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bopti: fix bug in non-zero stride renders

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Forgot to take into account the number of layers in the input
stride. Anything after the first line would be pretty much
garbage.
This commit is contained in:
lephe 2019-08-06 16:17:25 +02:00
parent 2e17b77e56
commit ab0fa06a1d
1 changed files with 3 additions and 2 deletions
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5
src/render-fx/bopti.c
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@ -153,6 +153,7 @@ void bopti_render(image_t const *img, struct rbox *rbox, uint32_t *v1,
/* Number of layers per profile */
int layer_count[] = { 1, 2, 2, 3 };
int layers = layer_count[img->profile];
/* For each pair of consecutive VRAM elements involved, create a mask
from the intersection of the standard vram mask with the shift-mask
@ -180,7 +181,7 @@ void bopti_render(image_t const *img, struct rbox *rbox, uint32_t *v1,
/* Interwoven layer data. Skip left columns that are not rendered */
const uint32_t *layer = (void *)img->data;
layer += rbox->top * img_columns * layer_count[img->profile];
layer += rbox->top * img_columns * layers;
layer += rbox->left * layer_count[img->profile];
/* Number of grid columns */
@ -196,7 +197,7 @@ void bopti_render(image_t const *img, struct rbox *rbox, uint32_t *v1,
.masks = masks + 2 * left_origin,
.real_start = (left_origin > 0),
.vram_stride = 4 - columns,
.data_stride = (img_columns - columns) << 2,
.data_stride = ((img_columns - columns) << 2) * layers,
.gray = (v2 != NULL),
.asm_void = bopti_asm,
};