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Add fragment shader execute entry.

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This commit is contained in:
Michal Krol 2006-02-15 11:12:47 +00:00
parent 50092f8f33
commit 88d994c3b2
1 changed files with 109 additions and 8 deletions
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117
src/mesa/shader/shaderobjects_3dlabs.c
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@ -1051,7 +1051,7 @@ _mesa_3dlabs_create_program_object (void)
static GLubyte *get_address_of (struct gl2_vertex_shader_intf **vs, const char *name)
{
struct gl2_vertex_shader_impl *impl = (struct gl2_vertex_shader_impl *) vs;
struct gl2_vertex_shader_impl *impl;
slang_translation_unit *unit;
slang_atom atom;
slang_variable *var;
@ -1065,6 +1065,22 @@ static GLubyte *get_address_of (struct gl2_vertex_shader_intf **vs, const char *
return (GLubyte *) unit->machine->mem + var->address;
}
static GLubyte *get_address_of_f (struct gl2_fragment_shader_intf **fs, const char *name)
{
struct gl2_fragment_shader_impl *impl;
slang_translation_unit *unit;
slang_atom atom;
slang_variable *var;
impl = (struct gl2_fragment_shader_impl *) fs;
unit = &impl->_obj._shader.unit;
atom = slang_atom_pool_atom (unit->atom_pool, name);
var = _slang_locate_variable (&unit->globals, atom, 1);
if (var == NULL || var->address == ~0)
return NULL;
return (GLubyte *) unit->machine->mem + var->address;
}
static int fetch_mem (struct gl2_vertex_shader_intf **vs, const char *name, GLvoid *val,
GLuint size, GLuint index, int write)
{
@ -1080,6 +1096,21 @@ static int fetch_mem (struct gl2_vertex_shader_intf **vs, const char *name, GLvo
return 1;
}
static int fetch_mem_f (struct gl2_fragment_shader_intf **fs, const char *name, GLvoid *val,
GLuint size, GLuint index, int write)
{
GLubyte *data;
data = get_address_of_f (fs, name) + index * size;
if (data == NULL)
return 0;
if (write)
_mesa_memcpy (data, val, size);
else
_mesa_memcpy (val, data, size);
return 1;
}
int _slang_fetch_float (struct gl2_vertex_shader_intf **vs, const char *name, GLfloat *val, int write)
{
return fetch_mem (vs, name, val, 4, 0, write);
@ -1096,20 +1127,38 @@ int _slang_fetch_vec4 (struct gl2_vertex_shader_intf **vs, const char *name, GLf
return fetch_mem (vs, name, val, 16, index, write);
}
int _slang_fetch_vec4_f (struct gl2_fragment_shader_intf **fs, const char *name, GLfloat *val,
GLuint index, int write)
{
return fetch_mem_f (fs, name, val, 16, index, write);
}
int _slang_fetch_mat3 (struct gl2_vertex_shader_intf **vs, const char *name, GLfloat *val,
GLuint index, int write)
{
return fetch_mem (vs, name, val, 36, index, write);
}
int _slang_fetch_mat4 (struct gl2_vertex_shader_intf **vs, const char *name, GLfloat *val,
GLuint index, int write)
{
return fetch_mem (vs, name, val, 64, index, write);
}
/* XXX */
int _slang_call_function (slang_assembly_file *file, slang_function *fun, slang_operation *params,
unsigned int param_count, int assignment, slang_assembly_name_space *space,
slang_assembly_local_info *info, struct slang_machine_ *pmach, slang_atom_pool *);
int _slang_fetch_discard (struct gl2_fragment_shader_intf **fs, GLboolean *val)
{
struct gl2_fragment_shader_impl *impl;
slang_translation_unit *unit;
impl = (struct gl2_fragment_shader_impl *) fs;
unit = &impl->_obj._shader.unit;
*val = unit->machine->kill ? GL_TRUE : GL_FALSE;
return 1;
}
void exec_vertex_shader (struct gl2_vertex_shader_intf **vs)
{
struct gl2_vertex_shader_impl *impl = (struct gl2_vertex_shader_impl *) vs;
struct gl2_vertex_shader_impl *impl;
slang_translation_unit *unit;
slang_atom atom;
unsigned int i;
@ -1127,6 +1176,7 @@ void exec_vertex_shader (struct gl2_vertex_shader_intf **vs)
slang_machine mach;
slang_assembly_local_info info;
slang_assembly_name_space space;
slang_assemble_ctx A;
f = &unit->functions.functions[i];
slang_assembly_file_restore_point_save (unit->assembly, &point);
@ -1140,8 +1190,11 @@ void exec_vertex_shader (struct gl2_vertex_shader_intf **vs)
space.funcs = &unit->functions;
space.structs = &unit->structs;
space.vars = &unit->globals;
_slang_call_function (unit->assembly, f, NULL, 0, 0, &space, &info, unit->machine,
unit->atom_pool);
A.file = unit->assembly;
A.mach = unit->machine;
A.atoms = unit->atom_pool;
A.space = space;
_slang_assemble_function_call (&A, f, NULL, 0, GL_FALSE);
slang_assembly_file_push (unit->assembly, slang_asm_exit);
_slang_execute2 (unit->assembly, &mach);
slang_assembly_file_restore_point_load (unit->assembly, &point);
@ -1149,6 +1202,54 @@ void exec_vertex_shader (struct gl2_vertex_shader_intf **vs)
}
}
void exec_fragment_shader (struct gl2_fragment_shader_intf **fs)
{
struct gl2_fragment_shader_impl *impl;
slang_translation_unit *unit;
slang_atom atom;
unsigned int i;
impl = (struct gl2_fragment_shader_impl *) fs;
unit = &impl->_obj._shader.unit;
atom = slang_atom_pool_atom (unit->atom_pool, "main");
for (i = 0; i < unit->functions.num_functions; i++)
if (atom == unit->functions.functions[i].header.a_name)
break;
if (i < unit->functions.num_functions)
{
slang_function *f;
slang_assembly_file_restore_point point;
slang_machine mach;
slang_assembly_local_info info;
slang_assembly_name_space space;
slang_assemble_ctx A;
f = &unit->functions.functions[i];
slang_assembly_file_restore_point_save (unit->assembly, &point);
mach = *unit->machine;
mach.ip = unit->assembly->count;
mach.kill = 0;
info.ret_size = 0;
info.addr_tmp = 0;
info.swizzle_tmp = 4;
slang_assembly_file_push_label (unit->assembly, slang_asm_local_alloc, 20);
slang_assembly_file_push_label (unit->assembly, slang_asm_enter, 20);
space.funcs = &unit->functions;
space.structs = &unit->structs;
space.vars = &unit->globals;
A.file = unit->assembly;
A.mach = unit->machine;
A.atoms = unit->atom_pool;
A.space = space;
_slang_assemble_function_call (&A, f, NULL, 0, GL_FALSE);
slang_assembly_file_push (unit->assembly, slang_asm_exit);
_slang_execute2 (unit->assembly, &mach);
slang_assembly_file_restore_point_load (unit->assembly, &point);
_mesa_memcpy (unit->machine->mem, mach.mem, SLANG_MACHINE_MEMORY_SIZE * sizeof (slang_machine_slot));
unit->machine->kill = mach.kill;
}
}
void
_mesa_init_shaderobjects_3dlabs (GLcontext *ctx)
{