comparison: src/mesh.c
src/mesh.c
- changeset 145
- a3231310d66d
- parent 122
- 1b118cd3e369
equal
deleted
inserted
replaced
| 144:43636d6a6e25 | 145:a3231310d66d |
|---|---|
| 80 void asc_mesh_init_plane_2d(AscMesh *mesh, struct asc_mesh_init_plane_2d_args args) { | 80 void asc_mesh_init_plane_2d(AscMesh *mesh, struct asc_mesh_init_plane_2d_args args) { |
| 81 if (mesh->vbo == 0) { | 81 if (mesh->vbo == 0) { |
| 82 asc_mesh_allocate_buffers(mesh, 1); | 82 asc_mesh_allocate_buffers(mesh, 1); |
| 83 } | 83 } |
| 84 | 84 |
| 85 unsigned required_memory = 4 * sizeof(AscMeshVertex2d); | 85 unsigned required_memory = 4 * sizeof(asc_vertex2d); |
| 86 | 86 |
| 87 // free any previous data | 87 // free any previous data |
| 88 if (mesh->vtx_data && mesh->vtx_data_size < required_memory) { | 88 if (mesh->vtx_data && mesh->vtx_data_size < required_memory) { |
| 89 cxFreeDefault(mesh->vtx_data); | 89 cxFreeDefault(mesh->vtx_data); |
| 90 mesh->vtx_data = NULL; | 90 mesh->vtx_data = NULL; |
| 91 } | 91 } |
| 92 | 92 |
| 93 // allocate memory | 93 // allocate memory |
| 94 AscMeshVertex2d *data; | 94 asc_vertex2d *data; |
| 95 if (mesh->vtx_data == NULL) { | 95 if (mesh->vtx_data == NULL) { |
| 96 asc_dprintf("Create plane in VBO %u and VAO %u", mesh->vbo, mesh->vao); | 96 asc_dprintf("Create plane in VBO %u and VAO %u", mesh->vbo, mesh->vao); |
| 97 mesh->vtx_data_size = required_memory; | 97 mesh->vtx_data_size = required_memory; |
| 98 data = cxMallocDefault(mesh->vtx_data_size); | 98 data = cxMallocDefault(mesh->vtx_data_size); |
| 99 mesh->vtx_data = (float*) data; | 99 mesh->vtx_data = (float*) data; |
| 100 } else { | 100 } else { |
| 101 data = (AscMeshVertex2d*) mesh->vtx_data; | 101 data = (asc_vertex2d*) mesh->vtx_data; |
| 102 } | 102 } |
| 103 mesh->vtx_count = 4; | 103 mesh->vtx_count = 4; |
| 104 | 104 |
| 105 // default values | 105 // default values |
| 106 args.size.x = ASC_NONZERO_OR(1.f, args.size.x); | 106 args.size.x = ASC_NONZERO_OR(1.f, args.size.x); |
| 122 data[3].uv = asc_vec2f_new(args.uv_offset.x + args.uv_scale.x, args.uv_offset.y + args.uv_scale.y); | 122 data[3].uv = asc_vec2f_new(args.uv_offset.x + args.uv_scale.x, args.uv_offset.y + args.uv_scale.y); |
| 123 glBindBuffer(GL_ARRAY_BUFFER, mesh->vbo); | 123 glBindBuffer(GL_ARRAY_BUFFER, mesh->vbo); |
| 124 glBufferData(GL_ARRAY_BUFFER, mesh->vtx_data_size, mesh->vtx_data, GL_STATIC_DRAW); | 124 glBufferData(GL_ARRAY_BUFFER, mesh->vtx_data_size, mesh->vtx_data, GL_STATIC_DRAW); |
| 125 // TODO: this should not be repeated for every adjustment - but it will be moved to the batch renderer anyway | 125 // TODO: this should not be repeated for every adjustment - but it will be moved to the batch renderer anyway |
| 126 glBindVertexArray(mesh->vao); | 126 glBindVertexArray(mesh->vao); |
| 127 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(AscMeshVertex2d), (void*)offsetof(AscMeshVertex2d, pos)); | 127 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(asc_vertex2d), (void*)offsetof(asc_vertex2d, pos)); |
| 128 glEnableVertexAttribArray(0); | 128 glEnableVertexAttribArray(0); |
| 129 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(AscMeshVertex2d), (void*)offsetof(AscMeshVertex2d, uv)); | 129 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(asc_vertex2d), (void*)offsetof(asc_vertex2d, uv)); |
| 130 glEnableVertexAttribArray(1); | 130 glEnableVertexAttribArray(1); |
| 131 } | 131 } |
