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Merge pull request #419 from WebFreak001/nanovega-vao 

fix nanovega tainting the active VAO
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Adam D. Ruppe 2024-01-25 08:06:11 -05:00 committed by GitHub
parent 614e15fc9a 859913939f
commit df008ed820
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1 changed files with 6 additions and 0 deletions
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nanovega.d
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@ -12516,6 +12516,7 @@ struct GLNVGcontext {
int freetexid; // -1: none
int ntextures;
int ctextures;
GLuint vaoBuf;
GLuint vertBuf;
int fragSize;
int flags;
@ -13273,6 +13274,8 @@ bool glnvg__renderCreate (void* uptr) nothrow @trusted @nogc {
glnvg__getUniforms(&gl.shaderFillFBO);
glnvg__getUniforms(&gl.shaderCopyFBO);
// Create VAO (required for modern OpenGL compatibility)
glGenVertexArrays(1, &gl.vaoBuf);
// Create dynamic vertex array
glGenBuffers(1, &gl.vertBuf);
@ -14006,6 +14009,7 @@ void glnvg__renderFlush (void* uptr) nothrow @trusted @nogc {
}
glnvg__checkError(gl, "OpenGL setup");
glBindVertexArray(gl.vaoBuf);
// Upload vertex data
glBindBuffer(GL_ARRAY_BUFFER, gl.vertBuf);
// ensure that there's space for at least 4 vertices in case we need to draw a quad (e. g. framebuffer copy)
@ -14129,6 +14133,7 @@ void glnvg__renderFlush (void* uptr) nothrow @trusted @nogc {
glDisableVertexAttribArray(1);
glDisable(GL_CULL_FACE);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
glUseProgram(0);
glnvg__bindTexture(gl, 0);
}
@ -14407,6 +14412,7 @@ void glnvg__renderDelete (void* uptr) nothrow @trusted @nogc {
glnvg__deleteShader(&gl.shaderFillFBO);
glnvg__deleteShader(&gl.shaderCopyFBO);
if (gl.vaoBuf != 0) glDeleteVertexArrays(1, &gl.vaoBuf);
if (gl.vertBuf != 0) glDeleteBuffers(1, &gl.vertBuf);
foreach (ref GLNVGtexture tex; gl.textures[0..gl.ntextures]) {