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Introduced video double-buffering (so that the render buffer is no longer the same as the interim buffer) and made SDL (Hardware) auto-hint the renderer per the suggestion and code by Agetian.

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This commit is contained in:
OBattler
2019-12-06 03:50:54 +01:00
parent e9905a0806
commit 88b9978fae
10 changed files with 85 additions and 1161 deletions
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22
src/win/win_d2d.cpp
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@@ -8,7 +8,7 @@
*
* Rendering module for Microsoft Direct2D.
*
* Version: @(#)win_d2d.cpp 1.0.4 2019/10/12
* Version: @(#)win_d2d.cpp 1.0.5 2019/12/06
*
* Authors: David Hrdlička, <hrdlickadavid@outlook.com>
*
@@ -221,29 +221,23 @@ d2d_blit(int x, int y, int y1, int y2, int w, int h)
return;
}
if (buffer32 == NULL) {
if (render_buffer == NULL) {
video_blit_complete();
return;
}
// TODO: Copy data directly from buffer32 to d2d_bitmap
// TODO: Copy data directly from render_buffer to d2d_bitmap
srcdata = malloc(h * w * 4);
for (yy = y1; yy < y2; yy++)
{
if ((y + yy) >= 0 && (y + yy) < buffer32->h)
if ((y + yy) >= 0 && (y + yy) < render_buffer->h)
{
if (video_grayscale || invert_display)
video_transform_copy(
(uint32_t *) &(((uint8_t *)srcdata)[yy * w * 4]),
&(buffer32->line[y + yy][x]),
w);
else
memcpy(
(uint32_t *) &(((uint8_t *)srcdata)[yy * w * 4]),
&(buffer32->line[y + yy][x]),
w * 4);
memcpy(
(uint32_t *) &(((uint8_t *)srcdata)[yy * w * 4]),
&(render_buffer->line[y + yy][x]),
w * 4);
}
}