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authorAndrei Karas <akaras@inbox.ru>2012-10-17 02:24:54 +0300
committerAndrei Karas <akaras@inbox.ru>2012-10-17 14:55:08 +0300
commit5a322df4da3102ae0c8d3bc3071386dc5f21e580 (patch)
tree4ca0cca3328baf7484074ad6e1cf9c5a9f9e3db0
parente6e36b25a696212f0262e3e5ef520543b1b3a58b (diff)
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Add OpenGL support for Android builds (partially).
-rwxr-xr-xconfigure.ac9
-rw-r--r--src/graphicsmanager.cpp10
-rw-r--r--src/graphicsmanager.h6
-rw-r--r--src/graphicsvertexes.h8
-rw-r--r--src/mgl.h17
-rw-r--r--src/normalopenglgraphics.cpp17
-rw-r--r--src/normalopenglgraphics.h8
-rw-r--r--src/resources/fboinfo.h5
-rw-r--r--src/resources/image.h6
-rw-r--r--src/resources/openglimagehelper.h11
-rw-r--r--src/resources/subimage.h11
-rw-r--r--src/safeopenglgraphics.cpp5
-rw-r--r--src/safeopenglgraphics.h7
13 files changed, 93 insertions, 27 deletions
diff --git a/configure.ac b/configure.ac
index a4e9f68f0..512f42dfa 100755
--- a/configure.ac
+++ b/configure.ac
@@ -152,8 +152,13 @@ if test "x$with_opengl" == "xno"; then
else
with_opengl=yes
if test "x$applebuild_enabled" == "xfalse"; then
- AC_CHECK_LIB([GL], [glBegin], ,
- AC_MSG_ERROR([ *** Unable to find OpenGL library]))
+
+ if test "x$androidbuild_enabled" == "xfalse"; then
+ AC_CHECK_LIB([GL], [glBegin], ,
+ AC_MSG_ERROR([ *** Unable to find OpenGL library]))
+ else
+ LDFLAGS="$LDFLAGS -lGLESv2 -lEGL"
+ fi
else
LDFLAGS="$LDFLAGS -framework OpenGL"
fi
diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index c69937073..a9efd8e13 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -21,11 +21,19 @@
#include "graphicsmanager.h"
#ifdef USE_OPENGL
+
#ifndef WIN32
+#ifdef ANDROID
+#include <GLES2/gl2.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+#else
#include "GL/glx.h"
#endif
#endif
+#endif
+
#include "configuration.h"
#include "graphics.h"
#include "graphicsvertexes.h"
@@ -53,6 +61,8 @@
#ifdef WIN32
#define getFunction(name) wglGetProcAddress(name)
+#elif ANDROID
+#define getFunction(name) eglGetProcAddress(name)
#else
#define getFunction(name) glXGetProcAddress(\
reinterpret_cast<const GLubyte*>(name))
diff --git a/src/graphicsmanager.h b/src/graphicsmanager.h
index b16c63fbf..53de59c46 100644
--- a/src/graphicsmanager.h
+++ b/src/graphicsmanager.h
@@ -24,6 +24,10 @@
#include "main.h"
#ifdef USE_OPENGL
+
+#ifdef ANDROID
+#include <GLES/gl.h>
+#else
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
// hack to hide warnings
@@ -31,6 +35,8 @@
#undef GL_GLEXT_PROTOTYPES
#endif
+#endif
+
#include <set>
#include <string>
diff --git a/src/graphicsvertexes.h b/src/graphicsvertexes.h
index 69d391864..789e9fd34 100644
--- a/src/graphicsvertexes.h
+++ b/src/graphicsvertexes.h
@@ -27,11 +27,15 @@
#include "localconsts.h"
#ifdef USE_OPENGL
-//#define NO_SDL_GLEXT
+
+#ifdef ANDROID
+#include <GLES/gl.h>
+#else
#define GL_GLEXT_PROTOTYPES 1
+#include <SDL/SDL_opengl.h>
+#endif
#include <SDL/SDL.h>
-#include <SDL/SDL_opengl.h>
#include "safeopenglgraphics.h"
#include "normalopenglgraphics.h"
diff --git a/src/mgl.h b/src/mgl.h
index e01ad6ec2..5050c5dea 100644
--- a/src/mgl.h
+++ b/src/mgl.h
@@ -24,10 +24,15 @@
#include "main.h"
#ifdef USE_OPENGL
+#ifdef ANDROID
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#define APIENTRY GL_APIENTRY
