Implement 2d texture
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74fd10883c
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c4291dcc20
@ -23,22 +23,30 @@ int shimatta_opengl_texture_use_in_slot(ShimattaOpenglTexture *texture, unsigned
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ShimattaOpenglTexture *shimatta_opengl_texture_new(void);
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void shimatta_opengl_texture_set_filter(ShimattaOpenglTexture *texture, int filter_s, int filter_t);
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void shimatta_opengl_texture_set_wrap(ShimattaOpenglTexture *texture, int wrap_s, int wrap_t);
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void shimatta_opengl_texture_set_gen_mipmap(ShimattaOpenglTexture *texture, gboolean gen_mipmap);
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int shimatta_opengl_texture_get_filter(ShimattaOpenglTexture *texture, int *filter_s, int *filter_t);
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int shimatta_opengl_texture_get_wrap(ShimattaOpenglTexture *texture, int *wrap_s, int *wrap_t);
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gboolean shimatta_opengl_texture_get_gen_mipmap(ShimattaOpenglTexture *texture);
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int shimatta_opengl_texture_set_data(ShimattaOpenglTexture *texture, unsigned int width, unsigned int height,
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GLenum format, void *buffer);
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int shimatta_opengl_texture_set_from_image(ShimattaOpenglTexture *texture, const char *path);
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int shimatta_opengl_texture_set_data_from_image(ShimattaOpenglTexture *texture, const char *path);
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void shimatta_opengl_texture_set_wrap_s(ShimattaOpenglTexture *self, int wrap_s);
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void shimatta_opengl_texture_set_wrap_t(ShimattaOpenglTexture *self, int wrap_t);
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void shimatta_opengl_texture_set_min_filter(ShimattaOpenglTexture *self, int min_filter);
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void shimatta_opengl_texture_set_mag_filter(ShimattaOpenglTexture *self, int mag_filter);
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void shimatta_opengl_texture_set_gen_mipmap(ShimattaOpenglTexture *self, gboolean gen_mipmap);
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int shimatta_opengl_texture_get_wrap_s(ShimattaOpenglTexture *self);
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int shimatta_opengl_texture_get_wrap_t(ShimattaOpenglTexture *self);
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int shimatta_opengl_texture_get_mag_filter(ShimattaOpenglTexture *self);
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int shimatta_opengl_texture_get_min_filter(ShimattaOpenglTexture *self);
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gboolean shimatta_opengl_texture_get_gen_mipmap(ShimattaOpenglTexture *self);
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G_END_DECLS
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@ -1,15 +1,21 @@
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#include <shimatta-opengl-texture.h>
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#include <stb/stb_image.h>
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#include <epoxy/gl.h>
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typedef struct {
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GLint texture_wrap_s;
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GLint texture_wrap_t;
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GLint texture_min_filter;
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GLint texture_max_filter;
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gboolean generate_mipmap;
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GLuint texture_id;
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} ShimattaOpenglTexturePrivate;
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enum shimatta_opengl_texture_properties {
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PROP_TEXTURE_WRAP_S = 1,
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PROP_TEXTURE_WRAP_T,
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PROP_TEXTURE_MIN_FILTER,
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PROP_TEXTURE_MAG_FILTER,
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PROP_TEXTURE_GEN_MIPMAP,
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N_PROPS_TEXTURE
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};
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G_DEFINE_TYPE_WITH_PRIVATE(ShimattaOpenglTexture, shimatta_opengl_texture, G_TYPE_OBJECT);
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static int shimatta_opengl_texure_use_default_impl(ShimattaOpenglTexture *texture, unsigned int slot, gboolean use_slot)
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@ -42,9 +48,108 @@ static void use_default(ShimattaOpenglTexture *texture)
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(void)shimatta_opengl_texure_use_default_impl(texture, 0U, FALSE);
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}
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static void shimatta_opengl_texture_dispose(ShimattaOpenglTexture *self)
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{
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ShimattaOpenglTexturePrivate *priv;
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priv = shimatta_opengl_texture_get_instance_private(self);
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if (priv->texture_id) {
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glDeleteTextures(1, &priv->texture_id);
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priv->texture_id = 0;
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}
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G_OBJECT_CLASS(shimatta_opengl_texture_parent_class)->dispose(G_OBJECT(self));
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}
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static void shimatta_opengl_texture_get_property(GObject *obj, guint id, GValue *val, GParamSpec *spec)
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{
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ShimattaOpenglTexture *self;
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self = SHIMATTA_OPENGL_TEXTURE(obj);
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switch (id) {
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case PROP_TEXTURE_WRAP_S:
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g_value_set_int(val, shimatta_opengl_texture_get_wrap_s(self));
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break;
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case PROP_TEXTURE_WRAP_T:
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g_value_set_int(val, shimatta_opengl_texture_get_wrap_t(self));
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break;
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case PROP_TEXTURE_GEN_MIPMAP:
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g_value_set_boolean(val, shimatta_opengl_texture_get_gen_mipmap(self));
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break;
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case PROP_TEXTURE_MAG_FILTER:
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g_value_set_int(val, shimatta_opengl_texture_get_mag_filter(self));
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break;
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case PROP_TEXTURE_MIN_FILTER:
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g_value_set_int(val, shimatta_opengl_texture_get_min_filter(self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, id, spec);
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break;
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}
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}
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static void shimatta_opengl_texture_set_property(GObject *obj, guint id, const GValue *value, GParamSpec *spec)
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{
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ShimattaOpenglTexture *self;
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self = SHIMATTA_OPENGL_TEXTURE(obj);
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switch (id) {
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case PROP_TEXTURE_WRAP_S:
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shimatta_opengl_texture_set_wrap_s(self, g_value_get_int(value));
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break;
