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Some cleanups.

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This commit is contained in:
Themaister 2011-03-16 12:28:02 +01:00
parent d309d472e1
commit 252425c35c
1 changed files with 25 additions and 28 deletions
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53
gfx/gl.c
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@ -333,8 +333,7 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
gl->fbo_rect[0].width = width * next_pow2(ceil(scale.scale_x));
gl->fbo_rect[0].height = height * next_pow2(ceil(scale.scale_y));
gl->fbo_scale[0] = scale;
if (scale.valid)
SSNES_LOG("Creating FBO 0 @ %ux%u\n", gl->fbo_rect[0].width, gl->fbo_rect[0].height);
SSNES_LOG("Creating FBO 0 @ %ux%u\n", gl->fbo_rect[0].width, gl->fbo_rect[0].height);
if (gl->fbo_pass <= 0)
gl->fbo_pass = 1;
@ -488,34 +487,33 @@ static void set_viewport(gl_t *gl, unsigned width, unsigned height, bool force_f
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
GLuint out_width = width;
GLuint out_height = height;
if (gl->keep_aspect && !force_full)
{
float desired_aspect = g_settings.video.aspect_ratio;
float device_aspect = (float)gl->win_width / gl->win_height;
float device_aspect = (float)width / height;
// If the aspect ratios of screen and desired aspect ratio are sufficiently equal (floating point stuff),
// assume they are actually equal.
if ( (int)(device_aspect*1000) > (int)(desired_aspect*1000) )
if (fabs(device_aspect - desired_aspect) < 0.0001)
{
glViewport(0, 0, width, height);
}
else if (device_aspect > desired_aspect)
{
float delta = (desired_aspect / device_aspect - 1.0) / 2.0 + 0.5;
glViewport(gl->win_width * (0.5 - delta), 0, 2.0 * gl->win_width * delta, gl->win_height);
out_width = (int)(2.0 * gl->win_width * delta);
}
else if ( (int)(device_aspect*1000) < (int)(desired_aspect*1000) )
{
float delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
glViewport(0, gl->win_height * (0.5 - delta), gl->win_width, 2.0 * gl->win_height * delta);
out_height = (int)(2.0 * gl->win_height * delta);
glViewport(width * (0.5 - delta), 0, 2.0 * width * delta, height);
width = 2.0 * width * delta;
}
else
glViewport(0, 0, gl->win_width, gl->win_height);
{
float delta = (device_aspect / desired_aspect - 1.0) / 2.0 + 0.5;
glViewport(0, height * (0.5 - delta), width, 2.0 * height * delta);
height = 2.0 * height * delta;
}
}
else
glViewport(0, 0, out_width, out_height);
glViewport(0, 0, width, height);
glOrtho(0, 1, 0, 1, -1, 1);
glMatrixMode(GL_MODELVIEW);
@ -523,8 +521,8 @@ static void set_viewport(gl_t *gl, unsigned width, unsigned height, bool force_f
gl_shader_set_proj_matrix();
gl->vp_width = out_width;
gl->vp_height = out_height;
gl->vp_width = width;
gl->vp_height = height;
}
static float tv_to_fps(const struct timeval *tv, const struct timeval *new_tv, int frames)
@ -606,14 +604,13 @@ static bool gl_frame(void *data, const void* frame, unsigned width, unsigned hei
gl->texture_fmt, tmp);
free(tmp);
gl->tex_coords[0] = 0;
gl->tex_coords[1] = (GLfloat)height / gl->tex_h;
gl->tex_coords[2] = 0;
gl->tex_coords[3] = 0;
gl->tex_coords[4] = (GLfloat)width / gl->tex_w;
gl->tex_coords[5] = 0;
gl->tex_coords[6] = (GLfloat)width / gl->tex_w;
gl->tex_coords[7] = (GLfloat)height / gl->tex_h;
GLfloat x = (GLfloat)width / gl->tex_w;
GLfloat y = (GLfloat)height / gl->tex_h;
gl->tex_coords[1] = y;
gl->tex_coords[4] = x;
gl->tex_coords[6] = x;
gl->tex_coords[7] = y;
}
@ -789,7 +786,7 @@ static void* gl_init(video_info_t *video, const input_driver_t **input, void **i
return NULL;
}
SSNES_LOG("GL: Loaded %u shader(s).\n", gl_shader_num());
SSNES_LOG("GL: Loaded %u programs(s).\n", gl_shader_num());
// Set up render to texture.
gl_init_fbo(gl, 256 * video->input_scale, 256 * video->input_scale);