EDA365电子论坛网

标题: qt opengl 渲染 yuv 在arm上显示时，出现如下错误，怎么回事，有大神解答一下吗？？？ [打印本页]

作者: adogpp 时间: 2019-7-1 16:28
标题: qt opengl 渲染 yuv 在arm上显示时，出现如下错误，怎么回事，有大神解答一下吗？？？

OpenGLShader::compile(Fragment): 0:2(24): error: attribute' variables may not be declared in the fragment shader
; L: I+ l: |1 K" z0:2(24): error: illegal type for a varying variable; `/ L* A7 T; y! O2 v
0:2(50): error:attribute' variables may not be declared in the fragment shader
. s% E: e& k { p5 B) `$ s9 k0:2(50): error: illegal type for a varying variable
# `6 l5 q% h: s- S; B& B1 ]: L5 k& ^0:2(107): error: `gl_Position' undeclared
, F5 Y* s9 g! ?. H$ Y' C% V0:2(117): error: type mismatch& Y& T8 n% F$ H1 M
0:2(141): error: type mismatch

*** Problematic Fragment shader source code ***
" i1 h& `: L4 ?: Q, |& _5 y9 `#define lowp; f9 H% g3 B" W% l* L5 s; l
#define mediump7 o% S( X+ U+ V: {5 @3 L) L
#define highp z+ N1 J' |* _5 ^$ [
#line 1
5 G/ _! n, B/ v8 q( lattribute vec4 vertexIn; attribute vec2 textureIn; varying vec2 textureOut; void main(void) { gl_Position = vertexIn; textureOut = textureIn; }

QOpenGLShader::compile(Vertex): 0:2(334): error: `gl_FragColor' undeclared1 u1 m3 z$ U9 T
0:2(334): error: value of type vec4 cannot be assigned to variable of type error

*** Problematic Vertex shader source code ***
% f- L3 \1 E) l) _$ [: k+ i#define lowp
+ V) Z3 A( B1 y5 a2 {6 m6 `& W#define mediump
' S K: z$ J3 E2 I' f2 v3 b#define highp5 L3 y. w; `- S6 P* O0 O3 O& P1 @
#line 16 y# B* M3 A* T2 c9 i
varying vec2 textureOut; uniform sampler2D tex_y; uniform sampler2D tex_uv; void main(void) { vec3 yuv; vec3 rgb; yuv.x = texture2D(tex_y, textureOut).r; yuv.y = texture2D(tex_uv, textureOut).r - 0.5; yuv.z = texture2D(tex_uv, textureOut).a - 0.5; rgb = mat3( 1, 1, 1, 0, -0.39465, 2.03211, 1.13983, -0.58060, 0) * yuv; gl_FragColor = vec4(rgb, 1); }

QOpenGLShader::link: "error: linking with uncompiled shadererror: linking with uncompiled shader"% Z8 t% G6 j( N. C5 u
QOpenGLShader::link: "error: linking with uncompiled shadererror: linking with uncompiled shader"
% Q2 d$ V5 @) e, Q: W8 x6 x8 RQOpenGLShaderProgram::uniformLocation( tex_y ): shader program is not linked
* ^ j6 Z( @, @; X/ C" tQOpenGLShaderProgram::uniformLocation( tex_uv ): shader program is not linked

作者: lupkpu9 时间: 2019-7-1 18:27
帮顶一下

欢迎光临 EDA365电子论坛网 (https://bbs.eda365.com/)