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exynos: remove G2D safety zone

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Extensive tests have shown that this is no longer necessary.
This commit is contained in:
Tobias Jakobi 2014-08-09 01:11:47 +02:00
parent 34e1b6921f
commit 2dcac8cbd4
1 changed files with 7 additions and 18 deletions
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25
gfx/exynos_gfx.c
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@ -45,11 +45,6 @@
extern void *memcpy_neon(void *dst, const void *src, size_t n); extern void *memcpy_neon(void *dst, const void *src, size_t n);
/* When scaling the G2D seems to need a small 'safety zone' towards the borders of *
* the destination buffer, otherwise leading to execution errors. This needs further *
* investigation, but for now we just stay 4 (= 8 / 2) pixels away from the border. */
static const unsigned g2d_safety_zone = 8;
/* We use two GEM buffers (main and aux) to handle 'data' from the frontend. */ /* We use two GEM buffers (main and aux) to handle 'data' from the frontend. */
enum exynos_buffer_type { enum exynos_buffer_type {
exynos_buffer_main = 0, exynos_buffer_main = 0,
@ -897,9 +892,6 @@ static void exynos_setup_scale(struct exynos_data *pdata, unsigned width,
} }
} }
w -= g2d_safety_zone;
h -= g2d_safety_zone;
pdata->blit_params[0] = (pdata->width - w) / 2; pdata->blit_params[0] = (pdata->width - w) / 2;
pdata->blit_params[1] = (pdata->height - h) / 2; pdata->blit_params[1] = (pdata->height - h) / 2;
pdata->blit_params[2] = w; pdata->blit_params[2] = w;
@ -912,13 +904,12 @@ static void exynos_setup_scale(struct exynos_data *pdata, unsigned width,
} }
static void exynos_set_fake_blit(struct exynos_data *pdata) { static void exynos_set_fake_blit(struct exynos_data *pdata) {
const unsigned offset = g2d_safety_zone / 2;
unsigned i; unsigned i;
pdata->blit_params[0] = offset; pdata->blit_params[0] = 0;
pdata->blit_params[1] = offset; pdata->blit_params[1] = 0;
pdata->blit_params[2] = pdata->width - offset; pdata->blit_params[2] = pdata->width;
pdata->blit_params[3] = pdata->height - offset; pdata->blit_params[3] = pdata->height;
for (i = 0; i < pdata->num_pages; ++i) for (i = 0; i < pdata->num_pages; ++i)
pdata->pages[i].clear = true; pdata->pages[i].clear = true;
@ -992,16 +983,14 @@ static int exynos_blend_menu(struct exynos_data *pdata,
static int exynos_blend_font(struct exynos_data *pdata) { static int exynos_blend_font(struct exynos_data *pdata) {
struct g2d_image *src = pdata->src[exynos_image_font]; struct g2d_image *src = pdata->src[exynos_image_font];
const unsigned offset = g2d_safety_zone / 2;
#if (EXYNOS_GFX_DEBUG_PERF == 1) #if (EXYNOS_GFX_DEBUG_PERF == 1)
perf_g2d(&pdata->perf, true); perf_g2d(&pdata->perf, true);
#endif #endif
if (g2d_scale_and_blend(pdata->g2d, src, pdata->dst, 0, 0, if (g2d_scale_and_blend(pdata->g2d, src, pdata->dst, 0, 0, src->width,
src->width, src->height, offset, src->height, 0, 0, pdata->width, pdata->height,
offset, pdata->width - offset, G2D_OP_INTERPOLATE) ||
pdata->height - offset, G2D_OP_INTERPOLATE) ||
g2d_exec(pdata->g2d)) { g2d_exec(pdata->g2d)) {
RARCH_ERR("video_exynos: failed to blend font\n"); RARCH_ERR("video_exynos: failed to blend font\n");
return -1; return -1;