const GLint dstDepthNB = dstDepth - 2 * border;
GLint img, row;
GLint bytesPerSrcImage, bytesPerDstImage;
- GLint bytesPerSrcRow, bytesPerDstRow;
GLint srcImageOffset, srcRowOffset;
(void) srcDepthNB; /* silence warnings */
-
- bytesPerSrcImage = srcWidth * srcHeight * bpt;
- bytesPerDstImage = dstWidth * dstHeight * bpt;
-
- bytesPerSrcRow = srcWidth * bpt;
- bytesPerDstRow = dstWidth * bpt;
+ bytesPerSrcImage = srcRowStride * srcHeight * bpt;
+ bytesPerDstImage = dstRowStride * dstHeight * bpt;
/* Offset between adjacent src images to be averaged together */
srcImageOffset = (srcDepth == dstDepth) ? 0 : 1;
/* Offset between adjacent src rows to be averaged together */
- srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt;
+ srcRowOffset = (srcHeight == dstHeight) ? 0 : srcRowStride;
/*
* Need to average together up to 8 src pixels for each dest pixel.
for (img = 0; img < dstDepthNB; img++) {
/* first source image pointer, skipping border */
const GLubyte *imgSrcA = srcPtr[img * 2 + border]
- + bytesPerSrcRow * border + bpt * border;
+ + srcRowStride * border + bpt * border;
/* second source image pointer, skipping border */
const GLubyte *imgSrcB = srcPtr[img * 2 + srcImageOffset + border]
- + bytesPerSrcRow * border + bpt * border;
+ + srcRowStride * border + bpt * border;
/* address of the dest image, skipping border */
GLubyte *imgDst = dstPtr[img + border]
- + bytesPerDstRow * border + bpt * border;
+ + dstRowStride * border + bpt * border;
/* setup the four source row pointers and the dest row pointer */
const GLubyte *srcImgARowA = imgSrcA;
dstWidthNB, dstImgRow);
/* advance to next rows */
- srcImgARowA += bytesPerSrcRow + srcRowOffset;
- srcImgARowB += bytesPerSrcRow + srcRowOffset;
- srcImgBRowA += bytesPerSrcRow + srcRowOffset;
- srcImgBRowB += bytesPerSrcRow + srcRowOffset;
- dstImgRow += bytesPerDstRow;
+ srcImgARowA += srcRowStride + srcRowOffset;
+ srcImgARowB += srcRowStride + srcRowOffset;
+ srcImgBRowA += srcRowStride + srcRowOffset;
+ srcImgBRowB += srcRowStride + srcRowOffset;
+ dstImgRow += dstRowStride;
}
}
memcpy(dst, src, bpt);
/* do border along [img][row=dstHeight-1][col=0] */
- src = srcPtr[img * 2] + (srcHeight - 1) * bytesPerSrcRow;
- dst = dstPtr[img] + (dstHeight - 1) * bytesPerDstRow;
+ src = srcPtr[img * 2] + (srcHeight - 1) * srcRowStride;
+ dst = dstPtr[img] + (dstHeight - 1) * dstRowStride;
memcpy(dst, src, bpt);
/* do border along [img][row=0][col=dstWidth-1] */
/* do border along [img][row=dstHeight-1][col=0] */
srcA = srcPtr[img * 2 + 0]
- + (srcHeight - 1) * bytesPerSrcRow;
+ + (srcHeight - 1) * srcRowStride;
srcB = srcPtr[img * 2 + srcImageOffset]
- + (srcHeight - 1) * bytesPerSrcRow;
- dst = dstPtr[img] + (dstHeight - 1) * bytesPerDstRow;
+ + (srcHeight - 1) * srcRowStride;
+ dst = dstPtr[img] + (dstHeight - 1) * dstRowStride;
do_row(datatype, comps, 1, srcA, srcB, 1, dst);
/* do border along [img][row=0][col=dstWidth-1] */
}
break;
case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
for (i = 0; i < dstDepth; i++) {
make_2d_mipmap(datatype, comps, border,
srcWidth, srcHeight, srcData[i], srcRowStride,
* compute next (level+1) image size
* \return GL_FALSE if no smaller size can be generated (eg. src is 1x1x1 size)
*/
-static GLboolean
-next_mipmap_level_size(GLenum target, GLint border,
+GLboolean
+_mesa_next_mipmap_level_size(GLenum target, GLint border,
GLint srcWidth, GLint srcHeight, GLint srcDepth,
