diff options
Diffstat (limited to 'src/mesa/main/teximage.c')
| -rw-r--r-- | src/mesa/main/teximage.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 4d635fe7f47..07ac1e1cfcd 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -4186,7 +4186,18 @@ _mesa_validate_texbuffer_format(const struct gl_context *ctx, if (datatype == GL_FLOAT && !ctx->Extensions.ARB_texture_float) return MESA_FORMAT_NONE; - if (datatype == GL_HALF_FLOAT && !ctx->Extensions.ARB_half_float_pixel) + /* The GL_ARB_texture_buffer_object spec says: + * + * "If ARB_texture_float is not supported, references to the + * floating-point internal formats provided by that extension should be + * removed, and such formats may not be passed to TexBufferARB." + * + * As a result, GL_HALF_FLOAT internal format depends on both + * GL_ARB_texture_float and GL_ARB_half_float_pixel. + */ + if (datatype == GL_HALF_FLOAT && + !(ctx->Extensions.ARB_half_float_pixel + && ctx->Extensions.ARB_texture_float)) return MESA_FORMAT_NONE; if (!ctx->Extensions.ARB_texture_rg) { |