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canvas: allow flushing externally built commands with mg_flush_commands()

This commit is contained in:
martinfouilleul 2023-02-08 10:46:12 +01:00
parent 2419ab7889
commit 38c27f21d6
2 changed files with 26 additions and 11 deletions
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30
src/graphics.c
View File

@ -2799,7 +2799,7 @@ void mg_flush_batch(mg_canvas_data* canvas)
canvas->indexCount = 0;
}
void mg_flush()
void mg_flush_commands(int primitiveCount, mg_primitive* primitives, mg_path_elt* pathElements)
{
mg_canvas_data* canvas = __mgCurrentCanvas;
if(!canvas)
@ -2809,8 +2809,6 @@ void mg_flush()
mg_color clearColor = {0, 0, 0, 1};
u32 count = canvas->primitiveCount;
u32 nextIndex = 0;
mg_reset_z_index(canvas);
@ -2822,14 +2820,14 @@ void mg_flush()
canvas->backend->begin(canvas->backend);
for(int i=0; i<count; i++)
for(int i=0; i<primitiveCount; i++)
{
if(nextIndex >= count)
if(nextIndex >= primitiveCount)
{
LOG_ERROR("invalid location '%i' in graphics command buffer would cause an overrun\n", nextIndex);
break;
}
mg_primitive* primitive = &(canvas->primitives[nextIndex]);
mg_primitive* primitive = &(primitives[nextIndex]);
nextIndex++;
if(i && primitive->attributes.image.h != currentImage.h)
@ -2853,7 +2851,7 @@ void mg_flush()
{
u32 zIndex = mg_next_shape(canvas, primitive->attributes.color);
mg_render_fill(canvas,
canvas->pathElements + primitive->path.startIndex,
pathElements + primitive->path.startIndex,
&primitive->path,
zIndex,
primitive->attributes.color);
@ -2862,7 +2860,7 @@ void mg_flush()
case MG_CMD_STROKE:
{
mg_render_stroke(canvas,
canvas->pathElements + primitive->path.startIndex,
pathElements + primitive->path.startIndex,
&primitive->path,
&primitive->attributes);
} break;
@ -2899,7 +2897,7 @@ void mg_flush()
//NOTE(martin): normal end of stream marker
goto exit_command_loop;
}
else if(primitive->jump >= count)
else if(primitive->jump >= primitiveCount)
{
LOG_ERROR("invalid jump location '%i' in graphics command buffer\n", primitive->jump);
goto exit_command_loop;
@ -2952,16 +2950,26 @@ void mg_flush()
canvas->backend->end(canvas->backend);
//NOTE(martin): clear buffers
canvas->primitiveCount = 0;
canvas->vertexCount = 0;
canvas->indexCount = 0;
}
void mg_flush()
{
mg_canvas_data* canvas = __mgCurrentCanvas;
if(!canvas)
{
return;
}
mg_flush_commands(canvas->primitiveCount, canvas->primitives, canvas->pathElements);
canvas->primitiveCount = 0;
canvas->path.startIndex = 0;
canvas->path.count = 0;
canvas->frameCounter++;
}
////////////////////////////////////////////////////////////
//------------------------------------------------------------------------------------------
//NOTE(martin): transform, viewport and clipping

7
todo.txt
View File

@ -15,7 +15,14 @@ Canvas renderer perf
[ ] Add surface scaling for high dpi surfaces
[ ] Allow setting swap interval
[ ] Fix resource loading path in examples (to load font relative to executable)
[ ] GL loader: allow using different GL versions (eg using a desktop GL surface and a GLES surface in the same app).
[ ] Clean up surface backend and canvas backend compile-time and run-time selections
[/] backport to GLES?
[ ] Ghostscript tiger stress test? -> need an svg loader, and a way to flush external command list
-----------
[.] Check changes in macos version