All that should be needed is that it exists. Fixes segfaults on first
_mesa_update_context() with a samplerBuffer-using shader active but
without a particular buffer texture enabled.
---
src/glsl/builtins/tools/texture_builtins.py | 4 +---
src/mesa/main/texobj.c | 5 +++++
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/glsl/builtins/tools/texture_builtins.py
b/src/glsl/builtins/tools/texture_builtins.py
index 3a4943a..bbbbd0b 100755
--- a/src/glsl/builtins/tools/texture_builtins.py
+++ b/src/glsl/builtins/tools/texture_builtins.py
@@ -73,9 +73,7 @@ def generate_sigs(g, tex_inst, sampler_type, variant = 0,
unused_fields = 0):
print "\n (declare (in) " + vec_type("i" if tex_inst == "txf"
else "", coord_dim + extra_dim) + " P)",
if tex_inst == "txl":
print "\n (declare (in) float lod)",
- elif (tex_inst == "txf" and "Buffer" not in sampler_type):
- print "\n (declare (in) int lod)",
- elif (tex_inst == "txs" and "Rect" not in sampler_type):
+ elif ((tex_inst == "txf" or tex_inst == "txs") and "Buffer" not in
sampler_type and "Rect" not in sampler_type):
print "\n (declare (in) int lod)",
elif tex_inst == "txd":
grad_type = vec_type("", coord_dim)
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index d7dee4f..88dc3b1 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -756,6 +756,9 @@ _mesa_get_fallback_texture(struct gl_context *ctx,
gl_texture_index tex)
target = GL_TEXTURE_1D;
break;
case TEXTURE_BUFFER_INDEX:
+ dims = 0;
+ target = GL_TEXTURE_BUFFER;
+ break;
case TEXTURE_EXTERNAL_INDEX:
default:
/* no-op */
@@ -794,6 +797,8 @@ _mesa_get_fallback_texture(struct gl_context *ctx,
gl_texture_index tex)
GL_RGBA, texFormat);
switch (dims) {
+ case 0:
+ break;
case 1:
ctx->Driver.TexImage1D(ctx, texImage, GL_RGBA,
width, 0,
--
1.7.9.1
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