mirror of
https://gitlab.com/Theopse/fbi-i18n-zh.git
synced 2025-04-06 03:58:02 +08:00
647 lines
20 KiB
C
647 lines
20 KiB
C
#include <errno.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <3ds.h>
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#include <citro3d.h>
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#include "../libs/stb_image/stb_image.h"
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#include "screen.h"
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#include "util.h"
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#include "default_shbin.h"
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static bool c3d_initialized;
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static bool shader_initialized;
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static DVLB_s* dvlb;
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static shaderProgram_s program;
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static C3D_RenderTarget* target_top;
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static C3D_RenderTarget* target_bottom;
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static C3D_Mtx projection_top;
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static C3D_Mtx projection_bottom;
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static C3D_Tex* glyph_sheets;
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static float font_scale;
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static u8 base_alpha = 0xFF;
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static u32 color_config[MAX_COLORS] = {0xFF000000};
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static struct {
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bool allocated;
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C3D_Tex tex;
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u32 width;
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u32 height;
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} textures[MAX_TEXTURES];
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static void screen_set_blend(u32 color, bool rgb, bool alpha) {
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C3D_TexEnv* env = C3D_GetTexEnv(0);
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if(env == NULL) {
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util_panic("Failed to retrieve combiner settings.");
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return;
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}
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if(rgb) {
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C3D_TexEnvSrc(env, C3D_RGB, GPU_CONSTANT, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);
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C3D_TexEnvFunc(env, C3D_RGB, GPU_REPLACE);
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} else {
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C3D_TexEnvSrc(env, C3D_RGB, GPU_TEXTURE0, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);
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C3D_TexEnvFunc(env, C3D_RGB, GPU_REPLACE);
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}
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if(alpha) {
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C3D_TexEnvSrc(env, C3D_Alpha, GPU_TEXTURE0, GPU_CONSTANT, GPU_PRIMARY_COLOR);
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C3D_TexEnvFunc(env, C3D_Alpha, GPU_MODULATE);
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} else {
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C3D_TexEnvSrc(env, C3D_Alpha, GPU_TEXTURE0, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR);
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C3D_TexEnvFunc(env, C3D_Alpha, GPU_REPLACE);
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}
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C3D_TexEnvColor(env, color);
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}
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void screen_init() {
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if(!C3D_Init(C3D_DEFAULT_CMDBUF_SIZE * 4)) {
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util_panic("Failed to initialize the GPU.");
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return;
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}
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c3d_initialized = true;
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u32 displayFlags = GX_TRANSFER_FLIP_VERT(0) | GX_TRANSFER_OUT_TILED(0) | GX_TRANSFER_RAW_COPY(0) | GX_TRANSFER_IN_FORMAT(GX_TRANSFER_FMT_RGB8) | GX_TRANSFER_OUT_FORMAT(GX_TRANSFER_FMT_RGB8) | GX_TRANSFER_SCALING(GX_TRANSFER_SCALE_NO);
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target_top = C3D_RenderTargetCreate(TOP_SCREEN_HEIGHT, TOP_SCREEN_WIDTH, GPU_RB_RGB8, 0);
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if(target_top == NULL) {
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util_panic("Failed to initialize the top screen target.");
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return;
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}
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C3D_RenderTargetSetOutput(target_top, GFX_TOP, GFX_LEFT, displayFlags);
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C3D_RenderTargetSetClear(target_top, C3D_CLEAR_ALL, 0, 0);
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target_bottom = C3D_RenderTargetCreate(BOTTOM_SCREEN_HEIGHT, BOTTOM_SCREEN_WIDTH, GPU_RB_RGB8, 0);
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if(target_bottom == NULL) {
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util_panic("Failed to initialize the bottom screen target.");
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return;
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}
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C3D_RenderTargetSetOutput(target_bottom, GFX_BOTTOM, GFX_LEFT, displayFlags);
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C3D_RenderTargetSetClear(target_bottom, C3D_CLEAR_ALL, 0, 0);
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Mtx_OrthoTilt(&projection_top, 0.0, TOP_SCREEN_WIDTH, TOP_SCREEN_HEIGHT, 0.0, 0.0, 1.0, true);
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Mtx_OrthoTilt(&projection_bottom, 0.0, BOTTOM_SCREEN_WIDTH, BOTTOM_SCREEN_HEIGHT, 0.0, 0.0, 1.0, true);
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dvlb = DVLB_ParseFile((u32*) default_shbin, default_shbin_len);
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if(dvlb == NULL) {
