void fbdemo_init(struct fbdemos_scaffold **out)
{
struct fbdemos_scaffold *fbs = CALLOC_STRUCT(fbdemos_scaffold);
int rv;
if(getenv("ETNA_MSAA_SAMPLES"))
fbdemos_msaa_samples = atoi(getenv("ETNA_MSAA_SAMPLES"));
rv = viv_open(VIV_HW_3D, &fbs->conn);
if(rv!=0)
{
fprintf(stderr, "Error opening device\n");
exit(1);
}
printf("Succesfully opened device\n");
rv = fb_open(fbs->conn, 0, &fbs->fb);
if(rv!=0)
{
exit(1);
}
fbs->width = fbs->fb.fb_var.xres;
fbs->height = fbs->fb.fb_var.yres;
/* Create screen */
if((fbs->screen = etna_screen_create(fbs->conn)) == NULL)
{
printf("Unable to create screen context\n");
exit(1);
}
if((fbs->pipe = fbs->screen->context_create(fbs->screen, NULL)) == NULL)
{
printf("Unable to create etna context\n");
exit(1);
}
fbs->ctx = etna_pipe_context(fbs->pipe)->ctx;
if(etna_bswap_create(fbs->ctx, &fbs->buffers, fbs->fb.num_buffers, (etna_set_buffer_cb_t)&fb_set_buffer, (etna_copy_buffer_cb_t)&etna_fb_copy_buffer, &fbs->fb) != ETNA_OK)
{
printf("Unable to create buffer swapper\n");
exit(1);
}
_fbs = fbs;
*out = fbs;
}
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
}
};
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);
}
/* textore */
int tex_base_width = 0;
int tex_base_height = 0;
if(argc<2)
{
printf("Pass path to smoke.tga on command line\n");
exit(1);
}
uint8_t *tex_buffer = (uint8_t*)esLoadTGA(argv[1], &tex_base_width, &tex_base_height );
if(!tex_buffer)
{
printf("Could not load texture\n");
exit(1);
}
struct pipe_resource *tex_resource = etna_pipe_create_2d(pipe, ETNA_IS_TEXTURE, PIPE_FORMAT_B8G8R8X8_UNORM,
tex_base_width, tex_base_height, 0);
printf("Uploading texture (%ix%i)\n", tex_base_width, tex_base_height);
uint32_t *temp = malloc(tex_base_width * tex_base_height * 4);
etna_convert_r8g8b8_to_b8g8r8x8(temp, tex_buffer, tex_base_width * tex_base_height);
etna_pipe_inline_write(pipe, tex_resource, 0, 0, temp, tex_base_width * tex_base_height * 4);
free(temp);
/* render target resources and surfaces */
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);
/* surfaces */
struct pipe_surface *cbuf = pipe->create_surface(pipe, rt_resource, &(struct pipe_surface){
.texture = rt_resource,
.format = rt_resource->format,
.u.tex.level = 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
}
});
int main(int argc, char **argv)
{
int rv;
int width = 256;
int height = 256;
int padded_width, padded_height;
fb_info fb;
rv = fb_open(0, &fb);
if(rv!=0)
{
exit(1);
}
width = fb.fb_var.xres;
height = fb.fb_var.yres;
padded_width = etna_align_up(width, 64);
padded_height = etna_align_up(height, 64);
printf("padded_width %i padded_height %i\n", padded_width, padded_height);
rv = viv_open();
if(rv!=0)
{
fprintf(stderr, "Error opening device\n");
exit(1);
}
printf("Succesfully opened device\n");
etna_ctx *ctx = 0;
if(etna_create(&ctx) != ETNA_OK)
{
printf("Unable to create context\n");
exit(1);
}
/* Initialize buffers synchronization structure */
etna_bswap_buffers *buffers = 0;
if(etna_bswap_create(ctx, &buffers, (int (*)(void *, int))&fb_set_buffer, NULL, &fb) < 0)
{
fprintf(stderr, "Error creating buffer swapper\n");
exit(1);
}
/* Allocate video memory */
etna_vidmem *rt = 0; /* main render target */
etna_vidmem *rt_ts = 0; /* tile status for main render target */
etna_vidmem *z = 0; /* depth for main render target */
etna_vidmem *z_ts = 0; /* depth ts for main render target */
etna_vidmem *vtx = 0; /* vertex buffer */
etna_vidmem *aux_rt = 0; /* auxilary render target */
etna_vidmem *aux_rt_ts = 0; /* tile status for auxilary render target */
etna_vidmem *tex = 0; /* texture */
size_t rt_size = padded_width * padded_height * 4;
size_t rt_ts_size = etna_align_up((padded_width * padded_height * 4)/0x100, 0x100);
size_t z_size = padded_width * padded_height * 2;