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case PROP_TEXTURE_WRAP_T:
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shimatta_opengl_texture_set_wrap_t(self, g_value_get_int(value));
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break;
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case PROP_TEXTURE_GEN_MIPMAP:
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shimatta_opengl_texture_set_gen_mipmap(self, g_value_get_boolean(value));
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break;
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case PROP_TEXTURE_MAG_FILTER:
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shimatta_opengl_texture_set_mag_filter(self, g_value_get_int(value));
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break;
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case PROP_TEXTURE_MIN_FILTER:
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shimatta_opengl_texture_set_min_filter(self, g_value_get_int(value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, id, spec);
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break;
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}
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}
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static GParamSpec *shimatta_opengl_texture_props[N_PROPS_TEXTURE] = {NULL, };
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static void shimatta_opengl_texture_class_init(ShimattaOpenglTextureClass *klass)
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{
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GObjectClass *gclass;
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gclass = G_OBJECT_CLASS(klass);
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klass->use = use_default;
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klass->use_in_slot = use_in_slot_default;
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gclass->dispose = (void (*)(GObject *))shimatta_opengl_texture_dispose;
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gclass->set_property = shimatta_opengl_texture_set_property;
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gclass->get_property = shimatta_opengl_texture_get_property;
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shimatta_opengl_texture_props[PROP_TEXTURE_WRAP_S] =
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g_param_spec_int("wrap-s", "WRAP_S", "Wrapping in S",
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0, INT_MAX, GL_REPEAT, G_PARAM_READWRITE);
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shimatta_opengl_texture_props[PROP_TEXTURE_WRAP_T] =
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g_param_spec_int("wrap-t", "WRAP_T", "Wrapping in T",
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0, INT_MAX, GL_REPEAT, G_PARAM_READWRITE);
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shimatta_opengl_texture_props[PROP_TEXTURE_MIN_FILTER] =
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g_param_spec_int("min-filter", "MIN_FILTER", "Min filtering",
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0, INT_MAX, GL_LINEAR, G_PARAM_READWRITE);
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shimatta_opengl_texture_props[PROP_TEXTURE_MAG_FILTER] =
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g_param_spec_int("max-filter", "MAG_FILTER", "Mag filtering",
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0, INT_MAX, GL_LINEAR, G_PARAM_READWRITE);
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shimatta_opengl_texture_props[PROP_TEXTURE_GEN_MIPMAP] =
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g_param_spec_boolean("generate-mipmap", "gen-mipmap", "Generate Mipmap for texture",
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TRUE, G_PARAM_READWRITE);
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g_object_class_install_properties(gclass, N_PROPS_TEXTURE, shimatta_opengl_texture_props);
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}
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static void shimatta_opengl_texture_init(ShimattaOpenglTexture *self)
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@ -53,16 +158,9 @@ static void shimatta_opengl_texture_init(ShimattaOpenglTexture *self)
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priv = shimatta_opengl_texture_get_instance_private(self);
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priv->texture_id = 0;
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priv->texture_wrap_s = GL_REPEAT;
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priv->texture_wrap_s = GL_REPEAT;
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priv->texture_min_filter = GL_LINEAR;
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priv->texture_max_filter = GL_LINEAR;
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priv->generate_mipmap = TRUE;
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glGenTextures(1, &priv->texture_id);
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glBindTexture(GL_TEXTURE_2D, priv->texture_id);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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@ -90,41 +188,10 @@ int shimatta_opengl_texture_use_in_slot(ShimattaOpenglTexture *texture, unsigned
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ShimattaOpenglTexture *shimatta_opengl_texture_new()
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{
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return g_object_new(SHIMATTA_TYPE_OPENGL_TEXTURE, NULL);
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}
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void shimatta_opengl_texture_set_filter(ShimattaOpenglTexture *texture, int filter_s, int filter_t)
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{
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ShimattaOpenglTexturePrivate *priv;
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g_return_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(texture));
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priv = shimatta_opengl_texture_get_instance_private(texture);
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}
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void shimatta_opengl_texture_set_wrap(ShimattaOpenglTexture *texture, int wrap_s, int wrap_t)
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{
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}
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void shimatta_opengl_texture_set_gen_mipmap(ShimattaOpenglTexture *texture, gboolean gen_mipmap)
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{
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}
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int shimatta_opengl_texture_get_filter(ShimattaOpenglTexture *texture, int *filter_s, int *filter_t)
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{
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}
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int shimatta_opengl_texture_get_wrap(ShimattaOpenglTexture *texture, int *filter_s, int *filter_t)
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{
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}
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gboolean shimatta_opengl_texture_get_gen_mipmap(ShimattaOpenglTexture *texture)
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{
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}
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int shimatta_opengl_texture_set_data(ShimattaOpenglTexture *texture, unsigned int width, unsigned int height,
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GLenum format, void *buffer)
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@ -132,17 +199,153 @@ int shimatta_opengl_texture_set_data(ShimattaOpenglTexture *texture, unsigned in
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ShimattaOpenglTexturePrivate *priv;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(texture), -1001);
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g_return_val_if_fail(!!buffer, -1005);
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priv = shimatta_opengl_texture_get_instance_private(texture);
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shimatta_opengl_texture_use(texture);
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glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, GL_UNSIGNED_BYTE, buffer);
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if (priv->generate_mipmap)
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glGenerateMipmap(GL_TEXTURE_2D);
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return 0;
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}
