struct ureg_src inputs[PIPE_MAX_SHADER_INPUTS];
struct ureg_dst address[1];
struct ureg_src samplers[PIPE_MAX_SAMPLERS];
+ struct ureg_dst psizregreal;
+ struct ureg_src pointSizeConst;
+ GLint psizoutindex;
+ GLboolean prevInstWrotePsiz;
const GLuint *inputMapping;
const GLuint *outputMapping;
return t->temps[index];
case PROGRAM_OUTPUT:
+ if (index == t->psizoutindex)
+ t->prevInstWrotePsiz = GL_TRUE;
return t->outputs[t->outputMapping[index]];
case PROGRAM_ADDRESS:
ASSERT(index >= 0);
if (ureg_dst_is_undef(t->temps[index]))
t->temps[index] = ureg_DECL_temporary( t->ureg );
+ assert(index < Elements(t->temps));
return ureg_src(t->temps[index]);
case PROGRAM_NAMED_PARAM:
return t->constants[index];
case PROGRAM_INPUT:
+ assert(t->inputMapping[index] < Elements(t->inputs));
return t->inputs[t->inputMapping[index]];
case PROGRAM_OUTPUT:
+ assert(t->outputMapping[index] < Elements(t->outputs));
return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */
case PROGRAM_ADDRESS:
}
+/**
+ * Emit fragment position/ooordinate code.
+ */
+static void
+emit_wpos(struct st_context *st,
+ struct st_translate *t,
+ const struct gl_program *program,
+ struct ureg_program *ureg)
+{
+ const struct gl_fragment_program *fp =
+ (const struct gl_fragment_program *) program;
+ struct pipe_screen *pscreen = st->pipe->screen;
+ boolean invert = FALSE;
+
+ if (fp->OriginUpperLeft) {
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) {
+ }
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) {
+ ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+ invert = TRUE;
+ }
+ else
+ assert(0);
+ }
+ else {
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT))
+ ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT))
+ invert = TRUE;
+ else
+ assert(0);
+ }
+
+ if (fp->PixelCenterInteger) {
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER))
+ ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER))
+ emit_adjusted_wpos(t, program, invert ? 0.5f : -0.5f);
+ else
+ assert(0);
+ }
+ else {
+ if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) {
+ }
+ else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
+ ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
+ emit_adjusted_wpos(t, program, invert ? -0.5f : 0.5f);
+ }
+ else
+ assert(0);
+ }
+
+ /* we invert after adjustment so that we avoid the MOV to temporary,
+ * and reuse the adjustment ADD instead */
+ if (invert)
+ emit_inverted_wpos(t, program);
+}
+
+
/**
* OpenGL's fragment gl_FrontFace input is 1 for front-facing, 0 for back.
* TGSI uses +1 for front, -1 for back.
t->inputMapping = inputMapping;
t->outputMapping = outputMapping;
t->ureg = ureg;
+ t->psizoutindex = -1;
+ t->prevInstWrotePsiz = GL_FALSE;
/*_mesa_print_program(program);*/
* Declare input attributes.
