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Clamp colors to 0-1 range in tinydisplay

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This commit is contained in:
rdb 2015-08-20 21:04:32 +02:00
parent 7fa0d3c60a
commit a359ef8a0b
2 changed files with 21 additions and 17 deletions
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16
panda/src/tinydisplay/clip.cxx
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@ -42,14 +42,14 @@ void gl_transform_to_viewport(GLContext *c,GLVertex *v)
}
/* color */
v->zp.r=(int)(v->color.v[0] * (ZB_POINT_RED_MAX - ZB_POINT_RED_MIN)
+ ZB_POINT_RED_MIN);
v->zp.g=(int)(v->color.v[1] * (ZB_POINT_GREEN_MAX - ZB_POINT_GREEN_MIN)
+ ZB_POINT_GREEN_MIN);
v->zp.b=(int)(v->color.v[2] * (ZB_POINT_BLUE_MAX - ZB_POINT_BLUE_MIN)
+ ZB_POINT_BLUE_MIN);
v->zp.a=(int)(v->color.v[3] * (ZB_POINT_ALPHA_MAX - ZB_POINT_ALPHA_MIN)
+ ZB_POINT_ALPHA_MIN);
v->zp.r=min((int)(v->color.v[0] * (ZB_POINT_RED_MAX - ZB_POINT_RED_MIN))
+ ZB_POINT_RED_MIN, ZB_POINT_RED_MAX);
v->zp.g=min((int)(v->color.v[1] * (ZB_POINT_GREEN_MAX - ZB_POINT_GREEN_MIN))
+ ZB_POINT_GREEN_MIN, ZB_POINT_GREEN_MAX);
v->zp.b=min((int)(v->color.v[2] * (ZB_POINT_BLUE_MAX - ZB_POINT_BLUE_MIN))
+ ZB_POINT_BLUE_MIN, ZB_POINT_BLUE_MAX);
v->zp.a=min((int)(v->color.v[3] * (ZB_POINT_ALPHA_MAX - ZB_POINT_ALPHA_MIN))
+ ZB_POINT_ALPHA_MIN, ZB_POINT_ALPHA_MAX);
/* texture */
if (c->num_textures_enabled >= 1) {

20
panda/src/tinydisplay/tinyGraphicsStateGuardian.cxx
View File

@ -234,6 +234,7 @@ clear(DrawableRegion *clearable) {
PIXEL color = 0;
if (clearable->get_clear_color_active()) {
LColor v = clearable->get_clear_color();
v = v.fmin(LColor(1, 1, 1, 1)).fmax(LColor::zero());
if (_current_properties->get_srgb_color()) {
color = SRGBA_TO_PIXEL(
@ -697,10 +698,10 @@ begin_draw_primitives(const GeomPipelineReader *geom_reader,
if (!needs_color) {
const LColor &d = _scene_graph_color;
const LColor &s = _current_color_scale;
_c->current_color.v[0] = d[0] * s[0];
_c->current_color.v[1] = d[1] * s[1];
_c->current_color.v[2] = d[2] * s[2];
_c->current_color.v[3] = d[3] * s[3];
_c->current_color.v[0] = max(d[0] * s[0], (PN_stdfloat)0);
_c->current_color.v[1] = max(d[1] * s[1], (PN_stdfloat)0);
_c->current_color.v[2] = max(d[2] * s[2], (PN_stdfloat)0);
_c->current_color.v[3] = max(d[3] * s[3], (PN_stdfloat)0);
}
bool needs_normal = false;
@ -756,10 +757,10 @@ begin_draw_primitives(const GeomPipelineReader *geom_reader,
if (needs_color) {
const LColor &d = rcolor.get_data4();
const LColor &s = _current_color_scale;
_c->current_color.v[0] = d[0] * s[0];
_c->current_color.v[1] = d[1] * s[1];
_c->current_color.v[2] = d[2] * s[2];
_c->current_color.v[3] = d[3] * s[3];
_c->current_color.v[0] = max(d[0] * s[0], (PN_stdfloat)0);
_c->current_color.v[1] = max(d[1] * s[1], (PN_stdfloat)0);
_c->current_color.v[2] = max(d[2] * s[2], (PN_stdfloat)0);
_c->current_color.v[3] = max(d[3] * s[3], (PN_stdfloat)0);
if (_color_material_flags) {
if (_color_material_flags & CMF_ambient) {
@ -1414,6 +1415,7 @@ framebuffer_copy_to_texture(Texture *tex, int view, int z,
return false;
}
LColor border_color = tex->get_border_color();
border_color = border_color.fmin(LColor(1, 1, 1, 1)).fmax(LColor::zero());
gltex->border_color.v[0] = border_color[0];
gltex->border_color.v[1] = border_color[1];
gltex->border_color.v[2] = border_color[2];
@ -2565,6 +2567,7 @@ upload_texture(TinyTextureContext *gtc, bool force, bool uses_mipmaps) {
return false;
}
LColor border_color = tex->get_border_color();
border_color = border_color.fmin(LColor(1, 1, 1, 1)).fmax(LColor::zero());
gltex->border_color.v[0] = border_color[0];
gltex->border_color.v[1] = border_color[1];
gltex->border_color.v[2] = border_color[2];
@ -2681,6 +2684,7 @@ upload_simple_texture(TinyTextureContext *gtc) {
return false;
}
LColor border_color = tex->get_border_color();
border_color = border_color.fmin(LColor(1, 1, 1, 1)).fmax(LColor::zero());
gltex->border_color.v[0] = border_color[0];
gltex->border_color.v[1] = border_color[1];
gltex->border_color.v[2] = border_color[2];