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-rw-r--r--include/mgl/gl.h2
-rw-r--r--src/gl.c2
-rw-r--r--src/graphics/vertex_buffer.c1
-rw-r--r--src/window/window.c2
-rw-r--r--tests/main.c56
5 files changed, 51 insertions, 12 deletions
diff --git a/include/mgl/gl.h b/include/mgl/gl.h
index a13406e..c9a709d 100644
--- a/include/mgl/gl.h
+++ b/include/mgl/gl.h
@@ -67,6 +67,8 @@ typedef struct {
void (*glAttachShader)(unsigned int program, unsigned int shader);
int (*glGetUniformLocation)(unsigned int program, const char *name);
void (*glUniform2fv)(int location, int count, const float *value);
+ unsigned int (*glGetError)(void);
+ const unsigned char* (*glGetString)(unsigned int name);
/* Optional*/
void (*glXSwapIntervalEXT)(Display * dpy, GLXDrawable drawable, int interval);
diff --git a/src/gl.c b/src/gl.c
index 4227d9e..c54bbbf 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -82,6 +82,8 @@ int mgl_gl_load(mgl_gl *self) {
{ &self->glAttachShader, "glAttachShader" },
{ &self->glGetUniformLocation, "glGetUniformLocation" },
{ &self->glUniform2fv, "glUniform2fv" },
+ { &self->glGetError, "glGetError" },
+ { &self->glGetString, "glGetString" },
{ NULL, NULL }
};
diff --git a/src/graphics/vertex_buffer.c b/src/graphics/vertex_buffer.c
index aa4fdbb..9203d63 100644
--- a/src/graphics/vertex_buffer.c
+++ b/src/graphics/vertex_buffer.c
@@ -104,6 +104,7 @@ void mgl_vertex_buffer_draw(mgl_context *context, mgl_vertex_buffer *vertex_buff
context->gl.glBindTexture(GL_TEXTURE_2D, texture ? texture->id : 0);
context->gl.glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer->id);
+ mgl_vertex_buffer_set_gl_buffer_pointers(context);
context->gl.glDrawArrays(mgl_primitive_type_to_gl_mode(vertex_buffer->primitive_type), 0, vertex_buffer->vertex_count);
context->gl.glBindBuffer(GL_ARRAY_BUFFER, 0);
context->gl.glBindTexture(GL_TEXTURE_2D, 0);
diff --git a/src/window/window.c b/src/window/window.c
index f29b920..94756cd 100644
--- a/src/window/window.c
+++ b/src/window/window.c
@@ -103,8 +103,8 @@ static int mgl_window_init(mgl_window *self, const char *title, int width, int h
context->gl.glEnable(GL_BLEND);
context->gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
context->gl.glEnableClientState(GL_VERTEX_ARRAY);
- context->gl.glEnableClientState(GL_COLOR_ARRAY);
context->gl.glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ context->gl.glEnableClientState(GL_COLOR_ARRAY);
XWindowAttributes gwa;
gwa.width = 0;
diff --git a/tests/main.c b/tests/main.c
index 53134b9..98c68ad 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -14,7 +14,8 @@
typedef struct {
mgl_texture *texture;
mgl_font *font;
- mgl_vertex_buffer *vertex_buffer;
+ mgl_vertex_buffer *vertex_buffer1;
+ mgl_vertex_buffer *vertex_buffer2;
mgl_shader_program *shader_program;
mgl_clock clock;
} Userdata;
@@ -47,8 +48,11 @@ static void draw(mgl_window *window, void *userdata) {
mgl_text_draw(context, &text);
mgl_text_deinit(&text);
- mgl_vertex_buffer_set_position(u->vertex_buffer, (mgl_vec2f){ window->cursor_position.x, window->cursor_position.y });
- mgl_vertex_buffer_draw(context, u->vertex_buffer, &u->font->texture);