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util_panic("Failed to parse shader.");
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return;
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}
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Result progInitRes = shaderProgramInit(&program);
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if(R_FAILED(progInitRes)) {
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util_panic("Failed to initialize shader program: 0x%08lX", progInitRes);
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return;
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}
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shader_initialized = true;
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Result progSetVshRes = shaderProgramSetVsh(&program, &dvlb->DVLE[0]);
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if(R_FAILED(progSetVshRes)) {
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util_panic("Failed to set up vertex shader: 0x%08lX", progInitRes);
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return;
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}
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C3D_BindProgram(&program);
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C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
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if(attrInfo == NULL) {
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util_panic("Failed to retrieve attribute info.");
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return;
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}
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AttrInfo_Init(attrInfo);
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AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3);
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AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2);
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C3D_DepthTest(true, GPU_GEQUAL, GPU_WRITE_ALL);
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screen_set_blend(0, false, false);
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Result fontMapRes = fontEnsureMapped();
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if(R_FAILED(fontMapRes)) {
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util_panic("Failed to map system font: 0x%08lX", fontMapRes);
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return;
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}
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TGLP_s* glyphInfo = fontGetGlyphInfo();
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glyph_sheets = calloc(glyphInfo->nSheets, sizeof(C3D_Tex));
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if(glyph_sheets == NULL) {
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util_panic("Failed to allocate font glyph texture data.");
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return;
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}
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for(int i = 0; i < glyphInfo->nSheets; i++) {
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C3D_Tex* tex = &glyph_sheets[i];
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tex->data = fontGetGlyphSheetTex(i);
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tex->fmt = (GPU_TEXCOLOR) glyphInfo->sheetFmt;
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tex->size = glyphInfo->sheetSize;
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tex->width = glyphInfo->sheetWidth;
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tex->height = glyphInfo->sheetHeight;
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tex->param = GPU_TEXTURE_MAG_FILTER(GPU_LINEAR) | GPU_TEXTURE_MIN_FILTER(GPU_LINEAR) | GPU_TEXTURE_WRAP_S(GPU_CLAMP_TO_EDGE) | GPU_TEXTURE_WRAP_T(GPU_CLAMP_TO_EDGE);
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}
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font_scale = 30.0f / glyphInfo->cellHeight; // 30 is cellHeight in J machines
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}
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void screen_exit() {
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for(u32 id = 0; id < MAX_TEXTURES; id++) {
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screen_unload_texture(id);
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}
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if(glyph_sheets != NULL) {
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free(glyph_sheets);
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glyph_sheets = NULL;
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}
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if(shader_initialized) {
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shaderProgramFree(&program);
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shader_initialized = false;
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}
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if(dvlb != NULL) {
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DVLB_Free(dvlb);
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dvlb = NULL;
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}
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if(target_top != NULL) {
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C3D_RenderTargetDelete(target_top);
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target_top = NULL;
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}
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if(target_bottom != NULL) {
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C3D_RenderTargetDelete(target_bottom);
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target_bottom = NULL;
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}
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if(c3d_initialized) {
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C3D_Fini();
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c3d_initialized = false;
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}
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}
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void screen_set_base_alpha(u8 alpha) {
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base_alpha = alpha;
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}
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void screen_set_color(u32 id, u32 color) {
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if(id >= MAX_COLORS) {
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util_panic("Attempted to draw string with invalid color ID \"%lu\".", id);
