bool
brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_vs_prog_key key;
uint32_t old_prog_offset = brw->vs.base.prog_offset;
struct brw_vs_prog_data *old_prog_data = brw->vs.prog_data;
bool success;
if (!prog->_LinkedShaders[MESA_SHADER_VERTEX])
return true;
struct gl_vertex_program *vp = (struct gl_vertex_program *)
prog->_LinkedShaders[MESA_SHADER_VERTEX]->Program;
struct brw_vertex_program *bvp = brw_vertex_program(vp);
memset(&key, 0, sizeof(key));
brw_vec4_setup_prog_key_for_precompile(ctx, &key.base, bvp->id, &vp->Base);
success = do_vs_prog(brw, prog, bvp, &key);
brw->vs.base.prog_offset = old_prog_offset;
brw->vs.prog_data = old_prog_data;
return success;
}
bool
brw_vs_precompile(struct gl_context *ctx,
struct gl_shader_program *shader_prog,
struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_vs_prog_key key;
uint32_t old_prog_offset = brw->vs.base.prog_offset;
struct brw_vs_prog_data *old_prog_data = brw->vs.prog_data;
bool success;
struct gl_vertex_program *vp = (struct gl_vertex_program *) prog;
struct brw_vertex_program *bvp = brw_vertex_program(vp);
memset(&key, 0, sizeof(key));
brw_setup_tex_for_precompile(brw, &key.tex, prog);
key.program_string_id = bvp->id;
key.clamp_vertex_color =
(prog->OutputsWritten & (VARYING_BIT_COL0 | VARYING_BIT_COL1 |
VARYING_BIT_BFC0 | VARYING_BIT_BFC1));
success = brw_codegen_vs_prog(brw, shader_prog, bvp, &key);
brw->vs.base.prog_offset = old_prog_offset;
brw->vs.prog_data = old_prog_data;
return success;
}
bool
brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_vs_prog_key key;
if (!prog->_LinkedShaders[MESA_SHADER_VERTEX])
return true;
struct gl_vertex_program *vp = (struct gl_vertex_program *)
prog->_LinkedShaders[MESA_SHADER_VERTEX]->Program;
struct brw_vertex_program *bvp = brw_vertex_program(vp);
memset(&key, 0, sizeof(key));
brw_vec4_setup_prog_key_for_precompile(ctx, &key.base, bvp->id, &vp->Base);
// In VK, user clipping is triggered solely from the shader.
key.base.userclip_active = vp->Base.UsesClipDistanceOut;
struct brw_vs_compile c;
brw_vs_init_compile(brw, prog, bvp, &key, &c);
if (!brw_vs_do_compile(brw, &c)) {
brw_vs_clear_compile(brw, &c);
return false;
}
// Rather than defer or upload to cache, hand off
// the compile results back to the brw_context
brw_shader_program_save_vs_compile(brw->shader_prog, &c);
return true;
}
static GLboolean brwProgramStringNotify( GLcontext *ctx,
GLenum target,
struct gl_program *prog )
{
struct brw_context *brw = brw_context(ctx);
int i;
if (target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
struct brw_fragment_program *newFP = brw_fragment_program(fprog);
const struct brw_fragment_program *curFP =
brw_fragment_program_const(brw->fragment_program);
if (fprog->FogOption) {
_mesa_append_fog_code(ctx, fprog);
fprog->FogOption = GL_NONE;
}
if (newFP == curFP)
brw->state.dirty.brw |= BRW_NEW_FRAGMENT_PROGRAM;
newFP->id = brw->program_id++;
newFP->isGLSL = brw_wm_is_glsl(fprog);
}
else if (target == GL_VERTEX_PROGRAM_ARB) {
struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
struct brw_vertex_program *newVP = brw_vertex_program(vprog);
const struct brw_vertex_program *curVP =
brw_vertex_program_const(brw->vertex_program);
if (newVP == curVP)
brw->state.dirty.brw |= BRW_NEW_VERTEX_PROGRAM;
if (newVP->program.IsPositionInvariant) {
_mesa_insert_mvp_code(ctx, &newVP->program);
}
newVP->id = brw->program_id++;
/* Also tell tnl about it:
*/
_tnl_program_string(ctx, target, prog);
}
/* Reject programs with subroutines, which are totally broken at the moment
* (all program flows return when any program flow returns, and
* the VS also hangs if a function call calls a function.
*
* See piglit glsl-{vs,fs}-functions-[23] tests.
