#include "st_debug.h"
#include "st_context.h"
-#include "st_atom.h"
#include "st_program.h"
#include "st_mesa_to_tgsi.h"
#include "cso_cache/cso_context.h"
if (stvp->Base.IsPositionInvariant)
_mesa_insert_mvp_code(st->ctx, &stvp->Base);
+ assert(stvp->Base.Base.NumInstructions > 1);
+
/*
* Determine number of inputs, the mappings between VERT_ATTRIB_x
* and TGSI generic input indexes, plus input attrib semantic info.
stvp->num_inputs++;
}
}
+ /* bit of a hack, presetup potentially unused edgeflag input */
+ stvp->input_to_index[VERT_ATTRIB_EDGEFLAG] = stvp->num_inputs;
+ stvp->index_to_input[stvp->num_inputs] = VERT_ATTRIB_EDGEFLAG;
/* Compute mapping of vertex program outputs to slots.
*/
}
}
}
+ /* similar hack to above, presetup potentially unused edgeflag output */
+ stvp->result_to_output[VERT_RESULT_EDGE] = stvp->num_outputs;
+ stvp->output_semantic_name[stvp->num_outputs] = TGSI_SEMANTIC_EDGEFLAG;
+ stvp->output_semantic_index[stvp->num_outputs] = 0;
}
struct st_vp_varient *vpv = CALLOC_STRUCT(st_vp_varient);
struct pipe_context *pipe = st->pipe;
struct ureg_program *ureg;
+ enum pipe_error error;
+ unsigned num_outputs;
ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
if (ureg == NULL)
return NULL;
+ vpv->num_inputs = stvp->num_inputs;
+ num_outputs = stvp->num_outputs;
+ if (key->passthrough_edgeflags) {
+ vpv->num_inputs++;
+ num_outputs++;
+ }
+
error =
st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_VERTEX,
ureg,
&stvp->Base.Base,
/* inputs */
- stvp->num_inputs,
+ vpv->num_inputs,
stvp->input_to_index,
NULL, /* input semantic name */
NULL, /* input semantic index */
NULL,
/* outputs */
- stvp->num_outputs,
+ num_outputs,
stvp->result_to_output,
stvp->output_semantic_name,
- stvp->output_semantic_index );
+ stvp->output_semantic_index,
+ key->passthrough_edgeflags );
- if (ret)
+ if (error)
goto fail;
- /* Edgeflags will be the last input:
- */
- if (key.passthrough_edgeflags) {
- ureg_MOV( ureg,
- ureg_DECL_output( ureg, TGSI_SEMANTIC_EDGEFLAG, 0 ),
- ureg_DECL_next_vs_input(ureg));
- }
+ vpv->state.tokens = ureg_get_tokens( ureg, NULL );
+ if (!vpv->state.tokens)
+ goto fail;
- tokens = ureg_get_tokens( ureg, NULL );
ureg_destroy( ureg );
vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->state);
return vpv;
fail:
+ debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__);
+ _mesa_print_program(&stvp->Base.Base);
+ debug_assert(0);
+
ureg_destroy( ureg );
return NULL;
}
/**
* Translate a Mesa fragment shader into a TGSI shader.
- * \param inputMapping to map fragment program input registers to TGSI
- * input slots
* \return pointer to cached pipe_shader object.
*/
void
st_translate_fragment_program(struct st_context *st,
- struct st_fragment_program *stfp,
- const GLuint inputMapping[])
+ struct st_fragment_program *stfp )
{
struct pipe_context *pipe = st->pipe;
GLuint outputMapping[FRAG_RESULT_MAX];
- GLuint defaultInputMapping[FRAG_ATTRIB_MAX];
+ GLuint inputMapping[FRAG_ATTRIB_MAX];
GLuint interpMode[16]; /* XXX size? */
GLuint attr;
+ enum pipe_error error;
const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
struct ureg_program *ureg;
- GLuint vslot = 0;
uint fs_num_inputs = 0;
ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
uint fs_num_outputs = 0;
- /* which vertex output goes to the first fragment input: */
- if (inputsRead & FRAG_BIT_WPOS)
- vslot = 0;
- else
- vslot = 1;
-
/*
* Convert Mesa program inputs to TGSI input register semantics.
*/
for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
if (inputsRead & (1 << attr)) {
- const GLuint slot = fs_num_inputs;
-
- defaultInputMapping[attr] = slot;
+ const GLuint slot = fs_num_inputs++;
- stfp->input_map[slot] = vslot++;
-
- fs_num_inputs++;
+ inputMapping[attr] = slot;
switch (attr) {
case FRAG_ATTRIB_WPOS:
stfp->input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
+ case FRAG_ATTRIB_PNTC:
+ /* This is a hack. We really need a new semantic label for
+ * point coord. The draw module needs to know which fragment
+ * shader input is the point coord attribute so that it can set
+ * up the right vertex attribute values.
+ */
+ stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ stfp->input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
/* In most cases, there is nothing special about these
* inputs, so adopt a convention to use the generic
case FRAG_ATTRIB_TEX5:
case FRAG_ATTRIB_TEX6:
case FRAG_ATTRIB_TEX7:
- case FRAG_ATTRIB_PNTC:
case FRAG_ATTRIB_VAR0:
default:
/* Actually, let's try and zero-base this just for
break;
}
}
+ else {
+ inputMapping[attr] = -1;
+ }
}
/*
}
}
- if (!inputMapping)
- inputMapping = defaultInputMapping;
-
ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
if (ureg == NULL)
- return NULL;
+ return;
- stfp->state.tokens =
+ error =
st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_FRAGMENT,
+ ureg,
&stfp->Base.Base,
/* inputs */
fs_num_inputs,
fs_num_outputs,
outputMapping,
fs_output_semantic_name,
- fs_output_semantic_index );
+ fs_output_semantic_index, FALSE );
+ stfp->state.tokens = ureg_get_tokens( ureg, NULL );
+ ureg_destroy( ureg );
stfp->driver_shader = pipe->create_fs_state(pipe, &stfp->state);
if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) {
projects / mesa.git / blobdiff