size_t z_ts_size = etna_align_up((padded_width * padded_height * 2)/0x100, 0x100);
dds_texture *dds = 0;
if(argc<2 || !dds_load(argv[1], &dds))
{
printf("Error loading texture\n");
exit(1);
}
if(etna_vidmem_alloc_linear(&rt, rt_size, gcvSURF_RENDER_TARGET, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&rt_ts, rt_ts_size, gcvSURF_TILE_STATUS, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&z, z_size, gcvSURF_DEPTH, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&z_ts, z_ts_size, gcvSURF_TILE_STATUS, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&vtx, VERTEX_BUFFER_SIZE, gcvSURF_VERTEX, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&aux_rt, 0x4000, gcvSURF_RENDER_TARGET, gcvPOOL_SYSTEM, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&aux_rt_ts, 0x100, gcvSURF_TILE_STATUS, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&tex, dds->size, gcvSURF_TEXTURE, gcvPOOL_DEFAULT, true)!=ETNA_OK
)
{
fprintf(stderr, "Error allocating video memory\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;
uint32_t tex_base_log_width = (int)(logf(tex_base_width) * RCPLOG2 * 32.0f + 0.5f);
uint32_t tex_base_log_height = (int)(logf(tex_base_height) * RCPLOG2 * 32.0f + 0.5f);
printf("Loading compressed texture (format %i, %ix%i) log_width=%i log_height=%i\n", dds->fmt, tex_base_width, tex_base_height, tex_base_log_width, tex_base_log_height);
if(dds->fmt == FMT_X8R8G8B8 || dds->fmt == FMT_A8R8G8B8)
{
for(int ix=0; ix<dds->num_mipmaps; ++ix)
{
printf("%08x: Tiling mipmap %i (%ix%i)\n", dds->slices[0][ix].offset, ix, dds->slices[0][ix].width, dds->slices[0][ix].height);
etna_texture_tile((void*)((size_t)tex->logical + dds->slices[0][ix].offset),
dds->slices[0][ix].data, dds->slices[0][ix].width, dds->slices[0][ix].height, dds->slices[0][ix].stride, 4);
}
tex_format = TEXTURE_FORMAT_X8R8G8B8;
} else if(dds->fmt == FMT_DXT1 || dds->fmt == FMT_DXT3 || dds->fmt == FMT_DXT5 || dds->fmt == FMT_ETC1)
{
printf("Uploading compressed texture\n");
memcpy(tex->logical, dds->data, dds->size);
switch(dds->fmt)
{
case FMT_DXT1: tex_format = TEXTURE_FORMAT_DXT1; break;
case FMT_DXT3: tex_format = TEXTURE_FORMAT_DXT2_DXT3; break;
case FMT_DXT5: tex_format = TEXTURE_FORMAT_DXT4_DXT5; break;
case FMT_ETC1: tex_format = TEXTURE_FORMAT_ETC1; break;
}
} else
{
printf("Unknown texture format\n");
exit(1);
}
/* 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.
*/
for(int vert=0; vert<NUM_VERTICES; ++vert)
{
int dest_idx = vert * (3 + 3 + 2);
for(int comp=0; comp<3; ++comp)
((float*)vtx->logical)[dest_idx+comp+0] = vVertices[vert*3 + comp]; /* 0 */
for(int comp=0; comp<3; ++comp)
((float*)vtx->logical)[dest_idx+comp+3] = vNormals[vert*3 + comp]; /* 1 */
for(int comp=0; comp<2; ++comp)
((float*)vtx->logical)[dest_idx+comp+6] = vTexCoords[vert*2 + comp]; /* 2 */
}
for(int frame=0; frame<1000; ++frame)
{
if(frame%50 == 0)
printf("*** FRAME %i ****\n", frame);
/* Compute transform matrices in the same way as cube egl demo */
ESMatrix modelview, projection, modelviewprojection;
ESMatrix inverse, normal;
esMatrixLoadIdentity(&modelview);
esTranslate(&modelview, 0.0f, 0.0f, -8.0f);
esRotate(&modelview, 45.0f, 1.0f, 0.0f, 0.0f);
esRotate(&modelview, 45.0f, 0.0f, 1.0f, 0.0f);
esRotate(&modelview, frame*0.5f, 0.0f, 0.0f, 1.0f);
GLfloat aspect = (GLfloat)(height) / (GLfloat)(width);
esMatrixLoadIdentity(&projection);
esFrustum(&projection, -2.8f, +2.8f, -2.8f * aspect, +2.8f * aspect, 6.0f, 10.0f);
esMatrixLoadIdentity(&modelviewprojection);
esMatrixMultiply(&modelviewprojection, &modelview, &projection);
esMatrixInverse3x3(&inverse, &modelview);
esMatrixTranspose(&normal, &inverse);
/* XXX part of this can be put outside the loop, but until we have usable context management
* this is safest.