*/
for (i = 0; i < prog->NumInstructions; i++) {
if (prog->Instructions[i].Opcode == OPCODE_CAL) {
shader_error(ctx, prog,
"i965 driver doesn't yet support uninlined function "
"calls. Move to using a single return statement at "
"the end of the function to work around it.");
return GL_FALSE;
}
}
return GL_TRUE;
}
static void brwDeleteProgram( GLcontext *ctx,
struct gl_program *prog )
{
if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fp = (struct gl_fragment_program *) prog;
struct brw_fragment_program *brw_fp = brw_fragment_program(fp);
dri_bo_unreference(brw_fp->const_buffer);
}
if (prog->Target == GL_VERTEX_PROGRAM_ARB) {
struct gl_vertex_program *vp = (struct gl_vertex_program *) prog;
struct brw_vertex_program *brw_vp = brw_vertex_program(vp);
dri_bo_unreference(brw_vp->const_buffer);
}
_mesa_delete_program( ctx, prog );
}
static void brwProgramStringNotify( GLcontext *ctx,
GLenum target,
struct gl_program *prog )
{
struct brw_context *brw = brw_context(ctx);
if (target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
struct brw_fragment_program *newFP = brw_fragment_program(fprog);
const struct brw_fragment_program *curFP =
brw_fragment_program_const(brw->fragment_program);
if (fprog->FogOption) {
_mesa_append_fog_code(ctx, fprog);
fprog->FogOption = GL_NONE;
}
if (newFP == curFP)
brw->state.dirty.brw |= BRW_NEW_FRAGMENT_PROGRAM;
newFP->id = brw->program_id++;
newFP->isGLSL = brw_wm_is_glsl(fprog);
}
else if (target == GL_VERTEX_PROGRAM_ARB) {
struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
struct brw_vertex_program *newVP = brw_vertex_program(vprog);
const struct brw_vertex_program *curVP =
brw_vertex_program_const(brw->vertex_program);
if (newVP == curVP)
brw->state.dirty.brw |= BRW_NEW_VERTEX_PROGRAM;
if (newVP->program.IsPositionInvariant) {
_mesa_insert_mvp_code(ctx, &newVP->program);
}
newVP->id = brw->program_id++;
/* Also tell tnl about it:
*/
_tnl_program_string(ctx, target, prog);
}
}
bool
brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_vs_prog_key key;
uint32_t old_prog_offset = brw->vs.base.prog_offset;
struct brw_vs_prog_data *old_prog_data = brw->vs.prog_data;
bool success;
if (!prog->_LinkedShaders[MESA_SHADER_VERTEX])
return true;
struct gl_vertex_program *vp = (struct gl_vertex_program *)
prog->_LinkedShaders[MESA_SHADER_VERTEX]->Program;
struct brw_vertex_program *bvp = brw_vertex_program(vp);
memset(&key, 0, sizeof(key));
key.base.program_string_id = bvp->id;
key.base.clamp_vertex_color = ctx->API == API_OPENGL_COMPAT;
unsigned sampler_count = _mesa_fls(vp->Base.SamplersUsed);
for (unsigned i = 0; i < sampler_count; i++) {
if (vp->Base.ShadowSamplers & (1 << i)) {
/* Assume DEPTH_TEXTURE_MODE is the default: X, X, X, 1 */
key.base.tex.swizzles[i] =
MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_ONE);
} else {
/* Color sampler: assume no swizzling. */
key.base.tex.swizzles[i] = SWIZZLE_XYZW;
}
}
success = do_vs_prog(brw, prog, bvp, &key);
brw->vs.base.prog_offset = old_prog_offset;
brw->vs.prog_data = old_prog_data;
return success;
}
static GLboolean
brwProgramStringNotify(struct gl_context *ctx,
GLenum target,
struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
const struct brw_compiler *compiler = brw->intelScreen->compiler;
switch (target) {
case GL_FRAGMENT_PROGRAM_ARB: {
struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
struct brw_fragment_program *newFP = brw_fragment_program(fprog);
const struct brw_fragment_program *curFP =
brw_fragment_program_const(brw->fragment_program);
if (newFP == curFP)
brw->ctx.NewDriverState |= BRW_NEW_FRAGMENT_PROGRAM;
newFP->id = get_new_program_id(brw->intelScreen);
brw_add_texrect_params(prog);
prog->nir = brw_create_nir(brw, NULL, prog, MESA_SHADER_FRAGMENT, true);
brw_fs_precompile(ctx, NULL, prog);
break;
}
case GL_VERTEX_PROGRAM_ARB: {
struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
struct brw_vertex_program *newVP = brw_vertex_program(vprog);
const struct brw_vertex_program *curVP =
brw_vertex_program_const(brw->vertex_program);
if (newVP == curVP)
brw->ctx.NewDriverState |= BRW_NEW_VERTEX_PROGRAM;
if (newVP->program.IsPositionInvariant) {
_mesa_insert_mvp_code(ctx, &newVP->program);
}
newVP->id = get_new_program_id(brw->intelScreen);
/* Also tell tnl about it:
*/
_tnl_program_string(ctx, target, prog);
brw_add_texrect_params(prog);
prog->nir = brw_create_nir(brw, NULL, prog, MESA_SHADER_VERTEX,
compiler->scalar_stage[MESA_SHADER_VERTEX]);
brw_vs_precompile(ctx, NULL, 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 GLboolean brwProgramStringNotify( struct gl_context *ctx,
GLenum target,
struct gl_program *prog )
{
struct brw_context *brw = brw_context(ctx);
int i;
if (target == GL_FRAGMENT_PROGRAM_ARB) {
struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
struct brw_fragment_program *newFP = brw_fragment_program(fprog);
const struct brw_fragment_program *curFP =
brw_fragment_program_const(brw->fragment_program);
struct gl_shader_program *shader_program;
if (newFP == curFP)
brw->state.dirty.brw |= BRW_NEW_FRAGMENT_PROGRAM;
newFP->id = brw->program_id++;
/* Don't reject fragment shaders for their Mesa IR state when we're
* using the new FS backend.
