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Diffstat (limited to 'src/mesa/state_tracker/st_mesa_to_tgsi.c')
-rw-r--r--src/mesa/state_tracker/st_mesa_to_tgsi.c119
1 files changed, 68 insertions, 51 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 807d21a7197..e8eb9ec3904 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -181,6 +181,7 @@ src_register( struct st_translate *t,
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:
@@ -197,9 +198,11 @@ src_register( struct st_translate *t,
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:
@@ -739,6 +742,65 @@ emit_inverted_wpos( struct st_translate *t,
/**
+ * 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.
* This function converts the TGSI value to the GL value. Simply clamping/
@@ -831,7 +893,6 @@ st_translate_mesa_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++) {
if (program->InputFlags[0] & PROG_PARAM_BIT_CYL_WRAP) {
t->inputs[i] = ureg_DECL_fs_input_cyl(ureg,
@@ -852,51 +913,7 @@ st_translate_mesa_program(
/* 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) {
@@ -943,8 +960,9 @@ st_translate_mesa_program(
* do this before emitting the constant decls below, or this
* will be missed:
*/
- unsigned pointSizeClampConst = _mesa_add_state_reference(program->Parameters,
- pointSizeClampState);
+ 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];
@@ -963,12 +981,10 @@ st_translate_mesa_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) {
@@ -1023,7 +1039,8 @@ st_translate_mesa_program(
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_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),
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 08:53:54 +0000