*/
etna_set_state(ctx, VIVS_RA_CONTROL, 0x3);
etna_set_state(ctx, VIVS_GL_MULTI_SAMPLE_CONFIG,
VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES_NONE |
VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_ENABLES(0xf) /*|
VIVS_GL_MULTI_SAMPLE_CONFIG_UNK12 |
VIVS_GL_MULTI_SAMPLE_CONFIG_UNK16 */
);
etna_set_state(ctx, VIVS_GL_VERTEX_ELEMENT_CONFIG, 0x1);
etna_set_state(ctx, VIVS_GL_VARYING_NUM_COMPONENTS,
VIVS_GL_VARYING_NUM_COMPONENTS_VAR0(4)| /* position */
VIVS_GL_VARYING_NUM_COMPONENTS_VAR1(2) /* texture coordinate */
);
etna_set_state(ctx, VIVS_GL_VARYING_TOTAL_COMPONENTS,
VIVS_GL_VARYING_TOTAL_COMPONENTS_NUM(4 + 2)
);
etna_set_state_multi(ctx, VIVS_GL_VARYING_COMPONENT_USE(0), 2, (uint32_t[]){
VIVS_GL_VARYING_COMPONENT_USE_COMP0(VARYING_COMPONENT_USE_USED) |
VIVS_GL_VARYING_COMPONENT_USE_COMP1(VARYING_COMPONENT_USE_USED) |
VIVS_GL_VARYING_COMPONENT_USE_COMP2(VARYING_COMPONENT_USE_USED) |
VIVS_GL_VARYING_COMPONENT_USE_COMP3(VARYING_COMPONENT_USE_USED) |
VIVS_GL_VARYING_COMPONENT_USE_COMP4(VARYING_COMPONENT_USE_USED) |
VIVS_GL_VARYING_COMPONENT_USE_COMP5(VARYING_COMPONENT_USE_USED)
, 0
});
etna_set_state(ctx, VIVS_PA_W_CLIP_LIMIT, 0x34000001);
etna_set_state(ctx, VIVS_PA_SYSTEM_MODE, 0x11);
etna_set_state(ctx, VIVS_PA_CONFIG, /* VIVS_PA_CONFIG_UNK22 | */
VIVS_PA_CONFIG_CULL_FACE_MODE_CCW |
VIVS_PA_CONFIG_FILL_MODE_SOLID |
VIVS_PA_CONFIG_SHADE_MODEL_SMOOTH /* |
VIVS_PA_CONFIG_POINT_SIZE_ENABLE |
VIVS_PA_CONFIG_POINT_SPRITE_ENABLE*/);
etna_set_state_f32(ctx, VIVS_PA_VIEWPORT_OFFSET_Z, 0.0);
etna_set_state_f32(ctx, VIVS_PA_VIEWPORT_SCALE_Z, 1.0);
etna_set_state_fixp(ctx, VIVS_PA_VIEWPORT_OFFSET_X, width << 15);
etna_set_state_fixp(ctx, VIVS_PA_VIEWPORT_OFFSET_Y, height << 15);
etna_set_state_fixp(ctx, VIVS_PA_VIEWPORT_SCALE_X, width << 15);
etna_set_state_fixp(ctx, VIVS_PA_VIEWPORT_SCALE_Y, height << 15);
etna_set_state(ctx, VIVS_PA_ATTRIBUTE_ELEMENT_COUNT, 0x200);
etna_set_state(ctx, VIVS_PA_SHADER_ATTRIBUTES(0), 0x200);
etna_set_state(ctx, VIVS_PA_SHADER_ATTRIBUTES(1), 0x200);
etna_set_state(ctx, VIVS_SE_CONFIG, 0x0);
etna_set_state(ctx, VIVS_SE_DEPTH_SCALE, 0x0);
etna_set_state(ctx, VIVS_SE_DEPTH_BIAS, 0x0);