+ mgl_vertex_buffer_set_position(u->vertex_buffer1, (mgl_vec2f){ window->cursor_position.x, window->cursor_position.y });
+ mgl_vertex_buffer_draw(context, u->vertex_buffer1, &u->font->texture);
+
+ mgl_vertex_buffer_set_position(u->vertex_buffer2, (mgl_vec2f){ window->cursor_position.x, window->cursor_position.y + 500 });
+ mgl_vertex_buffer_draw(context, u->vertex_buffer2, &u->font->texture);
}
int main(int argc, char **argv) {
@@ -57,13 +61,15 @@ int main(int argc, char **argv) {
mgl_texture texture;
mgl_font font;
- mgl_vertex_buffer vertex_buffer;
+ mgl_vertex_buffer vertex_buffer1;
+ mgl_vertex_buffer vertex_buffer2;
mgl_shader_program shader_program;
Userdata userdata;
userdata.texture = &texture;
userdata.font = &font;
- userdata.vertex_buffer = &vertex_buffer;
+ userdata.vertex_buffer1 = &vertex_buffer1;
+ userdata.vertex_buffer2 = &vertex_buffer2;
userdata.shader_program = &shader_program;
mgl_clock_init(&userdata.clock);
@@ -86,9 +92,10 @@ int main(int argc, char **argv) {
if(mgl_shader_program_finalize(&shader_program) != 0)
return 1;
- mgl_vertex_buffer_init(&vertex_buffer);
+ mgl_vertex_buffer_init(&vertex_buffer1);
+ mgl_vertex_buffer_init(&vertex_buffer2);
- mgl_vertex vertices[4] = {
+ mgl_vertex vertices1[4] = {
(mgl_vertex){
.position = {0.0f, 0.0f},
.texcoords = {0.0f, 0.0f},
@@ -100,18 +107,44 @@ int main(int argc, char **argv) {
.color = {0, 255, 0, 100},
},
(mgl_vertex){
- .position = {font.texture.width, font.texture.height},
+ .position = {font.texture.width, font.texture.height/2},
+ .texcoords = {1.0f, 0.5f},
+ .color = {0, 0, 255, 100},
+ },
+ (mgl_vertex){
+ .position = {0.0f, font.texture.height/2},
+ .texcoords = {0.0f, 0.5f},
+ .color = {255, 0, 255, 100}
+ }
+ };
+
+ mgl_vertex vertices2[4] = {
+ (mgl_vertex){
+ .position = {0.0f, 0.0f},
+ .texcoords = {0.0f, 0.5f},
+ .color = {255, 0, 0, 100}
+ },
+ (mgl_vertex){
+ .position = {font.texture.width, 0.0f},
+ .texcoords = {1.0f, 0.5f},
+ .color = {0, 255, 0, 100},
+ },
+ (mgl_vertex){
+ .position = {font.texture.width, font.texture.height/2},
.texcoords = {1.0f, 1.0f},
.color = {0, 0, 255, 100},
},
(mgl_vertex){
- .position = {0.0f, font.texture.height},
+ .position = {0.0f, font.texture.height/2},
.texcoords = {0.0f, 1.0f},
.color = {255, 0, 255, 100}
}
};
- if(mgl_vertex_buffer_update(&vertex_buffer, vertices, 4, MGL_PRIMITIVE_QUADS, MGL_USAGE_STATIC) != 0)
+ if(mgl_vertex_buffer_update(&vertex_buffer1, vertices1, 4, MGL_PRIMITIVE_QUADS, MGL_USAGE_STATIC) != 0)
+ return 1;
+
+ if(mgl_vertex_buffer_update(&vertex_buffer2, vertices2, 4, MGL_PRIMITIVE_QUADS, MGL_USAGE_STATIC) != 0)
return 1;
fprintf(stderr, "Font texture width: %d, texture height: %d\n", font.texture.width, font.texture.height);
@@ -127,7 +160,8 @@ int main(int argc, char **argv) {
mgl_window_display(&window);
}
- mgl_vertex_buffer_deinit(&vertex_buffer);
+ mgl_vertex_buffer_deinit(&vertex_buffer2);
+ mgl_vertex_buffer_deinit(&vertex_buffer1);
mgl_shader_program_deinit(&shader_program);
mgl_font_unload(&font);
mgl_texture_unload(&texture);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 07:02:56 +0000