Some more work to get video support working, add generic code to support the boot splash in.

However all modes available are planar, and there doesn't seem to be a way to tell it in the kernel args framebuffer struct...


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39255 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/platform/amiga_m68k/Jamfile

@@ -19,6 +19,13 @@ UsePrivateHeaders [ FDirName storage ] ;
 
 #SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons accelerants common ] ;
 
+local genericPlatformSources =
+	text_menu.cpp
+	video_blit.cpp
+	video_splash.cpp
+	video_rle.cpp
+;
+
 
 KernelMergeObject boot_platform_amiga_m68k_shell.o :
 	shell.S
@@ -46,9 +53,8 @@ KernelMergeObject boot_platform_amiga_m68k_other.o :
 	video.cpp
 	#apm.cpp
 	
-	# generic
-	text_menu.cpp
-
+	$(genericPlatformSources)
+	
 	# VESA/DDC EDID
 	#decode_edid.c
 	#dump_edid.c
@@ -88,8 +94,7 @@ actions ChecksumAmigaLoader bind TARGET_CHECKSUM
 ChecksumAmigaLoader haiku_loader ;
 
 
-
-SEARCH on [ FGristFiles text_menu.cpp ]
+SEARCH on [ FGristFiles $(genericPlatformSources) ]
 	= [ FDirName $(HAIKU_TOP) src system boot platform generic ] ;
 
 # Tell the build system to where stage1.bin can be found, so it can be used

src/system/boot/platform/amiga_m68k/video.cpp

@@ -5,6 +5,7 @@
 
 
 #include "rom_calls.h"
+#include "console.h"
 #include "video.h"
 //#include "mmu.h"
 //#include "images.h"
@@ -14,6 +15,7 @@
 #include <boot/platform.h>
 #include <boot/menu.h>
 #include <boot/kernel_args.h>
+#include <boot/platform/generic/video.h>
 #include <util/list.h>
 #include <drivers/driver_settings.h>
 #include <GraphicsDefs.h>
@@ -30,8 +32,51 @@
 #	define TRACE(x) ;
 #endif
 
+static addr_t sFrameBuffer;
 
 
+static void
+probe_video_mode()
+{
+	if (gScreen == NULL) {
+		gKernelArgs.frame_buffer.enabled = false;
+		return;
+	}
+	/*
+	if (gScreen->RastPort.BitMap->Depth < 8) {
+		gKernelArgs.frame_buffer.enabled = false;
+		return;
+	}
+	*/
+
+	/*
+	dprintf("Video mode:\n");
+	dprintf("BytesPerRow %d\n", gScreen->RastPort.BitMap->BytesPerRow);
+	dprintf("Rows %d\n", gScreen->RastPort.BitMap->Rows);
+	dprintf("Flags %02x\n", gScreen->RastPort.BitMap->Flags);
+	dprintf("Depth %d\n", gScreen->RastPort.BitMap->Depth);
+	for (int i = 0; i < 8; i++)
+		dprintf("Planes[%d] %p\n", i, gScreen->RastPort.BitMap->Planes[i]);
+	*/
+
+	//XXX how do we tell it's a planar framebuffer ??
+
+	gKernelArgs.frame_buffer.width = gScreen->RastPort.BitMap->BytesPerRow * 8;
+	gKernelArgs.frame_buffer.height = gScreen->RastPort.BitMap->Rows;
+	gKernelArgs.frame_buffer.bytes_per_row = gScreen->RastPort.BitMap->BytesPerRow;
+	gKernelArgs.frame_buffer.depth = gScreen->RastPort.BitMap->Depth;
+	gKernelArgs.frame_buffer.physical_buffer.size
+		= gKernelArgs.frame_buffer.width
+		* gKernelArgs.frame_buffer.height
+		* gScreen->RastPort.BitMap->Depth / 8;
+	gKernelArgs.frame_buffer.physical_buffer.start
+		= (phys_addr_t)(gScreen->RastPort.BitMap->Planes[0]);
+
+	dprintf("video mode: %ux%ux%u\n", gKernelArgs.frame_buffer.width,
+		gKernelArgs.frame_buffer.height, gKernelArgs.frame_buffer.depth);
+
+	gKernelArgs.frame_buffer.enabled = true;
+}
 
