forks
/
arsd
mirror of https://github.com/adamdruppe/arsd.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

NanoVega: no more `texelFetch()` in GLSL

This commit is contained in:
Ketmar Dark 2018-03-06 20:58:30 +02:00 committed by Adam D. Ruppe
parent 990e3fa055
commit 238eefa2c3
1 changed files with 15 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
nanovega.d
View File

@ -384,7 +384,7 @@ The following code illustrates the OpenGL state touched by the rendering code:
You can "untransform" picking coordinates before checking with [gpuUntransformPoint].
$(WARNING Picking API completely ignores clipping. If you want to check for
clip regions, you have to manuall register them as fill/stroke pathes,
clip regions, you have to manuall register them as fill/stroke paths,
and perform the necessary logic. See [hitTestForId] function.)
clipping =
@ -481,7 +481,7 @@ The following code illustrates the OpenGL state touched by the rendering code:
Calling [startRecording] without commiting or cancelling recoriding will commit.
$(WARNING Text output is not recorded now. Neither is scissor, so if you are using
scissoring or text in your pathes (UI, for example), things will not
scissoring or text in your paths (UI, for example), things will not
work as you may expect.)
*/
module arsd.nanovega;
@ -5750,7 +5750,7 @@ public int hitTestDG(bool bestOrder=false, DG) (NVGContext ctx, in float x, in f
int celly = nvg__clamp(cast(int)(y/ps.ydim), 0, levelwidth);
int npicked = 0;
// if we are interested only in most-toplevel path, there is no reason to check pathes with worser order.
// if we are interested only in most-toplevel path, there is no reason to check paths with worser order.
// but we cannot just get out on the first path found, 'cause we are using quad tree to speed up bounds
// checking, so path walking order is not guaranteed.
static if (bestOrder) {
@ -6398,7 +6398,7 @@ NVGpickPath* nvg__pickPathCreate (NVGContext context, const(float)[] acommands,
}
}
// force-close filled pathes
// force-close filled paths
if (psp !is null && !forStroke && hasPoints && !psp.closed) closeIt();
pp.flags = (forStroke ? NVGPathFlags.Stroke : NVGPathFlags.Fill);
@ -11914,9 +11914,11 @@ bool glnvg__allocFBO (GLNVGcontext* gl, int fidx, bool doclear=true) nothrow @tr
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glnvg__checkError(gl, "glnvg__allocFBO: glTexParameterf: GL_TEXTURE_WRAP_T");
//FIXME: linear or nearest?
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glnvg__checkError(gl, "glnvg__allocFBO: glTexParameterf: GL_TEXTURE_MIN_FILTER");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glnvg__checkError(gl, "glnvg__allocFBO: glTexParameterf: GL_TEXTURE_MAG_FILTER");
// empty texture
//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, gl.fboWidth, gl.fboHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, null);
@ -12195,6 +12197,7 @@ bool glnvg__renderCreate (void* uptr) nothrow @trusted @nogc {
uniform vec4 frag[UNIFORM_ARRAY_SIZE];
uniform sampler2D tex;
uniform sampler2D clipTex;
uniform vec2 viewSize;
varying vec2 ftcoord;
varying vec2 fpos;
#define scissorMat mat3(frag[0].xyz, frag[1].xyz, frag[2].xyz)
@ -12237,7 +12240,8 @@ bool glnvg__renderCreate (void* uptr) nothrow @trusted @nogc {
void main (void) {
// clipping
if (doclip != 0) {
vec4 clr = texelFetch(clipTex, ivec2(int(gl_FragCoord.x), int(gl_FragCoord.y)), 0);
/*vec4 clr = texelFetch(clipTex, ivec2(int(gl_FragCoord.x), int(gl_FragCoord.y)), 0);*/
vec4 clr = texture2D(clipTex, vec2(gl_FragCoord.x/viewSize.x, gl_FragCoord.y/viewSize.y));
if (clr.r == 0.0) discard;
}
float scissor = scissorMask(fpos);
@ -12311,6 +12315,7 @@ bool glnvg__renderCreate (void* uptr) nothrow @trusted @nogc {
};
enum clipFragShaderFill = q{
uniform vec2 viewSize;
void main (void) {
gl_FragColor = vec4(1, 1, 1, 1);
}
@ -12326,8 +12331,10 @@ bool glnvg__renderCreate (void* uptr) nothrow @trusted @nogc {
enum clipFragShaderCopy = q{
uniform sampler2D tex;
uniform vec2 viewSize;
void main (void) {
gl_FragColor = texelFetch(tex, ivec2(int(gl_FragCoord.x), int(gl_FragCoord.y)), 0);
//gl_FragColor = texelFetch(tex, ivec2(int(gl_FragCoord.x), int(gl_FragCoord.y)), 0);
gl_FragColor = texture2D(tex, vec2(gl_FragCoord.x/viewSize.x, gl_FragCoord.y/viewSize.y));
}
};