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stack damage tracking

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This commit is contained in:
Alessandro Mauri 2023-03-04 14:33:22 +01:00
parent 4f2a7fbf18
commit 30510ab69a
3 changed files with 77 additions and 16 deletions
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44
text_rendering/ren.c
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@ -58,7 +58,7 @@ const char * ren_err_msg[] = {
};
#define ELEM(x...) [x] = #x,
#define ELEM(x) [x] = #x,
const char *glerr[] = {
ELEM(GL_INVALID_ENUM)
ELEM(GL_INVALID_VALUE)
@ -432,12 +432,21 @@ static int ren_draw_font_stack(void)
GL_FALSE,
sizeof(struct v_text),
(void*)sizeof(vec2_i)))
// TODO: implement size and damage tracking on stacks
GL(glBufferData(
GL_ARRAY_BUFFER,
ren.font_stack.idx*sizeof(struct v_text),
ren.font_stack.items,
GL_DYNAMIC_DRAW))
if (vtstack_changed(&ren.font_stack)) {
if (vtstack_size_changed(&ren.font_stack)) {
GL(glBufferData(
GL_ARRAY_BUFFER,
ren.font_stack.idx*sizeof(struct v_text),
ren.font_stack.items,
GL_DYNAMIC_DRAW))
} else {
GL(glBufferSubData(
GL_ARRAY_BUFFER,
0,
ren.font_stack.idx*sizeof(struct v_text),
ren.font_stack.items))
}
}
GL(glDrawArrays(GL_TRIANGLES, 0, ren.font_stack.idx))
GL(glDisableVertexAttribArray(REN_VERTEX_IDX))
@ -478,12 +487,21 @@ static int ren_draw_box_stack(void)
GL_TRUE,
sizeof(struct v_col),
(void*)sizeof(vec2_i)))
// TODO: implement size and damage tracking on stacks
GL(glBufferData(
GL_ARRAY_BUFFER,
ren.box_stack.idx*sizeof(struct v_col),
ren.box_stack.items,
GL_DYNAMIC_DRAW))
if(vcstack_changed(&ren.box_stack)) {
if (vcstack_size_changed(&ren.box_stack)) {
GL(glBufferData(
GL_ARRAY_BUFFER,
ren.box_stack.idx*sizeof(struct v_col),
ren.box_stack.items,
GL_DYNAMIC_DRAW))
} else {
GL(glBufferSubData(
GL_ARRAY_BUFFER,
0,
ren.box_stack.idx*sizeof(struct v_col),
ren.box_stack.items))
}
}
GL(glDrawArrays(GL_TRIANGLES, 0, ren.box_stack.idx))
GL(glDisableVertexAttribArray(REN_VERTEX_IDX))