hmn
/
orca
5
Fork 2
Code Issues 21 Pull Requests 1 Packages Projects Releases Wiki Activity

Fixing metal compute shader coordinate bug that prevented rendering the last row/column of tiles

This commit is contained in:
Martin Fouilleul 2022-08-15 17:20:44 +02:00
parent 094b0efc33
commit c3f149c910
6 changed files with 184 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
src/graphics.c
View File

@ -3153,17 +3153,37 @@ mg_glyph_info* mg_font_get_glyph_info(mg_font_info* fontInfo, u32 glyphIndex)
return(&(fontInfo->glyphs[glyphIndex-1]));
}
int mg_font_get_extents(mg_font font, mg_font_extents* outExtents)
mg_font_extents mg_font_get_extents(mg_font font)
{
mg_font_info* fontInfo = mg_get_font_info(font);
if(!fontInfo)
{
return(-1);
return((mg_font_extents){});
}
*outExtents = fontInfo->extents;
return(0);
return(fontInfo->extents);
}
mg_font_extents mg_font_get_scaled_extents(mg_font font, f32 emSize)
{
mg_font_info* fontInfo = mg_get_font_info(font);
if(!fontInfo)
{
return((mg_font_extents){});
}
f32 scale = emSize/fontInfo->unitsPerEm;
mg_font_extents extents = fontInfo->extents;
extents.ascent *= scale;
extents.descent *= scale;
extents.leading *= scale;
extents.xHeight *= scale;
extents.capHeight *= scale;
extents.width *= scale;
return(extents);
}
f32 mg_font_get_scale_for_em_pixels(mg_font font, f32 emSize)
{
mg_font_info* fontInfo = mg_get_font_info(font);
@ -3763,6 +3783,23 @@ mp_rect mg_glyph_outlines(mg_canvas handle, str32 glyphIndices)
return(mg_glyph_outlines_from_font_info(context, fontInfo, glyphIndices));
}
void mg_codepoints_outlines(mg_canvas handle, str32 codePoints)
{
mg_canvas_data* context = mg_canvas_ptr_from_handle(handle);
if(!context)
{
return;
}
mg_font_info* fontInfo = mg_get_font_info(context->attributes.font);
if(!fontInfo)
{
return;
}
str32 glyphIndices = mg_font_push_glyph_indices(context->attributes.font, mem_scratch(), codePoints);
mg_glyph_outlines_from_font_info(context, fontInfo, glyphIndices);
}
void mg_text_outlines(mg_canvas handle, str8 text)
{
mg_canvas_data* context = mg_canvas_ptr_from_handle(handle);

5
src/graphics.h
View File

@ -115,13 +115,15 @@ void mg_stream_append(mg_canvas context, mg_stream stream);
//------------------------------------------------------------------------------------------
//NOTE(martin): fonts management
//------------------------------------------------------------------------------------------
mg_font mg_font_nil();
mg_font mg_font_create_from_memory(u32 size, byte* buffer, u32 rangeCount, unicode_range* ranges);
void mg_font_destroy(mg_font font);
//NOTE(martin): the following int valued functions return -1 if font is invalid or codepoint is not present in font//
//TODO(martin): add enum error codes
int mg_font_get_extents(mg_font font, mg_font_extents* outExtents);
mg_font_extents mg_font_get_extents(mg_font font);
mg_font_extents mg_font_get_scaled_extents(mg_font font, f32 emSize);
f32 mg_font_get_scale_for_em_pixels(mg_font font, f32 emSize);
//NOTE(martin): if you need to process more than one codepoint, first convert your codepoints to glyph indices, then use the
@ -187,6 +189,7 @@ void mg_cubic_to(mg_canvas context, f32 x1, f32 y1, f32 x2, f32 y2, f32 x3, f32
void mg_close_path(mg_canvas context);
mp_rect mg_glyph_outlines(mg_canvas context, str32 glyphIndices);
void mg_codepoints_outlines(mg_canvas context, str32 string);
void mg_text_outlines(mg_canvas context, str8 string);
//------------------------------------------------------------------------------------------