*/
if (procType == TGSI_PROCESSOR_FRAGMENT) {
- struct gl_fragment_program* fp = (struct gl_fragment_program*)program;
for (i = 0; i < numInputs; i++) {
- t->inputs[i] = ureg_DECL_fs_input(ureg,
- inputSemanticName[i],
- inputSemanticIndex[i],
- interpMode[i]);
+ if (program->InputFlags[0] & PROG_PARAM_BIT_CYL_WRAP) {
+ t->inputs[i] = ureg_DECL_fs_input_cyl(ureg,
+ inputSemanticName[i],
+ inputSemanticIndex[i],
+ interpMode[i],
+ TGSI_CYLINDRICAL_WRAP_X);
+ }
+ else {
+ t->inputs[i] = ureg_DECL_fs_input(ureg,
+ inputSemanticName[i],
+ inputSemanticIndex[i],
+ interpMode[i]);
+ }
}
if (program->InputsRead & FRAG_BIT_WPOS) {
/* Must do this after setting up t->inputs, and before
* emitting constant references, below:
*/
- struct pipe_screen* pscreen = st_context(ctx)->pipe->screen;
- boolean invert = FALSE;
-
- if (fp->OriginUpperLeft) {
- if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) {
- }
- else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) {
- ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
- invert = TRUE;
- }
- else
- assert(0);
- }
- else {
- if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT))
- ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
- else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT))
- invert = TRUE;
- else
- assert(0);
- }
-
- if (fp->PixelCenterInteger) {
- if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER))
- ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
- else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER))
- emit_adjusted_wpos(t, program, invert ? 0.5f : -0.5f);
- else
- assert(0);
- }
- else {
- if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) {
- }
- else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
- ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
- emit_adjusted_wpos(t, program, invert ? -0.5f : 0.5f);
- }
- else
- assert(0);
- }
-
- /* we invert after adjustment so that we avoid the MOV to temporary,
- * and reuse the adjustment ADD instead */
- if (invert)
- emit_inverted_wpos(t, program);
+ emit_wpos(st_context(ctx), t, program, ureg);
}
if (program->InputsRead & FRAG_BIT_FACE) {
t->outputs[i] = ureg_DECL_output( ureg,
outputSemanticName[i],
outputSemanticIndex[i] );
+ if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && program->Id) {
+ static const gl_state_index pointSizeClampState[STATE_LENGTH]
+ = { STATE_INTERNAL, STATE_POINT_SIZE_IMPL_CLAMP, 0, 0, 0 };
+ /* XXX: note we are modifying the incoming shader here! Need to
+ * do this before emitting the constant decls below, or this
+ * will be missed:
+ */
+ unsigned pointSizeClampConst =
+ _mesa_add_state_reference(program->Parameters,
+ pointSizeClampState);
+ struct ureg_dst psizregtemp = ureg_DECL_temporary( ureg );
+ t->pointSizeConst = ureg_DECL_constant( ureg, pointSizeClampConst );
+ t->psizregreal = t->outputs[i];
+ t->psizoutindex = i;
+ t->outputs[i] = psizregtemp;
+ }
}
if (passthrough_edgeflags)
emit_edgeflags( t, program );
t->address[0] = ureg_DECL_address( ureg );
}
-
/* Emit constants and immediates. Mesa uses a single index space
* for these, so we put all the translated regs in t->constants.
*/
if (program->Parameters) {
-
t->constants = CALLOC( program->Parameters->NumParameters,
sizeof t->constants[0] );
if (t->constants == NULL) {
for (i = 0; i < program->NumInstructions; i++) {
set_insn_start( t, ureg_get_instruction_number( ureg ));
compile_instruction( t, &program->Instructions[i] );
+
+ /* note can't do that easily at the end of prog due to
+ possible early return */
+ if (t->prevInstWrotePsiz && program->Id) {
+ set_insn_start( t, ureg_get_instruction_number( ureg ));
+ ureg_MAX( t->ureg,
+ ureg_writemask(t->outputs[t->psizoutindex], WRITEMASK_X),
+ ureg_src(t->outputs[t->psizoutindex]),
+ ureg_swizzle(t->pointSizeConst, 1,1,1,1));
+ ureg_MIN( t->ureg, ureg_writemask(t->psizregreal, WRITEMASK_X),
+ ureg_src(t->outputs[t->psizoutindex]),
+ ureg_swizzle(t->pointSizeConst, 2,2,2,2));
+ }
+ t->prevInstWrotePsiz = GL_FALSE;
}
/* Fix up all emitted labels:
/**
- * Tokens cannot be free with _mesa_free otherwise the builtin gallium
+ * Tokens cannot be free with free otherwise the builtin gallium
* malloc debugging will get confused.
*/
void