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Start work on the graphics program

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Kovid Goyal
2017-10-04 17:22:00 +05:30
parent e1650d5df7
commit 138a37ccac
5 changed files with 56 additions and 12 deletions
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15
kitty/gl.h
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@@ -338,11 +338,9 @@ add_buffer_to_vao(ssize_t vao_idx, GLenum usage) {
}
static void
add_attribute_to_vao(int p, ssize_t vao_idx, const char *name, GLint size, GLenum data_type, GLsizei stride, void *offset, GLuint divisor) {
add_located_attribute_to_vao(ssize_t vao_idx, GLint aloc, GLint size, GLenum data_type, GLsizei stride, void *offset, GLuint divisor) {
VAO *vao = vaos + vao_idx;
if (!vao->num_buffers) { fatal("You must create a buffer for this attribute first"); return; }
GLint aloc = attrib_location(p, name);
if (aloc == -1) { fatal("No attribute named: %s found in this program", name); return; }
if (!vao->num_buffers) fatal("You must create a buffer for this attribute first");
ssize_t buf = vao->buffers[vao->num_buffers - 1];
bind_buffer(buf);
glEnableVertexAttribArray(aloc);
@@ -366,7 +364,14 @@ add_attribute_to_vao(int p, ssize_t vao_idx, const char *name, GLint size, GLenu
check_gl();
}
unbind_buffer(buf);
return;
}
static inline void
add_attribute_to_vao(int p, ssize_t vao_idx, const char *name, GLint size, GLenum data_type, GLsizei stride, void *offset, GLuint divisor) {
GLint aloc = attrib_location(p, name);
if (aloc == -1) fatal("No attribute named: %s found in this program", name);
add_located_attribute_to_vao(vao_idx, aloc, size, data_type, stride, offset, divisor);
}
static void