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This commit is contained in:
Dominic Masters
2026-02-15 01:09:28 -06:00
parent af9904c892
commit 92a753560b
9 changed files with 110 additions and 124 deletions
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1
assets/scene/minesweeper.lua
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@@ -198,7 +198,6 @@ function sceneRender()
0, 0, 0, 0,
1, 1 1, 1
) )
-- centerX = math.floor(screenGetWidth() / 2) -- centerX = math.floor(screenGetWidth() / 2)
-- centerY = math.floor(screenGetHeight() / 2) -- centerY = math.floor(screenGetHeight() / 2)

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assets/ui/minogram.dpt Normal file
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48
src/asset/type/assettexture.c
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@@ -16,27 +16,41 @@ errorret_t assetTextureLoad(void *data, void *output) {
assettexture_t *assetData = (assettexture_t *)data; assettexture_t *assetData = (assettexture_t *)data;
texture_t *texture = (texture_t *)output; texture_t *texture = (texture_t *)output;
// Read header and version (first 4 bytes)
if(
assetData->header[0] != 'D' ||
assetData->header[1] != 'P' ||
assetData->header[2] != 'T'
) {
errorThrow("Invalid texture header");
}
// Version (can only be 1 atm)
if(assetData->version != 0x01) {
errorThrow("Unsupported texture version");
}
// Fix endian // Fix endian
assetData->width = le32toh(assetData->width); assetData->width = le32toh(assetData->width);
assetData->height = le32toh(assetData->height); assetData->height = le32toh(assetData->height);
errorThrow("Hello World\n");
// const palette_t *pal = PALETTE_LIST[assetData->paletteIndex]; // Check dimensions.
// assertNotNull(pal, "Palette index is out of bounds"); if(
assetData->width == 0 || assetData->width > ASSET_TEXTURE_WIDTH_MAX ||
assetData->height == 0 || assetData->height > ASSET_TEXTURE_HEIGHT_MAX
) {
errorThrow("Invalid texture dimensions");
}
// textureInit( textureInit(
// texture, texture,
// assetData->width, assetData->width,
// assetData->height, assetData->height,
// TEXTURE_FORMAT_PALETTE, TEXTURE_FORMAT_PALETTE,
// (texturedata_t){ (texturedata_t){
// .palette = { .paletteData = assetData->palette
// .palette = pal, }
// .data = assetData->palette );
// }
// }
// );
// errorOk(); errorOk();
} }

3
src/asset/type/assettexture.h
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@@ -16,6 +16,9 @@
#pragma pack(push, 1) #pragma pack(push, 1)
typedef struct { typedef struct {
char_t header[3];
uint8_t version;
uint32_t width; uint32_t width;
uint32_t height; uint32_t height;
uint8_t paletteIndex; uint8_t paletteIndex;

4
src/display/framebuffer.c
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@@ -31,8 +31,8 @@ void frameBufferInitBackbuffer() {
assertTrue(width > 0 && height > 0, "W/H must be greater than 0"); assertTrue(width > 0 && height > 0, "W/H must be greater than 0");
memoryZero(framebuffer, sizeof(framebuffer_t)); memoryZero(framebuffer, sizeof(framebuffer_t));
textureInit(&framebuffer->texture, width, height, GL_RGBA,(texturedata_t){ textureInit(&framebuffer->texture, width, height, TEXTURE_FORMAT_RGBA,(texturedata_t){
.rgba = { .colors = NULL } .rgbaColors = NULL
}); });
glGenFramebuffersEXT(1, &framebuffer->id); glGenFramebuffersEXT(1, &framebuffer->id);

2
src/display/text.c
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@@ -15,7 +15,7 @@ texture_t DEFAULT_FONT_TEXTURE;
tileset_t DEFAULT_FONT_TILESET; tileset_t DEFAULT_FONT_TILESET;
errorret_t textInit(void) { errorret_t textInit(void) {
// errorChain(assetLoad(DEFAULT_FONT_TILESET.image, &DEFAULT_FONT_TEXTURE)); errorChain(assetLoad("ui/minogram.dpt", &DEFAULT_FONT_TEXTURE));
errorOk(); errorOk();
} }

