tequilaOS/platform_hardware_interfaces
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Modifies EVS shader programs

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This CL modifies EVS shader programs of the default EVS HAL
implementation, to make it compatible with OpenGL ES 2.0.

Bug: 240306544
Test: Run EVS applications on cuttlefish
Change-Id: I519a07251e2fd32380fe340739972514bd5bf65b
This commit is contained in:
Changyeon Jo 2022-07-26 21:17:26 -07:00
parent 8bfa197e89
commit 55217072ec
1 changed files with 19 additions and 21 deletions
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20
automotive/evs/1.1/default/GlWrapper.cpp
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@ -37,11 +37,9 @@ constexpr float kDefaultColorInRgba[] = {0.1f, 0.5f, 0.1f, 1.0f};
constexpr float kDisplayAreaRatio = 0.8f;
constexpr const char vertexShaderSource[] =
""
"#version 300 es \n"
"layout(location = 0) in vec4 pos; \n"
"layout(location = 1) in vec2 tex; \n"
"out vec2 uv; \n"
"attribute vec4 pos; \n"
"attribute vec2 tex; \n"
"varying vec2 uv; \n"
"void main() \n"
"{ \n"
" gl_Position = pos; \n"
@ -49,15 +47,12 @@ constexpr const char vertexShaderSource[] =
"} \n";
constexpr const char pixelShaderSource[] =
"#version 300 es \n"
"precision mediump float; \n"
"uniform sampler2D tex; \n"
"in vec2 uv; \n"
"out vec4 color; \n"
"varying vec2 uv; \n"
"void main() \n"
"{ \n"
" vec4 texel = texture(tex, uv); \n"
" color = texel; \n"
" gl_FragColor = texture2D(tex, uv); \n"
"} \n";
const char* getEGLError(void) {
@ -157,6 +152,9 @@ GLuint buildShaderProgram(const char* vtxSrc, const char* pxlSrc) {
glAttachShader(program, vertexShader);
glAttachShader(program, pixelShader);
glBindAttribLocation(program, 0, "pos");
glBindAttribLocation(program, 1, "tex");
// Link the program
glLinkProgram(program);
GLint linked = 0;
@ -235,7 +233,7 @@ bool GlWrapper::initialize(const sp<IAutomotiveDisplayProxyService>& service, ui
return false;
}
EGLint major = 3;
EGLint major = 2;
EGLint minor = 0;
if (!eglInitialize(mDisplay, &major, &minor)) {
LOG(ERROR) << "Failed to initialize EGL: " << getEGLError();