GLint *dstWidth, GLint *dstHeight, GLint *dstDepth)
{
}
if ((srcDepth - 2 * border > 1) &&
- (target != GL_TEXTURE_2D_ARRAY_EXT)) {
+ (target != GL_TEXTURE_2D_ARRAY_EXT &&
+ target != GL_TEXTURE_CUBE_MAP_ARRAY)) {
*dstDepth = (srcDepth - 2 * border) / 2 + 2 * border;
}
else {
_mesa_prepare_mipmap_level(struct gl_context *ctx,
struct gl_texture_object *texObj, GLuint level,
GLsizei width, GLsizei height, GLsizei depth,
- GLsizei border, GLenum intFormat, gl_format format)
+ GLsizei border, GLenum intFormat, mesa_format format)
{
const GLuint numFaces = _mesa_num_tex_faces(texObj->Target);
GLuint face;
srcDepth = srcImage->Depth;
border = srcImage->Border;
- nextLevel = next_mipmap_level_size(target, border,
+ nextLevel = _mesa_next_mipmap_level_size(target, border,
srcWidth, srcHeight, srcDepth,
&dstWidth, &dstHeight, &dstDepth);
if (!nextLevel)
GLuint maxLevel)
{
GLuint level;
- gl_format temp_format;
+ mesa_format temp_format;
GLint components;
GLuint temp_src_row_stride, temp_src_img_stride; /* in bytes */
GLubyte *temp_src = NULL, *temp_dst = NULL;
GLenum temp_datatype;
GLenum temp_base_format;
- GLubyte **temp_src_slices, **temp_dst_slices;
+ GLubyte **temp_src_slices = NULL, **temp_dst_slices = NULL;
/* only two types of compressed textures at this time */
assert(texObj->Target == GL_TEXTURE_2D ||
texObj->Target == GL_TEXTURE_2D_ARRAY ||
- texObj->Target == GL_TEXTURE_CUBE_MAP_ARB);
+ texObj->Target == GL_TEXTURE_CUBE_MAP_ARB ||
+ texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY);
/*
* Choose a format for the temporary, uncompressed base image.
components = _mesa_format_num_components(temp_format);
- /* Revisit this if we get compressed formats with >8 bits per component */
- if (_mesa_get_format_datatype(srcImage->TexFormat)
- == GL_SIGNED_NORMALIZED) {
+ switch (_mesa_get_format_datatype(srcImage->TexFormat)) {
+ case GL_FLOAT:
+ temp_datatype = GL_FLOAT;
+ break;
+ case GL_SIGNED_NORMALIZED:
+ /* Revisit this if we get compressed formats with >8 bits per component */
temp_datatype = GL_BYTE;
- }
- else {
+ break;
+ default:
temp_datatype = GL_UNSIGNED_BYTE;
}
temp_dst_slices = malloc(srcImage->Depth * sizeof(GLubyte *));
if (!temp_src || !temp_src_slices || !temp_dst_slices) {
- free(temp_src);
- free(temp_src_slices);
- free(temp_dst_slices);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps");
- return;
+ goto end;
}
/* decompress base image to the temporary src buffer */
srcDepth = srcImage->Depth;
border = srcImage->Border;
- nextLevel = next_mipmap_level_size(target, border,
+ nextLevel = _mesa_next_mipmap_level_size(target, border,
srcWidth, srcHeight, srcDepth,
&dstWidth, &dstHeight, &dstDepth);
if (!nextLevel)
temp_dst = malloc(temp_dst_img_stride * dstDepth);
if (!temp_dst) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps");
- break;
+ goto end;
}
}
dstImage = _mesa_get_tex_image(ctx, texObj, target, level + 1);
if (!dstImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
- free(temp_dst);
- return;
+ goto end;
}
/* for 2D arrays, setup array[depth] of slice pointers */
dstWidth, dstHeight, dstDepth,
border, srcImage->InternalFormat,
srcImage->TexFormat)) {
- free(temp_dst);
- return;
+ /* all done */
+ goto end;
}
/* The image space was allocated above so use glTexSubImage now */
}
} /* loop over mipmap levels */
+end:
free(temp_src);
free(temp_dst);
free(temp_src_slices);
projects / mesa.git / blobdiff