141
src/display/texture.c
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@@ -29,16 +29,8 @@ void textureInit(
texture->height = height; texture->height = height;
texture->format = format; texture->format = format;
#if PSP assertTrue(width == mathNextPowTwo(width), "Width must be a power of 2.");
assertTrue( assertTrue(height == mathNextPowTwo(height), "Height must be a power of 2.");
width == mathNextPowTwo(width),
"Width must be powers of 2 for PSP"
);
assertTrue(
height == mathNextPowTwo(height),
"Height must be powers of 2 for PSP"
);
#endif
#if DISPLAY_SDL2 #if DISPLAY_SDL2
glGenTextures(1, &texture->id); glGenTextures(1, &texture->id);
@@ -48,56 +40,55 @@ void textureInit(
case TEXTURE_FORMAT_RGBA: case TEXTURE_FORMAT_RGBA:
glTexImage2D( glTexImage2D(
GL_TEXTURE_2D, 0, format, width, height, 0, GL_TEXTURE_2D, 0, format, width, height, 0,
format, GL_UNSIGNED_BYTE, (void*)data.rgba.colors format, GL_UNSIGNED_BYTE, (void*)data.rgbaColors
); );
break; break;
case TEXTURE_FORMAT_ALPHA: { // case TEXTURE_FORMAT_ALPHA: {
assertNotNull(data.alpha.data, "Alpha texture data cannot be NULL"); // assertNotNull(data.alpha.data, "Alpha texture data cannot be NULL");
#if PSP // #if PSP
// PSP kinda broken with alpha textures, so we convert it to paletted // // PSP kinda broken with alpha textures, so we convert it to paletted
// texture here. We also crunch the amount of alpha values. // // texture here. We also crunch the amount of alpha values.
#define PSP_ALPHA_PALETTE_CRUNCH 4 // #define PSP_ALPHA_PALETTE_CRUNCH 4
#define PSP_ALPHA_PALETTE_COUNT (256 / PSP_ALPHA_PALETTE_CRUNCH) // #define PSP_ALPHA_PALETTE_COUNT (256 / PSP_ALPHA_PALETTE_CRUNCH)
color_t paletteColors[PSP_ALPHA_PALETTE_COUNT]; // color_t paletteColors[PSP_ALPHA_PALETTE_COUNT];
for(uint8_t i = 0; i < PSP_ALPHA_PALETTE_COUNT; i++) { // for(uint8_t i = 0; i < PSP_ALPHA_PALETTE_COUNT; i++) {
paletteColors[i].r = 0xFF; // paletteColors[i].r = 0xFF;
paletteColors[i].g = 0xFF; // paletteColors[i].g = 0xFF;
paletteColors[i].b = 0xFF; // paletteColors[i].b = 0xFF;
paletteColors[i].a = i * PSP_ALPHA_PALETTE_CRUNCH; // paletteColors[i].a = i * PSP_ALPHA_PALETTE_CRUNCH;
} // }
// Generate indexes, crunching the alpha values to fit. // // Generate indexes, crunching the alpha values to fit.
uint8_t indexes[width * height]; // uint8_t indexes[width * height];
for(int32_t i = 0; i < width * height; i++) { // for(int32_t i = 0; i < width * height; i++) {
uint8_t alpha = data.alpha.data[i] / PSP_ALPHA_PALETTE_CRUNCH;; // uint8_t alpha = data.alpha.data[i] / PSP_ALPHA_PALETTE_CRUNCH;;
indexes[i] = alpha; // indexes[i] = alpha;
} // }
palette_t palette = { // palette_t palette = {
.colorCount = PSP_ALPHA_PALETTE_COUNT, // .colorCount = PSP_ALPHA_PALETTE_COUNT,
.colors = paletteColors // .colors = paletteColors
}; // };
return textureInit( // return textureInit(
texture, width, height, TEXTURE_FORMAT_PALETTE, // texture, width, height, TEXTURE_FORMAT_PALETTE,
(texturedata_t){ // (texturedata_t){
.palette = { .palette = &palette, .data = indexes } // .palette = { .palette = &palette, .data = indexes }
} // }
); // );
#else // #else
glTexImage2D( // glTexImage2D(
GL_TEXTURE_2D, 0, format, width, height, 0, // GL_TEXTURE_2D, 0, format, width, height, 0,
format, GL_UNSIGNED_BYTE, (void*)data.alpha.data // format, GL_UNSIGNED_BYTE, (void*)data.alpha.data
); // );
#endif // #endif
break; // break;
} // }
case TEXTURE_FORMAT_PALETTE: case TEXTURE_FORMAT_PALETTE:
assertNotNull(data.palette.data, "Palette texture data cannot be NULL"); assertNotNull(data.paletteData, "Palette texture data cannot be NULL");
assertNotNull(data.palette.palette, "Palette cannot be NULL");
// Get and validate the palette. // Get and validate the palette.
GLenum err = glGetError(); GLenum err = glGetError();
@@ -130,45 +121,35 @@ void textureInit(
#endif #endif
if(!havePalTex) { if(!havePalTex) {
assertUnreachable("Paletted textures not supported on this platform");
// Not supported, convert to RGBA using lookup // Not supported, convert to RGBA using lookup
color_t formatted[width * height]; // color_t formatted[width * height];
for(int32_t i = 0; i < width * height; i++) { // for(int32_t i = 0; i < width * height; i++) {
uint8_t index = data.palette.data[i]; // uint8_t index = data..data[i];
assertTrue( // assertTrue(
index < data.palette.palette->colorCount, // index < data.palette.palette->colorCount,
"Palette index out of range" // "Palette index out of range"
); // );
formatted[i] = data.palette.palette->colors[index]; // formatted[i] = data.palette.palette->colors[index];
} // }
glTexImage2D( // glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, // GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, (void*)formatted // GL_RGBA, GL_UNSIGNED_BYTE, (void*)formatted
); // );
} else { } else {
// Supported.
#if PSP
// PSP requires the color table itself to be a power of two
assertTrue(
data.palette.palette->colorCount ==
mathNextPowTwo(data.palette.palette->colorCount),
"Palette color count must be a power of 2 for PSP"
);
#endif
glTexImage2D( glTexImage2D(
GL_TEXTURE_2D, GL_TEXTURE_2D,
0, GL_COLOR_INDEX8_EXT, 0, GL_COLOR_INDEX8_EXT,
width, height, width, height,
0, GL_COLOR_INDEX8_EXT, 0, GL_COLOR_INDEX8_EXT,
GL_UNSIGNED_BYTE, (void*)data.palette.data GL_UNSIGNED_BYTE, (void*)data.paletteData
); );
glColorTableEXT( // glColorTableEXT(
GL_TEXTURE_2D, GL_RGBA, data.palette.palette->colorCount, GL_RGBA, // GL_TEXTURE_2D, GL_RGBA, data.palette.palette->colorCount, GL_RGBA,
GL_UNSIGNED_BYTE, (const void*)data.palette.palette->colors // GL_UNSIGNED_BYTE, (const void*)data.palette.palette->colors
); // );
} }
break; break;
default: default:

19
src/display/texture.h
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@@ -13,11 +13,10 @@
typedef enum { typedef enum {
#if DISPLAY_SDL2 #if DISPLAY_SDL2
TEXTURE_FORMAT_RGBA = GL_RGBA, TEXTURE_FORMAT_RGBA = GL_RGBA,
TEXTURE_FORMAT_ALPHA = GL_ALPHA,
TEXTURE_FORMAT_PALETTE = GL_COLOR_INDEX8_EXT, TEXTURE_FORMAT_PALETTE = GL_COLOR_INDEX8_EXT,
#elif DOLPHIN #elif DOLPHIN
TEXTURE_FORMAT_RGBA = GX_TF_RGBA8, // TEXTURE_FORMAT_RGBA = GX_TF_RGBA8,
TEXTURE_FORMAT_ALPHA = GX_TF_A8, // TEXTURE_FORMAT_ALPHA = GX_TF_A8,
TEXTURE_FORMAT_PALETTE = GX_TF_CI8, TEXTURE_FORMAT_PALETTE = GX_TF_CI8,
#endif #endif
} textureformat_t; } textureformat_t;
@@ -40,18 +39,8 @@ typedef struct {
} texture_t; } texture_t;
typedef union { typedef union {
struct { uint8_t *paletteData;
color_t *colors; color_t *rgbaColors;
} rgba;
struct {
const palette_t *palette;
uint8_t *data;
} palette;
struct {
uint8_t *data;
} alpha;
} texturedata_t; } texturedata_t;
extern const texture_t *TEXTURE_BOUND; extern const texture_t *TEXTURE_BOUND;

16
tools/palette-indexer.html
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@@ -663,17 +663,17 @@
// Width // Width
const widthBytes = new Uint8Array(4); const widthBytes = new Uint8Array(4);
widthBytes[0] = (imageWidth >> 24) & 0xFF; widthBytes[3] = (imageWidth >> 24) & 0xFF;
widthBytes[1] = (imageWidth >> 16) & 0xFF; widthBytes[2] = (imageWidth >> 16) & 0xFF;
widthBytes[2] = (imageWidth >> 8) & 0xFF; widthBytes[1] = (imageWidth >> 8) & 0xFF;
widthBytes[3] = imageWidth & 0xFF; widthBytes[0] = imageWidth & 0xFF;
// Height // Height
const heightBytes = new Uint8Array(4); const heightBytes = new Uint8Array(4);
heightBytes[0] = (imageHeight >> 24) & 0xFF; heightBytes[3] = (imageHeight >> 24) & 0xFF;
heightBytes[1] = (imageHeight >> 16) & 0xFF; heightBytes[2] = (imageHeight >> 16) & 0xFF;
heightBytes[2] = (imageHeight >> 8) & 0xFF; heightBytes[1] = (imageHeight >> 8) & 0xFF;
heightBytes[3] = imageHeight & 0xFF; heightBytes[0] = imageHeight & 0xFF;
// add indexed image data (imageWidth * imageHeight bytes) // add indexed image data (imageWidth * imageHeight bytes)
const imageData = new Uint8Array(indexedImage.length); const imageData = new Uint8Array(indexedImage.length);