mirror of
https://github.com/mauiaaron/apple2.git
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126 lines
4.0 KiB
C
126 lines
4.0 KiB
C
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 2013-2015 Aaron Culliney
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*
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*/
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#ifndef _GLNODE_H_
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#define _GLNODE_H_
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#include "common.h"
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#include "video/video.h"
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#include "video_util/modelUtil.h"
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#include "video_util/matrixUtil.h"
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#include "video_util/sourceUtil.h"
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// TODO: implement 3D CRT object, possibly with perspective drawing?
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#define PERSPECTIVE 0
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#define PREF_PORTRAIT_HEIGHT_SCALE "portraitHeightScale"
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#define PREF_PORTRAIT_POSITION_SCALE "portraitPositionScale"
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enum {
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TEXTURE_ID_FRAMEBUFFER=0,
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TEXTURE_ID_MESSAGE,
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#if INTERFACE_TOUCH
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TEXTURE_ID_TOUCHJOY_AXIS,
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TEXTURE_ID_TOUCHJOY_BUTTON,
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TEXTURE_ID_TOUCHKBD,
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TEXTURE_ID_TOUCHMENU,
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#endif
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TEXTURE_ID_MAX,
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};
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enum {
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TEXTURE_ACTIVE_FRAMEBUFFER = GL_TEXTURE0,
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TEXTURE_ACTIVE_MESSAGE = GL_TEXTURE1,
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#if INTERFACE_TOUCH
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TEXTURE_ACTIVE_TOUCHJOY_AXIS = GL_TEXTURE2,
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TEXTURE_ACTIVE_TOUCHJOY_BUTTON = GL_TEXTURE3,
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TEXTURE_ACTIVE_TOUCHKBD = GL_TEXTURE4,
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TEXTURE_ACTIVE_TOUCHMENU = GL_TEXTURE5,
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#endif
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TEXTURE_ACTIVE_MAX,
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};
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// Important common shader values
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extern GLint texSamplerLoc;
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extern GLint alphaValue;
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extern GLuint mainShaderProgram;
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extern GLfloat mvpIdentity[16]; // Common Model View Projection matrix
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// http://stackoverflow.com/questions/13676070/how-to-properly-mix-drawing-calls-and-changes-of-a-sampler-value-with-a-single-s
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// https://developer.qualcomm.com/forum/qdevnet-forums/mobile-gaming-graphics-optimization-adreno/8896
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extern bool hackAroundBrokenAdreno200;
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extern bool hackAroundBrokenAdreno205;
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#define _HACKAROUND_GLDRAW_PRE() \
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({ \
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if (hackAroundBrokenAdreno200) { \
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glUseProgram(0); \
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glUseProgram(mainShaderProgram); \
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} \
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})
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#define _HACKAROUND_GLTEXIMAGE2D_PRE(ACTIVE, NAME) \
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({ \
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if (hackAroundBrokenAdreno205) { \
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/* Adreno 205 driver (HTC Desire) is even more broken than the 200! It appears that we must delete and recreate textures every time we upload new pixels! */ \
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glBindTexture(GL_TEXTURE_2D, 0); \
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glDeleteTextures(1, &(NAME)); \
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glGenTextures(1, &(NAME)); \
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glActiveTexture((ACTIVE)); \
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glBindTexture(GL_TEXTURE_2D, (NAME)); \
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/* HACK NOTE : these should match what is (currently hardcoded) in modelUtil.c */ \
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); \
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); \
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); \
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); \
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1); \
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} \
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})
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#if INTERFACE_TOUCH
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# define TRACKING_NONE (-1)
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#endif
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typedef enum glnode_render_order_t {
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RENDER_BOTTOM=0, // e.g., the //e framebuffer node itself
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RENDER_LOW =1, // e.g., the touchjoy and touchkbd
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RENDER_MIDDLE=10, // e.g., floating messages
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RENDER_TOP =20, // e.g., the HUD menu items
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} glnode_render_order_t;
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// renderable and potentially interactive node
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typedef struct GLNode {
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void (*setup)(void);
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void (*shutdown)(void);
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void (*render)(void);
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#if INTERFACE_TOUCH
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interface_device_t type;
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int64_t (*onTouchEvent)(interface_touch_event_t action, int pointer_count, int pointer_idx, float *x_coords, float *y_coords);
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#endif
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} GLNode;
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// registers a node with manager
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void glnode_registerNode(glnode_render_order_t order, GLNode node);
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// swizzle width/height if they don't match landscape/portrait
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static void inline swizzleDimensions(int *w, int *h, bool landscape) {
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if ( (landscape && (*w < *h)) || (!landscape && (*w > *h)) ) {
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int x = *w;
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*w = *h;
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*h = x;
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}
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}
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// animations
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extern video_animation_s glnode_animations;
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#endif // whole file
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