedSize;
+ GLboolean targetOK;
- if (dimensions == 1) {
- /* 1D compressed textures not allowed */
- return GL_INVALID_ENUM;
- }
- else if (dimensions == 2) {
- if (target == GL_PROXY_TEXTURE_2D) {
- maxLevels = ctx->Const.MaxTextureLevels;
- }
- else if (target == GL_TEXTURE_2D) {
- maxLevels = ctx->Const.MaxTextureLevels;
- }
- else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
- if (!ctx->Extensions.ARB_texture_cube_map)
- return GL_INVALID_ENUM; /*target*/
- maxLevels = ctx->Const.MaxCubeTextureLevels;
- }
- else if (_mesa_is_cube_face(target)) {
- if (!ctx->Extensions.ARB_texture_cube_map)
- return GL_INVALID_ENUM; /*target*/
- maxLevels = ctx->Const.MaxCubeTextureLevels;
- }
- else {
- return GL_INVALID_ENUM; /*target*/
- }
- }
- else if (dimensions == 3) {
- /* 3D compressed textures not allowed */
- return GL_INVALID_ENUM;
+ if (dims == 2) {
+ switch (target) {
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ targetOK = GL_TRUE;
+ break;
+ default:
+ targetOK = GL_FALSE;
+ }
+ }
+ else {
+ assert(dims == 1 || dims == 3);
+ /* no 1D or 3D compressed textures at this time */
+ targetOK = GL_FALSE;
+ }
+
+ if (!targetOK) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage%uD(target)",
+ dims);
+ return GL_TRUE;
}
- maxTextureSize = 1 << (maxLevels - 1);
-
/* this will catch any invalid compressed format token */
- if (!_mesa_is_compressed_format(ctx, format))
- return GL_INVALID_ENUM;
-
- if (width < 1 || width > maxTextureSize)
- return GL_INVALID_VALUE;
-
- if ((height < 1 || height > maxTextureSize)
- && dimensions > 1)
- return GL_INVALID_VALUE;
-
- if (level < 0 || level >= maxLevels)
- return GL_INVALID_VALUE;
-
- /*
- * do checks which depend on compression block size
- */
- get_compressed_block_size(format, &bw, &bh);
-
- if ((xoffset % bw != 0) || (yoffset % bh != 0))
- return GL_INVALID_VALUE;
-
- if ((width % bw != 0) && width != 2 && width != 1)
- return GL_INVALID_VALUE;
+ if (!_mesa_is_compressed_format(ctx, format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage%uD(format)",
+ dims);
+ return GL_TRUE;
+ }
- if ((height % bh != 0) && height != 2 && height != 1)
- return GL_INVALID_VALUE;
+ if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage%uD(level=%d)",
+ dims, level);
+ return GL_TRUE;
+ }
expectedSize = compressed_tex_size(width, height, depth, format);
- if (expectedSize != imageSize)
- return GL_INVALID_VALUE;
-
- return GL_NO_ERROR;
-}
+ if (expectedSize != imageSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage%uD(size=%d)",
+ dims, imageSize);
+ return GL_TRUE;
+ }
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ if (!texObj) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "glCompressedTexSubImage%uD()", dims);
+ return GL_TRUE;
+ }
-/**
- * Do second part of glCompressedTexSubImage error checking.
- * \return GL_TRUE if error found, GL_FALSE otherwise.
- */
-static GLboolean
-compressed_subtexture_error_check2(struct gl_context *ctx, GLuint dims,
- GLsizei width, GLsizei height,
- GLsizei depth, GLenum format,
- struct gl_texture_image *texImage)
-{
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage%uD(invalid texture image)", dims);
+ return GL_TRUE;
+ }
if ((GLint) format != texImage->InternalFormat) {
_mesa_error(ctx, GL_INVALID_OPERATION,
@@ -3614,34 +3474,12 @@ compressed_subtexture_error_check2(struct gl_context *ctx, GLuint dims,
return GL_TRUE;
}
- if (((width == 1 || width == 2) &&
- width != (GLsizei) texImage->Width) ||
- (width > (GLsizei) texImage->Width)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage%uD(width=%d)", dims, width);
+ if (error_check_subtexture_dimensions(ctx, "glCompressedTexSubImage", dims,
+ texImage, xoffset, yoffset, zoffset,
+ width, height, depth)) {
return GL_TRUE;
}
- if (dims >= 2) {
- if (((height == 1 || height == 2) &&
- height != (GLsizei) texImage->Height) ||
- (height > (GLsizei) texImage->Height)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage%uD(height=%d)", dims, height);
- return GL_TRUE;
- }
- }
-
- if (dims >= 3) {
- if (((depth == 1 || depth == 2) &&
- depth != (GLsizei) texImage->Depth) ||
- (depth > (GLsizei) texImage->Depth)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage%uD(depth=%d)", dims, depth);
- return GL_TRUE;
- }
- }
-
return GL_FALSE;
}
@@ -3693,16 +3531,13 @@ compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLenum error;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- error = compressed_subtexture_error_check(ctx, dims, target, level,
- xoffset, 0, 0, /* pos */
- width, height, depth, /* size */
- format, imageSize);
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims);
+ if (compressed_subtexture_error_check(ctx, dims, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, imageSize)) {
return;
}
@@ -3713,11 +3548,7 @@ compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
assert(texImage);
- if (compressed_subtexture_error_check2(ctx, dims, width, height, depth,
- format, texImage)) {
- /* error was recorded */
- }
- else if (width > 0 && height > 0 && depth > 0) {
+ if (width > 0 && height > 0 && depth > 0) {
ctx->Driver.CompressedTexSubImage(ctx, dims, texImage,
xoffset, yoffset, zoffset,
width, height, depth,