37
src/metal_shader.metal
View File

@ -101,12 +101,12 @@ kernel void TileKernel(const device float4* boxArray [[buffer(0)]],
constant vector_uint2* viewport [[buffer(3)]],
uint gid [[thread_position_in_grid]])
{
uint2 tilesMatrixDim = (*viewport + RENDERER_TILE_SIZE - 1) / RENDERER_TILE_SIZE;
uint2 tilesMatrixDim = (*viewport - 1) / RENDERER_TILE_SIZE + 1;
uint nTilesX = tilesMatrixDim.x;
uint nTilesY = tilesMatrixDim.y;
uint triangleIndex = gid;
uint4 box = uint4(floor(boxArray[triangleIndex]/RENDERER_TILE_SIZE));
uint4 box = uint4(floor(boxArray[triangleIndex]))/RENDERER_TILE_SIZE;
uint xMin = max((uint)0, box.x);
uint yMin = max((uint)0, box.y);
uint xMax = min(box.z, nTilesX-1);
@ -185,15 +185,39 @@ kernel void RenderKernel(texture2d<float, access::write> outTexture [[texture(0)
uint2 gridSize [[threads_per_grid]])
{
//TODO: guard against thread group size not equal to tile size?
const uint2 tilesMatrixDim = (gridSize + RENDERER_TILE_SIZE - 1) / RENDERER_TILE_SIZE;
const uint2 tilePos = tgid * threadsPerThreadgroup / RENDERER_TILE_SIZE;
const uint2 tilesMatrixDim = (gridSize - 1) / RENDERER_TILE_SIZE + 1;
// const uint2 tilePos = tgid * threadsPerThreadgroup / RENDERER_TILE_SIZE;
const uint2 tilePos = gid/RENDERER_TILE_SIZE;
const uint tileIndex = tilePos.y * tilesMatrixDim.x + tilePos.x;
const device uint* tileBuffer = tilesArray + tileIndex * RENDERER_TILE_BUFFER_SIZE;
const uint tileBufferSize = tileCounters[tileIndex];
//#define RENDERER_DEBUG_TILES
#ifdef RENDERER_DEBUG_TILES
//NOTE(martin): color code debug values and show the tile grid
uint nTileX = tilesMatrixDim.x;
uint nTileY = tilesMatrixDim.y;
if(tilePos.x == 2 && tilePos.y == 12)
{
outTexture.write(float4(1, 0.5, 1, 1), gid);
return;
}
if(nTileY != 13 || nTileX != 13)
{
outTexture.write(float4(1, 1, 0, 1), gid);
return;
}
if(tilePos.x > nTileX || tilePos.y > nTileY)
{
outTexture.write(float4(0, 1, 1, 1), gid);
return;
}
if((gid.x % RENDERER_TILE_SIZE == 0) || (gid.y % RENDERER_TILE_SIZE == 0))
{
outTexture.write(float4(0, 0, 0, 1), gid);
@ -204,6 +228,11 @@ kernel void RenderKernel(texture2d<float, access::write> outTexture [[texture(0)
outTexture.write(float4(0, 1, 0, 1), gid);
return;
}
else
{
outTexture.write(float4(1, 0, 0, 1), gid);
return;
}
#endif
const float2 sampleOffsets[6] = { float2(5./12, 5./12),
float2(-3./12, 3./12),

5
src/osx_app.mm
View File

@ -592,10 +592,7 @@ static void mp_update_key_state(mp_key_state* key, bool down)
key->lastUpdate = frameCounter;
}
if(key->down != down)
{
key->transitionCounter++;
}
key->down = down;
}
@ -630,6 +627,8 @@ static void mp_update_mouse_wheel(f32 deltaX, f32 deltaY)
static void mp_update_text(utf32 codepoint)
{
printf("update text\n");
u64 frameCounter = __mpAppData.inputState.frameCounter;
mp_text_state* text = &__mpAppData.inputState.text;