*/
shader_program = _mesa_lookup_shader_program(ctx, prog->Id);
if (shader_program
&& shader_program->_LinkedShaders[MESA_SHADER_FRAGMENT]) {
return GL_TRUE;
}
}
else if (target == GL_VERTEX_PROGRAM_ARB) {
struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
struct brw_vertex_program *newVP = brw_vertex_program(vprog);
const struct brw_vertex_program *curVP =
brw_vertex_program_const(brw->vertex_program);
if (newVP == curVP)
brw->state.dirty.brw |= BRW_NEW_VERTEX_PROGRAM;
if (newVP->program.IsPositionInvariant) {
_mesa_insert_mvp_code(ctx, &newVP->program);
}
newVP->id = brw->program_id++;
/* Also tell tnl about it:
*/
_tnl_program_string(ctx, target, prog);
}
/* Reject programs with subroutines, which are totally broken at the moment
* (all program flows return when any program flow returns, and
* the VS also hangs if a function call calls a function.
*
* See piglit glsl-{vs,fs}-functions-[23] tests.
*/
for (i = 0; i < prog->NumInstructions; i++) {
struct prog_instruction *inst = prog->Instructions + i;
int r;
if (prog->Instructions[i].Opcode == OPCODE_CAL) {
shader_error(ctx, prog,
"i965 driver doesn't yet support uninlined function "
"calls. Move to using a single return statement at "
"the end of the function to work around it.\n");
return GL_FALSE;
}
if (prog->Instructions[i].Opcode == OPCODE_RET) {
shader_error(ctx, prog,
"i965 driver doesn't yet support \"return\" "
"from main().\n");
return GL_FALSE;
}
for (r = 0; r < _mesa_num_inst_src_regs(inst->Opcode); r++) {
if (prog->Instructions[i].SrcReg[r].RelAddr &&
prog->Instructions[i].SrcReg[r].File == PROGRAM_INPUT) {
shader_error(ctx, prog,
"Variable indexing of shader inputs unsupported\n");
return GL_FALSE;
}
}
if (target == GL_FRAGMENT_PROGRAM_ARB &&
prog->Instructions[i].DstReg.RelAddr &&
prog->Instructions[i].DstReg.File == PROGRAM_OUTPUT) {
shader_error(ctx, prog,
"Variable indexing of FS outputs unsupported\n");
return GL_FALSE;
}
if (target == GL_FRAGMENT_PROGRAM_ARB) {
if ((prog->Instructions[i].DstReg.RelAddr &&
prog->Instructions[i].DstReg.File == PROGRAM_TEMPORARY) ||
(prog->Instructions[i].SrcReg[0].RelAddr &&
prog->Instructions[i].SrcReg[0].File == PROGRAM_TEMPORARY) ||
(prog->Instructions[i].SrcReg[1].RelAddr &&
prog->Instructions[i].SrcReg[1].File == PROGRAM_TEMPORARY) ||
(prog->Instructions[i].SrcReg[2].RelAddr &&
prog->Instructions[i].SrcReg[2].File == PROGRAM_TEMPORARY)) {
shader_error(ctx, prog,
"Variable indexing of variable arrays in the FS "
"unsupported\n");
return GL_FALSE;
}
}
}
return GL_TRUE;
}