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Diffstat (limited to 'src/mesa/main/teximage.c')
-rw-r--r--src/mesa/main/teximage.c126
1 files changed, 67 insertions, 59 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index bf23a1f290..cddd9df016 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -388,9 +388,10 @@ _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
* index, depth, stencil, etc).
* \param format the image format value (may by an internal texture format)
* \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
+ * XXX maybe move this func to image.c
*/
-static GLboolean
-is_color_format(GLenum format)
+GLboolean
+_mesa_is_color_format(GLenum format)
{
switch (format) {
case GL_RED:
@@ -491,6 +492,7 @@ is_color_format(GLenum format)
#endif /* FEATURE_EXT_texture_sRGB */
return GL_TRUE;
case GL_YCBCR_MESA: /* not considered to be RGB */
+ /* fall-through */
default:
return GL_FALSE;
}
@@ -1587,9 +1589,9 @@ texture_error_check( GLcontext *ctx, GLenum target,
}
/* make sure internal format and format basically agree */
- colorFormat = is_color_format(format);
+ colorFormat = _mesa_is_color_format(format);
indexFormat = is_index_format(format);
- if ((is_color_format(internalFormat) && !colorFormat && !indexFormat) ||
+ if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) ||
(is_index_format(internalFormat) && !indexFormat) ||
(is_depth_format(internalFormat) != is_depth_format(format)) ||
(is_ycbcr_format(internalFormat) != is_ycbcr_format(format)) ||
@@ -2051,30 +2053,20 @@ copytexture_error_check( GLcontext *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.
- * \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.
*
* \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
- *
- * Verifies each of the parameters against the constants specified in
- * __GLcontextRec::Const and the supported extensions, and according to the
- * OpenGL specification.
*/
static GLboolean
-copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height)
+copytexsubimage_error_check1( GLcontext *ctx, GLuint dimensions,
+ GLenum target, GLint level)
{
- /* Check target */
/* Check that the source buffer is complete */
if (ctx->ReadBuffer->Name) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
@@ -2085,6 +2077,7 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
}
}
+ /* Check target */
if (dimensions == 1) {
if (target != GL_TEXTURE_1D) {
_mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" );
@@ -2132,21 +2125,18 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint 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);
- 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( GLcontext *ctx, GLuint dimensions,
GLenum target, GLint level,
@@ -2154,6 +2144,7 @@ copytexsubimage_error_check2( GLcontext *ctx, GLuint dimensions,
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)",
@@ -2161,6 +2152,19 @@ copytexsubimage_error_check2( GLcontext *ctx, GLuint 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);
+ return GL_TRUE;
+ }
+
+ /* check x/y offsets */
if (xoffset < -((GLint)teximage->Border)) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset);
@@ -2185,6 +2189,7 @@ copytexsubimage_error_check2( GLcontext *ctx, GLuint dimensions,
}
}
+ /* check z offset */
if (dimensions > 2) {
if (zoffset < -((GLint)teximage->Border)) {
_mesa_error(ctx, GL_INVALID_VALUE,
@@ -2336,8 +2341,8 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
* texture's format. Note that a color index texture can be converted
* to RGBA so that combo is allowed.
*/
- if (is_color_format(format)
- && !is_color_format(texImage->TexFormat->BaseFormat)
+ if (_mesa_is_color_format(format)
+ && !_mesa_is_color_format(texImage->TexFormat->BaseFormat)
&& !is_index_format(texImage->TexFormat->BaseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
goto out;
@@ -2430,7 +2435,7 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
#if FEATURE_convolve
- if (is_color_format(internalFormat)) {
+ if (_mesa_is_color_format(internalFormat)) {
_mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
}
#endif
@@ -2527,7 +2532,7 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
#if FEATURE_convolve
- if (is_color_format(internalFormat)) {
+ if (_mesa_is_color_format(internalFormat)) {
_mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
&postConvHeight);
}
@@ -2752,7 +2757,7 @@ _mesa_TexSubImage1D( GLenum target, GLint level,
#if FEATURE_convolve
/* XXX should test internal format */
- if (is_color_format(format)) {
+ if (_mesa_is_color_format(format)) {
_mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
}
#endif
@@ -2812,7 +2817,7 @@ _mesa_TexSubImage2D( GLenum target, GLint level,
#if FEATURE_convolve
/* XXX should test internal format */
- if (is_color_format(format)) {
+ if (_mesa_is_color_format(format)) {
_mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
&postConvHeight);
}
@@ -2927,7 +2932,7 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
_mesa_update_state(ctx);
#if FEATURE_convolve
- if (is_color_format(internalFormat)) {
+ if (_mesa_is_color_format(internalFormat)) {
_mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
}
#endif
@@ -2992,11 +2997,12 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
_mesa_update_state(ctx);
#if FEATURE_convolve
- if (is_color_format(internalFormat)) {
+ if (_mesa_is_color_format(internalFormat)) {
_mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
&postConvHeight);
}
#endif
+
if (copytexture_error_check(ctx, 2, target, level, internalFormat,
postConvWidth, postConvHeight, border))
return;
@@ -3058,13 +3064,7 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level,
if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
-#if FEATURE_convolve
- /* XXX should test internal format */
- _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
-#endif
-
- if (copytexsubimage_error_check(ctx, 1, target, level,
- xoffset, 0, 0, postConvWidth, 1))
+ if (copytexsubimage_error_check1(ctx, 1, target, level))
return;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
@@ -3074,6 +3074,12 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level,
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+#if FEATURE_convolve
+ if (texImage && _mesa_is_color_format(texImage->InternalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
+ }
+#endif
+
if (copytexsubimage_error_check2(ctx, 1, target, level,
xoffset, 0, 0, postConvWidth, 1,
texImage))
@@ -3113,13 +3119,7 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
-#if FEATURE_convolve
- /* XXX should test internal format */
- _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight);
-#endif
-
- if (copytexsubimage_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
- postConvWidth, postConvHeight))
+ if (copytexsubimage_error_check1(ctx, 2, target, level))
return;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
@@ -3129,6 +3129,13 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+#if FEATURE_convolve
+ if (texImage && _mesa_is_color_format(texImage->InternalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 2,
+ &postConvWidth, &postConvHeight);
+ }
+#endif
+
if (copytexsubimage_error_check2(ctx, 2, target, level, xoffset, yoffset, 0,
postConvWidth, postConvHeight, texImage))
goto out;
@@ -3167,13 +3174,7 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
_mesa_update_state(ctx);
-#if FEATURE_convolve
- /* XXX should test internal format */
- _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight);
-#endif
-
- if (copytexsubimage_error_check(ctx, 3, target, level, xoffset, yoffset,
- zoffset, postConvWidth, postConvHeight))
+ if (copytexsubimage_error_check1(ctx, 3, target, level))
return;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
@@ -3183,6 +3184,13 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+#if FEATURE_convolve
+ if (texImage && _mesa_is_color_format(texImage->InternalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 2,
+ &postConvWidth, &postConvHeight);
+ }
+#endif
+
if (copytexsubimage_error_check2(ctx, 3, target, level, xoffset, yoffset,
zoffset, postConvWidth, postConvHeight,
texImage))
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-23 19:44:51 +0000