diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/main/teximage.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index c75f60570c2..10232d65658 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -40,6 +40,7 @@ #include "image.h" #include "imports.h" #include "macros.h" +#include "mipmap.h" #include "multisample.h" #include "pixelstore.h" #include "state.h" @@ -1268,12 +1269,50 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, mesa_format format, GLuint numSamples, GLint width, GLint height, GLint depth) { + uint64_t bytes, mbytes; + + assert(numSamples > 0); + + if (numLevels > 0) { + /* Compute total memory for a whole mipmap. This is the path + * taken for glTexStorage(GL_PROXY_TEXTURE_x). + */ + unsigned l; + + assert(level == 0); + + bytes = 0; + + for (l = 0; l < numLevels; l++) { + GLint nextWidth, nextHeight, nextDepth; + + bytes += _mesa_format_image_size64(format, width, height, depth); + + if (_mesa_next_mipmap_level_size(target, 0, width, height, depth, + &nextWidth, &nextHeight, + &nextDepth)) { + width = nextWidth; + height = nextHeight; + depth = nextDepth; + } else { + break; + } + } + } else { + /* We just compute the size of one mipmap level. This is the path + * taken for glTexImage(GL_PROXY_TEXTURE_x). + */ + bytes = _mesa_format_image_size64(format, width, height, depth); + } + + bytes *= _mesa_num_tex_faces(target); + bytes *= numSamples; + + mbytes = bytes / (1024 * 1024); /* convert to MB */ + /* We just check if the image size is less than MaxTextureMbytes. * Some drivers may do more specific checks. */ - uint64_t bytes = _mesa_format_image_size64(format, width, height, depth); - uint64_t mbytes = bytes / (1024 * 1024); /* convert to MB */ - mbytes *= _mesa_num_tex_faces(target); return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes; } |