Example #1
0
int main(int argc, char **argv)
{
    int rv;
    int width = 256;
    int height = 256;
    
    fb_info fb;
    rv = fb_open(0, &fb);
    if(rv!=0)
    {
        exit(1);
    }
    width = fb.fb_var.xres;
    height = fb.fb_var.yres;

    rv = viv_open();
    if(rv!=0)
    {
        fprintf(stderr, "Error opening device\n");
        exit(1);
    }
    printf("Succesfully opened device\n");

    etna_ctx *ctx = 0;
    struct pipe_context *pipe = 0;
    etna_bswap_buffers *buffers = 0;
    if(etna_create(&ctx) != ETNA_OK ||
        etna_bswap_create(ctx, &buffers, (etna_set_buffer_cb_t)&fb_set_buffer, (etna_copy_buffer_cb_t)&etna_fb_copy_buffer, &fb) != ETNA_OK ||
        (pipe = etna_new_pipe_context(ctx)) == NULL)
    {
        printf("Unable to create etna context\n");
        exit(1);
    }

    /* Convert and upload embedded texture */
    struct pipe_resource *tex_resource = etna_pipe_create_2d(pipe, ETNA_IS_TEXTURE, PIPE_FORMAT_B8G8R8X8_UNORM, 
            COMPANION_TEXTURE_WIDTH, COMPANION_TEXTURE_HEIGHT, 0);
    void *temp = malloc(COMPANION_TEXTURE_WIDTH * COMPANION_TEXTURE_HEIGHT * 4); 
    etna_convert_r8g8b8_to_b8g8r8x8(temp, (const uint8_t*)companion_texture, COMPANION_TEXTURE_WIDTH * COMPANION_TEXTURE_HEIGHT);
    etna_pipe_inline_write(pipe, tex_resource, 0, 0, temp, COMPANION_TEXTURE_WIDTH * COMPANION_TEXTURE_HEIGHT * 4);
    free(temp);

    /* resources */
    struct pipe_resource *rt_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_B8G8R8X8_UNORM, width, height, 0);
    struct pipe_resource *z_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_Z16_UNORM, width, height, 0);

    /* bind render target to framebuffer */
    etna_fb_bind_resource(&fb, rt_resource);

    /* geometry */
    struct pipe_resource *vtx_resource = etna_pipe_create_buffer(pipe, ETNA_IS_VERTEX, VERTEX_BUFFER_SIZE);
    struct pipe_resource *idx_resource = etna_pipe_create_buffer(pipe, ETNA_IS_INDEX, INDEX_BUFFER_SIZE);

