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tests/vgem_fb_test: WIP: less writes

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This commit is contained in:
Tiago Vignatti 2015-07-20 17:10:25 -03:00
parent 1f937389fc
commit 768c0a133d
1 changed files with 5 additions and 4 deletions
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9
tests/vgem_fb_test.c
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@ -259,7 +259,7 @@ static void draw(struct context *ctx) {
size_t bo_stride = gbm_bo_get_stride(ctx->gbm_buffer[fb_idx]); size_t bo_stride = gbm_bo_get_stride(ctx->gbm_buffer[fb_idx]);
size_t bo_size = gbm_bo_get_stride(ctx->gbm_buffer[fb_idx]) * gbm_bo_get_height(ctx->gbm_buffer[fb_idx]); size_t bo_size = gbm_bo_get_stride(ctx->gbm_buffer[fb_idx]) * gbm_bo_get_height(ctx->gbm_buffer[fb_idx]);
uint32_t *bo_ptr; uint32_t *bo_ptr;
uint32_t *ptr; volatile uint32_t *ptr;
struct timeval start, end; struct timeval start, end;
for (sequence_subindex = 0; sequence_subindex < 4; sequence_subindex++) { for (sequence_subindex = 0; sequence_subindex < 4; sequence_subindex++) {
@ -293,11 +293,12 @@ static void draw(struct context *ctx) {
int x = ((char*)ptr - (char*)bo_ptr - bo_stride * y) / sizeof(*ptr); int x = ((char*)ptr - (char*)bo_ptr - bo_stride * y) / sizeof(*ptr);
x -= 100; x -= 100;
y -= 100; y -= 100;
*ptr = 0xff000000; int var = 0xff000000;
if (x * x + y * y < i * i) if (x * x + y * y < i * i)
*ptr |= (i % 0x100) << 8; var |= (i % 0x100) << 8;
else else
*ptr |= 0xff | (sequence_index * 64 << 16); var |= 0xff | (sequence_index * 64 << 16);
*ptr = var;
} }
break; break;