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fatal: Implement basic text rendering.

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This commit is contained in:
Michael Scire 2018-11-13 06:03:30 -08:00
parent 9f6ff2ed6e
commit 8550f722ca
7 changed files with 1541 additions and 10 deletions
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39
stratosphere/fatal/source/fatal_task_screen.cpp
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@ -17,6 +17,27 @@
#include <switch.h>
#include "fatal_task_screen.hpp"
#include "fatal_config.hpp"
#include "fatal_font.hpp"
#include "ams_logo.hpp"
static constexpr u32 FatalScreenWidth = 1280;
static constexpr u32 FatalScreenHeight = 720;
static constexpr u32 FatalScreenBpp = 2;
static constexpr u32 FatalScreenWidthAlignedBytes = (FatalScreenWidth * FatalScreenBpp + 63) & ~63;
static constexpr u32 FatalScreenWidthAligned = FatalScreenWidthAlignedBytes / FatalScreenBpp;
u32 GetPixelOffset(uint32_t x, uint32_t y)
{
u32 tmp_pos;
tmp_pos = ((y & 127) / 16) + (x/32*8) + ((y/16/8)*(((FatalScreenWidthAligned/2)/16*8)));
tmp_pos *= 16*16 * 4;
tmp_pos += ((y%16)/8)*512 + ((x%32)/16)*256 + ((y%8)/2)*64 + ((x%16)/8)*32 + (y%2)*16 + (x%8)*2;//This line is a modified version of code from the Tegra X1 datasheet.
return tmp_pos / 2;
}
Result ShowFatalTask::SetupDisplayInternal() {
Result rc;
@ -107,8 +128,8 @@ Result ShowFatalTask::PrepareScreenForDrawing() {
/* Display a layer of 1280 x 720 at 1.5x magnification */
/* NOTE: N uses 2 (770x400) RGBA4444 buffers (tiled buffer + linear). */
/* We use a single 1280x720 tiled RGB565 buffer. */
constexpr u32 raw_width = 1280;
constexpr u32 raw_height = 720;
constexpr u32 raw_width = FatalScreenWidth;
constexpr u32 raw_height = FatalScreenHeight;
constexpr u32 layer_width = ((raw_width) * 3) / 2;
constexpr u32 layer_height = ((raw_height) * 3) / 2;
@ -160,13 +181,25 @@ Result ShowFatalTask::ShowFatal() {
return FatalResult_NullGfxBuffer;
}
/* Let the font manager know about our framebuffer. */
FontManager::ConfigureFontFramebuffer(tiled_buf, GetPixelOffset);
FontManager::SetFontColor(0xFFFF);
/* Draw a background. */
for (size_t i = 0; i < this->fb.fb_size / sizeof(*tiled_buf); i++) {
tiled_buf[i] = 0x39C9;
}
/* TODO: Actually draw meaningful shit here. */
/* Draw the atmosphere logo in the bottom right corner. */
for (size_t y = 0; y < AMS_LOGO_HEIGHT; y++) {
for (size_t x = 0; x < AMS_LOGO_WIDTH; x++) {
tiled_buf[GetPixelOffset(FatalScreenWidth - AMS_LOGO_WIDTH - 32 + x, FatalScreenHeight - AMS_LOGO_HEIGHT - 32 + y)] = AMS_LOGO_BIN[y * AMS_LOGO_WIDTH + x];
}
}
/* TODO: Actually draw meaningful shit here. */
FontManager::DrawFormat(32, 64, u8"A fatal error occurred: 2%03d-%04d\n", R_MODULE(this->ctx->error_code), R_DESCRIPTION(this->ctx->error_code));
/* Enqueue the buffer. */
framebufferEnd(&fb);