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trying to fix OpenGL under virtualBox

This commit is contained in:
Vadim Lopatin 2015-11-16 13:05:47 +03:00
parent 4ca288209d
commit 6764ce322b
2 changed files with 42 additions and 9 deletions
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27
src/dlangui/graphics/glsupport.d
View File

@ -27,6 +27,22 @@ import std.conv;
import std.string; import std.string;
import std.array; import std.array;
derelict.util.exception.ShouldThrow gl3MissingSymFunc( string symName ) {
import std.algorithm : equal;
foreach(s; ["glGetError", "glShaderSource", "glCompileShader",
"glGetShaderiv", "glGetShaderInfoLog", "glGetString",
"glCreateProgram", "glUseProgram", "glDeleteProgram",
"glDeleteShader", "glEnable", "glDisable", "glBlendFunc",
"glUniformMatrix4fv", "glGetAttribLocation", "glGetUniformLocation",
"glGenVertexArrays", "glBindVertexArray", "glBufferData",
"glBindBuffer", "glBufferSubData"]) {
if (symName.equal(s)) // Symbol is used
return derelict.util.exception.ShouldThrow.Yes;
}
// Don't throw for unused symbol
return derelict.util.exception.ShouldThrow.No;
}
// utility function to fill 4-float array of vertex colors with converted CR 32bit color // utility function to fill 4-float array of vertex colors with converted CR 32bit color
private void LVGLFillColor(uint color, float * buf, int count) { private void LVGLFillColor(uint color, float * buf, int count) {
float r = ((color >> 16) & 255) / 255.0f; float r = ((color >> 16) & 255) / 255.0f;
@ -85,8 +101,11 @@ class GLProgram {
} }
private void compatibilityFixes(ref char[] code, GLuint type) { private void compatibilityFixes(ref char[] code, GLuint type) {
if (glslversionInt < 150) if (glslversionInt < 150) {
code = replace(code, " texture(", " texture2D("); code = replace(code, " texture(", " texture2D(");
code = replace(code, "in ", "");
code = replace(code, "out ", "");
}
} }
private GLuint compileShader(string src, GLuint type) { private GLuint compileShader(string src, GLuint type) {
@ -277,10 +296,16 @@ class SolidFillProgram : GLProgram {
matrixLocation = glGetUniformLocation(program, "matrix"); matrixLocation = glGetUniformLocation(program, "matrix");
checkError("glGetUniformLocation matrix"); checkError("glGetUniformLocation matrix");
if (matrixLocation == 0)
Log.e("glGetUniformLocation failed for matrixLocation");
vertexLocation = glGetAttribLocation(program, "vertex"); vertexLocation = glGetAttribLocation(program, "vertex");
checkError("glGetAttribLocation vertex"); checkError("glGetAttribLocation vertex");
if (vertexLocation == 0)
Log.e("glGetUniformLocation failed for vertexLocation");
colAttrLocation = glGetAttribLocation(program, "colAttr"); colAttrLocation = glGetAttribLocation(program, "colAttr");
checkError("glGetAttribLocation colAttr"); checkError("glGetAttribLocation colAttr");
if (colAttrLocation == 0)
Log.e("glGetUniformLocation failed for colAttrLocation");
return res && matrixLocation >= 0 && vertexLocation >= 0 && colAttrLocation >= 0; return res && matrixLocation >= 0 && vertexLocation >= 0 && colAttrLocation >= 0;
} }

12
src/dlangui/platforms/sdl/sdlapp.d
View File

@ -175,7 +175,8 @@ class SDLWindow : Window {
version(USE_OPENGL) { version(USE_OPENGL) {
if (_enableOpengl) { if (_enableOpengl) {
Log.i("Trying to create OpenGL 3.2 context"); Log.i("Trying to create OpenGL 3.2 context");
_context = SDL_GL_CreateContext(_win); // Create the actual context and make it current createContext(3, 2);
//_context = SDL_GL_CreateContext(_win); // Create the actual context and make it current
if (!_context) { if (!_context) {
Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError())); Log.e("SDL_GL_CreateContext failed: ", fromStringz(SDL_GetError()));
Log.w("trying other versions of OpenGL"); Log.w("trying other versions of OpenGL");
@ -190,11 +191,17 @@ class SDLWindow : Window {
} }
} }
if (_context && !_gl3Reloaded) { if (_context && !_gl3Reloaded) {
DerelictGL3.reload(); try {
DerelictGL3.missingSymbolCallback = &gl3MissingSymFunc;
DerelictGL3.reload(GLVersion.GL21, GLVersion.GL40);
_gl3Reloaded = true; _gl3Reloaded = true;
if (!glSupport.valid && !glSupport.initShaders()) if (!glSupport.valid && !glSupport.initShaders())
_enableOpengl = false; _enableOpengl = false;
fixSize(); fixSize();
} catch (derelict.util.exception.SymbolLoadException e) {
Log.e("Exception in DerelictGL3.reload ", e);
_enableOpengl = false;
}
} }
} }
} }
@ -1301,6 +1308,7 @@ int sdlmain(string[] args) {
version(USE_OPENGL) { version(USE_OPENGL) {
try { try {
DerelictGL3.missingSymbolCallback = &gl3MissingSymFunc;
DerelictGL3.load(); DerelictGL3.load();
_enableOpengl = true; _enableOpengl = true;
} catch (Exception e) { } catch (Exception e) {