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return;
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}
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color_config[id] = color;
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}
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static u32 screen_next_pow_2(u32 i) {
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i--;
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i |= i >> 1;
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i |= i >> 2;
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i |= i >> 4;
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i |= i >> 8;
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i |= i >> 16;
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i++;
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return i;
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}
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u32 screen_allocate_free_texture() {
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u32 id = 0;
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for(u32 i = 1; i < MAX_TEXTURES; i++) {
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if(!textures[i].allocated) {
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textures[i].allocated = true;
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id = i;
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break;
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}
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}
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if(id == 0) {
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util_panic("Out of free textures.");
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return 0;
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}
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return id;
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}
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static void screen_prepare_texture(u32* pow2WidthOut, u32* pow2HeightOut, u32 id, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to prepare invalid texture ID \"%lu\".", id);
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return;
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}
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u32 pow2Width = screen_next_pow_2(width);
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if(pow2Width < 64) {
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pow2Width = 64;
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}
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u32 pow2Height = screen_next_pow_2(height);
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if(pow2Height < 64) {
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pow2Height = 64;
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}
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if(textures[id].tex.data != NULL && (textures[id].tex.width != pow2Width || textures[id].tex.height != pow2Height || textures[id].tex.fmt != format)) {
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C3D_TexDelete(&textures[id].tex);
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textures[id].tex.data = NULL;
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}
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if(textures[id].tex.data == NULL && !C3D_TexInit(&textures[id].tex, (u16) pow2Width, (u16) pow2Height, format)) {
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util_panic("Failed to initialize texture with ID \"%lu\".", id);
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return;
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}
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C3D_TexSetFilter(&textures[id].tex, linearFilter ? GPU_LINEAR : GPU_NEAREST, GPU_NEAREST);
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textures[id].allocated = true;
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textures[id].width = width;
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textures[id].height = height;
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if(pow2WidthOut != NULL) {
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*pow2WidthOut = pow2Width;
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}
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if(pow2HeightOut != NULL) {
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*pow2HeightOut = pow2Height;
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}
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}
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void screen_load_texture_tiled(u32 id, void* data, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
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u32 pow2Width = 0;
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u32 pow2Height = 0;
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screen_prepare_texture(&pow2Width, &pow2Height, id, width, height, format, linearFilter);
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if(width != pow2Width || height != pow2Height) {
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u32 pixelSize = size / width / height;
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memset(textures[id].tex.data, 0, textures[id].tex.size);
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for(u32 y = 0; y < height; y += 8) {
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u32 dstPos = y * pow2Width * pixelSize;
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u32 srcPos = y * width * pixelSize;
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memcpy(&((u8*) textures[id].tex.data)[dstPos], &((u8*) data)[srcPos], width * 8 * pixelSize);
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}
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} else {
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memcpy(textures[id].tex.data, data, textures[id].tex.size);
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}
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C3D_TexFlush(&textures[id].tex);
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}
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void screen_load_texture_untiled(u32 id, void* data, u32 size, u32 width, u32 height, GPU_TEXCOLOR format, bool linearFilter) {
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u32 pow2Width = 0;
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u32 pow2Height = 0;
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screen_prepare_texture(&pow2Width, &pow2Height, id, width, height, format, linearFilter);