 
 //	#pragma mark -
@@ -89,8 +134,15 @@ video_mode_menu()
 			continue;*/
 		if (info.NotAvailable)
 			continue;
+		if (info.PropertyFlags & DIPF_IS_HAM)
+			continue;
+		if (info.PropertyFlags & DIPF_IS_DUALPF)
+			continue;
 		if (dimension.MaxDepth < 4)
 			continue;
+		// skip 5 & 6 bit modes
+		if (dimension.MaxDepth < 8 && dimension.MaxDepth != 4)
+			continue;
 		//dprintf("name: %s\n", name.Name);
 		/*
 		dprintf("mode 0x%08lx: %dx%d flags: 0x%08lx bpp: %d\n",
@@ -99,18 +151,19 @@ video_mode_menu()
 		dprintf("mode: %dx%d -> %dx%d\n",
 			dimension.MinRasterWidth, dimension.MinRasterHeight,
 			dimension.MaxRasterWidth, dimension.MaxRasterHeight);
+		*/
 		dprintf("mode: %dx%d %dbpp flags: 0x%08lx\n",
 			dimension.Nominal.MaxX - dimension.Nominal.MinX + 1,
 			dimension.Nominal.MaxY - dimension.Nominal.MinY + 1,
 			dimension.MaxDepth, info.PropertyFlags);
-		*/
+		
 		char label[128];
 		sprintf(label, "%ux%u %u bit %08lx%s%s",
 			dimension.Nominal.MaxX - dimension.Nominal.MinX + 1,
 			dimension.Nominal.MaxY - dimension.Nominal.MinY + 1,
 			dimension.MaxDepth, info.PropertyFlags,
-			(info.PropertyFlags & DIPF_IS_LACE) ? "" : " i",
-			(info.PropertyFlags & DIPF_IS_PAL) ? "" : " pal");
+			(info.PropertyFlags & DIPF_IS_LACE) ? " i" : "",
+			(info.PropertyFlags & DIPF_IS_PAL) ? " pal" : "");
 
 		menu->AddItem(item = new(nothrow) MenuItem(label));
 		item->SetData((void *)modeID);
@@ -127,13 +180,62 @@ video_mode_menu()
 }
 
 
+//	#pragma mark - blit
+
+
+extern "C" void
+platform_blit4(addr_t frameBuffer, const uint8 *data,
+	uint16 width, uint16 height, uint16 imageWidth, uint16 left, uint16 top)
+{
+	if (!data)
+		return;
+	// TODO
+}
+
+
+extern "C" void
+platform_set_palette(const uint8 *palette)
+{
+	switch (gKernelArgs.frame_buffer.depth) {
+		case 4:
+			//vga_set_palette((const uint8 *)kPalette16, 0, 16);
+			break;
+		case 8:
+			//if (vesa_set_palette((const uint8 *)palette, 0, 256) != B_OK)
+			//	dprintf("set palette failed!\n");
+
+			break;
+		default:
+			break;
+	}
+}
+
+
 //	#pragma mark -
 
 
 extern "C" void
 platform_switch_to_logo(void)
 {
+	return;
+	// in debug mode, we'll never show the logo
+	if ((platform_boot_options() & BOOT_OPTION_DEBUG_OUTPUT) != 0)
+		return;
+
+	addr_t lastBase = gKernelArgs.frame_buffer.physical_buffer.start;
+	size_t lastSize = gKernelArgs.frame_buffer.physical_buffer.size;
+
 	// TODO: implement me
+	
+	probe_video_mode();
+
+	// map to virtual memory
+	// (should be ok in bootloader thanks to TT0)
+	
+	sFrameBuffer = gKernelArgs.frame_buffer.physical_buffer.start;
+
+	video_display_splash(sFrameBuffer);
+
 }
 
 
@@ -148,6 +250,8 @@ extern "C" status_t
 platform_init_video(void)
 {
 	// TODO: implement me
+	probe_video_mode();
+
 	return B_OK;
 }