*/
#include "libegint.h"
-#include "refit_call_wrapper.h"
+#include "../refind/screen.h"
+#include "../include/refit_call_wrapper.h"
#include <efiUgaDraw.h>
-/* #include <efiGraphicsOutput.h> */
#include <efiConsoleControl.h>
+#ifndef __MAKEWITH_GNUEFI
+#define LibLocateProtocol EfiLibLocateProtocol
+#endif
+
// Console defines and variables
static EFI_GUID ConsoleControlProtocolGuid = EFI_CONSOLE_CONTROL_PROTOCOL_GUID;
VOID egInitScreen(VOID)
{
- EFI_STATUS Status;
+ 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) {
}
}
+// 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.
+// 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;
+
+ 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)) {
+ 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 (ModeSet) {
+ 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);
+ ModeNum = 0;
+ 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();
+ } // 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);
+ if (Status == EFI_SUCCESS) {
+ 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");
+ } // if/else
+ } // if/else if
+ return (ModeSet);
+} // BOOLEAN egSetScreenSize()
+
VOID egGetScreenSize(OUT UINTN *ScreenWidth, OUT UINTN *ScreenHeight)
{
if (ScreenWidth != NULL)
CHAR16 * egScreenDescription(VOID)
{
+ CHAR16 *Temp;
+
if (egHasGraphics) {
if (GraphicsOutput != NULL) {
- return PoolPrint(L"Graphics Output (UEFI), %dx%d",
- egScreenWidth, egScreenHeight);
+ Temp = AllocateZeroPool(256 * sizeof(CHAR16));
+ SPrint(Temp, 255, L"Graphics Output (UEFI), %dx%d", egScreenWidth, egScreenHeight);
+ return Temp;
} else if (UgaDraw != NULL) {
- return PoolPrint(L"UGA Draw (EFI 1.10), %dx%d",
- egScreenWidth, egScreenHeight);
+ Temp = AllocateZeroPool(256 * sizeof(CHAR16));
+ SPrint(Temp, 255, L"UGA Draw (EFI 1.10), %dx%d", egScreenWidth, egScreenHeight);
+ return Temp;
} else {
return L"Internal Error";
}
BOOLEAN egIsGraphicsModeEnabled(VOID)
{
EFI_CONSOLE_CONTROL_SCREEN_MODE CurrentMode;
-
+
if (ConsoleControl != NULL) {
refit_call4_wrapper(ConsoleControl->GetMode, ConsoleControl, &CurrentMode, NULL, NULL);
return (CurrentMode == EfiConsoleControlScreenGraphics) ? TRUE : FALSE;
}
-
+
return FALSE;
}
{
EFI_CONSOLE_CONTROL_SCREEN_MODE CurrentMode;
EFI_CONSOLE_CONTROL_SCREEN_MODE NewMode;
-
+
if (ConsoleControl != NULL) {
refit_call4_wrapper(ConsoleControl->GetMode, ConsoleControl, &CurrentMode, NULL, NULL);
-
+
NewMode = Enable ? EfiConsoleControlScreenGraphics
: EfiConsoleControlScreenText;
if (CurrentMode != NewMode)
- refit_call2_wrapper(ConsoleControl->SetMode, ConsoleControl, NewMode);
+ refit_call2_wrapper(ConsoleControl->SetMode, ConsoleControl, NewMode);
}
}
VOID egClearScreen(IN EG_PIXEL *Color)
{
EFI_UGA_PIXEL FillColor;
-
+
if (!egHasGraphics)
return;
-
+
FillColor.Red = Color->r;
FillColor.Green = Color->g;
FillColor.Blue = Color->b;
FillColor.Reserved = 0;
-
+
if (GraphicsOutput != NULL) {
// EFI_GRAPHICS_OUTPUT_BLT_PIXEL and EFI_UGA_PIXEL have the same
// layout, and the header from TianoCore actually defines them
{
if (!egHasGraphics)
return;
-
+
if (Image->HasAlpha) {
Image->HasAlpha = FALSE;
egSetPlane(PLPTR(Image, a), 0, Image->Width * Image->Height);
}
-
+
if (GraphicsOutput != NULL) {
refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltBufferToVideo,
0, 0, ScreenPosX, ScreenPosY, Image->Width, Image->Height, 0);
{
if (!egHasGraphics)
return;
-
+
egRestrictImageArea(Image, AreaPosX, AreaPosY, &AreaWidth, &AreaHeight);
if (AreaWidth == 0)
return;
-
+
if (Image->HasAlpha) {
Image->HasAlpha = FALSE;
egSetPlane(PLPTR(Image, a), 0, Image->Width * Image->Height);
}
-
+
if (GraphicsOutput != NULL) {
refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltBufferToVideo,
AreaPosX, AreaPosY, ScreenPosX, ScreenPosY, AreaWidth, AreaHeight, Image->Width * 4);
}
}
+// Display a message in the center of the screen, surrounded by a box of the
+// specified color. For the moment, uses graphics calls only. (It still works
+// in text mode on GOP/UEFI systems, but not on UGA/EFI 1.x systems.)
+VOID egDisplayMessage(IN CHAR16 *Text, EG_PIXEL *BGColor) {
+ UINTN BoxWidth, BoxHeight;
+ EG_IMAGE *Box;
+
+ if ((Text != NULL) && (BGColor != NULL)) {
+ BoxWidth = (StrLen(Text) + 2) * FONT_CELL_WIDTH;
+ if (BoxWidth > egScreenWidth)
+ BoxWidth = egScreenWidth;
+ BoxHeight = 2 * FONT_CELL_HEIGHT;
+ Box = egCreateFilledImage(BoxWidth, BoxHeight, FALSE, BGColor);
+ egRenderText(Text, Box, FONT_CELL_WIDTH, FONT_CELL_HEIGHT / 2);
+ egDrawImage(Box, (egScreenWidth - BoxWidth) / 2, (egScreenHeight - BoxHeight) / 2);
+ } // if non-NULL inputs
+} // VOID egDisplayMessage()
+
//
// Make a screenshot
//
UINT8 *FileData;
UINTN FileDataLength;
UINTN Index;
-
+
if (!egHasGraphics)
return;
-
+
// allocate a buffer for the whole screen
Image = egCreateImage(egScreenWidth, egScreenHeight, FALSE);
if (Image == NULL) {
Print(L"Error egCreateImage returned NULL\n");
goto bailout_wait;
}
-
+
// get full screen image
if (GraphicsOutput != NULL) {
refit_call10_wrapper(GraphicsOutput->Blt, GraphicsOutput, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)Image->PixelData, EfiBltVideoToBltBuffer,
refit_call10_wrapper(UgaDraw->Blt, UgaDraw, (EFI_UGA_PIXEL *)Image->PixelData, EfiUgaVideoToBltBuffer,
0, 0, 0, 0, Image->Width, Image->Height, 0);
}
-
+
// encode as BMP
egEncodeBMP(Image, &FileData, &FileDataLength);
egFreeImage(Image);
Print(L"Error egEncodeBMP returned NULL\n");
goto bailout_wait;
}
-
+
// save to file on the ESP
Status = egSaveFile(NULL, L"screenshot.bmp", FileData, FileDataLength);
FreePool(FileData);
Print(L"Error egSaveFile: %x\n", Status);
goto bailout_wait;
}
-
+
return;
-
+
// DEBUG: switch to text mode
bailout_wait:
egSetGraphicsModeEnabled(FALSE);