122
src/ui.c
View File

@ -564,6 +564,12 @@ ui_box* ui_box_end()
return(box);
}
void ui_box_set_render_proc(ui_box* box, ui_box_render_proc proc, void* data)
{
box->renderProc = proc;
box->renderData = data;
}
void ui_box_set_layout(ui_box* box, ui_axis axis, ui_align alignX, ui_align alignY)
{
box->layout = (ui_layout){axis, {alignX, alignY}};
@ -716,7 +722,7 @@ void ui_layout_prepass(ui_context* ui, ui_box* box)
if(size.kind == UI_SIZE_TEXT)
{
box->rect.c[2+i] = textBox.c[2+i];
box->rect.c[2+i] = textBox.c[2+i] + desiredSize[i].value*2;
}
else if(size.kind == UI_SIZE_PIXELS)
{
@ -793,7 +799,7 @@ void ui_layout_downward_dependent_size(ui_context* ui, ui_box* box, int axis)
ui_size* size = &box->computedStyle.size[axis];
if(size->kind == UI_SIZE_CHILDREN)
{
box->rect.c[2+axis] = sum;
box->rect.c[2+axis] = sum + size->value*2;
}
}
@ -980,6 +986,11 @@ void ui_draw_box(mg_canvas canvas, ui_box* box)
mg_fill(canvas);
}
if((box->flags & UI_FLAG_DRAW_RENDER_PROC) && box->renderProc)
{
box->renderProc(canvas, box, box->renderData);
}
if(box->flags & UI_FLAG_CLIP)
{
mg_clip_pop(canvas);
@ -1284,7 +1295,7 @@ ui_box* ui_scrollbar(const char* label, f32 thumbRatio, f32* scrollValue)
return(frame);
}
void ui_panel_begin(const char* name)
ui_box* ui_panel_begin(const char* name)
{
ui_flags panelFlags = UI_FLAG_DRAW_BACKGROUND
| UI_FLAG_DRAW_BORDER
@ -1293,6 +1304,8 @@ void ui_panel_begin(const char* name)
ui_box* panel = ui_box_begin(name, panelFlags);
ui_box* innerView = ui_box_begin(name, 0);
return(panel);
}
void ui_panel_end()
@ -1799,6 +1812,51 @@ str32 ui_edit_perform_operation(ui_context* ui, ui_edit_op operation, ui_edit_mo
return(codepoints);
}
void ui_text_box_render(mg_canvas canvas, ui_box* box, void* data)
{
str32 codepoints = *(str32*)data;
ui_context* ui = ui_get_context();
u32 firstDisplayedChar = 0;
if(ui_box_active(box))
{
firstDisplayedChar = ui->editFirstDisplayedChar;
}
ui_style* style = &box->computedStyle;
mg_font_extents extents = mg_font_get_scaled_extents(style->font, style->fontSize);
f32 lineHeight = extents.ascent + extents.descent;
str32 before = str32_slice(codepoints, 0, firstDisplayedChar);
mp_rect beforeBox = mg_text_bounding_box_utf32(style->font, style->fontSize, before);
f32 textMargin = 5;
f32 textX = textMargin + box->rect.x - beforeBox.w;
f32 textTop = box->rect.y + 0.5*(box->rect.h - lineHeight);
f32 textY = textTop + extents.ascent ;
if(box->active && !((u64)(2*(ui->frameTime - ui->editCursorBlinkStart)) & 1))
{
str32 beforeCaret = str32_slice(codepoints, 0, ui->editCursor);
mp_rect beforeCaretBox = mg_text_bounding_box_utf32(style->font, style->fontSize, beforeCaret);
f32 caretX = box->rect.x + textMargin - beforeBox.w + beforeCaretBox.w;
f32 caretY = textTop;
mg_set_color_rgba(canvas, 0, 0, 0, 1);
mg_rectangle_fill(canvas, caretX, caretY, 2, lineHeight);
}
mg_set_font(canvas, style->font);
mg_set_font_size(canvas, style->fontSize);
mg_set_color(canvas, style->fontColor);
mg_move_to(canvas, textX, textY);
mg_codepoints_outlines(canvas, codepoints);
mg_fill(canvas);
}
ui_text_box_result ui_text_box(const char* name, mem_arena* arena, str8 text)