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u32 pixelSize = size / width / height;
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memset(textures[id].tex.data, 0, textures[id].tex.size);
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for(u32 x = 0; x < width; x++) {
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for(u32 y = 0; y < height; y++) {
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u32 dstPos = ((((y >> 3) * (pow2Width >> 3) + (x >> 3)) << 6) + ((x & 1) | ((y & 1) << 1) | ((x & 2) << 1) | ((y & 2) << 2) | ((x & 4) << 2) | ((y & 4) << 3))) * pixelSize;
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u32 srcPos = (y * width + x) * pixelSize;
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memcpy(&((u8*) textures[id].tex.data)[dstPos], &((u8*) data)[srcPos], pixelSize);
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}
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}
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C3D_TexFlush(&textures[id].tex);
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}
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void screen_load_texture_path(u32 id, const char* path, bool linearFilter) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to load path \"%s\" to invalid texture ID \"%lu\".", path, id);
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return;
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}
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FILE* fd = fopen(path, "rb");
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if(fd == NULL) {
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util_panic("Failed to load PNG file \"%s\": %s", path, strerror(errno));
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return;
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}
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screen_load_texture_file(id, fd, linearFilter);
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fclose(fd);
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}
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void screen_load_texture_file(u32 id, FILE* fd, bool linearFilter) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to load file to invalid texture ID \"%lu\".", id);
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return;
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}
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int width;
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int height;
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int depth;
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u8* image = stbi_load_from_file(fd, &width, &height, &depth, STBI_rgb_alpha);
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if(image == NULL || depth != STBI_rgb_alpha) {
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util_panic("Failed to load PNG file to texture ID \"%lu\".", id);
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return;
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}
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for(u32 x = 0; x < width; x++) {
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for(u32 y = 0; y < height; y++) {
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u32 pos = (y * width + x) * 4;
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u8 c1 = image[pos + 0];
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u8 c2 = image[pos + 1];
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u8 c3 = image[pos + 2];
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u8 c4 = image[pos + 3];
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image[pos + 0] = c4;
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image[pos + 1] = c3;
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image[pos + 2] = c2;
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image[pos + 3] = c1;
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}
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}
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screen_load_texture_untiled(id, image, (u32) (width * height * 4), (u32) width, (u32) height, GPU_RGBA8, linearFilter);
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free(image);
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}
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void screen_unload_texture(u32 id) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to unload invalid texture ID \"%lu\".", id);
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return;
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}
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C3D_TexDelete(&textures[id].tex);
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textures[id].tex.data = NULL;
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textures[id].allocated = false;
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textures[id].width = 0;
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textures[id].height = 0;
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}
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void screen_get_texture_size(u32* width, u32* height, u32 id) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to get size of invalid texture ID \"%lu\".", id);
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return;
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}
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if(width) {
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*width = textures[id].width;
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}
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if(height) {
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*height = textures[id].height;
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}
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}
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void screen_begin_frame() {
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if(!C3D_FrameBegin(C3D_FRAME_SYNCDRAW)) {
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util_panic("Failed to begin frame.");
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return;
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}
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}
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void screen_end_frame() {
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C3D_FrameEnd(0);
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}
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void screen_select(gfxScreen_t screen) {
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if(!C3D_FrameDrawOn(screen == GFX_TOP ? target_top : target_bottom)) {
