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aligned for vectorization commor primitives, uint32_t cast for color comparison in batch collection

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veclav talica
2024-07-28 22:17:53 +03:00
parent c9f4f85fce
commit 8846e788b2
3 changed files with 17 additions and 9 deletions
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8
src/rendering/sprites.h
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@ -15,6 +15,7 @@
/* interleaved vertex array data */
/* TODO: use int16_t for uvs */
/* TODO: use packed types? */
/* TODO: int16_t could be used for positioning, but we would need to have more CPU calcs */
struct sprite_primitive_payload {
/* upper-left */
@ -113,7 +114,7 @@ static struct sprite_batch {
.constant_colored = true,
};
const t_color uniform_color = primitives[0].sprite.color;
const uint32_t uniform_color = *(uint32_t *)&primitives[0].sprite.color;
/* batch size is clamped so that reallocated short indices could be used */
if (len >= QUAD_ELEMENT_BUFFER_LENGTH)
@ -136,10 +137,7 @@ static struct sprite_batch {
break;
/* if all are modulated the same we can skip sending the color data */
if (batch.constant_colored && (current->sprite.color.r != uniform_color.r ||
current->sprite.color.g != uniform_color.g ||
current->sprite.color.b != uniform_color.b ||
current->sprite.color.a != uniform_color.a ))
if (batch.constant_colored && *(uint32_t *)&current->sprite.color == uniform_color)
batch.constant_colored = false;
++batch.size;