{
ui_context* ui = ui_get_context();
@ -1809,18 +1867,13 @@ ui_text_box_result ui_text_box(const char* name, mem_arena* arena, str8 text)
| UI_FLAG_DRAW_BACKGROUND
| UI_FLAG_DRAW_BORDER
| UI_FLAG_CLIP
| UI_FLAG_DRAW_RENDER_PROC
| UI_FLAG_SCROLLABLE;
ui_box* frame = ui_box_make(name, frameFlags);
ui_box_set_layout(frame, UI_AXIS_X, UI_ALIGN_START, UI_ALIGN_CENTER);
ui_box_push(frame);
ui_flags contentsFlags = UI_FLAG_DRAW_TEXT;
ui_box* contents = ui_box_make_str8(text, contentsFlags);
ui_box_set_size(contents, UI_AXIS_X, UI_SIZE_TEXT, 0, 1);
ui_box_set_size(contents, UI_AXIS_Y, UI_SIZE_PARENT_RATIO, 1, 1);
ui_style* style = &frame->computedStyle;
mg_font_extents extents = mg_font_get_scaled_extents(style->font, style->fontSize);
ui_box_set_size(frame, UI_AXIS_Y, UI_SIZE_PIXELS, extents.ascent+extents.descent+10, 1);
ui_sig sig = ui_box_sig(frame);
@ -1865,7 +1918,6 @@ ui_text_box_result ui_text_box(const char* name, mem_arena* arena, str8 text)
if(ui_box_active(frame))
{
str32 codepoints = utf8_push_to_codepoints(&ui->frameArena, text);
ui->editCursor = Clamp(ui->editCursor, 0, codepoints.len);
ui->editMark = Clamp(ui->editMark, 0, codepoints.len);
@ -1873,9 +1925,8 @@ ui_text_box_result ui_text_box(const char* name, mem_arena* arena, str8 text)
str32 input = mp_input_text_utf32(&ui->frameArena);
if(input.len)
{
printf("text edit got input\n");
codepoints = ui_edit_replace_selection_with_codepoints(ui, codepoints, input);
ui->editCursorBlinkStart = ui->frameTime;
}
//NOTE handle shortcuts
@ -1891,27 +1942,30 @@ ui_text_box_result ui_text_box(const char* name, mem_arena* arena, str8 text)
}
}
result.text = utf8_push_from_codepoints(arena, codepoints);
contents->string = str8_push_copy(&ui->frameArena, result.text);
//NOTE slide contents
//NOTE position caret
str32 displayedBeforeCaret = str32_slice(codepoints, ui->editFirstDisplayedChar, ui->editCursor);
ui_style* style = &contents->computedStyle;
mp_rect extents = mg_text_bounding_box_utf32(style->font, style->fontSize, displayedBeforeCaret);
ui_push_fg_color((mg_color){0, 0, 0, 1});
ui_box* caret = ui_box_make("caret", UI_FLAG_DRAW_FOREGROUND);
ui_box_set_size(caret, UI_AXIS_X, UI_SIZE_PIXELS, 2, 1);
ui_box_set_size(caret, UI_AXIS_Y, UI_SIZE_PARENT_RATIO, 0.9, 1);
ui_box_set_floating(caret, UI_AXIS_X, extents.x + extents.w);
ui_pop_fg_color();
//NOTE(martin): text box focus shortcuts
if(mp_input_key_pressed(MP_KEY_ENTER))
{
//TODO(martin): extract in gui_edit_complete() (and use below)
ui_box_deactivate(frame);
ui->focus = 0;
}
ui_box_pop();
result.text = utf8_push_from_codepoints(arena, codepoints);
//TODO slide contents
//NOTE: set renderer
str32* renderCodepoints = mem_arena_alloc_type(&ui->frameArena, str32);
*renderCodepoints = str32_push_copy(&ui->frameArena, codepoints);
ui_box_set_render_proc(frame, ui_text_box_render, renderCodepoints);
}
else
{
//NOTE: set renderer
str32* renderCodepoints = mem_arena_alloc_type(&ui->frameArena, str32);
*renderCodepoints = utf8_push_to_codepoints(&ui->frameArena, text);
ui_box_set_render_proc(frame, ui_text_box_render, renderCodepoints);
}
return(result);
}

