#include "libegint.h"
#include "../refind/screen.h"
+#include "../refind/lib.h"
#include "../include/refit_call_wrapper.h"
#include <efiUgaDraw.h>
}
}
-// Sets the screen resolution to the specified value, if possible.
-// If the specified value is not valid, displays a warning with the valid
-// modes on UEFI systems, or silently fails on EFI 1.x systems. Note that
-// this function attempts to set ANY screen resolution, even 0x0 or
-// ridiculously large values.
+// Sets the screen resolution to the specified value, if possible. If *ScreenHeight
+// is 0 and GOP mode is detected, assume that *ScreenWidth contains a GOP mode
+// number rather than a horizontal resolution. If the specified resolution is not
+// valid, displays a warning with the valid modes on GOP (UEFI) systems, or silently
+// fails on UGA (EFI 1.x) systems. Note that this function attempts to set ANY screen
+// resolution, even 0x0 or ridiculously large values.
+// Upon success, returns actual screen resolution in *ScreenWidth and *ScreenHeight.
+// These values are unchanged upon failure.
// Returns TRUE if successful, FALSE if not.
-BOOLEAN egSetScreenSize(IN UINTN ScreenWidth, IN UINTN ScreenHeight) {
- EFI_STATUS Status = EFI_SUCCESS;
- EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
- UINT32 ModeNum = 0;
- UINTN Size;
- BOOLEAN ModeSet = FALSE;
- UINT32 UGAWidth, UGAHeight, UGADepth, UGARefreshRate;
+BOOLEAN egSetScreenSize(IN OUT UINTN *ScreenWidth, IN OUT UINTN *ScreenHeight) {
+ EFI_STATUS Status = EFI_SUCCESS;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+ UINT32 ModeNum = 0;
+ UINTN Size;
+ BOOLEAN ModeSet = FALSE;
+ UINT32 UGAWidth, UGAHeight, UGADepth, UGARefreshRate;
if (GraphicsOutput != NULL) { // GOP mode (UEFI)
- // Do a loop through the modes to see if the specified one is available;
- // and if so, switch to it....
- while ((Status == EFI_SUCCESS) && (!ModeSet)) {
+ if (*ScreenHeight == 0) { // User specified a mode number (stored in *ScreenWidth); use it directly
+ ModeNum = (UINT32) *ScreenWidth;
Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, ModeNum, &Size, &Info);
- if ((Status == EFI_SUCCESS) && (Size >= sizeof(*Info)) &&
- (Info->HorizontalResolution == ScreenWidth) && (Info->VerticalResolution == ScreenHeight)) {
+ if (Status == EFI_SUCCESS) {
Status = refit_call2_wrapper(GraphicsOutput->SetMode, GraphicsOutput, ModeNum);
- ModeSet = (Status == EFI_SUCCESS);
- } // if
- ModeNum++;
- } // while()
+ if (Status == EFI_SUCCESS) {
+ ModeSet = TRUE;
+ *ScreenWidth = Info->HorizontalResolution;
+ *ScreenHeight = Info->VerticalResolution;
+ }
+ }
+ } else { // User specified width & height; must find mode
+ // Do a loop through the modes to see if the specified one is available;
+ // and if so, switch to it....
+ while ((Status == EFI_SUCCESS) && (!ModeSet)) {
+ Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, ModeNum, &Size, &Info);
+ if ((Status == EFI_SUCCESS) && (Size >= sizeof(*Info)) &&
+ (Info->HorizontalResolution == *ScreenWidth) && (Info->VerticalResolution == *ScreenHeight)) {
+ Status = refit_call2_wrapper(GraphicsOutput->SetMode, GraphicsOutput, ModeNum);
+ ModeSet = (Status == EFI_SUCCESS);
+ } // if
+ ModeNum++;
+ } // while()
+ } // if/else
if (ModeSet) {
- egScreenWidth = ScreenWidth;
- egScreenHeight = ScreenHeight;
+ egScreenWidth = *ScreenWidth;
+ egScreenHeight = *ScreenHeight;
} else {// If unsuccessful, display an error message for the user....
- Print(L"Error setting mode %d x %d; using default mode!\nAvailable modes are:\n", ScreenWidth, ScreenHeight);
+ SwitchToText(FALSE);
+ Print(L"Error setting graphics mode %d x %d; using default mode!\nAvailable modes are:\n", *ScreenWidth, *ScreenHeight);
ModeNum = 0;
- Status = EFI_SUCCESS;
- while (Status == EFI_SUCCESS) {
+ do {
Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, ModeNum, &Size, &Info);
- if ((Status == EFI_SUCCESS) && (Size >= sizeof(*Info))) {
+ if ((Status == EFI_SUCCESS) && (Info != NULL)) {
Print(L"Mode %d: %d x %d\n", ModeNum, Info->HorizontalResolution, Info->VerticalResolution);
} // else
- ModeNum++;
- } // while()
+ } while ((ModeNum++ < 10) || (Status == EFI_SUCCESS));
+// Status = EFI_SUCCESS;
+// while (Status == EFI_SUCCESS) {
+// Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, ModeNum, &Size, &Info);
+// if ((Status == EFI_SUCCESS) && (Size >= sizeof(*Info))) {
+// Print(L"Mode %d: %d x %d\n", ModeNum, Info->HorizontalResolution, Info->VerticalResolution);
+// } // else
+// ModeNum++;
+// } // while()
PauseForKey();
+ SwitchToGraphics();
} // if()
} else if (UgaDraw != NULL) { // UGA mode (EFI 1.x)
// Try to use current color depth & refresh rate for new mode. Maybe not the best choice
// in all cases, but I don't know how to probe for alternatives....
