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sorted modelist for panel native modes

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7358 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-05-03 07:23:04 +00:00
parent b9523fa3ef
commit 682c6e4a07
1 changed files with 101 additions and 57 deletions
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158
src/add-ons/accelerants/nvidia/ProposeDisplayMode.c
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@ -11,6 +11,9 @@
#include "acc_std.h"
static void add_panel1_mode(display_mode p2, display_mode** dst);
static void add_panel2_mode(display_mode p2, display_mode** dst);
#define T_POSITIVE_SYNC (B_POSITIVE_HSYNC | B_POSITIVE_VSYNC)
/* mode flags will be setup as status info by PROPOSEMODE! */
#define MODE_FLAGS 0
@ -416,7 +419,8 @@ status_t GET_MODE_LIST(display_mode *dm)
}
/* Create a list of display_modes to pass back to the caller.*/
status_t create_mode_list(void) {
status_t create_mode_list(void)
{
size_t max_size;
uint32
i, j,
@ -447,7 +451,32 @@ status_t create_mode_list(void) {
src = mode_list;
dst = my_mode_list;
si->mode_count = 0;
for (i = 0; i < MODE_COUNT; i++) {
for (i = 0; i < MODE_COUNT; i++)
{
/* add flatpanel 1 native mode if it's found and when it's time */
if (pan1 && !pan1_added)
{
/* place panel mode before same H-res mode from src list in dst list so
* widescreen panels are listed in order of total resolution (HxV) */
if (src->timing.h_display >= p1.timing.h_display)
{
add_panel1_mode(p1, &dst);
pan1_added = true;
}
}
/* add flatpanel 2 native mode if it's found and when it's time */
if (pan2 && !pan2_added)
{
/* place panel mode before same H-res mode from src list in dst list so
* widescreen panels are listed in order of total resolution (HxV) */
if (src->timing.h_display >= p2.timing.h_display)
{
add_panel2_mode(p2, &dst);
pan2_added = true;
}
}
/* set ranges for acceptable values */
low = high = *src;
/* range is 6.25% of default clock: arbitrarily picked */
@ -482,68 +511,83 @@ status_t create_mode_list(void) {
/* advance to next mode */
src++;
/* add flatpanel 1 native mode if it's found and when it's time */
if (pan1 && !pan1_added && (i < (MODE_COUNT - 1)))
/* (sort and) add flatpanel native mode(s) that are not added while we did
* reach the end of the src list */
if (i == (MODE_COUNT - 1))
{
if (src->timing.h_display > p1.timing.h_display)
if (pan1 && pan2 && !pan1_added && !pan2_added)
{
/* set ranges for acceptable values */
low = high = p1;
/* range is 6.25% of default clock: arbitrarily picked */
pix_clk_range = low.timing.pixel_clock >> 5;
low.timing.pixel_clock -= pix_clk_range;
high.timing.pixel_clock += pix_clk_range;
/* do it once for each depth we want to support */
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++)
/* sort in total resolution order */
if ((p2.timing.h_display * p2.timing.v_display) <
(p1.timing.h_display * p1.timing.v_display))
{
/* set target values */
*dst = p1;
/* poke the specific space */
dst->space = low.space = high.space = spaces[j];
/* ask for a compatible mode */
if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK)
{
/* count it, and move on to next mode */
dst++;
si->mode_count++;
}
display_mode temp = p1;
p1 = p2;
p2 = temp;
}
/* panel1 modeline has been added */
pan1_added = true;
}
}
/* add flatpanel 2 native mode if it's found and when it's time */
if (pan2 && !pan2_added && (i < (MODE_COUNT - 1)))
{
if (src->timing.h_display > p2.timing.h_display)
{
/* set ranges for acceptable values */
low = high = p2;
/* range is 6.25% of default clock: arbitrarily picked */
pix_clk_range = low.timing.pixel_clock >> 5;
low.timing.pixel_clock -= pix_clk_range;
high.timing.pixel_clock += pix_clk_range;
/* do it once for each depth we want to support */
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++)
{
/* set target values */
*dst = p2;
/* poke the specific space */
dst->space = low.space = high.space = spaces[j];
/* ask for a compatible mode */
if (PROPOSE_DISPLAY_MODE(dst, &low, &high) == B_OK)
{
/* count it, and move on to next mode */
dst++;
si->mode_count++;
}
}
/* panel2 modeline has been added */
pan2_added = true;
}
if (pan1 && !pan1_added) add_panel1_mode(p1, &dst);
if (pan2 && !pan2_added) add_panel2_mode(p2, &dst);
}
}
return B_OK;
}
static void add_panel1_mode(display_mode p1, display_mode** dst)
{
uint32 j, pix_clk_range;
display_mode low, high;
color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8};
/* set ranges for acceptable values */
low = high = p1;
/* range is 6.25% of default clock: arbitrarily picked */
pix_clk_range = low.timing.pixel_clock >> 5;
low.timing.pixel_clock -= pix_clk_range;
high.timing.pixel_clock += pix_clk_range;
/* do it once for each depth we want to support */
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++)
{
/* set target values */
**dst = p1;
/* poke the specific space */
(*dst)->space = low.space = high.space = spaces[j];
/* ask for a compatible mode */
if (PROPOSE_DISPLAY_MODE(*dst, &low, &high) == B_OK)
{
/* count it, and move on to next mode */
(*dst)++;
si->mode_count++;
}
}
}
static void add_panel2_mode(display_mode p2, display_mode** dst)
{
uint32 j, pix_clk_range;
display_mode low, high;
color_space spaces[4] = {B_RGB32_LITTLE,B_RGB16_LITTLE,B_RGB15_LITTLE,B_CMAP8};
/* set ranges for acceptable values */
low = high = p2;
/* range is 6.25% of default clock: arbitrarily picked */
pix_clk_range = low.timing.pixel_clock >> 5;
low.timing.pixel_clock -= pix_clk_range;
high.timing.pixel_clock += pix_clk_range;
/* do it once for each depth we want to support */
for (j = 0; j < (sizeof(spaces) / sizeof(color_space)); j++)
{
/* set target values */
**dst = p2;
/* poke the specific space */
(*dst)->space = low.space = high.space = spaces[j];
/* ask for a compatible mode */
if (PROPOSE_DISPLAY_MODE(*dst, &low, &high) == B_OK)
{
/* count it, and move on to next mode */
(*dst)++;
si->mode_count++;
}
}
}