+#else
#define GL_GLEXT_PROTOTYPES 1
-
#include <SDL_opengl.h>
#include <GL/glext.h>
+#endif
#define GL_NUM_EXTENSIONS 0x821D
#define GL_DEPTH_ATTACHMENT 0x8D00
@@ -35,6 +40,16 @@
#define GL_FRAMEBUFFER 0x8D40
#define GL_RENDERBUFFER 0x8D41
+#ifndef GL_COMPRESSED_RGBA_ARB
+#define GL_COMPRESSED_RGBA_ARB 0x84EE
+#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
+#define GL_COMPRESSED_RGBA_FXT1_3DFX 0x86B1
+#endif
+#ifndef GL_MAX_ELEMENTS_VERTICES
+#define GL_MAX_ELEMENTS_VERTICES 0x80E8
+#define GL_MAX_ELEMENTS_INDICES 0x80E9
+#endif
+
#define defNameE(name) extern name##_t m##name
typedef void (APIENTRY *glGenRenderbuffers_t)(GLsizei, GLuint *);
diff --git a/src/normalopenglgraphics.cpp b/src/normalopenglgraphics.cpp
index 32175c05f..cc0e05b3f 100644
--- a/src/normalopenglgraphics.cpp
+++ b/src/normalopenglgraphics.cpp
@@ -40,11 +40,6 @@
#include "debug.h"
-#ifndef GL_TEXTURE_RECTANGLE_ARB
-#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
-#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
-#endif
-
GLuint NormalOpenGLGraphics::mLastImage = 0;
unsigned int vertexBufSize = 500;
@@ -949,8 +944,13 @@ void NormalOpenGLGraphics::_beginDraw()
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
+#ifdef ANDROID
+ glOrthof(0.0, static_cast<float>(mTarget->w),
+ static_cast<float>(mTarget->h), 0.0, -1.0, 1.0);
+#else
glOrtho(0.0, static_cast<double>(mTarget->w),
static_cast<double>(mTarget->h), 0.0, -1.0, 1.0);
+#endif
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
@@ -963,14 +963,15 @@ void NormalOpenGLGraphics::_beginDraw()
glEnableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+#ifndef ANDROID
glHint(GL_LINE_SMOOTH_HINT, GL_FASTEST);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
glHint(GL_POINT_SMOOTH_HINT, GL_FASTEST);
glHint(GL_POLYGON_SMOOTH_HINT, GL_FASTEST);
-
#ifndef __MINGW32__
glHint(GL_TEXTURE_COMPRESSION_HINT, GL_FASTEST);
#endif
+#endif
// glScalef(0.5f, 0.5f, 0.5f);
@@ -1093,9 +1094,13 @@ void NormalOpenGLGraphics::drawPoint(int x, int y)
setTexturingAndBlending(false);
restoreColor();
+#ifdef ANDROID
+ // TODO need fix
+#else
glBegin(GL_POINTS);
glVertex2i(x, y);
glEnd();
+#endif
}
void NormalOpenGLGraphics::drawLine(int x1, int y1, int x2, int y2)
diff --git a/src/normalopenglgraphics.h b/src/normalopenglgraphics.h
index b6a09728e..35bdf557e 100644
--- a/src/normalopenglgraphics.h
+++ b/src/normalopenglgraphics.h
@@ -31,11 +31,15 @@
#include "resources/fboinfo.h"
-//#define NO_SDL_GLEXT
+#ifdef ANDROID
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <GLES2/gl2.h>
+#else
#define GL_GLEXT_PROTOTYPES 1
-
#include <SDL_opengl.h>
#include <GL/glext.h>
+#endif
#include <set>
diff --git a/src/resources/fboinfo.h b/src/resources/fboinfo.h
index 54415e697..dcc76d435 100644
--- a/src/resources/fboinfo.h
+++ b/src/resources/fboinfo.h
@@ -28,8 +28,13 @@
#include "resources/fboinfo.h"
+#ifdef ANDROID
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#else
#include <SDL_opengl.h>
#include <GL/glext.h>
+#endif
struct FBOInfo final
{
diff --git a/src/resources/image.h b/src/resources/image.h
index 3752965bc..36404b2b1 100644
--- a/src/resources/image.h
+++ b/src/resources/image.h
@@ -37,10 +37,14 @@
* extensions anyway it's safe to just disable the SDL version.