Status = refit_call5_wrapper(UgaDraw->GetMode, UgaDraw, &UGAWidth, &UGAHeight, &UGADepth, &UGARefreshRate);
- Status = refit_call5_wrapper(UgaDraw->SetMode, UgaDraw, ScreenWidth, ScreenHeight, UGADepth, UGARefreshRate);
+ Status = refit_call5_wrapper(UgaDraw->SetMode, UgaDraw, *ScreenWidth, *ScreenHeight, UGADepth, UGARefreshRate);
if (Status == EFI_SUCCESS) {
- egScreenWidth = ScreenWidth;
- egScreenHeight = ScreenHeight;
+ egScreenWidth = *ScreenWidth;
+ egScreenHeight = *ScreenHeight;
ModeSet = TRUE;
} else {
// TODO: Find a list of supported modes and display it.
// NOTE: Below doesn't actually appear unless we explicitly switch to text mode.
// This is just a placeholder until something better can be done....
- Print(L"Error setting mode %d x %d; unsupported mode!\n");
+ Print(L"Error setting graphics mode %d x %d; unsupported mode!\n");
} // if/else
} // if/else if
return (ModeSet);
*ScreenHeight = egScreenHeight;
}
+// Set a text mode
+// Returns the mode that was actually set.
+UINT32 egSetTextMode(UINT32 RequestedMode) {
+ UINTN i = 0, Width, Height;
+ UINT32 UsedMode = ST->ConOut->Mode->Mode;
+ EFI_STATUS Status;
+
+ if (RequestedMode != ST->ConOut->Mode->Mode) {
+ Status = refit_call2_wrapper(ST->ConOut->SetMode, ST->ConOut, RequestedMode);
+ if (Status == EFI_SUCCESS) {
+ UsedMode = RequestedMode;
+ } else {
+ SwitchToText(FALSE);
+ Print(L"Error setting text mode %d; available modes are:\n", RequestedMode);
+ do {
+ Status = refit_call4_wrapper(ST->ConOut->QueryMode, ST->ConOut, i, &Width, &Height);
+ if (Status == EFI_SUCCESS)
+ Print(L"Mode: %d: %d x %d\n", i, Width, Height);
+ } while ((i++ < 2) || (Status == EFI_SUCCESS));
+
+ PauseForKey();
+ SwitchToGraphics();
+ } // if/else successful change
+ } // if need to change mode
+ return UsedMode;
+} // UINT32 egSetTextMode()
+
CHAR16 * egScreenDescription(VOID)
{
- CHAR16 *Temp;
+ CHAR16 *GraphicsInfo, *TextInfo = NULL;
+
+ GraphicsInfo = AllocateZeroPool(256 * sizeof(CHAR16));
+ if (GraphicsInfo == NULL)
+ return L"memory allocation error";
if (egHasGraphics) {
if (GraphicsOutput != NULL) {
- Temp = AllocateZeroPool(256 * sizeof(CHAR16));
- SPrint(Temp, 255, L"Graphics Output (UEFI), %dx%d", egScreenWidth, egScreenHeight);
- return Temp;
+ SPrint(GraphicsInfo, 255, L"Graphics Output (UEFI), %dx%d", egScreenWidth, egScreenHeight);
} else if (UgaDraw != NULL) {
- Temp = AllocateZeroPool(256 * sizeof(CHAR16));
- SPrint(Temp, 255, L"UGA Draw (EFI 1.10), %dx%d", egScreenWidth, egScreenHeight);
- return Temp;
+ GraphicsInfo = AllocateZeroPool(256 * sizeof(CHAR16));
+ SPrint(GraphicsInfo, 255, L"UGA Draw (EFI 1.10), %dx%d", egScreenWidth, egScreenHeight);
} else {
+ MyFreePool(GraphicsInfo);
+ MyFreePool(TextInfo);
return L"Internal Error";
}
+ if (!AllowGraphicsMode) { // graphics-capable HW, but in text mode
+ TextInfo = AllocateZeroPool(256 * sizeof(CHAR16));
+ SPrint(TextInfo, 255, L"(in %dx%d text mode)", ConWidth, ConHeight);
+ MergeStrings(&GraphicsInfo, TextInfo, L' ');
+ }
} else {
- return L"Text Console";
+ SPrint(GraphicsInfo, 255, L"Text-foo console, %dx%d", ConWidth, ConHeight);
}
+ MyFreePool(TextInfo);
+ return GraphicsInfo;
}
BOOLEAN egHasGraphicsMode(VOID)