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Fix wrong alpha blending for datablock preview icons.

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This commit is contained in:
Brecht Van Lommel
2019-01-02 20:10:48 +01:00
parent 017573495e
commit 7e7657da29
2 changed files with 7 additions and 5 deletions
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5
source/blender/editors/interface/interface_icons.c
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@@ -1602,9 +1602,8 @@ static void icon_draw_size(
/* no create icon on this level in code */
if (!pi->rect[size]) return; /* something has gone wrong! */
/* preview images use premul alpha ... */
GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
/* Preview images use premultiplied alpha. */
GPU_blend_set_func_separate(GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
icon_draw_rect(x, y, w, h, aspect, pi->w[size], pi->h[size], pi->rect[size], alpha, rgb, desaturate);
GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
}

7
source/blender/editors/space_file/file_draw.c
View File

@@ -378,8 +378,6 @@ static void file_draw_preview(
xco = sx + (int)dx;
yco = sy - layout->prv_h + (int)dy;
GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
/* shadow */
if (use_dropshadow) {
UI_draw_box_shadow(220, (float)xco, (float)yco, (float)(xco + ex), (float)(yco + ey));
@@ -392,10 +390,15 @@ static void file_draw_preview(
UI_GetThemeColor4fv(TH_TEXT, col);
}
/* Preview images use premultiplied alpha. */
GPU_blend_set_func_separate(GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
IMMDrawPixelsTexState state = immDrawPixelsTexSetup(GPU_SHADER_2D_IMAGE_COLOR);
immDrawPixelsTexScaled(&state, (float)xco, (float)yco, imb->x, imb->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_NEAREST, imb->rect,
scale, scale, 1.0f, 1.0f, col);
GPU_blend_set_func_separate(GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
if (icon) {
UI_icon_draw_aspect((float)xco, (float)yco, icon, icon_aspect, 1.0f, NULL);
}