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(courtesy of teepee) Rewrite the ribbon code to use the coordinate

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This commit is contained in:
twinaphex 2016-04-19 23:00:55 +02:00
parent b479903e3f
commit 1bbc2f09b5
2 changed files with 29 additions and 61 deletions
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5
gfx/drivers/gl_shaders/pipeline_xmb_ribbon.glsl.vert.h
View File

@ -6,9 +6,8 @@ static const char *stock_vertex_xmb =
"#define COMPAT_VARYING varying\n"
"#define COMPAT_ATTRIBUTE attribute\n"
"#endif\n"
"COMPAT_ATTRIBUTE vec3 vPosition;\n"
"COMPAT_ATTRIBUTE vec3 VertexCoord;\n"
"uniform float time;\n"
"COMPAT_VARYING vec3 v;\n"
"float iqhash( float n )\n"
"{\n"
" return fract(sin(n)*43758.5453);\n"
@ -26,7 +25,7 @@ static const char *stock_vertex_xmb =
"}\n"
"void main()\n"
"{\n"
" v = vPosition;\n"
" vec3 v = vec3(VertexCoord.x, 0.0, VertexCoord.y);\n"
" vec3 v2 = v;\n"
" v2.x = v2.x + time/2.0;\n"
" v2.z = v.z * 3.0;\n"