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util_panic("Failed to select render target.");
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return;
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}
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C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, shaderInstanceGetUniformLocation(program.vertexShader, "projection"), screen == GFX_TOP ? &projection_top : &projection_bottom);
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}
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static void screen_draw_quad(float x1, float y1, float x2, float y2, float left, float bottom, float right, float top) {
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C3D_ImmDrawBegin(GPU_TRIANGLE_STRIP);
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C3D_ImmSendAttrib(x1, y2, 0.5f, 0.0f);
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C3D_ImmSendAttrib(left, bottom, 0.0f, 0.0f);
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C3D_ImmSendAttrib(x2, y2, 0.5f, 0.0f);
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C3D_ImmSendAttrib(right, bottom, 0.0f, 0.0f);
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C3D_ImmSendAttrib(x1, y1, 0.5f, 0.0f);
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C3D_ImmSendAttrib(left, top, 0.0f, 0.0f);
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C3D_ImmSendAttrib(x2, y1, 0.5f, 0.0f);
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C3D_ImmSendAttrib(right, top, 0.0f, 0.0f);
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C3D_ImmDrawEnd();
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}
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void screen_draw_texture(u32 id, float x, float y, float width, float height) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to draw invalid texture ID \"%lu\".", id);
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return;
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}
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if(textures[id].tex.data == NULL) {
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return;
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}
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if(base_alpha != 0xFF) {
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screen_set_blend(base_alpha << 24, false, true);
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}
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C3D_TexBind(0, &textures[id].tex);
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screen_draw_quad(x, y, x + width, y + height, 0, (float) (textures[id].tex.height - textures[id].height) / (float) textures[id].tex.height, (float) textures[id].width / (float) textures[id].tex.width, 1.0f);
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if(base_alpha != 0xFF) {
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screen_set_blend(0, false, false);
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}
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}
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void screen_draw_texture_crop(u32 id, float x, float y, float width, float height) {
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if(id >= MAX_TEXTURES) {
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util_panic("Attempted to draw invalid texture ID \"%lu\".", id);
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return;
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}
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if(textures[id].tex.data == NULL) {
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return;
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}
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if(base_alpha != 0xFF) {
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screen_set_blend(base_alpha << 24, false, true);
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}
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C3D_TexBind(0, &textures[id].tex);
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screen_draw_quad(x, y, x + width, y + height, 0, (float) (textures[id].tex.height - textures[id].height) / (float) textures[id].tex.height, width / (float) textures[id].tex.width, (textures[id].tex.height - textures[id].height + height) / (float) textures[id].tex.height);
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|
|
if(base_alpha != 0xFF) {
|
|
screen_set_blend(0, false, false);
|
|
}
|
|
}
|
|
|
|
float screen_get_font_height(float scaleY) {
|
|
return scaleY * fontGetInfo()->lineFeed;
|
|
}
|
|
|
|
static void screen_get_string_size_internal(float* width, float* height, const char* text, float scaleX, float scaleY, bool oneLine, bool wrap, float wrapWidth) {
|
|
scaleX *= font_scale;
|
|
scaleY *= font_scale;
|
|
|
|
float w = 0;
|
|
float h = 0;
|
|
float lineWidth = 0;
|
|
|
|
if(text != NULL) {
|
|
h = scaleY * fontGetInfo()->lineFeed;
|
|
|
|
const uint8_t* p = (const uint8_t*) text;
|
|
const uint8_t* lastAlign = p;
|
|
u32 code = 0;
|
|
ssize_t units = -1;
|
|
while(*p && (units = decode_utf8(&code, p)) != -1 && code > 0) {
|
|
p += units;
|
|
|
|
if(code == '\n' || (wrap && lineWidth + scaleX * fontGetCharWidthInfo(fontGlyphIndexFromCodePoint(code))->charWidth >= wrapWidth)) {
|
|
lastAlign = p;
|
|
|
|
if(lineWidth > w) {
|
|
w = lineWidth;
|
|
}
|
|
|
|
lineWidth = 0;
|
|
|
|
if(oneLine) {
|
|
break;
|
|
}
|
|
|
|
h += scaleY * fontGetInfo()->lineFeed;
|
|
}
|
|
|
|
if(code != '\n') {
|
|
u32 num = 1;
|
|
if(code == '\t') {
|
|
code = ' ';
|
|
num = 4 - (p - units - lastAlign) % 4;
|
|
|
|
lastAlign = p;
|
|
}
|
|
|
|
lineWidth += (scaleX * fontGetCharWidthInfo(fontGlyphIndexFromCodePoint(code))->charWidth) * num;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(width) {
|
|
*width = lineWidth > w ? lineWidth : w;
|
|
}
|
|
|
|
if(height) {
|
|
*height = h;
|
|
}
|
|
}
|
|
|
|
void screen_get_string_size(float* width, float* height, const char* text, float scaleX, float scaleY) {
|
|
screen_get_string_size_internal(width, height, text, scaleX, scaleY, false, false, 0);
|
|
}
|
|
|
|
void screen_get_string_size_wrap(float* width, float* height, const char* text, float scaleX, float scaleY, float wrapWidth) {
|
|
screen_get_string_size_internal(width, height, text, scaleX, scaleY, false, true, wrapWidth);
|
|
}
|
|
|
|
static void screen_draw_string_internal(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines, bool wrap, float wrapX) {
|
|
// Note: Do not just multiply scaleX and scaleY by font_scale, as they would then be double-scaled when passed into screen_get_string_size_internal.
