diff options
Diffstat (limited to 'src/radeon_exa_shared.c')
| -rw-r--r-- | src/radeon_exa_shared.c | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/src/radeon_exa_shared.c b/src/radeon_exa_shared.c index 5ba0b67f..94ebe355 100644 --- a/src/radeon_exa_shared.c +++ b/src/radeon_exa_shared.c @@ -76,6 +76,56 @@ void RADEONVlineHelperSet(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2) accel_state->vline_y2 = y2; } +Bool RADEONValidPM(uint32_t pm, int bpp) +{ + uint8_t r, g, b, a; + Bool ret = FALSE; + + switch (bpp) { + case 8: + a = pm & 0xff; + if ((a == 0) || (a == 0xff)) + ret = TRUE; + break; + case 16: + r = (pm >> 11) & 0x1f; + g = (pm >> 5) & 0x3f; + b = (pm >> 0) & 0x1f; + if (((r == 0) || (r == 0x1f)) && + ((g == 0) || (g == 0x3f)) && + ((b == 0) || (b == 0x1f))) + ret = TRUE; + break; + case 32: + a = (pm >> 24) & 0xff; + r = (pm >> 16) & 0xff; + g = (pm >> 8) & 0xff; + b = (pm >> 0) & 0xff; + if (((a == 0) || (a == 0xff)) && + ((r == 0) || (r == 0xff)) && + ((g == 0) || (g == 0xff)) && + ((b == 0) || (b == 0xff))) + ret = TRUE; + break; + default: + break; + } + return ret; +} + +Bool RADEONCheckBPP(int bpp) +{ + switch (bpp) { + case 8: + case 16: + case 32: + return TRUE; + default: + break; + } + return FALSE; +} + static Bool radeon_vb_get(ScrnInfoPtr pScrn) { RADEONInfoPtr info = RADEONPTR(pScrn); @@ -133,7 +183,7 @@ void radeon_vb_no_space(ScrnInfoPtr pScrn, int vert_size) accel_state->finish_op(pScrn, vert_size); accel_state->ib_reset_op = info->cs->cdw; } - + /* release the current VBO */ radeon_vbo_put(pScrn); } @@ -180,5 +230,5 @@ void radeon_ib_discard(ScrnInfoPtr pScrn) info->accel_state->XInited3D = FALSE; info->accel_state->engineMode = EXA_ENGINEMODE_UNKNOWN; } - + } |