*/
//#define NO_SDL_GLEXT
-#define GL_GLEXT_PROTOTYPES 1
+#ifdef ANDROID
+#include <GLES/gl.h>
+#else
+#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
#endif
+#endif
#include <map>
diff --git a/src/resources/openglimagehelper.h b/src/resources/openglimagehelper.h
index 02641f85f..b0428f58a 100644
--- a/src/resources/openglimagehelper.h
+++ b/src/resources/openglimagehelper.h
@@ -27,14 +27,25 @@
#include "main.h"
#ifdef USE_OPENGL
+
+#ifndef GL_TEXTURE_RECTANGLE_ARB
+#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
+#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
+#endif
+
#include "utils/stringvector.h"
#include "resources/imagehelper.h"
#include <SDL.h>
+#ifdef ANDROID
+#include <GLES/gl.h>
+#define GL_RGBA8 GL_RGBA8_OES
+#else
#define GL_GLEXT_PROTOTYPES 1
#include <SDL_opengl.h>
+#endif
class Dye;
class Image;
diff --git a/src/resources/subimage.h b/src/resources/subimage.h
index 47d8476cb..69e0debab 100644
--- a/src/resources/subimage.h
+++ b/src/resources/subimage.h
@@ -30,16 +30,15 @@
#ifdef USE_OPENGL
-/* The definition of OpenGL extensions by SDL is giving problems with recent
- * gl.h headers, since they also include these definitions. As we're not using
- * extensions anyway it's safe to just disable the SDL version.
- */
-//#define NO_SDL_GLEXT
+#ifdef ANDROID
+#include <GLES/gl.h>
+#else
#define GL_GLEXT_PROTOTYPES 1
-
#include <SDL_opengl.h>
#endif
+#endif
+
#include "resources/image.h"
/**
diff --git a/src/safeopenglgraphics.cpp b/src/safeopenglgraphics.cpp
index 78210b7f8..113a33baa 100644
--- a/src/safeopenglgraphics.cpp
+++ b/src/safeopenglgraphics.cpp
@@ -37,11 +37,6 @@
#include "debug.h"
-#ifndef GL_TEXTURE_RECTANGLE_ARB
-#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
-#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
-#endif
-
GLuint SafeOpenGLGraphics::mLastImage = 0;
SafeOpenGLGraphics::SafeOpenGLGraphics():
diff --git a/src/safeopenglgraphics.h b/src/safeopenglgraphics.h
index 44c15545f..81494d5bd 100644
--- a/src/safeopenglgraphics.h
+++ b/src/safeopenglgraphics.h
@@ -30,11 +30,14 @@
#include "resources/fboinfo.h"
-//#define NO_SDL_GLEXT
+#ifdef ANDROID
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#else
#define GL_GLEXT_PROTOTYPES 1
-
#include <SDL_opengl.h>
#include <GL/glext.h>
+#endif
class SafeOpenGLGraphics final : public Graphics
{