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-rw-r--r--src/mesa/shader/arbprogparse.c7
-rw-r--r--src/mesa/shader/programopt.c1
-rw-r--r--src/mesa/shader/slang/slang_builtin.c5
-rw-r--r--src/mesa/shader/slang/slang_link.c14
4 files changed, 3 insertions, 24 deletions
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c
index 0f530ebb8a5..381445c0e84 100644
--- a/src/mesa/shader/arbprogparse.c
+++ b/src/mesa/shader/arbprogparse.c
@@ -3975,13 +3975,6 @@ _mesa_parse_arb_fragment_program(GLcontext* ctx, GLenum target,
if (program->FogOption)
program->Base.InputsRead |= FRAG_BIT_FOGC;
- /* XXX: assume that ARB fragment programs don't have access to the
- * FrontFacing and PointCoord values stuffed into the fog
- * coordinate in GLSL shaders.
- */
- if (program->Base.InputsRead & FRAG_BIT_FOGC)
- program->UsesFogFragCoord = GL_TRUE;
-
if (program->Base.Instructions)
_mesa_free(program->Base.Instructions);
program->Base.Instructions = ap.Base.Instructions;
diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index ac5fe0f691f..f70c75cec8e 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -396,7 +396,6 @@ _mesa_append_fog_code(GLcontext *ctx, struct gl_fragment_program *fprog)
fprog->Base.Instructions = newInst;
fprog->Base.NumInstructions = inst - newInst;
fprog->Base.InputsRead |= FRAG_BIT_FOGC;
- fprog->UsesFogFragCoord = GL_TRUE;
/* XXX do this? fprog->FogOption = GL_NONE; */
}
diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index 5721e9b8f10..9ed8e3ecb39 100644
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -752,8 +752,9 @@ static const struct input_info fragInputs[] = {
{ "gl_TexCoord", FRAG_ATTRIB_TEX0, GL_FLOAT_VEC4, SWIZZLE_NOOP },
/* note: we're packing several quantities into the fogcoord vector */
{ "gl_FogFragCoord", FRAG_ATTRIB_FOGC, GL_FLOAT, SWIZZLE_XXXX },
- { "gl_FrontFacing", FRAG_ATTRIB_FOGC, GL_BOOL, SWIZZLE_YYYY }, /*XXX*/
- { "gl_PointCoord", FRAG_ATTRIB_FOGC, GL_FLOAT_VEC2, SWIZZLE_ZWWW },
+ { "gl_FogFragCoord", FRAG_ATTRIB_FOGC, GL_FLOAT, SWIZZLE_XXXX },
+ { "gl_FrontFacing", FRAG_ATTRIB_FACE, GL_FLOAT, SWIZZLE_XXXX },
+ { "gl_PointCoord", FRAG_ATTRIB_PNTC, GL_FLOAT_VEC2, SWIZZLE_XYZW },
{ NULL, 0, SWIZZLE_NOOP }
};
diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c
index d1e91d306d9..c5c94a65a24 100644
--- a/src/mesa/shader/slang/slang_link.c
+++ b/src/mesa/shader/slang/slang_link.c
@@ -504,20 +504,6 @@ _slang_update_inputs_outputs(struct gl_program *prog)
for (j = 0; j < numSrc; j++) {
if (inst->SrcReg[j].File == PROGRAM_INPUT) {
prog->InputsRead |= 1 << inst->SrcReg[j].Index;
- if (prog->Target == GL_FRAGMENT_PROGRAM_ARB &&
- inst->SrcReg[j].Index == FRAG_ATTRIB_FOGC) {
- /* The fragment shader FOGC input is used for fog,
- * front-facing and sprite/point coord.
- */
- struct gl_fragment_program *fp = fragment_program(prog);
- const GLint swz = GET_SWZ(inst->SrcReg[j].Swizzle, 0);
- if (swz == SWIZZLE_X)
- fp->UsesFogFragCoord = GL_TRUE;
- else if (swz == SWIZZLE_Y)
- fp->UsesFrontFacing = GL_TRUE;
- else if (swz == SWIZZLE_Z || swz == SWIZZLE_W)
- fp->UsesPointCoord = GL_TRUE;
- }
}
else if (inst->SrcReg[j].File == PROGRAM_ADDRESS) {
maxAddrReg = MAX2(maxAddrReg, (GLuint) (inst->SrcReg[j].Index + 1));