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gg: enable image transparency in gg.draw_image2 too

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This commit is contained in:
Delyan Angelov 2020-08-03 00:30:08 +03:00
parent a7ca1682c4
commit 0ac30a8d9c
2 changed files with 11 additions and 0 deletions
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10
vlib/gg/gg.v
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@ -58,6 +58,7 @@ pub mut:
height int height int
clear_pass C.sg_pass_action clear_pass C.sg_pass_action
window C.sapp_desc window C.sapp_desc
timage_pip C.sgl_pipeline
config Config config Config
ft &FT ft &FT
font_inited bool font_inited bool
@ -105,6 +106,14 @@ fn gg_init_sokol_window(user_data voidptr) {
// println('FT took ${time.ticks()-t} ms') // println('FT took ${time.ticks()-t} ms')
g.font_inited = true g.font_inited = true
} }
//
mut pipdesc := C.sg_pipeline_desc{}
unsafe { C.memset(&pipdesc, 0, sizeof(pipdesc)) }
pipdesc.blend.enabled = true
pipdesc.blend.src_factor_rgb = C.SG_BLENDFACTOR_SRC_ALPHA
pipdesc.blend.dst_factor_rgb = C.SG_BLENDFACTOR_ONE_MINUS_SRC_ALPHA
g.timage_pip = sgl.make_pipeline(&pipdesc)
//
if g.config.init_fn != voidptr(0) { if g.config.init_fn != voidptr(0) {
g.config.init_fn(g.config.user_data) g.config.init_fn(g.config.user_data)
} }
@ -335,6 +344,7 @@ pub fn (ctx &Context) draw_image2(x, y, width, height f32, img Image) {
x1 := f32(x + width) x1 := f32(x + width)
y1 := f32(y + height) y1 := f32(y + height)
// //
sgl.load_pipeline(ctx.timage_pip)
sgl.enable_texture() sgl.enable_texture()
sgl.texture(img.sokol_img) sgl.texture(img.sokol_img)
sgl.begin_quads() sgl.begin_quads()

1
vlib/sokol/gfx/gfx_structs.v
View File

@ -383,6 +383,7 @@ pub struct C.sg_stencil_state {
} }
pub struct C.sg_blend_state { pub struct C.sg_blend_state {
pub mut:
enabled bool enabled bool
src_factor_rgb BlendFactor src_factor_rgb BlendFactor
dst_factor_rgb BlendFactor dst_factor_rgb BlendFactor