    float *vtx_logical = etna_pipe_get_resource_ptr(pipe, vtx_resource, 0, 0);
    assert(vtx_logical);
    float *idx_logical = etna_pipe_get_resource_ptr(pipe, idx_resource, 0, 0);
    assert(idx_logical);
#ifndef INDEXED
    printf("Interleaving vertices...\n");
    float *vertices_array = companion_vertices_array();
    float *texture_coordinates_array =
            companion_texture_coordinates_array();
    float *normals_array = companion_normals_array();
    assert(COMPANION_ARRAY_COUNT*(3+3+2)*sizeof(float) < VERTEX_BUFFER_SIZE);
    for(int vert=0; vert<COMPANION_ARRAY_COUNT; ++vert)
    {
        int dest_idx = vert * (3 + 3 + 2);
        for(int comp=0; comp<3; ++comp)
            ((float*)vtx_logical)[dest_idx+comp+0] = vertices_array[vert*3 + comp]; /* 0 */
        for(int comp=0; comp<3; ++comp)
            ((float*)vtx_logical)[dest_idx+comp+3] = normals_array[vert*3 + comp]; /* 1 */
        for(int comp=0; comp<2; ++comp)
            ((float*)vtx_logical)[dest_idx+comp+6] = texture_coordinates_array[vert*2 + comp]; /* 2 */
    }
#else
    printf("Interleaving vertices and copying index buffer...\n");
    assert(COMPANION_VERTEX_COUNT*(3+3+2)*sizeof(float) < VERTEX_BUFFER_SIZE);
    for(int vert=0; vert<COMPANION_VERTEX_COUNT; ++vert)
    {
        int dest_idx = vert * (3 + 3 + 2);
        for(int comp=0; comp<3; ++comp)
            ((float*)vtx_logical)[dest_idx+comp+0] = companion_vertices[vert][comp]; /* 0 */
        for(int comp=0; comp<3; ++comp)
            ((float*)vtx_logical)[dest_idx+comp+3] = companion_normals[vert][comp]; /* 1 */
        for(int comp=0; comp<2; ++comp)
            ((float*)vtx_logical)[dest_idx+comp+6] = companion_texture_coordinates[vert][comp]; /* 2 */
    }
    assert(COMPANION_TRIANGLE_COUNT*3*sizeof(unsigned short) < INDEX_BUFFER_SIZE);
    memcpy(idx_logical, &companion_triangles[0][0], COMPANION_TRIANGLE_COUNT*3*sizeof(unsigned short));
#endif
    struct pipe_vertex_buffer vertex_buffer_desc = {
            .stride = (3 + 3 + 2)*4,
            .buffer_offset = 0,
            .buffer = vtx_resource,
            .user_buffer = 0
            };
    struct pipe_index_buffer index_buffer_desc = {
            .index_size = sizeof(unsigned short),
            .offset = 0,
            .buffer = idx_resource,
            .user_buffer = 0
            };
    struct pipe_vertex_element pipe_vertex_elements[] = {
        { /* positions */
            .src_offset = 0,
            .instance_divisor = 0,
            .vertex_buffer_index = 0,
            .src_format = PIPE_FORMAT_R32G32B32_FLOAT 
        },
        { /* normals */
            .src_offset = 0xc,
            .instance_divisor = 0,
            .vertex_buffer_index = 0,
            .src_format = PIPE_FORMAT_R32G32B32_FLOAT 
        },
        { /* texture coord */
            .src_offset = 0x18,
            .instance_divisor = 0,
            .vertex_buffer_index = 0,
            .src_format = PIPE_FORMAT_R32G32_FLOAT
        }
    };
Example #2
0
            .maxx = 65535,
            .maxy = 65535
            });
    pipe->set_viewport_state(pipe, &(struct pipe_viewport_state){
            .scale = {width/2.0f, height/2.0f, 0.5f, 1.0f},
            .translate = {width/2.0f, height/2.0f, 0.5f, 1.0f}
            });
    pipe->set_fragment_sampler_views(pipe, 1, &sampler_view);
    pipe->set_vertex_buffers(pipe, 0, 1, &vertex_buffer_desc);
    pipe->set_index_buffer(pipe, NULL);
    
    void *shader_state = pipe->create_etna_shader_state(pipe, &shader);
    pipe->bind_etna_shader_state(pipe, shader_state);
    
    /* Fill in particle data array */
    float *vtx_logical = etna_pipe_get_resource_ptr(pipe, vtx_resource, 0, 0);
    srand(0);
    for(int i = 0; i < NUM_PARTICLES; i++)
    {
       float *particleData = &vtx_logical[i * PARTICLE_SIZE];
   
       // Lifetime of particle
       (*particleData++) = ( (float)(rand() % 10000) / 10000.0f );

       // End position of particle
       (*particleData++) = ( (float)(rand() % 10000) / 5000.0f ) - 1.0f;
       (*particleData++) = ( (float)(rand() % 10000) / 5000.0f ) - 1.0f;
       (*particleData++) = ( (float)(rand() % 10000) / 5000.0f ) - 1.0f;

