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(gfx_display.c) Do early returns before computing a bunch of stuff

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This commit is contained in:
twinaphex 2020-10-02 14:07:01 +02:00
parent cd469d3fb2
commit 079c2dadff
1 changed files with 57 additions and 69 deletions
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126
gfx/gfx_display.c
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@ -695,44 +695,42 @@ void gfx_display_draw_quad(
unsigned width, unsigned height,
float *color)
{
gfx_display_ctx_draw_t draw;
struct video_coords coords;
gfx_display_t
*p_disp = disp_get_ptr();
gfx_display_ctx_driver_t
*dispctx = p_disp->dispctx;
if (dispctx)
{
gfx_display_ctx_draw_t draw;
struct video_coords coords;
if (w == 0 || h == 0)
return;
if (!dispctx)
return;
coords.vertices = 4;
coords.vertex = NULL;
coords.tex_coord = NULL;
coords.lut_tex_coord = NULL;
coords.color = color;
coords.vertices = 4;
coords.vertex = NULL;
coords.tex_coord = NULL;
coords.lut_tex_coord = NULL;
coords.color = color;
draw.x = x;
draw.y = (int)height - y - (int)h;
draw.width = w;
draw.height = h;
draw.coords = &coords;
draw.matrix_data = NULL;
draw.texture = gfx_display_white_texture;
draw.prim_type = GFX_DISPLAY_PRIM_TRIANGLESTRIP;
draw.pipeline_id = 0;
draw.scale_factor = 1.0f;
draw.rotation = 0.0f;
draw.x = x;
draw.y = (int)height - y - (int)h;
draw.width = w;
draw.height = h;
draw.coords = &coords;
draw.matrix_data = NULL;
draw.texture = gfx_display_white_texture;
draw.prim_type = GFX_DISPLAY_PRIM_TRIANGLESTRIP;
draw.pipeline_id = 0;
draw.scale_factor = 1.0f;
draw.rotation = 0.0f;
if (draw.height > 0 && draw.width > 0)
{
if (dispctx->blend_begin)
dispctx->blend_begin(data);
if (dispctx->draw)
dispctx->draw(&draw, data, video_width, video_height);
if (dispctx->blend_end)
dispctx->blend_end(data);
}
}
if (dispctx->blend_begin)
dispctx->blend_begin(data);
if (dispctx->draw)
dispctx->draw(&draw, data, video_width, video_height);
if (dispctx->blend_end)
dispctx->blend_end(data);
}
void gfx_display_draw_polygon(
@ -749,6 +747,9 @@ void gfx_display_draw_polygon(
gfx_display_t *p_disp = disp_get_ptr();
gfx_display_ctx_driver_t *dispctx = p_disp->dispctx;
if (width == 0 || height == 0)
return;
if (dispctx)
{
float vertex[8];
@ -781,15 +782,12 @@ void gfx_display_draw_polygon(
draw.scale_factor = 1.0f;
draw.rotation = 0.0f;
if (draw.height > 0 && draw.width > 0)
{
if (dispctx->blend_begin)
dispctx->blend_begin(userdata);
if (dispctx->draw)
dispctx->draw(&draw, userdata, video_width, video_height);
if (dispctx->blend_end)
dispctx->blend_end(userdata);
}
if (dispctx->blend_begin)
dispctx->blend_begin(userdata);
if (dispctx->draw)
dispctx->draw(&draw, userdata, video_width, video_height);
if (dispctx->blend_end)
dispctx->blend_end(userdata);
}
}
@ -805,6 +803,11 @@ static void gfx_display_draw_texture(
gfx_display_ctx_draw_t *draw
)
{
if (w == 0 || h == 0)
return;
if (!dispctx || !dispctx->draw)
return;
draw->width = w;
draw->height = h;
draw->prim_type = GFX_DISPLAY_PRIM_TRIANGLESTRIP;
@ -813,9 +816,7 @@ static void gfx_display_draw_texture(
draw->x = x;
draw->y = height - y;
if (dispctx && dispctx->draw)
if (draw->width > 0 && draw->height > 0)
dispctx->draw(draw, userdata, video_width, video_height);
dispctx->draw(draw, userdata, video_width, video_height);
}
/* Draw the texture split into 9 sections, without scaling the corners.
@ -909,6 +910,11 @@ void gfx_display_draw_texture_slice(
float norm_x = x / (float)width;
float norm_y = (height - y) / (float)height;
if (width == 0 || height == 0)
return;
if (!dispctx || !dispctx->draw)
return;
/* the four vertices of the top-left corner of the image,
* used as a starting point for all the other sections */
V_BL[0] = norm_x;
@ -977,9 +983,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0];
tex_coord[7] = T_TR[1];
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* top-middle section */
vert_coord[0] = V_BL[0] + vert_woff;
@ -1000,9 +1004,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0] + tex_mid_width;
tex_coord[7] = T_TR[1];
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* top-right corner */
vert_coord[0] = V_BL[0] + vert_woff + vert_scaled_mid_width;
@ -1023,9 +1025,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0] + tex_mid_width + tex_woff;
tex_coord[7] = T_TR[1];
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* middle-left section */
vert_coord[0] = V_BL[0];
@ -1046,9 +1046,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0];
tex_coord[7] = T_TR[1] + tex_hoff;
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* center section */
vert_coord[0] = V_BL[0] + vert_woff;
@ -1069,9 +1067,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0] + tex_mid_width;
tex_coord[7] = T_TR[1] + tex_hoff;
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* middle-right section */
vert_coord[0] = V_BL[0] + vert_woff + vert_scaled_mid_width;
@ -1092,9 +1088,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0] + tex_woff + tex_mid_width;
tex_coord[7] = T_TR[1] + tex_hoff;
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* bottom-left corner */
vert_coord[0] = V_BL[0];
@ -1115,9 +1109,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0];
tex_coord[7] = T_TR[1] + tex_hoff + tex_mid_height;
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* bottom-middle section */
vert_coord[0] = V_BL[0] + vert_woff;
@ -1138,9 +1130,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0] + tex_mid_width;
tex_coord[7] = T_TR[1] + tex_hoff + tex_mid_height;
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
/* bottom-right corner */
vert_coord[0] = V_BL[0] + vert_woff + vert_scaled_mid_width;
@ -1161,9 +1151,7 @@ void gfx_display_draw_texture_slice(
tex_coord[6] = T_TR[0] + tex_woff + tex_mid_width;
tex_coord[7] = T_TR[1] + tex_hoff + tex_mid_height;
if (dispctx && dispctx->draw)
if (draw.width > 0 && draw.height > 0)
dispctx->draw(&draw, userdata, video_width, video_height);
dispctx->draw(&draw, userdata, video_width, video_height);
}
void gfx_display_rotate_z(gfx_display_ctx_rotate_draw_t *draw, void *data)