18
src/ui.h
View File

@ -29,6 +29,7 @@ typedef enum
UI_FLAG_DRAW_FOREGROUND = (1<<7),
UI_FLAG_DRAW_BORDER = (1<<8),
UI_FLAG_DRAW_TEXT = (1<<9),
UI_FLAG_DRAW_RENDER_PROC = (1<<10),
} ui_flags;
@ -118,6 +119,8 @@ typedef struct ui_sig
} ui_sig;
typedef void(*ui_box_render_proc)(mg_canvas canvas, ui_box* box, void* data);
struct ui_box
{
// hierarchy
@ -135,6 +138,9 @@ struct ui_box
str8 string;
// styling and layout
ui_box_render_proc renderProc;
void* renderData;
ui_style_tag tag;
ui_style* targetStyle;
ui_style computedStyle;
@ -173,6 +179,12 @@ ui_box* ui_box_begin_str8(str8 string, ui_flags flags);
ui_box* ui_box_end();
#define ui_container(name, flags) defer_loop(ui_box_begin(name, flags), ui_box_end())
void ui_box_push(ui_box* box);
void ui_box_pop();
ui_box* ui_box_top();
void ui_box_set_render_proc(ui_box* box, ui_box_render_proc proc, void* data);
void ui_box_set_layout(ui_box* box, ui_axis axis, ui_align alignX, ui_align alignY);
void ui_box_set_size(ui_box* box, ui_axis axis, ui_size_kind kind, f32 value, f32 strictness);
void ui_box_set_floating(ui_box* box, ui_axis axis, f32 pos);
@ -193,6 +205,7 @@ void ui_push_font_color(mg_color color);
void ui_push_border_size(f32 size);
void ui_push_border_color(mg_color color);
void ui_push_roundness(f32 roundness);
void ui_push_animation_time(f32 time);
void ui_push_bg_color_ext(ui_style_tag tag, ui_style_selector selector, mg_color color);
void ui_push_fg_color_ext(ui_style_tag tag, ui_style_selector selector, mg_color color);
@ -202,6 +215,7 @@ void ui_push_font_color_ext(ui_style_tag tag, ui_style_selector selector, mg_col
void ui_push_border_size_ext(ui_style_tag tag, ui_style_selector selector, f32 size);
void ui_push_border_color_ext(ui_style_tag tag, ui_style_selector selector, mg_color color);
void ui_push_roundness_ext(ui_style_tag tag, ui_style_selector selector, f32 roundness);
void ui_push_animation_time_ext(ui_style_tag tag, ui_style_selector selector, f32 time);
void ui_pop_bg_color();
void ui_pop_fg_color();
@ -211,7 +225,7 @@ void ui_pop_font_color();
void ui_pop_border_size();
void ui_pop_border_color();
void ui_pop_roundness();
void ui_pop_animation_time();
// Basic helpers
enum {
@ -228,7 +242,7 @@ ui_sig ui_label(const char* label);
ui_sig ui_button(const char* label);
ui_box* ui_scrollbar(const char* label, f32 thumbRatio, f32* scrollValue);
void ui_panel_begin(const char* name);
ui_box* ui_panel_begin(const char* name);
void ui_panel_end();
#define ui_panel(name) defer_loop(ui_panel_begin(name), ui_panel_end())