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int shimatta_opengl_texture_set_from_image(ShimattaOpenglTexture *texture, const char *path)
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int shimatta_opengl_texture_set_data_from_image(ShimattaOpenglTexture *texture, const char *path)
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{
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int ret = -1;
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unsigned char *data;
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int width, height;
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int nr_channels;
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GLenum format;
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data = stbi_load(path, &width, &height, &nr_channels, 0);
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if (!data)
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goto go_out;
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switch (nr_channels) {
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case 1:
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format = GL_RED;
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break;
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case 3:
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format = GL_RGB;
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break;
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case 4:
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format = GL_RGBA;
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break;
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}
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shimatta_opengl_texture_set_data(texture, width, height, format, data);
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ret = 0;
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stbi_image_free(data);
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go_out:
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return ret;
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}
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void shimatta_opengl_texture_set_wrap_s(ShimattaOpenglTexture *self, int wrap_s)
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{
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g_return_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self));
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shimatta_opengl_texture_use(self);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s);
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g_object_notify_by_pspec(G_OBJECT(self), shimatta_opengl_texture_props[PROP_TEXTURE_WRAP_S]);
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}
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void shimatta_opengl_texture_set_wrap_t(ShimattaOpenglTexture *self, int wrap_t)
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{
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g_return_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self));
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shimatta_opengl_texture_use(self);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t);
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g_object_notify_by_pspec(G_OBJECT(self), shimatta_opengl_texture_props[PROP_TEXTURE_WRAP_T]);
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}
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void shimatta_opengl_texture_set_min_filter(ShimattaOpenglTexture *self, int min_filter)
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{
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g_return_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self));
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shimatta_opengl_texture_use(self);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter);
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g_object_notify_by_pspec(G_OBJECT(self), shimatta_opengl_texture_props[PROP_TEXTURE_MIN_FILTER]);
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}
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void shimatta_opengl_texture_set_mag_filter(ShimattaOpenglTexture *self, int mag_filter)
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{
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g_return_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self));
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shimatta_opengl_texture_use(self);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter);
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g_object_notify_by_pspec(G_OBJECT(self), shimatta_opengl_texture_props[PROP_TEXTURE_MAG_FILTER]);
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}
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void shimatta_opengl_texture_set_gen_mipmap(ShimattaOpenglTexture *self, gboolean gen_mipmap)
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{
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ShimattaOpenglTexturePrivate *priv;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(texture), -1001);
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priv = shimatta_opengl_texture_get_instance_private(texture);
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priv = shimatta_opengl_texture_get_instance_private(self);
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g_return_if_fail(!!priv);
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return 0;
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priv->generate_mipmap = gen_mipmap;
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}
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int shimatta_opengl_texture_get_wrap_s(ShimattaOpenglTexture *self)
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{
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GLint val;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self), -1);
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shimatta_opengl_texture_use(self);
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glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, &val);
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return val;
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}
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int shimatta_opengl_texture_get_wrap_t(ShimattaOpenglTexture *self)
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{
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GLint val;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self), -1);
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shimatta_opengl_texture_use(self);
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glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, &val);
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return val;
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}
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int shimatta_opengl_texture_get_mag_filter(ShimattaOpenglTexture *self)
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{
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GLint val;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self), -1);
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shimatta_opengl_texture_use(self);
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glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, &val);
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return val;
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}
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int shimatta_opengl_texture_get_min_filter(ShimattaOpenglTexture *self)
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{
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GLint val;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self), -1);
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shimatta_opengl_texture_use(self);
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glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, &val);
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return val;
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}
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gboolean shimatta_opengl_texture_get_gen_mipmap(ShimattaOpenglTexture *self)
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{
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ShimattaOpenglTexturePrivate *priv;
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g_return_val_if_fail(SHIMATTA_IS_OPENGL_TEXTURE(self), -1);
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priv = shimatta_opengl_texture_get_instance_private(self);
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return priv->generate_mipmap;
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}
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