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Begin added vertex shader state/support.

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Renamed pipe_fs_state to pipe_shader_state since it can be used for both
vertex and fragment shader info.
This commit is contained in:
Brian
2007-08-16 13:33:43 -06:00
parent ebe5107669
commit de653b4c9b
12 changed files with 111 additions and 17 deletions
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83
src/mesa/state_tracker/st_atom_fs.c
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@@ -39,6 +39,11 @@
#define TGSI_DEBUG 0
/**
** Fragment programs
**/
static void compile_fs( struct st_context *st,
struct st_fragment_program *fs )
{
@@ -53,7 +58,7 @@ static void compile_fs( struct st_context *st,
static void update_fs( struct st_context *st )
{
struct pipe_fs_state fs;
struct pipe_shader_state fs;
struct st_fragment_program *fp = NULL;
struct gl_program_parameter_list *params = NULL;
@@ -103,3 +108,79 @@ const struct st_tracked_state st_update_fs = {
},
.update = update_fs
};
/**
** Vertex programs
**/
static void compile_vs( struct st_context *st,
struct st_vertex_program *vs )
{
/* XXX: fix static allocation of tokens:
*/
tgsi_mesa_compile_vp_program( &vs->Base, vs->tokens, ST_FP_MAX_TOKENS );
if (TGSI_DEBUG)
tgsi_dump( vs->tokens, TGSI_DUMP_VERBOSE );
}
static void update_vs( struct st_context *st )
{
struct pipe_shader_state vs;
struct st_vertex_program *vp = NULL;
struct gl_program_parameter_list *params = NULL;
if (st->ctx->Shader.CurrentProgram &&
st->ctx->Shader.CurrentProgram->LinkStatus &&
st->ctx->Shader.CurrentProgram->VertexProgram) {
struct gl_vertex_program *f
= st->ctx->Shader.CurrentProgram->VertexProgram;
vp = st_vertex_program(f);
params = f->Base.Parameters;
}
else if (st->ctx->VertexProgram._Current) {
vp = st_vertex_program(st->ctx->VertexProgram._Current);
params = st->ctx->VertexProgram._Current->Base.Parameters;
}
/* XXXX temp */
if (!vp)
return;
if (vp && params) {
/* load program's constants array */
vp->constants.nr_constants = params->NumParameters;
memcpy(vp->constants.constant,
params->ParameterValues,
params->NumParameters * sizeof(GLfloat) * 4);
}
if (vp->dirty)
compile_vs( st, vp );
memset( &vs, 0, sizeof(vs) );
vs.inputs_read = vp->Base.Base.InputsRead;
vs.tokens = &vp->tokens[0];
vs.constants = &vp->constants;
if (memcmp(&vs, &st->state.vs, sizeof(vs)) != 0 ||
vp->dirty)
{
vp->dirty = 0;
st->state.vs = vs;
st->pipe->set_vs_state(st->pipe, &vs);
}
}
const struct st_tracked_state st_update_vs = {
.dirty = {
.mesa = _NEW_PROGRAM,
.st = ST_NEW_VERTEX_PROGRAM,
},
.update = update_vs
};