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detach shaders and delete program

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This commit is contained in:
FunkyFr3sh 2018-05-09 05:41:58 +02:00
parent b053bc377e
commit d55a025ee2
2 changed files with 13 additions and 7 deletions
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7
src/opengl.c
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@ -130,7 +130,7 @@ BOOL OpenGL_ExtExists(char *ext)
GLuint OpenGL_BuildProgram(const GLchar **vertSource, const GLchar **fragSource)
{
if (!glCreateShader || !glShaderSource || !glCompileShader || !glCreateProgram ||
!glAttachShader || !glLinkProgram || !glUseProgram)
!glAttachShader || !glLinkProgram || !glUseProgram || !glDetachShader)
return 0;
GLuint vertShader = glCreateShader(GL_VERTEX_SHADER);
@ -178,6 +178,11 @@ GLuint OpenGL_BuildProgram(const GLchar **vertSource, const GLchar **fragSource)
glLinkProgram(program);
glDetachShader(program, vertShader);
glDetachShader(program, fragShader);
glDeleteShader(vertShader);
glDeleteShader(fragShader);
if (glGetProgramiv)
{
GLint isLinked = 0;

13
src/render.c
View File

@ -46,10 +46,6 @@ const GLchar *PaletteFragShaderSrc =
"}\n";
GLuint SurfaceTexId, PaletteTexId;
GLint SurfaceUniLoc, PaletteUniLoc;
GLuint PaletteConvProgram;
BOOL detect_cutscene();
DWORD WINAPI render_main(void)
@ -86,10 +82,10 @@ DWORD WINAPI render_main(void)
int tex_size = tex_width * tex_height * sizeof(int);
int *tex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, tex_size);
if (!PaletteConvProgram)
PaletteConvProgram = OpenGL_BuildProgram(&PaletteVertShaderSrc, &PaletteFragShaderSrc);
GLuint PaletteConvProgram = OpenGL_BuildProgram(&PaletteVertShaderSrc, &PaletteFragShaderSrc);
// primary surface texture
GLuint SurfaceTexId = 0;
glGenTextures(1, &SurfaceTexId);
glBindTexture(GL_TEXTURE_2D, SurfaceTexId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@ -101,6 +97,7 @@ DWORD WINAPI render_main(void)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tex_width, tex_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, tex);
// palette texture
GLuint PaletteTexId = 0;
glGenTextures(1, &PaletteTexId);
glBindTexture(GL_TEXTURE_2D, PaletteTexId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@ -115,6 +112,7 @@ DWORD WINAPI render_main(void)
glBindTexture(GL_TEXTURE_2D, 0);
GLint SurfaceUniLoc = 0, PaletteUniLoc = 0;
if (PaletteConvProgram)
{
glUseProgram(PaletteConvProgram);
@ -237,6 +235,9 @@ DWORD WINAPI render_main(void)
glDeleteTextures(1, &SurfaceTexId);
glDeleteTextures(1, &PaletteTexId);
if (PaletteConvProgram && glDeleteProgram)
glDeleteProgram(PaletteConvProgram);
wglMakeCurrent(NULL, NULL);
wglDeleteContext(hRC);