comparison: src/scene.c
src/scene.c
- changeset 144
- 43636d6a6e25
- parent 143
- 4db4f00493ad
- child 148
- 9f030f402699
equal
deleted
inserted
replaced
| 143:4db4f00493ad | 144:43636d6a6e25 |
|---|---|
| 76 } | 76 } |
| 77 } | 77 } |
| 78 } | 78 } |
| 79 } | 79 } |
| 80 | 80 |
| 81 void asc_scene_draw_sprites( | 81 static void asc_scene_draw_sprites( |
| 82 const AscScene *scene, | 82 const AscScene *scene, |
| 83 const CxList *opaque_rect, | 83 const CxList *opaque, |
| 84 const CxList *opaque_uv, | 84 const CxList *blend |
| 85 const CxList *blend_rect, | |
| 86 const CxList *blend_uv | |
| 87 ) { | 85 ) { |
| 86 glEnable(GL_DEPTH_TEST); | |
| 87 glClear(GL_DEPTH_BUFFER_BIT); | |
| 88 const AscCamera *camera = asc_scene_camera(scene); | |
| 89 | |
| 88 // render opaque sprites from front to back | 90 // render opaque sprites from front to back |
| 89 CxIterator iter_opaque_rect = cxListBackwardsIterator(opaque_rect); | 91 CxIterator iter_opaque = cxListBackwardsIterator(opaque); |
| 90 CxIterator iter_opaque_uv = cxListBackwardsIterator(opaque_uv); | |
| 91 | 92 |
| 92 // render sprites with alpha value from back to front | 93 // render sprites with alpha value from back to front |
| 93 CxIterator iter_blend_rect = cxListIterator(blend_rect); | 94 CxIterator iter_blend = cxListIterator(blend); |
| 94 CxIterator iter_blend_uv = cxListIterator(blend_uv); | |
| 95 | 95 |
| 96 // TODO: implement interleaving by depth | 96 // TODO: implement interleaving by depth |
| 97 if (cxIteratorValid(iter_opaque_rect)) { | 97 // TODO: implement sorting by shader ID to reduce shader switches |
| 98 // TODO: add abstraction, because otherwise this will explode really fast when we start adding primitive shaders | 98 if (cxIteratorValid(iter_opaque)) { |
| 99 glDisable(GL_BLEND); | 99 glDisable(GL_BLEND); |
| 100 const AscShaderProgram *shader = asc_sprite_shader_rect(); | 100 cx_foreach(const AscSprite*, node, iter_opaque) { |
| 101 asc_shader_use(shader, &scene->camera); | 101 asc_sprite_draw(camera, node); |
| 102 cx_foreach(const AscSprite*, node, iter_opaque_rect) { | 102 } |
| 103 asc_sprite_draw(shader, node); | 103 } |
| 104 } | 104 if (cxIteratorValid(iter_blend)) { |
| 105 } | |
| 106 if (cxIteratorValid(iter_opaque_uv)) { | |
| 107 glDisable(GL_BLEND); | |
| 108 const AscShaderProgram *shader = asc_sprite_shader_uv(); | |
| 109 asc_shader_use(shader, &scene->camera); | |
| 110 cx_foreach(const AscSprite*, node, iter_opaque_uv) { | |
| 111 asc_sprite_draw(shader, node); | |
| 112 } | |
| 113 } | |
| 114 if (cxIteratorValid(iter_blend_rect)) { | |
| 115 glEnable(GL_BLEND); | 105 glEnable(GL_BLEND); |
| 116 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | 106 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
| 117 const AscShaderProgram *shader = asc_sprite_shader_rect(); | 107 cx_foreach(const AscSprite*, node, iter_blend) { |
| 118 asc_shader_use(shader, &scene->camera); | 108 asc_sprite_draw(camera, node); |
| 119 cx_foreach(const AscSprite*, node, iter_blend_rect) { | |
| 120 asc_sprite_draw(shader, node); | |
| 121 } | |
| 122 } | |
| 123 if (cxIteratorValid(iter_blend_uv)) { | |
| 124 glEnable(GL_BLEND); | |
| 125 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
| 126 const AscShaderProgram *shader = asc_sprite_shader_uv(); | |
| 127 asc_shader_use(shader, &scene->camera); | |
| 128 cx_foreach(const AscSprite*, node, iter_blend_uv) { | |
| 129 asc_sprite_draw(shader, node); | |
| 130 } | 109 } |
| 131 } | 110 } |
| 132 } | 111 } |
| 133 | 112 |
| 134 void asc_scene_draw(AscScene *scene) { | 113 void asc_scene_draw(AscScene *scene) { |
| 227 | 206 |
| 228 // ------------------------- | 207 // ------------------------- |
| 229 // process the render groups | 208 // process the render groups |
| 230 // ------------------------- | 209 // ------------------------- |
| 231 | 210 |
| 211 // clear any previously active shader / camera combination | |
| 212 asc_shader_use(NULL, NULL); | |
| 213 | |
| 232 // 2D Elements | 214 // 2D Elements |
| 233 // =========== | 215 // =========== |
| 234 glEnable(GL_DEPTH_TEST); | |
| 235 glClear(GL_DEPTH_BUFFER_BIT); | |
| 236 | 216 |
| 237 // Sprites | 217 // Sprites |
| 238 // ------- | 218 // ------- |
| 239 asc_scene_draw_sprites(scene, | 219 asc_scene_draw_sprites(scene, |
| 240 render_group[ASC_RENDER_GROUP_SPRITE_OPAQUE_RECT], | 220 render_group[ASC_RENDER_GROUP_SPRITE_OPAQUE], |
| 241 render_group[ASC_RENDER_GROUP_SPRITE_OPAQUE_UV], | 221 render_group[ASC_RENDER_GROUP_SPRITE_BLEND] |
| 242 render_group[ASC_RENDER_GROUP_SPRITE_BLEND_RECT], | |
| 243 render_group[ASC_RENDER_GROUP_SPRITE_BLEND_UV] | |
| 244 ); | 222 ); |
| 245 } | 223 } |
| 246 | 224 |
| 247 void asc_scene_add_node(AscScene *scene, AscSceneNode *node) { | 225 void asc_scene_add_node(AscScene *scene, AscSceneNode *node) { |
| 248 asc_scene_node_link(scene->root, node); | 226 asc_scene_node_link(scene->root, node); |
