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3DS - Make glyph system independent of surfaces

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This commit is contained in:
Clownacy 2020-10-14 19:40:37 +01:00
parent 5756612212
commit aafb8dd302
1 changed files with 19 additions and 13 deletions
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32
src/Backends/Rendering/3DS.cpp
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@ -30,7 +30,7 @@ typedef struct RenderBackend_Surface
typedef struct RenderBackend_GlyphAtlas
{
RenderBackend_Surface *surface;
C3D_Tex texture;
unsigned char *local_texture_buffer;
} RenderBackend_GlyphAtlas;
@ -367,12 +367,18 @@ RenderBackend_GlyphAtlas* RenderBackend_CreateGlyphAtlas(size_t width, size_t he
if (atlas->local_texture_buffer != NULL)
{
atlas->surface = RenderBackend_CreateSurface(width, height, false);
memset(&atlas->texture, 0, sizeof(atlas->texture));
if (C3D_TexInit(&atlas->texture, width, height, GPU_RGBA8))
{
C3D_TexSetFilter(&atlas->texture, GPU_NEAREST, GPU_NEAREST);
if (atlas->surface != NULL)
return atlas;
}
else
Backend_PrintError("RenderBackend_CreateSurface failed in RenderBackend_CreateGlyphAtlas");
{
Backend_PrintError("C3D_TexInit failed in RenderBackend_CreateGlyphAtlas");
}
linearFree(atlas->local_texture_buffer);
}
@ -394,7 +400,7 @@ RenderBackend_GlyphAtlas* RenderBackend_CreateGlyphAtlas(size_t width, size_t he
void RenderBackend_DestroyGlyphAtlas(RenderBackend_GlyphAtlas *atlas)
{
RenderBackend_FreeSurface(atlas->surface);
C3D_TexDelete(&atlas->texture);
linearFree(atlas->local_texture_buffer);
free(atlas);
}
@ -411,7 +417,7 @@ void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t
for (size_t h = 0; h < height; ++h)
{
const unsigned char *source_pointer = &pixels[h * pitch];
unsigned char *destination_pointer = &atlas->local_texture_buffer[((y + h) * atlas->surface->width + x) * 4];
unsigned char *destination_pointer = &atlas->local_texture_buffer[((y + h) * atlas->texture.width + x) * 4];
for (size_t w = 0; w < width; ++w)
{
@ -422,9 +428,9 @@ void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t
}
}
GSPGPU_FlushDataCache(atlas->local_texture_buffer, atlas->surface->width * atlas->surface->height * 4);
GSPGPU_FlushDataCache(atlas->local_texture_buffer, atlas->texture.width * atlas->texture.height * 4);
C3D_SyncDisplayTransfer((u32*)atlas->local_texture_buffer, GX_BUFFER_DIM(atlas->surface->width, atlas->surface->height), (u32*)atlas->surface->texture.data, GX_BUFFER_DIM(atlas->surface->width, atlas->surface->height), TEXTURE_TRANSFER_FLAGS);
C3D_SyncDisplayTransfer((u32*)atlas->local_texture_buffer, GX_BUFFER_DIM(atlas->texture.width, atlas->texture.height), (u32*)atlas->texture.data, GX_BUFFER_DIM(atlas->texture.width, atlas->texture.height), TEXTURE_TRANSFER_FLAGS);
}
void RenderBackend_PrepareToDrawGlyphs(RenderBackend_GlyphAtlas *atlas, RenderBackend_Surface *destination_surface, unsigned char red, unsigned char green, unsigned char blue)
@ -446,10 +452,10 @@ void RenderBackend_PrepareToDrawGlyphs(RenderBackend_GlyphAtlas *atlas, RenderBa
void RenderBackend_DrawGlyph(long x, long y, size_t glyph_x, size_t glyph_y, size_t glyph_width, size_t glyph_height)
{
const float texture_left = (float)glyph_x / glyph_atlas->surface->texture.width;
const float texture_top = (float)(glyph_atlas->surface->texture.height - glyph_y) / glyph_atlas->surface->texture.height;
const float texture_right = (float)(glyph_x + glyph_width) / glyph_atlas->surface->texture.width;
const float texture_bottom = (float)(glyph_atlas->surface->texture.height - (glyph_y + glyph_height)) / glyph_atlas->surface->texture.height;
const float texture_left = (float)glyph_x / glyph_atlas->texture.width;
const float texture_top = (float)(glyph_atlas->texture.height - glyph_y) / glyph_atlas->texture.height;
const float texture_right = (float)(glyph_x + glyph_width) / glyph_atlas->texture.width;
const float texture_bottom = (float)(glyph_atlas->texture.height - (glyph_y + glyph_height)) / glyph_atlas->texture.height;
Tex3DS_SubTexture subtexture;
subtexture.width = glyph_width;
@ -460,7 +466,7 @@ void RenderBackend_DrawGlyph(long x, long y, size_t glyph_x, size_t glyph_y, siz
subtexture.bottom = texture_bottom;
C2D_Image image;
image.tex = &glyph_atlas->surface->texture;
image.tex = &glyph_atlas->texture;
image.subtex = &subtexture;
C2D_DrawImageAt(image, x, y, 0.5f, &glyph_tint, 1.0f, 1.0f);