85
menu/drivers/xmb.c
View File

@ -53,8 +53,7 @@
#define XMB_RIBBON_ENABLE
#define XMB_RIBBON_ROWS 16
#define XMB_RIBBON_COLS 32
#define XMB_RIBBON_VERTICES XMB_RIBBON_COLS*XMB_RIBBON_ROWS*3
#define XMB_RIBBON_INDEXES (XMB_RIBBON_COLS * 2 + 2) * XMB_RIBBON_ROWS + (XMB_RIBBON_ROWS - 1) * 2
#define XMB_RIBBON_VERTICES 2*XMB_RIBBON_COLS*XMB_RIBBON_ROWS-2*XMB_RIBBON_COLS
#endif
#ifndef XMB_DELAY
@ -236,10 +235,6 @@ typedef struct xmb_handle
gfx_font_raster_block_t raster_block;
} xmb_handle_t;
#ifdef XMB_RIBBON_ENABLE
static unsigned ribbon_idx[XMB_RIBBON_INDEXES];
#endif
static const char *xmb_theme_ident(void)
{
settings_t *settings = config_get_ptr();
@ -1869,14 +1864,6 @@ static void xmb_draw_ribbon(xmb_handle_t *xmb, menu_display_ctx_draw_t *draw)
struct uniform_info uniform_param = {0};
static float t = 0;
video_shader_ctx_info_t shader_info;
math_matrix_4x4 mymat;
struct gfx_coords coords;
float white[16] = {
1, 1, 1, 1,
1, 1, 1, 1,
1, 1, 1, 1,
1, 1, 1, 1,
};
gfx_coord_array_t *ca = NULL;
menu_display_ctl(MENU_DISPLAY_CTL_COORDS_ARRAY_GET, &ca);
@ -1890,14 +1877,10 @@ static void xmb_draw_ribbon(xmb_handle_t *xmb, menu_display_ctx_draw_t *draw)
menu_display_ctl(MENU_DISPLAY_CTL_BLEND_BEGIN, NULL);
coords.vertex = ca->coords.vertex;
coords.index = ribbon_idx;
coords.color = white;
draw->x = 0;
draw->y = 0;
draw->coords = &coords;
draw->matrix_data = &mymat;
draw->coords = (struct gfx_coords*)(&ca->coords);
draw->matrix_data = NULL;
shader_info.data = NULL;
shader_info.idx = VIDEO_SHADER_MENU;
@ -1917,13 +1900,7 @@ static void xmb_draw_ribbon(xmb_handle_t *xmb, menu_display_ctx_draw_t *draw)
video_shader_driver_ctl(SHADER_CTL_SET_PARAMETER, &uniform_param);
menu_display_ctl(MENU_DISPLAY_CTL_SET_VIEWPORT, NULL);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, draw->coords->vertex);
glEnableVertexAttribArray(0);
glDrawElements(GL_TRIANGLE_STRIP,
XMB_RIBBON_INDEXES, GL_UNSIGNED_INT, draw->coords->index);
menu_display_ctl(MENU_DISPLAY_CTL_DRAW, draw);
menu_display_ctl(MENU_DISPLAY_CTL_BLEND_END, NULL);
#else
@ -2307,55 +2284,45 @@ static void xmb_layout(xmb_handle_t *xmb)
}
}
#ifdef XMB_RIBBON_ENABLE
static void xmb_ribbon_set_vertex(float *ribbon_verts, unsigned idx, unsigned row, unsigned col)
{
ribbon_verts[idx++] = ((float)col) / 15.5f - 1.0f;
ribbon_verts[idx++] = ((float)row) / 7.5f - 1.0f;
}
static void xmb_init_ribbon(xmb_handle_t * xmb)
{
#ifdef XMB_RIBBON_ENABLE
gfx_coords_t coords;
menu_display_ctx_coord_draw_t coord_draw;
float ribbon_verts[XMB_RIBBON_VERTICES];
unsigned r, c;
unsigned i = 0;
float white[XMB_RIBBON_VERTICES*4] = { 1.0f };
float ribbon_verts[2 * XMB_RIBBON_VERTICES];
unsigned i, r, c, col;
gfx_coord_array_t *ca = NULL;
float dummy[4 * XMB_RIBBON_VERTICES] = { };
menu_display_ctl(MENU_DISPLAY_CTL_COORDS_ARRAY_GET, &ca);
/* Set up vertices */
for (r = 0; r < XMB_RIBBON_ROWS; ++r)
i = 0;
for (r = 0; r < XMB_RIBBON_ROWS - 1; r++)
{
for (c = 0; c < XMB_RIBBON_COLS; ++c)
for (c = 0; c < XMB_RIBBON_COLS; c++)
{
int index = r * XMB_RIBBON_COLS + c;
ribbon_verts[3*index + 0] = ((float) c)/15.0f - 1.0;
ribbon_verts[3*index + 1] = 0.0f;
ribbon_verts[3*index + 2] = ((float) r)/8.0f - 1.0;
col = r % 2 ? XMB_RIBBON_COLS - c - 1 : c;
xmb_ribbon_set_vertex(ribbon_verts, i, r, col);
xmb_ribbon_set_vertex(ribbon_verts, i + 2, r + 1, col);
i += 4;
}
}
menu_display_ctl(MENU_DISPLAY_CTL_TEX_COORDS_GET, &coord_draw);
coords.color = white;
coords.vertex = ribbon_verts;
coords.tex_coord = coord_draw.ptr;
coords.lut_tex_coord = coord_draw.ptr;
coords.color = dummy;
coords.vertex = dummy;
coords.tex_coord = dummy;
coords.lut_tex_coord = ribbon_verts;
coords.vertices = XMB_RIBBON_VERTICES;
gfx_coord_array_append(ca, &coords, XMB_RIBBON_VERTICES);
for (r = 0; r < XMB_RIBBON_ROWS - 1; ++r)
{
ribbon_idx[i++] = r * XMB_RIBBON_COLS;
for (c = 0; c < XMB_RIBBON_COLS; ++c)
{
ribbon_idx[i++] = r * XMB_RIBBON_COLS + c;
ribbon_idx[i++] = (r + 1) * XMB_RIBBON_COLS + c;
}
ribbon_idx[i++] = (r + 1) * XMB_RIBBON_COLS + (XMB_RIBBON_COLS - 1);
}
#endif
}
#endif
static void *xmb_init(void **userdata)
{
@ -2409,7 +2376,9 @@ static void *xmb_init(void **userdata)
xmb_init_horizontal_list(xmb);
xmb_font(xmb);
#ifdef XMB_RIBBON_ENABLE
xmb_init_ribbon(xmb);
#endif
return menu;