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[client] added RGB cursor support

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This commit is contained in:
Geoffrey McRae 2017-12-13 03:51:25 +11:00
parent a950f7b187
commit c36e948bdb
1 changed files with 66 additions and 17 deletions
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83
client/renderers/opengl.c
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@ -18,8 +18,7 @@
#define FPS_TEXTURE (VBO_BUFFERS )
#define MOUSE_TEXTURE (VBO_BUFFERS+1)
#define TEXTURE_COUNT MOUSE_TEXTURE
#define TEXTURE_COUNT (VBO_BUFFERS+2)
static PFNGLXGETVIDEOSYNCSGIPROC glXGetVideoSyncSGI = NULL;
static PFNGLXWAITVIDEOSYNCSGIPROC glXWaitVideoSyncSGI = NULL;
@ -58,9 +57,9 @@ struct LGR_OpenGL
SDL_Rect fpsRect;
bool mouseRepair;
SDL_Point mouseRepairPos;
SDL_Rect mouseRepairPos;
bool mouseVisible;
SDL_Point mousePos;
SDL_Rect mousePos;
};
void lgr_opengl_on_resize(void * opaque, const int width, const int height, const LG_RendererRect destRect);
@ -283,6 +282,55 @@ bool lgr_opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, co
if (!this || !this->initialized)
return false;
if (SDL_GL_MakeCurrent(this->params.window, this->glContext) != 0)
{
DEBUG_ERROR("Failed to make the GL context current");
return false;
}
switch(cursor)
{
case LG_CURSOR_COLOR:
{
DEBUG_INFO("%d %d", width, height);
glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
glTexImage2D
(
GL_TEXTURE_2D,
0 ,
GL_RGBA,
width ,
height ,
0 ,
GL_RGBA,
GL_UNSIGNED_BYTE,
data
);
lgr_opengl_check_error("glTexImage2D");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
this->mousePos.w = width;
this->mousePos.h = height;
break;
}
case LG_CURSOR_MONOCHROME:
{
break;
}
case LG_CURSOR_MASKED_COLOR:
{
break;
}
}
return true;
}
@ -452,10 +500,10 @@ void lgr_opengl_draw_mouse(struct LGR_OpenGL * this)
glBindTexture(GL_TEXTURE_2D, this->textures[this->texIndex]);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0 , 0 ); glVertex2i(0 , 0 );
glTexCoord2f(32, 0 ); glVertex2i(32, 0 );
glTexCoord2f(0 , 32); glVertex2i(0 , 32);
glTexCoord2f(32, 32); glVertex2i(32, 32);
glTexCoord2f(0 , 0 ); glVertex2i(0 , 0 );
glTexCoord2f(this->mouseRepairPos.w, 0 ); glVertex2i(this->mouseRepairPos.w, 0 );
glTexCoord2f(0 , this->mouseRepairPos.h); glVertex2i(0 , this->mouseRepairPos.h);
glTexCoord2f(this->mouseRepairPos.w, this->mouseRepairPos.h); glVertex2i(this->mouseRepairPos.w, this->mouseRepairPos.h);
glEnd();
glBindTexture(GL_TEXTURE_2D, 0);
this->mouseRepair = false;
@ -469,22 +517,23 @@ void lgr_opengl_draw_mouse(struct LGR_OpenGL * this)
if (!this->mouseVisible)
return;
this->mouseRepairPos.x = this->mousePos.x;
this->mouseRepairPos.y = this->mousePos.y;
this->mouseRepair = true;
memcpy(&this->mouseRepairPos, &this->mousePos, sizeof(SDL_Rect));
this->mouseRepair = true;
glPushMatrix();
glTranslatef(this->mouseRepairPos.x, this->mouseRepairPos.y, 0.0f);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_TRIANGLE_STRIP);
glVertex2i(0 , 0 );
glVertex2i(32, 0 );
glVertex2i(0 , 32);
glVertex2i(32, 32);
glTexCoord2f(0.0f, 0.0f); glVertex2i(0 , 0 );
glTexCoord2f(1.0f, 0.0f); glVertex2i(this->mousePos.w, 0 );
glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , this->mousePos.h);
glTexCoord2f(1.0f, 1.0f); glVertex2i(this->mousePos.w, this->mousePos.h);
glEnd();
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_BLEND);
glPopMatrix();
}