       // Start position of particle
       (*particleData++) = ( (float)(rand() % 10000) / 40000.0f ) - 0.125f;
Example #3
0
int main(int argc, char **argv)
{
    int rv;
    int width = 256;
    int height = 256;
    
    fb_info fb;
    rv = fb_open(0, &fb);
    if(rv!=0)
    {
        exit(1);
    }
    width = fb.fb_var.xres;
    height = fb.fb_var.yres;

    rv = viv_open();
    if(rv!=0)
    {
        fprintf(stderr, "Error opening device\n");
        exit(1);
    }
    printf("Succesfully opened device\n");

    etna_ctx *ctx = 0;
    struct pipe_context *pipe = 0;
    etna_bswap_buffers *buffers = 0;
    if(etna_create(&ctx) != ETNA_OK ||
        etna_bswap_create(ctx, &buffers, (etna_set_buffer_cb_t)&fb_set_buffer, (etna_copy_buffer_cb_t)&etna_fb_copy_buffer, &fb) != ETNA_OK ||
        (pipe = etna_new_pipe_context(ctx)) == NULL)
    {
        printf("Unable to create etna context\n");
        exit(1);
    }

    /* resources */
    struct pipe_resource *rt_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_B8G8R8X8_UNORM, width, height, 0);
    struct pipe_resource *z_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_Z16_UNORM, width, height, 0);
    struct pipe_resource *vtx_resource = etna_pipe_create_buffer(pipe, ETNA_IS_VERTEX, VERTEX_BUFFER_SIZE);
    
    /* bind render target to framebuffer */
    etna_fb_bind_resource(&fb, rt_resource);

    /* interleave vertex data */
    float *vtx_logical = etna_pipe_get_resource_ptr(pipe, vtx_resource, 0, 0);
    assert(vtx_logical);
    for(int vert=0; vert<NUM_VERTICES; ++vert)
    {
        int dest_idx = vert * (3 + 3 + 3);
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+0] = vVertices[vert*3 + comp]; /* 0 */
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+3] = vNormals[vert*3 + comp]; /* 1 */
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+6] = vColors[vert*3 + comp]; /* 2 */
    }

    /* compile gallium3d states */
    void *blend = pipe->create_blend_state(pipe, &(struct pipe_blend_state) {
                .rt[0] = {
                    .blend_enable = 1,
                    .rgb_func = PIPE_BLEND_ADD,
                    .rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA,
                    .rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA,
                    .alpha_func = PIPE_BLEND_ADD,
                    .alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA,
                    .alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA,
                    .colormask = 0xf
                }
            });
Example #4
0
int main(int argc, char **argv)
{
    int rv;
    int width = 256;
    int height = 256;
    
    fb_info fb;
    rv = fb_open(0, &fb);
    if(rv!=0)
    {
        exit(1);
    }
    width = fb.fb_var.xres;
    height = fb.fb_var.yres;

    rv = viv_open();
    if(rv!=0)
    {
        fprintf(stderr, "Error opening device\n");
        exit(1);
    }
    printf("Succesfully opened device\n");

    etna_ctx *ctx = 0;
    struct pipe_context *pipe = 0;
    etna_bswap_buffers *buffers = 0;
    if(etna_create(&ctx) != ETNA_OK ||
        etna_bswap_create(ctx, &buffers, (etna_set_buffer_cb_t)&fb_set_buffer, (etna_copy_buffer_cb_t)&etna_fb_copy_buffer, &fb) != ETNA_OK ||
        (pipe = etna_new_pipe_context(ctx)) == NULL)
    {
        printf("Unable to create etna context\n");
        exit(1);
    }

    struct pipe_resource *tex_resource = etna_pipe_create_2d(pipe, ETNA_IS_TEXTURE | ETNA_IS_CUBEMAP, FMT_X8R8G8B8, 1, 1, 0);
    
    uint32_t tex_data[6] = {
        0xffff0000,
        0xff00ff00,
        0xff0000ff,
        0xffffff00,
        0xffff00ff,
        0xffffffff
    };
    for(int layerid=0; layerid<6; ++layerid)
        etna_pipe_inline_write(pipe, tex_resource, layerid, 0, &tex_data[layerid], sizeof(uint32_t));