|
|
|
|
if(text == NULL) {
|
|
return;
|
|
}
|
|
|
|
if(colorId >= MAX_COLORS) {
|
|
util_panic("Attempted to draw string with invalid color ID \"%lu\".", colorId);
|
|
return;
|
|
}
|
|
|
|
u32 blendColor = color_config[colorId];
|
|
if(base_alpha != 0xFF) {
|
|
float alpha1 = ((blendColor >> 24) & 0xFF) / 255.0f;
|
|
float alpha2 = base_alpha / 255.0f;
|
|
float blendedAlpha = alpha1 * alpha2;
|
|
|
|
blendColor = (((u32) (blendedAlpha * 0xFF)) << 24) | (blendColor & 0x00FFFFFF);
|
|
}
|
|
|
|
screen_set_blend(blendColor, true, true);
|
|
|
|
float stringWidth;
|
|
screen_get_string_size_internal(&stringWidth, NULL, text, scaleX, scaleY, false, wrap, wrapX - x);
|
|
|
|
float lineWidth;
|
|
screen_get_string_size_internal(&lineWidth, NULL, text, scaleX, scaleY, true, wrap, wrapX - x);
|
|
|
|
float currX = x;
|
|
if(centerLines) {
|
|
currX += (stringWidth - lineWidth) / 2;
|
|
}
|
|
|
|
int lastSheet = -1;
|
|
|
|
const uint8_t* p = (const uint8_t*) text;
|
|
const uint8_t* lastAlign = p;
|
|
u32 code = 0;
|
|
ssize_t units = -1;
|
|
while(*p && (units = decode_utf8(&code, p)) != -1 && code > 0) {
|
|
p += units;
|
|
|
|
if(code == '\n' || (wrap && currX + scaleX * font_scale * fontGetCharWidthInfo(fontGlyphIndexFromCodePoint(code))->charWidth >= wrapX)) {
|
|
lastAlign = p;
|
|
|
|
screen_get_string_size_internal(&lineWidth, NULL, (const char*) p, scaleX, scaleY, true, wrap, wrapX - x);
|
|
|
|
currX = x;
|
|
if(centerLines) {
|
|
currX += (stringWidth - lineWidth) / 2;
|
|
}
|
|
|
|
y += scaleY * font_scale * fontGetInfo()->lineFeed;
|
|
}
|
|
|
|
if(code != '\n') {
|
|
u32 num = 1;
|
|
if(code == '\t') {
|
|
code = ' ';
|
|
num = 4 - (p - units - lastAlign) % 4;
|
|
|
|
lastAlign = p;
|
|
}
|
|
|
|
fontGlyphPos_s data;
|
|
fontCalcGlyphPos(&data, fontGlyphIndexFromCodePoint(code), GLYPH_POS_CALC_VTXCOORD, scaleX * font_scale, scaleY * font_scale);
|
|
|
|
if(data.sheetIndex != lastSheet) {
|
|
lastSheet = data.sheetIndex;
|
|
C3D_TexBind(0, &glyph_sheets[lastSheet]);
|
|
}
|
|
|
|
for(u32 i = 0; i < num; i++) {
|
|
screen_draw_quad(currX + data.vtxcoord.left, y + data.vtxcoord.top, currX + data.vtxcoord.right, y + data.vtxcoord.bottom, data.texcoord.left, data.texcoord.bottom, data.texcoord.right, data.texcoord.top);
|
|
|
|
currX += data.xAdvance;
|
|
}
|
|
}
|
|
}
|
|
|
|
screen_set_blend(0, false, false);
|
|
}
|
|
|
|
void screen_draw_string(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines) {
|
|
screen_draw_string_internal(text, x, y, scaleX, scaleY, colorId, centerLines, false, 0);
|
|
}
|
|
|
|
void screen_draw_string_wrap(const char* text, float x, float y, float scaleX, float scaleY, u32 colorId, bool centerLines, float wrapX) {
|
|
screen_draw_string_internal(text, x, y, scaleX, scaleY, colorId, centerLines, true, wrapX);
|
|
}
|