diff options
author | Eric Anholt <eric@anholt.net> | 2012-04-16 13:37:04 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2012-04-16 13:50:05 -0700 |
commit | 35f2fb70d3826df70fa2f53af05339137cddefc8 (patch) | |
tree | 01589fe2053c8c6e4175e46aee2ab56675f3820c | |
parent | f084b5ad323f021e9a0f667b977942fb25f69c43 (diff) |
Revert "glsl: Refuse to link GLSL 1.40+ shaders that would use fixed function."
This reverts commit 4ec449a6ed1d2cea3bf83d6518b3b352ce5daceb.
I meant to not push this one. Review found that a link error is not
mandated: it should link, but you get undefined rendering if you rely
on a missing stage.
page 42/55 section 2.11 "Vertex Shaders":
"If the program object has no vertex shader, or no program object
is currently in use, the results of vertex shader execution are
undefined."
(and similar for page 160/173 section 3.9 "Fragment Shaders" for FS,
and page 45/58 section 2.11.2 "Program Objects" for program being 0)
It turns out the commit was broken anyway, because it was missing a
"goto done", so linkstatus got smashed back to true later and the
error just showed up as a warning in the infolog.
-rw-r--r-- | src/glsl/linker.cpp | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp index 5f8e8830169..6ba297237c7 100644 --- a/src/glsl/linker.cpp +++ b/src/glsl/linker.cpp @@ -2225,20 +2225,6 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog) goto done; } - if (max_version >= 140) { - /* Note that this will change with GL_ARB_separate_shader_objects */ - if (num_vert_shaders == 0) { - linker_error(prog, - "GLSL %.02f without GL_ARB_compatibility requires a " - "vertex shader", max_version / 100.0); - } - if (num_frag_shaders == 0) { - linker_error(prog, - "GLSL %.02f without GL_ARB_compatibility requires a " - "fragment shader", max_version / 100.0); - } - } - prog->Version = max_version; for (unsigned int i = 0; i < MESA_SHADER_TYPES; i++) { |