    /* resources */
    struct pipe_resource *rt_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_B8G8R8X8_UNORM, width, height, 0);
    struct pipe_resource *z_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_Z16_UNORM, width, height, 0);
    struct pipe_resource *vtx_resource = etna_pipe_create_buffer(pipe, ETNA_IS_VERTEX, VERTEX_BUFFER_SIZE);
    struct pipe_resource *idx_resource = etna_pipe_create_buffer(pipe, ETNA_IS_INDEX, VERTEX_BUFFER_SIZE);
    
    /* bind render target to framebuffer */
    etna_fb_bind_resource(&fb, rt_resource);

    /* Phew, now we got all the memory we need.
     * Write interleaved attribute vertex stream.
     * Unlike the GL example we only do this once, not every time glDrawArrays is called, the same would be accomplished
     * from GL by using a vertex buffer object.
     */
    GLfloat *vVertices;
    GLfloat *vNormals;
    GLfloat *vTexCoords;
    GLushort *vIndices;
    int numVertices = 0;
    int numIndices = esGenSphere(20, 1.0f, &vVertices, &vNormals,
                                        &vTexCoords, &vIndices, &numVertices);

    float *vtx_logical = etna_pipe_get_resource_ptr(pipe, vtx_resource, 0, 0);
    for(int vert=0; vert<numVertices; ++vert)
    {
        int dest_idx = vert * (3 + 3 + 2);
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+0] = vVertices[vert*3 + comp]; /* 0 */
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+3] = vNormals[vert*3 + comp]; /* 1 */
        for(int comp=0; comp<2; ++comp)
            vtx_logical[dest_idx+comp+6] = vTexCoords[vert*2 + comp]; /* 2 */
    }
    memcpy(idx_resource->levels[0].logical, vIndices, numIndices*sizeof(GLushort));

    /* compile gallium3d states */
    void *blend = pipe->create_blend_state(pipe, &(struct pipe_blend_state) {
                .rt[0] = {
                    .blend_enable = 0,
                    .rgb_func = PIPE_BLEND_ADD,
                    .rgb_src_factor = PIPE_BLENDFACTOR_ONE,
                    .rgb_dst_factor = PIPE_BLENDFACTOR_ZERO,
                    .alpha_func = PIPE_BLEND_ADD,
                    .alpha_src_factor = PIPE_BLENDFACTOR_ONE,
                    .alpha_dst_factor = PIPE_BLENDFACTOR_ZERO,
                    .colormask = 0xf
                }
            });
Example #5
0
int main(int argc, char **argv)
{
    int rv;
    int width = 256;
    int height = 256;
    
    fb_info fb;
    rv = fb_open(0, &fb);
    if(rv!=0)
    {
        exit(1);
    }
    width = fb.fb_var.xres;
    height = fb.fb_var.yres;

    rv = viv_open();
    if(rv!=0)
    {
        fprintf(stderr, "Error opening device\n");
        exit(1);
    }
    printf("Succesfully opened device\n");

    etna_ctx *ctx = 0;
    struct pipe_context *pipe = 0;
    etna_bswap_buffers *buffers = 0;
    if(etna_create(&ctx) != ETNA_OK ||
        etna_bswap_create(ctx, &buffers, (etna_set_buffer_cb_t)&fb_set_buffer, (etna_copy_buffer_cb_t)&etna_fb_copy_buffer, &fb) != ETNA_OK ||
        (pipe = etna_new_pipe_context(ctx)) == NULL)
    {
        printf("Unable to create etna context\n");
        exit(1);
    }

    dds_texture *dds = 0;
    if(argc<2 || !dds_load(argv[1], &dds))
    {
        printf("Error loading texture\n");
        exit(1);
    }

