* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+/*
+ * Modifications copyright (c) 2012 Roderick W. Smith
+ *
+ * Modifications distributed under the terms of the GNU General Public
+ * License (GPL) version 3 (GPLv3), a copy of which must be distributed
+ * with this source code or binaries made from it.
+ *
+ */
#include "libegint.h"
#include "../refind/screen.h"
// Screen handling
//
-VOID egInitScreen(VOID)
-{
+static VOID egDetermineScreenSize(VOID) {
EFI_STATUS Status = EFI_SUCCESS;
UINT32 UGAWidth, UGAHeight, UGADepth, UGARefreshRate;
- // get protocols
- Status = LibLocateProtocol(&ConsoleControlProtocolGuid, (VOID **) &ConsoleControl);
- if (EFI_ERROR(Status))
- ConsoleControl = NULL;
-
- Status = LibLocateProtocol(&UgaDrawProtocolGuid, (VOID **) &UgaDraw);
- if (EFI_ERROR(Status))
- UgaDraw = NULL;
-
- Status = LibLocateProtocol(&GraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
- if (EFI_ERROR(Status))
- GraphicsOutput = NULL;
-
// get screen size
egHasGraphics = FALSE;
if (GraphicsOutput != NULL) {
}
}
+VOID egInitScreen(VOID)
+{
+ EFI_STATUS Status = EFI_SUCCESS;
+
+ // get protocols
+ Status = LibLocateProtocol(&ConsoleControlProtocolGuid, (VOID **) &ConsoleControl);
+ if (EFI_ERROR(Status))
+ ConsoleControl = NULL;
+
+ Status = LibLocateProtocol(&UgaDrawProtocolGuid, (VOID **) &UgaDraw);
+ if (EFI_ERROR(Status))
+ UgaDraw = NULL;
+
+ Status = LibLocateProtocol(&GraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
+ if (EFI_ERROR(Status))
+ GraphicsOutput = NULL;
+
+ egDetermineScreenSize();
+}
+
// 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
if (GraphicsOutput != NULL) { // GOP mode (UEFI)
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) {
- Status = refit_call2_wrapper(GraphicsOutput->SetMode, GraphicsOutput, ModeNum);
- 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....
- do {
+// if ((*ScreenWidth == GraphicsOutput->Mode->Mode)) { // user requested current mode; do nothing
+// ModeSet = TRUE;
+// *ScreenWidth = Info->HorizontalResolution;
+// *ScreenHeight = Info->VerticalResolution;
+// } else {
+ 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
- } while (((ModeNum++ < 10) || (Status == EFI_SUCCESS)) && !ModeSet);
-// 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 (Status == EFI_SUCCESS) {
+ ModeSet = TRUE;
+ *ScreenWidth = Info->HorizontalResolution;
+ *ScreenHeight = Info->VerticalResolution;
+ } // if set mode OK
+ } // if queried mode OK
+// } // if/else
+
+ // User specified width & height; must find mode -- but only if change is required....
+ } else {
+ Status = refit_call4_wrapper(GraphicsOutput->QueryMode, GraphicsOutput, GraphicsOutput->Mode->Mode, &Size, &Info);
+// if ((Status == EFI_SUCCESS) && (Info->HorizontalResolution == *ScreenWidth) &&
+// (Info->VerticalResolution == *ScreenHeight) && !AlwaysSet) {
+// ModeSet = TRUE; // user requested current mode; do nothing
+// } else {
+ // Do a loop through the modes to see if the specified one is available;
+ // and if so, switch to it....
+ do {
+ 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
+ } while ((++ModeNum < GraphicsOutput->Mode->MaxMode) && !ModeSet);
+// } // if/else
} // if/else
if (ModeSet) {
if ((Status == EFI_SUCCESS) && (Info != NULL)) {
Print(L"Mode %d: %d x %d\n", ModeNum, Info->HorizontalResolution, Info->VerticalResolution);
} // else
- } 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()
+ } while (++ModeNum < GraphicsOutput->Mode->MaxMode);
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....
VOID egGetScreenSize(OUT UINTN *ScreenWidth, OUT UINTN *ScreenHeight)
{
+ egDetermineScreenSize();
+
if (ScreenWidth != NULL)
*ScreenWidth = egScreenWidth;
if (ScreenHeight != NULL)
*ScreenHeight = egScreenHeight;
}
-// Set a text mode
-// Returns the mode that was actually set.
-UINT32 egSetTextMode(UINT32 RequestedMode) {
+// Set a text mode.
+// Returns TRUE if the mode actually changed, FALSE otherwise.
+// Note that a FALSE return value can mean either an error or no change
+// necessary.
+BOOLEAN egSetTextMode(UINT32 RequestedMode) {
UINTN i = 0, Width, Height;
- UINT32 UsedMode = ST->ConOut->Mode->Mode;
EFI_STATUS Status;
+ BOOLEAN ChangedIt = FALSE;
if (RequestedMode != ST->ConOut->Mode->Mode) {
+// SwitchToGraphics();
Status = refit_call2_wrapper(ST->ConOut->SetMode, ST->ConOut, RequestedMode);
if (Status == EFI_SUCCESS) {
- UsedMode = RequestedMode;
+ ChangedIt = TRUE;
} 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));
+ Print(L"Mode %d: %d x %d\n", i, Width, Height);
+ } while (++i < ST->ConOut->Mode->MaxMode);
PauseForKey();
SwitchToGraphics();
} // if/else successful change
} // if need to change mode
- return UsedMode;
-} // UINT32 egSetTextMode()
+ return ChangedIt;
+} // BOOLEAN egSetTextMode()
CHAR16 * egScreenDescription(VOID)
{
EFI_CONSOLE_CONTROL_SCREEN_MODE CurrentMode;
EFI_CONSOLE_CONTROL_SCREEN_MODE NewMode;
+ egSetTextMode(GlobalConfig.RequestedTextMode);
if (ConsoleControl != NULL) {
refit_call4_wrapper(ConsoleControl->GetMode, ConsoleControl, &CurrentMode, NULL, NULL);
if (!egHasGraphics)
return;
- FillColor.Red = Color->r;
- FillColor.Green = Color->g;
- FillColor.Blue = Color->b;
+ if (Color != NULL) {
+ FillColor.Red = Color->r;
+ FillColor.Green = Color->g;
+ FillColor.Blue = Color->b;
+ } else {
+ FillColor.Red = 0x0;
+ FillColor.Green = 0x0;
+ FillColor.Blue = 0x0;
+ }
FillColor.Reserved = 0;
if (GraphicsOutput != NULL) {
// layout, and the header from TianoCore actually defines them
// to be the same type.
refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)&FillColor, EfiBltVideoFill,
- 0, 0, 0, 0, egScreenWidth, egScreenHeight, 0);
+ 0, 0, 0, 0, egScreenWidth, egScreenHeight, 0);
} else if (UgaDraw != NULL) {
- refit_call10_wrapper(UgaDraw->Blt, UgaDraw, &FillColor, EfiUgaVideoFill,
- 0, 0, 0, 0, egScreenWidth, egScreenHeight, 0);
+ refit_call10_wrapper(UgaDraw->Blt, UgaDraw, &FillColor, EfiUgaVideoFill, 0, 0, 0, 0, egScreenWidth, egScreenHeight, 0);
}
}