[Mesa-dev] [PATCH 01/23] swrast: Remove support for the NV_fragment_program extension.

[Kenneth Graunke]

No hardware drivers support this, it's obsolete, and unlikely to be
useful without NV_vertex_program, which is gone now.
---
 src/mesa/main/extensions.c   | 1 -
 src/mesa/swrast/s_context.c  | 4 +---
 src/mesa/swrast/s_fragprog.c | 5 -----
 3 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 8681c4c..8ef616c 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -473,7 +473,6 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
    ctx->Extensions.NV_texture_rectangle = GL_TRUE;
    /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
-   ctx->Extensions.NV_fragment_program = GL_TRUE;
    ctx->Extensions.NV_fragment_program_option = GL_TRUE;
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
    _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 31a12da..ef7ca2e 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -251,9 +251,7 @@ _swrast_update_fog_state( struct gl_context *ctx )
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
 
-   assert((fp == NULL) ||
-          (fp->Base.Target == GL_FRAGMENT_PROGRAM_ARB) ||
-          (fp->Base.Target == GL_FRAGMENT_PROGRAM_NV));
+   assert(fp == NULL || fp->Base.Target == GL_FRAGMENT_PROGRAM_ARB);
 
    /* determine if fog is needed, and if so, which fog mode */
    swrast->_FogEnabled = (!_swrast_use_fragment_program(ctx) &&
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index 812189f..9b60893 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -164,11 +164,6 @@ init_machine(struct gl_context *ctx, struct gl_program_machine *machine,
 {
    GLfloat *wpos = span->array->attribs[FRAG_ATTRIB_WPOS][col];
 
-   if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) {
-      /* Clear temporary registers (undefined for ARB_f_p) */
-      memset(machine->Temporaries, 0, MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat));
-   }
-
    /* ARB_fragment_coord_conventions */
    if (program->OriginUpperLeft)
       wpos[1] = ctx->DrawBuffer->Height - 1 - wpos[1];
-- 
1.7.12.2