Differential D4963 Diff 15647 source/blender/editors/interface/interface_draw.c

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source/blender/editors/interface/interface_draw.c

Show First 20 Lines • Show All 2,249 Lines • ▼ Show 20 Lines	void ui_draw_but_TRACKPREVIEW(ARegion *UNUSED(ar),
}		}

/* outline */		/* outline */
draw_scope_end(&rect, scissor);		draw_scope_end(&rect, scissor);

GPU_blend(false);		GPU_blend(false);
}		}

void ui_draw_but_NODESOCKET(ARegion *ar,
uiBut *but,
const uiWidgetColors *UNUSED(wcol),
const rcti *recti)
{
static const float size = 5.0f;

/* 16 values of sin function */
const float si[16] = {
0.00000000f,
0.39435585f,
0.72479278f,
0.93775213f,
0.99871650f,
0.89780453f,
0.65137248f,
0.29936312f,
-0.10116832f,
-0.48530196f,
-0.79077573f,
-0.96807711f,
-0.98846832f,
-0.84864425f,
-0.57126821f,
-0.20129852f,
};
/* 16 values of cos function */
const float co[16] = {
1.00000000f,
0.91895781f,
0.68896691f,
0.34730525f,
-0.05064916f,
-0.44039415f,
-0.75875812f,
-0.95413925f,
-0.99486932f,
-0.87434661f,
-0.61210598f,
-0.25065253f,
0.15142777f,
0.52896401f,
0.82076344f,
0.97952994f,
};

int scissor[4];

/* need scissor test, can draw outside of boundary */
GPU_scissor_get_i(scissor);

rcti scissor_new = {
.xmin = recti->xmin,
.ymin = recti->ymin,
.xmax = recti->xmax,
.ymax = recti->ymax,
};

rcti scissor_region = {0, ar->winx, 0, ar->winy};

BLI_rcti_isect(&scissor_new, &scissor_region, &scissor_new);
GPU_scissor(scissor_new.xmin,
scissor_new.ymin,
BLI_rcti_size_x(&scissor_new),
BLI_rcti_size_y(&scissor_new));

float x = 0.5f * (recti->xmin + recti->xmax);
float y = 0.5f * (recti->ymin + recti->ymax);

GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4ubv(but->col);

GPU_blend(true);
immBegin(GPU_PRIM_TRI_FAN, 16);
for (int a = 0; a < 16; a++) {
immVertex2f(pos, x + size * si[a], y + size * co[a]);
}
immEnd();

immUniformColor4ub(0, 0, 0, 150);
GPU_line_width(1);
GPU_line_smooth(true);
immBegin(GPU_PRIM_LINE_LOOP, 16);
for (int a = 0; a < 16; a++) {
immVertex2f(pos, x + size * si[a], y + size * co[a]);
}
immEnd();
GPU_line_smooth(false);
GPU_blend(false);

immUnbindProgram();

/* restore scissortest */
GPU_scissor(scissor[0], scissor[1], scissor[2], scissor[3]);
}

/* ****************************************************** */		/* ****************************************************** */

/* TODO: high quality UI drop shadows using GLSL shader and single draw call		/* TODO: high quality UI drop shadows using GLSL shader and single draw call
* would replace / modify the following 3 functions - merwin		* would replace / modify the following 3 functions - merwin
*/		*/

static void ui_shadowbox(uint pos,		static void ui_shadowbox(uint pos,
uint color,		uint color,
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