void gl_renderchain_render(gl_t *gl,
uint64_t frame_count,
const struct video_tex_info *tex_info,
const struct video_tex_info *feedback_info)
{
unsigned mip_level;
video_shader_ctx_mvp_t mvp;
video_shader_ctx_coords_t coords;
video_shader_ctx_params_t params;
video_shader_ctx_info_t shader_info;
unsigned width, height;
const struct video_fbo_rect *prev_rect;
struct video_tex_info *fbo_info;
struct video_tex_info fbo_tex_info[GFX_MAX_SHADERS];
int i;
GLfloat xamt, yamt;
unsigned fbo_tex_info_cnt = 0;
GLfloat fbo_tex_coords[8] = {0.0f};
video_driver_get_size(&width, &height);
/* Render the rest of our passes. */
gl->coords.tex_coord = fbo_tex_coords;
/* Calculate viewports, texture coordinates etc,
* and render all passes from FBOs, to another FBO. */
for (i = 1; i < gl->fbo_pass; i++)
{
video_shader_ctx_mvp_t mvp;
video_shader_ctx_coords_t coords;
video_shader_ctx_params_t params;
const struct video_fbo_rect *rect = &gl->fbo_rect[i];
prev_rect = &gl->fbo_rect[i - 1];
fbo_info = &fbo_tex_info[i - 1];
xamt = (GLfloat)prev_rect->img_width / prev_rect->width;
yamt = (GLfloat)prev_rect->img_height / prev_rect->height;
set_texture_coords(fbo_tex_coords, xamt, yamt);
fbo_info->tex = gl->fbo_texture[i - 1];
fbo_info->input_size[0] = prev_rect->img_width;
fbo_info->input_size[1] = prev_rect->img_height;
fbo_info->tex_size[0] = prev_rect->width;
fbo_info->tex_size[1] = prev_rect->height;
memcpy(fbo_info->coord, fbo_tex_coords, sizeof(fbo_tex_coords));
fbo_tex_info_cnt++;
glBindFramebuffer(RARCH_GL_FRAMEBUFFER, gl->fbo[i]);
shader_info.data = gl;
shader_info.idx = i + 1;
shader_info.set_active = true;
video_shader_driver_use(&shader_info);
glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[i - 1]);
mip_level = i + 1;
if (video_shader_driver_mipmap_input(&mip_level)
&& gl_check_capability(GL_CAPS_MIPMAP))
glGenerateMipmap(GL_TEXTURE_2D);
glClear(GL_COLOR_BUFFER_BIT);
/* Render to FBO with certain size. */
gl_set_viewport(gl, rect->img_width, rect->img_height, true, false);
params.data = gl;
params.width = prev_rect->img_width;
params.height = prev_rect->img_height;
params.tex_width = prev_rect->width;
params.tex_height = prev_rect->height;
params.out_width = gl->vp.width;
params.out_height = gl->vp.height;
params.frame_counter = (unsigned int)frame_count;
params.info = tex_info;
params.prev_info = gl->prev_info;
params.feedback_info = feedback_info;
params.fbo_info = fbo_tex_info;
params.fbo_info_cnt = fbo_tex_info_cnt;
video_shader_driver_set_parameters(¶ms);
gl->coords.vertices = 4;
coords.handle_data = NULL;
coords.data = &gl->coords;
video_shader_driver_set_coords(&coords);
mvp.data = gl;
mvp.matrix = &gl->mvp;
video_shader_driver_set_mvp(&mvp);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
#if defined(GL_FRAMEBUFFER_SRGB) && !defined(HAVE_OPENGLES)
if (gl->has_srgb_fbo)
glDisable(GL_FRAMEBUFFER_SRGB);
#endif
/* Render our last FBO texture directly to screen. */
prev_rect = &gl->fbo_rect[gl->fbo_pass - 1];
xamt = (GLfloat)prev_rect->img_width / prev_rect->width;
yamt = (GLfloat)prev_rect->img_height / prev_rect->height;
set_texture_coords(fbo_tex_coords, xamt, yamt);
/* Push final FBO to list. */
fbo_info = &fbo_tex_info[gl->fbo_pass - 1];
fbo_info->tex = gl->fbo_texture[gl->fbo_pass - 1];
fbo_info->input_size[0] = prev_rect->img_width;
fbo_info->input_size[1] = prev_rect->img_height;
fbo_info->tex_size[0] = prev_rect->width;
fbo_info->tex_size[1] = prev_rect->height;
memcpy(fbo_info->coord, fbo_tex_coords, sizeof(fbo_tex_coords));
fbo_tex_info_cnt++;
/* Render our FBO texture to back buffer. */
gl_bind_backbuffer();
shader_info.data = gl;
shader_info.idx = gl->fbo_pass + 1;
