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用glsl渲染rgb 测试ok

master
a7458969 2020-05-26 09:06:30 +08:00
parent d3aff4e773
commit 8f9a31dc78
2 changed files with 24 additions and 9 deletions
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31
client/qt_gl_render/yuvgl/cplaywidget.cpp
View File

@ -32,13 +32,11 @@ void main(void) \
gl_FragColor = vec4(rgb, 1); \ gl_FragColor = vec4(rgb, 1); \
}"; }";
// rgb片段着色器源码 // rgb片段着色器源码
const char *fsrcrgb = "in vec3 ourColor; \ const char *fsrcrgb = "varying vec2 textureOut; \
in vec2 TexCoord; \
uniform sampler2D rgbdata; \ uniform sampler2D rgbdata; \
uniform float mixValue; \
void main() \ void main() \
{ \ { \
gl_FragColor = texture(rgbdata, TexCoord); \ gl_FragColor = texture(rgbdata, textureOut); \
}"; }";
void CPlayWidget::OnUpdateFrame() { void CPlayWidget::OnUpdateFrame() {
@ -181,7 +179,6 @@ void CPlayWidget::initializeGL()
if(!bCompile) if(!bCompile)
{ {
// todo 设置错误状态 // todo 设置错误状态
} }
#define PROGRAM_VERTEX_ATTRIBUTE 0 #define PROGRAM_VERTEX_ATTRIBUTE 0
#define PROGRAM_TEXCOORD_ATTRIBUTE 1 #define PROGRAM_TEXCOORD_ATTRIBUTE 1
@ -315,7 +312,15 @@ void CPlayWidget::resizeGL(int w, int h)
//使用来自y数据生成纹理 //使用来自y数据生成纹理
glBindTexture(GL_TEXTURE_2D, id_y); glBindTexture(GL_TEXTURE_2D, id_y);
//使用内存中m_pBufYuv420p数据创建真正的y数据纹理 //使用内存中m_pBufYuv420p数据创建真正的y数据纹理
glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, m_nVideoW, m_nVideoH, 0, GL_RED, GL_UNSIGNED_BYTE, m_pBufYuv420p); glTexImage2D(GL_TEXTURE_2D,
0,
GL_RED,
m_nVideoW,
m_nVideoH,
0,
GL_RED,
GL_UNSIGNED_BYTE,
m_pBufYuv420p);
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_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@ -323,7 +328,9 @@ void CPlayWidget::resizeGL(int w, int h)
//加载u数据纹理 //加载u数据纹理
glActiveTexture(GL_TEXTURE1);//激活纹理单元GL_TEXTURE1 glActiveTexture(GL_TEXTURE1);//激活纹理单元GL_TEXTURE1
glBindTexture(GL_TEXTURE_2D, id_u); glBindTexture(GL_TEXTURE_2D, id_u);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, m_nVideoW/2, glTexImage2D(GL_TEXTURE_2D,
0, GL_RED,
m_nVideoW/2,
m_nVideoH/2, m_nVideoH/2,
0, 0,
GL_RED, GL_RED,
@ -365,7 +372,15 @@ void CPlayWidget::resizeGL(int w, int h)
//使用来自y数据生成纹理 //使用来自y数据生成纹理
glBindTexture(GL_TEXTURE_2D, id_rgb); glBindTexture(GL_TEXTURE_2D, id_rgb);
//使用内存中m_pBufYuv420p数据创建真正的y数据纹理 //使用内存中m_pBufYuv420p数据创建真正的y数据纹理
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, m_nVideoW, m_nVideoH, 0, GL_RGB, GL_UNSIGNED_BYTE, m_pBufRgb32); glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
m_nVideoW,
m_nVideoH,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
m_pBufRgb32);
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_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);

2
client/qt_gl_render/yuvgl/main.cpp
View File

@ -13,7 +13,7 @@ int main(int argc, char *argv[])
QApplication a(argc, argv); QApplication a(argc, argv);
CPlayWidget gPlayer(nullptr); CPlayWidget gPlayer(nullptr);
gPlayer.SetDataType(CPlayWidget::IMG_TYPE::TYPE_RGB32); gPlayer.SetDataType(CPlayWidget::IMG_TYPE::TYPE_RGB32);
gPlayer.SetImgSize(1920,1080); gPlayer.SetImgSize(640,480);
gPlayer.show(); gPlayer.show();
Camera *gCam = Camera::GetInstance(); Camera *gCam = Camera::GetInstance();