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John Alanbrook
2023-05-07 02:16:10 +00:00
parent 0f8a466354
commit 8552d6a1df
5 changed files with 79 additions and 46 deletions
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90
source/engine/font.c
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@@ -80,15 +80,6 @@ void font_init(struct shader *textshader) {
}
},
.fs.uniform_blocks[0] = {
.size = sizeof(float)*3+sizeof(int),
.layout = SG_UNIFORMLAYOUT_STD140,
.uniforms = {
[0] = { .name = "textColor", .type = SG_UNIFORMTYPE_FLOAT3 },
[1] = { .name = "invert", .type = SG_UNIFORMTYPE_INT }
}
},
.fs.images[0] = {
.name = "text",
.image_type = SG_IMAGETYPE_2D,
@@ -99,20 +90,35 @@ void font_init(struct shader *textshader) {
pipe_text = sg_make_pipeline(&(sg_pipeline_desc){
.shader = fontshader,
.layout = {
.attrs = { [0].format = SG_VERTEXFORMAT_FLOAT4 }
.attrs = {
[0].format = SG_VERTEXFORMAT_FLOAT2,
[0].buffer_index = 0,
[1].format = SG_VERTEXFORMAT_FLOAT2,
[1].buffer_index = 0,
[2].format = SG_VERTEXFORMAT_FLOAT3,
[2].buffer_index = 1},
.buffers[2].step_func = SG_VERTEXSTEP_PER_INSTANCE,
},
.primitive_type = SG_PRIMITIVETYPE_TRIANGLE_STRIP,
.label = "text pipeline"
});
bind_text.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
.size = sizeof(float)*16,
.size = sizeof(float)*16*40000,
.type = SG_BUFFERTYPE_VERTEXBUFFER,
.usage = SG_USAGE_STREAM,
.label = "text buffer"
});
bind_text.vertex_buffers[1] = sg_make_buffer(&(sg_buffer_desc){
.size = sizeof(float)*3*40000,
.type = SG_BUFFERTYPE_VERTEXBUFFER,
.usage = SG_USAGE_STREAM,
.label = "text color buffer"
});
font = MakeFont("LessPerfectDOSVGA.ttf", 16);
bind_text.fs_images[0] = font->texID;
}
void font_frame(struct window *w) {
@@ -202,6 +208,19 @@ void draw_char_box(struct Character c, float cursor[2], float scale, float color
draw_rect(x,y,w,h,color);
}
void text_flush()
{
sg_apply_pipeline(pipe_text);
sg_apply_bindings(&bind_text);
sg_apply_uniforms(SG_SHADERSTAGE_VS,0,SG_RANGE_REF(projection));
YughWarn("Chars: %d", curchar);
sg_draw(0,4*curchar,1);
curchar = 0;
}
void fill_charverts(float *verts, float cursor[2], float scale, struct Character c, float *offset)
{
float w = c.Size[0] * scale;
@@ -229,13 +248,22 @@ void sdrawCharacter(struct Character c, mfloat_t cursor[2], float scale, struct
float verts[16];
float offset[2] = {-1, 1};
fill_charverts(verts, cursor, scale, c, offset);
curchar++;
/* Check if the vertex is off screen */
if (verts[5] < 0 || verts[10] < 0 || verts[0] > window_i(0)->width || verts[1] > window_i(0)->height)
return;
curchar++;
/* SET COLOR ? */
sg_append_buffer(bind_text.vertex_buffers[0], SG_RANGE_REF(verts));
sg_append_buffer(bind_text.vertex_buffers[1], SG_RANGE_REF(color));
return;
// fill_charverts(verts, cursor, scale, c, offset);
/*
if (drawcaret == curchar) {
draw_char_box(c, cursor, scale, color);
@@ -245,37 +273,30 @@ void sdrawCharacter(struct Character c, mfloat_t cursor[2], float scale, struct
glBindTexture(GL_TEXTURE_2D, font->texID);
glBindVertexArray(VAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
}
*/
shader_setvec3(shader, "textColor", shadowcolor);
sg_update_buffer(bind_text.vertex_buffers[0], verts);
sg_draw(0,4,1);
// sg_apply_uniforms(SG_SHADERSTAGE_FS, 0, SG_RANGE_REF(shadowcolor));
/*
sg_append_buffer(bind_text.vertex_buffers[0], SG_RANGE_REF(verts));
offset[0] = 1;
offset[1] = -1;
fill_charverts(verts, cursor, scale, c, offset);
sg_update_buffer(bind_text.vertex_buffers[0], verts);
sg_draw(0,4,1);
sg_update_buffer(bind_text.vertex_buffers[0], SG_RANGE_REF(verts));
offset[1] = 1;
fill_charverts(verts, cursor, scale, c, offset);
sg_update_buffer(bind_text.vertex_buffers[0], verts);
sg_draw(0,4,1);
sg_update_buffer(bind_text.vertex_buffers[0], SG_RANGE_REF(verts));
offset[0] = -1;
offset[1] = -1;
fill_charverts(verts, cursor, scale, c, offset);
sg_update_buffer(bind_text.vertex_buffers[0], verts);
sg_draw(0,4,1);
sg_update_buffer(bind_text.vertex_buffers[0], SG_RANGE_REF(verts));
*/
offset[0] = offset[1] = 0;
fill_charverts(verts, cursor, scale, c, offset);
shader_setvec3(shader, "textColor", color);
sg_update_buffer(bind_text.vertex_buffers[0], verts);
sg_draw(0,4,1);
/* SET COLOR ? */
sg_update_buffer(bind_text.vertex_buffers[0], SG_RANGE_REF(verts));
}
void text_settype(struct sFont *mfont)
@@ -291,15 +312,10 @@ int renderText(const char *text, mfloat_t pos[2], float scale, mfloat_t color[3]
mfloat_t cursor[2] = { 0.f };
cursor[0] = pos[0];
cursor[1] = pos[1];
sg_apply_pipeline(pipe_text);
sg_apply_bindings(&bind_text);
sg_apply_uniforms(SG_SHADERSTAGE_FS,0,color);
const unsigned char *line, *wordstart, *drawstart;
line = drawstart = (unsigned char*)text;
curchar = 0;
float *usecolor = color;
while (*line != '\0') {
@@ -347,11 +363,11 @@ int renderText(const char *text, mfloat_t pos[2], float scale, mfloat_t color[3]
}
}
if (caret > curchar) {
/* if (caret > curchar) {
draw_char_box(font->Characters[69], cursor, scale, color);
}
*/
return cursor[1] - pos[1];
}