shader_info.set_active = true;
video_shader_driver_use(&shader_info);
glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[gl->fbo_pass - 1]);
mip_level = gl->fbo_pass + 1;
if (video_shader_driver_mipmap_input(&mip_level)
&& gl_check_capability(GL_CAPS_MIPMAP))
glGenerateMipmap(GL_TEXTURE_2D);
glClear(GL_COLOR_BUFFER_BIT);
gl_set_viewport(gl, width, height, false, true);
params.data = gl;
params.width = prev_rect->img_width;
params.height = prev_rect->img_height;
params.tex_width = prev_rect->width;
params.tex_height = prev_rect->height;
params.out_width = gl->vp.width;
params.out_height = gl->vp.height;
params.frame_counter = (unsigned int)frame_count;
params.info = tex_info;
params.prev_info = gl->prev_info;
params.feedback_info = feedback_info;
params.fbo_info = fbo_tex_info;
params.fbo_info_cnt = fbo_tex_info_cnt;
video_shader_driver_set_parameters(¶ms);
gl->coords.vertex = gl->vertex_ptr;
gl->coords.vertices = 4;
coords.handle_data = NULL;
coords.data = &gl->coords;
video_shader_driver_set_coords(&coords);
mvp.data = gl;
mvp.matrix = &gl->mvp;
video_shader_driver_set_mvp(&mvp);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
gl->coords.tex_coord = gl->tex_info.coord;
}
static void renderchain_set_vertices(void *data, unsigned pass,
unsigned vert_width, unsigned vert_height, uint64_t frame_count)
{
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_HLSL)
#ifdef _XBOX
video_shader_ctx_params_t params;
video_shader_ctx_info_t shader_info;
#endif
#endif
unsigned width, height;
d3d_video_t *d3d = (d3d_video_t*)data;
xdk_renderchain_t *chain = d3d ? (xdk_renderchain_t*)d3d->renderchain_data : NULL;
video_driver_get_size(&width, &height);
if (!chain)
return;
if (chain->last_width != vert_width || chain->last_height != vert_height)
{
unsigned i;
Vertex vert[4];
void *verts = NULL;
chain->last_width = vert_width;
chain->last_height = vert_height;
float tex_w = vert_width;
float tex_h = vert_height;
#ifdef _XBOX360
tex_w /= ((float)chain->tex_w);
tex_h /= ((float)chain->tex_h);
#endif
vert[0].x = -1.0f;
vert[1].x = 1.0f;
vert[2].x = -1.0f;
vert[3].x = 1.0f;
vert[0].y = -1.0f;
vert[1].y = -1.0f;
vert[2].y = 1.0f;
vert[3].y = 1.0f;
#if defined(_XBOX1)
vert[0].z = 1.0f;
vert[1].z = 1.0f;
vert[2].z = 1.0f;
vert[3].z = 1.0f;
vert[0].rhw = 0.0f;
vert[1].rhw = tex_w;
vert[2].rhw = 0.0f;
vert[3].rhw = tex_w;
vert[0].u = tex_h;
vert[1].u = tex_h;
vert[2].u = 0.0f;
vert[3].u = 0.0f;
vert[0].v = 0.0f;
vert[1].v = 0.0f;
vert[2].v = 0.0f;
vert[3].v = 0.0f;
#elif defined(_XBOX360)
vert[0].u = 0.0f;
vert[1].u = tex_w;
vert[2].u = 0.0f;
vert[3].u = tex_w;
vert[0].v = tex_h;
vert[1].v = tex_h;
vert[2].v = 0.0f;
vert[3].v = 0.0f;
#endif
/* Align texels and vertices. */
for (i = 0; i < 4; i++)
{
vert[i].x -= 0.5f / ((float)chain->tex_w);
vert[i].y += 0.5f / ((float)chain->tex_h);
}
verts = d3d_vertex_buffer_lock(chain->vertex_buf);
memcpy(verts, vert, sizeof(vert));
d3d_vertex_buffer_unlock(chain->vertex_buf);
}
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_HLSL)
#ifdef _XBOX
renderchain_set_mvp(d3d, width, height, d3d->dev_rotation);
shader_info.data = d3d;
shader_info.idx = pass;
shader_info.set_active = true;
video_shader_driver_use(shader_info);
params.data = d3d;
params.width = vert_width;
params.height = vert_height;
params.tex_width = chain->tex_w;
params.tex_height = chain->tex_h;
params.out_width = width;
params.out_height = height;
params.frame_counter = (unsigned int)frame_count;
params.info = NULL;
params.prev_info = NULL;
params.feedback_info = NULL;
params.fbo_info = NULL;
params.fbo_info_cnt = 0;
video_shader_driver_set_parameters(params);
#endif
#endif
}
