diff options
Diffstat (limited to 'mesalib/src')
| -rw-r--r-- | mesalib/src/mapi/glapi/gen/gl_x86_asm.py | 2 | ||||
| -rw-r--r-- | mesalib/src/mapi/glapi/glapi_x86.S | 2 | ||||
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c | 22 |
3 files changed, 20 insertions, 6 deletions
diff --git a/mesalib/src/mapi/glapi/gen/gl_x86_asm.py b/mesalib/src/mapi/glapi/gen/gl_x86_asm.py index 324e13b79..ede034e58 100644 --- a/mesalib/src/mapi/glapi/gen/gl_x86_asm.py +++ b/mesalib/src/mapi/glapi/gen/gl_x86_asm.py @@ -73,7 +73,7 @@ class PrintGenericStubs(gl_XML.gl_print_base): print '#define GL_OFFSET(x) CODEPTR(REGOFF(4 * x, EAX))'
print ''
print '#if defined(GNU_ASSEMBLER) && !defined(__DJGPP__) && !defined(__MINGW32__) && !defined(__APPLE__)'
- print '#define GLOBL_FN(x) GLOBL x ; .type x, function'
+ print '#define GLOBL_FN(x) GLOBL x ; .type x, @function'
print '#else'
print '#define GLOBL_FN(x) GLOBL x'
print '#endif'
diff --git a/mesalib/src/mapi/glapi/glapi_x86.S b/mesalib/src/mapi/glapi/glapi_x86.S index 78e1ea668..6246e660f 100644 --- a/mesalib/src/mapi/glapi/glapi_x86.S +++ b/mesalib/src/mapi/glapi/glapi_x86.S @@ -46,7 +46,7 @@ #define GL_OFFSET(x) CODEPTR(REGOFF(4 * x, EAX))
#if defined(GNU_ASSEMBLER) && !defined(__DJGPP__) && !defined(__MINGW32__) && !defined(__APPLE__)
-#define GLOBL_FN(x) GLOBL x ; .type x, function
+#define GLOBL_FN(x) GLOBL x ; .type x, @function
#else
#define GLOBL_FN(x) GLOBL x
#endif
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c index b24729440..87c69e4dd 100644 --- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -751,10 +751,12 @@ compile_instruction( /**
* Emit the TGSI instructions to adjust the WPOS pixel center convention
+ * Basically, add (adjX, adjY) to the fragment position.
*/
static void
emit_adjusted_wpos( struct st_translate *t,
- const struct gl_program *program, GLfloat value)
+ const struct gl_program *program,
+ GLfloat adjX, GLfloat adjY)
{
struct ureg_program *ureg = t->ureg;
struct ureg_dst wpos_temp = ureg_DECL_temporary(ureg);
@@ -764,7 +766,7 @@ emit_adjusted_wpos( struct st_translate *t, * The shader might also use gl_FragCoord.w and .z.
*/
ureg_ADD(ureg, wpos_temp, wpos_input,
- ureg_imm4f(ureg, value, value, 0.0f, 0.0f));
+ ureg_imm4f(ureg, adjX, adjY, 0.0f, 0.0f));
t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp);
}
@@ -848,9 +850,12 @@ emit_wpos(struct st_context *st, boolean invert = FALSE;
if (fp->OriginUpperLeft) {
+ /* Fragment shader wants origin in upper-left */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) {
+ /* the driver supports upper-left origin */
}
else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) {
+ /* the driver supports lower-left origin, need to invert Y */
ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT);
invert = TRUE;
}
@@ -858,28 +863,37 @@ emit_wpos(struct st_context *st, assert(0);
}
else {
+ /* Fragment shader wants origin in lower-left */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT))
+ /* the driver supports lower-left origin */
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))
+ /* the driver supports upper-left origin, need to invert Y */
invert = TRUE;
else
assert(0);
}
if (fp->PixelCenterInteger) {
+ /* Fragment shader wants pixel center integer */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER))
+ /* the driver supports 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);
+ /* the driver supports pixel center half integer, need to bias X,Y */
+ emit_adjusted_wpos(t, program, 0.5f, invert ? 0.5f : -0.5f);
else
assert(0);
}
else {
+ /* Fragment shader wants pixel center half integer */
if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) {
+ /* the driver supports pixel center half integer */
}
else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) {
+ /* the driver supports pixel center integer, need to bias X,Y */
ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER);
- emit_adjusted_wpos(t, program, invert ? -0.5f : 0.5f);
+ emit_adjusted_wpos(t, program, 0.5f, invert ? -0.5f : 0.5f);
}
else
assert(0);
|