static GLboolean
brwProgramStringNotify(struct gl_context *ctx,
GLenum target,
struct gl_program *prog)
{
assert(target == GL_VERTEX_PROGRAM_ARB || !prog->arb.IsPositionInvariant);
struct brw_context *brw = brw_context(ctx);
const struct brw_compiler *compiler = brw->screen->compiler;
switch (target) {
case GL_FRAGMENT_PROGRAM_ARB: {
struct brw_program *newFP = brw_program(prog);
const struct brw_program *curFP =
brw_program_const(brw->fragment_program);
if (newFP == curFP)
brw->ctx.NewDriverState |= BRW_NEW_FRAGMENT_PROGRAM;
newFP->id = get_new_program_id(brw->screen);
prog->nir = brw_create_nir(brw, NULL, prog, MESA_SHADER_FRAGMENT, true);
brw_fs_precompile(ctx, prog);
break;
}
case GL_VERTEX_PROGRAM_ARB: {
struct brw_program *newVP = brw_program(prog);
const struct brw_program *curVP =
brw_program_const(brw->vertex_program);
if (newVP == curVP)
brw->ctx.NewDriverState |= BRW_NEW_VERTEX_PROGRAM;
if (newVP->program.arb.IsPositionInvariant) {
_mesa_insert_mvp_code(ctx, &newVP->program);
}
newVP->id = get_new_program_id(brw->screen);
/* Also tell tnl about it:
*/
_tnl_program_string(ctx, target, prog);
prog->nir = brw_create_nir(brw, NULL, prog, MESA_SHADER_VERTEX,
compiler->scalar_stage[MESA_SHADER_VERTEX]);
brw_vs_precompile(ctx, prog);
break;
}
default:
/*
* driver->ProgramStringNotify is only called for ARB programs, fixed
* function vertex programs, and ir_to_mesa (which isn't used by the
* i965 back-end). Therefore, even after geometry shaders are added,
* this function should only ever be called with a target of
* GL_VERTEX_PROGRAM_ARB or GL_FRAGMENT_PROGRAM_ARB.
*/
unreachable("Unexpected target in brwProgramStringNotify");
}
return true;
}
static struct gl_program *brwNewProgram( struct gl_context *ctx,
GLenum target,
GLuint id )
{
struct brw_context *brw = brw_context(ctx);
switch (target) {
case GL_VERTEX_PROGRAM_ARB: {
struct brw_vertex_program *prog = CALLOC_STRUCT(brw_vertex_program);
if (prog) {
prog->id = get_new_program_id(brw->intelScreen);
return _mesa_init_gl_program(&prog->program.Base, target, id);
}
else
return NULL;
}
case GL_FRAGMENT_PROGRAM_ARB: {
struct brw_fragment_program *prog = CALLOC_STRUCT(brw_fragment_program);
if (prog) {
prog->id = get_new_program_id(brw->intelScreen);
return _mesa_init_gl_program(&prog->program.Base, target, id);
}
else
return NULL;
}
case GL_GEOMETRY_PROGRAM_NV: {
struct brw_geometry_program *prog = CALLOC_STRUCT(brw_geometry_program);
if (prog) {
prog->id = get_new_program_id(brw->intelScreen);
return _mesa_init_gl_program(&prog->program.Base, target, id);
} else {
return NULL;
}
}
case GL_COMPUTE_PROGRAM_NV: {
struct brw_compute_program *prog = CALLOC_STRUCT(brw_compute_program);
if (prog) {
prog->id = get_new_program_id(brw->intelScreen);
return _mesa_init_gl_program(&prog->program.Base, target, id);
} else {
return NULL;
}
}
default:
unreachable("Unsupported target in brwNewProgram()");
}
}
static struct gl_program *brwNewProgram( struct gl_context *ctx,
GLenum target,
GLuint id )
{
struct brw_context *brw = brw_context(ctx);
switch (target) {
case GL_VERTEX_PROGRAM_ARB:
case GL_TESS_CONTROL_PROGRAM_NV:
case GL_TESS_EVALUATION_PROGRAM_NV:
case GL_GEOMETRY_PROGRAM_NV:
case GL_COMPUTE_PROGRAM_NV: {
struct brw_program *prog = rzalloc(NULL, struct brw_program);
if (prog) {
prog->id = get_new_program_id(brw->screen);
return _mesa_init_gl_program(&prog->program, target, id);
}
else
return NULL;
}
case GL_FRAGMENT_PROGRAM_ARB: {
struct brw_program *prog;
if (brw->gen < 6) {
struct gen4_fragment_program *g4_prog =
rzalloc(NULL, struct gen4_fragment_program);
prog = &g4_prog->base;
} else {
prog = rzalloc(NULL, struct brw_program);
}
if (prog) {
prog->id = get_new_program_id(brw->screen);
return _mesa_init_gl_program(&prog->program, target, id);
}
else
return NULL;
}
default:
unreachable("Unsupported target in brwNewProgram()");
}