etna_set_state_fixp(ctx, VIVS_SE_SCISSOR_LEFT, 0);
etna_set_state_fixp(ctx, VIVS_SE_SCISSOR_TOP, 0);
etna_set_state_fixp(ctx, VIVS_SE_SCISSOR_RIGHT, (width << 16) | 5);
etna_set_state_fixp(ctx, VIVS_SE_SCISSOR_BOTTOM, (height << 16) | 5);
etna_set_state(ctx, VIVS_PE_ALPHA_CONFIG,
/* VIVS_PE_ALPHA_CONFIG_BLEND_ENABLE_COLOR | */
/* VIVS_PE_ALPHA_CONFIG_BLEND_ENABLE_ALPHA | */
VIVS_PE_ALPHA_CONFIG_SRC_FUNC_COLOR(BLEND_FUNC_ONE) |
VIVS_PE_ALPHA_CONFIG_SRC_FUNC_ALPHA(BLEND_FUNC_ONE) |
VIVS_PE_ALPHA_CONFIG_DST_FUNC_COLOR(BLEND_FUNC_ZERO) |
VIVS_PE_ALPHA_CONFIG_DST_FUNC_ALPHA(BLEND_FUNC_ZERO) |
VIVS_PE_ALPHA_CONFIG_EQ_COLOR(BLEND_EQ_ADD) |
VIVS_PE_ALPHA_CONFIG_EQ_ALPHA(BLEND_EQ_ADD));
etna_set_state(ctx, VIVS_PE_ALPHA_BLEND_COLOR,
VIVS_PE_ALPHA_BLEND_COLOR_B(0) |
VIVS_PE_ALPHA_BLEND_COLOR_G(0) |
VIVS_PE_ALPHA_BLEND_COLOR_R(0) |
VIVS_PE_ALPHA_BLEND_COLOR_A(0));
etna_set_state(ctx, VIVS_PE_ALPHA_OP, /* VIVS_PE_ALPHA_OP_ALPHA_TEST */ 0);
etna_set_state(ctx, VIVS_PE_STENCIL_CONFIG, VIVS_PE_STENCIL_CONFIG_REF_FRONT(0) |
VIVS_PE_STENCIL_CONFIG_MASK_FRONT(0xff) |
VIVS_PE_STENCIL_CONFIG_WRITE_MASK(0xff) |
VIVS_PE_STENCIL_CONFIG_MODE_DISABLED);
etna_set_state(ctx, VIVS_PE_STENCIL_OP, VIVS_PE_STENCIL_OP_FUNC_FRONT(COMPARE_FUNC_ALWAYS) |
VIVS_PE_STENCIL_OP_FUNC_BACK(COMPARE_FUNC_ALWAYS) |
VIVS_PE_STENCIL_OP_FAIL_FRONT(STENCIL_OP_KEEP) |
VIVS_PE_STENCIL_OP_FAIL_BACK(STENCIL_OP_KEEP) |
VIVS_PE_STENCIL_OP_DEPTH_FAIL_FRONT(STENCIL_OP_KEEP) |
VIVS_PE_STENCIL_OP_DEPTH_FAIL_BACK(STENCIL_OP_KEEP) |
VIVS_PE_STENCIL_OP_PASS_FRONT(STENCIL_OP_KEEP) |
VIVS_PE_STENCIL_OP_PASS_BACK(STENCIL_OP_KEEP));
etna_set_state(ctx, VIVS_PE_COLOR_FORMAT,
VIVS_PE_COLOR_FORMAT_COMPONENTS(0xf) |
VIVS_PE_COLOR_FORMAT_FORMAT(RS_FORMAT_X8R8G8B8) |
VIVS_PE_COLOR_FORMAT_SUPER_TILED |
VIVS_PE_COLOR_FORMAT_OVERWRITE);
etna_set_state(ctx, VIVS_PE_DEPTH_CONFIG,
VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT_D16 |
VIVS_PE_DEPTH_CONFIG_SUPER_TILED |
VIVS_PE_DEPTH_CONFIG_EARLY_Z |
/* VIVS_PE_DEPTH_CONFIG_WRITE_ENABLE | */
VIVS_PE_DEPTH_CONFIG_DEPTH_FUNC(COMPARE_FUNC_ALWAYS) |
VIVS_PE_DEPTH_CONFIG_DEPTH_MODE_Z
/* VIVS_PE_DEPTH_CONFIG_ONLY_DEPTH */
);
etna_set_state(ctx, VIVS_PE_DEPTH_ADDR, z->address);