    uint32_t tex_format = 0;
    uint32_t tex_base_width = dds->slices[0][0].width;
    uint32_t tex_base_height = dds->slices[0][0].height;
    switch(dds->fmt)
    {
    case FMT_A8R8G8B8: tex_format = PIPE_FORMAT_B8G8R8A8_UNORM; break;
    case FMT_X8R8G8B8: tex_format = PIPE_FORMAT_B8G8R8X8_UNORM; break;
    case FMT_DXT1: tex_format = PIPE_FORMAT_DXT1_RGB; break;
    case FMT_DXT3: tex_format = PIPE_FORMAT_DXT3_RGBA; break;
    case FMT_DXT5: tex_format = PIPE_FORMAT_DXT5_RGBA; break;
    case FMT_ETC1: tex_format = PIPE_FORMAT_ETC1_RGB8; break;
    default:
        printf("Unknown texture format\n");
        exit(1);
    }
    
    struct pipe_resource *tex_resource = etna_pipe_create_2d(pipe, ETNA_IS_TEXTURE, tex_format, tex_base_width, tex_base_height, 
            dds->num_mipmaps - 1);
    
    printf("Loading compressed texture (format %i, %ix%i)\n", dds->fmt, tex_base_width, tex_base_height);
    
    for(int ix=0; ix<dds->num_mipmaps; ++ix)
    {
        printf("%08x: Uploading mipmap %i (%ix%i)\n", dds->slices[0][ix].offset, ix, dds->slices[0][ix].width, dds->slices[0][ix].height);
        etna_pipe_inline_write(pipe, tex_resource, 0, ix, dds->slices[0][ix].data, dds->slices[0][ix].size);
    }

    /* resources */
    struct pipe_resource *rt_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_B8G8R8X8_UNORM, width, height, 0);
    struct pipe_resource *z_resource = etna_pipe_create_2d(pipe, ETNA_IS_RENDER_TARGET, PIPE_FORMAT_Z16_UNORM, width, height, 0);
    struct pipe_resource *vtx_resource = etna_pipe_create_buffer(pipe, ETNA_IS_VERTEX, VERTEX_BUFFER_SIZE);

    /* bind render target to framebuffer */
    etna_fb_bind_resource(&fb, rt_resource);

    /* Phew, now we got all the memory we need.
     * Write interleaved attribute vertex stream.
     * Unlike the GL example we only do this once, not every time glDrawArrays is called, the same would be accomplished
     * from GL by using a vertex buffer object.
     */
    float *vtx_logical = etna_pipe_get_resource_ptr(pipe, vtx_resource, 0, 0);
    assert(vtx_logical);
    for(int vert=0; vert<NUM_VERTICES; ++vert)
    {
        int dest_idx = vert * (3 + 3 + 2);
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+0] = vVertices[vert*3 + comp]; /* 0 */
        for(int comp=0; comp<3; ++comp)
            vtx_logical[dest_idx+comp+3] = vNormals[vert*3 + comp]; /* 1 */
        for(int comp=0; comp<2; ++comp)
            vtx_logical[dest_idx+comp+6] = vTexCoords[vert*2 + comp]; /* 2 */
    }

    /* compile gallium3d states */
    void *blend = pipe->create_blend_state(pipe, &(struct pipe_blend_state) {
                .rt[0] = {
                    .blend_enable = 0,
                    .rgb_func = PIPE_BLEND_ADD,
                    .rgb_src_factor = PIPE_BLENDFACTOR_ONE,
                    .rgb_dst_factor = PIPE_BLENDFACTOR_ZERO,
                    .alpha_func = PIPE_BLEND_ADD,
                    .alpha_src_factor = PIPE_BLENDFACTOR_ONE,
                    .alpha_dst_factor = PIPE_BLENDFACTOR_ZERO,
                    .colormask = 0xf
                }
            });