etna_set_state(ctx, VIVS_PE_DEPTH_STRIDE, padded_width * 2);
etna_set_state(ctx, VIVS_PE_HDEPTH_CONTROL, VIVS_PE_HDEPTH_CONTROL_FORMAT_DISABLED);
etna_set_state_f32(ctx, VIVS_PE_DEPTH_NORMALIZE, 65535.0);
etna_set_state(ctx, VIVS_PE_COLOR_ADDR, rt->address);
etna_set_state(ctx, VIVS_PE_COLOR_STRIDE, padded_width * 4);
etna_set_state_f32(ctx, VIVS_PE_DEPTH_NEAR, 0.0);
etna_set_state_f32(ctx, VIVS_PE_DEPTH_FAR, 1.0);
etna_set_state_f32(ctx, VIVS_PE_DEPTH_NORMALIZE, 65535.0);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_set_state(ctx, VIVS_RS_FLUSH_CACHE, VIVS_RS_FLUSH_CACHE_FLUSH);
etna_stall(ctx, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
/* Set up the resolve to clear tile status for main render target
* Regard the TS plane as an image of width 16 with 4 bytes per pixel (64 bytes per row)
* XXX need to clear the depth ts too? we don't really use depth buffer in this sample
* */
etna_set_state(ctx, VIVS_TS_MEM_CONFIG, 0);
etna_set_state(ctx, VIVS_RS_CONFIG,
VIVS_RS_CONFIG_SOURCE_FORMAT(RS_FORMAT_X8R8G8B8) |
VIVS_RS_CONFIG_DEST_FORMAT(RS_FORMAT_X8R8G8B8)
);
etna_set_state_multi(ctx, VIVS_RS_DITHER(0), 2, (uint32_t[]){0xffffffff, 0xffffffff});
etna_set_state(ctx, VIVS_RS_DEST_ADDR, rt_ts->address); /* ADDR_B */
etna_set_state(ctx, VIVS_RS_DEST_STRIDE, 0x40);
etna_set_state(ctx, VIVS_RS_WINDOW_SIZE,
((rt_ts_size/0x40) << VIVS_RS_WINDOW_SIZE_HEIGHT__SHIFT) |
(16 << VIVS_RS_WINDOW_SIZE_WIDTH__SHIFT));
etna_set_state(ctx, VIVS_RS_FILL_VALUE(0), 0x55555555);
etna_set_state(ctx, VIVS_RS_CLEAR_CONTROL,
VIVS_RS_CLEAR_CONTROL_MODE_ENABLED1 |
(0xffff << VIVS_RS_CLEAR_CONTROL_BITS__SHIFT));
etna_set_state(ctx, VIVS_RS_EXTRA_CONFIG, 0);
etna_set_state(ctx, VIVS_RS_KICKER, 0xbeebbeeb);
/** Done */
/* Now set up TS */
etna_set_state(ctx, VIVS_TS_MEM_CONFIG,
VIVS_TS_MEM_CONFIG_DEPTH_FAST_CLEAR |
VIVS_TS_MEM_CONFIG_COLOR_FAST_CLEAR |
VIVS_TS_MEM_CONFIG_DEPTH_16BPP |
VIVS_TS_MEM_CONFIG_DEPTH_COMPRESSION);
etna_set_state(ctx, VIVS_TS_DEPTH_CLEAR_VALUE, 0xffffffff);
etna_set_state(ctx, VIVS_TS_DEPTH_STATUS_BASE, z_ts->address);
etna_set_state(ctx, VIVS_TS_DEPTH_SURFACE_BASE, z->address);
etna_set_state(ctx, VIVS_TS_COLOR_CLEAR_VALUE, 0xff303030);
etna_set_state(ctx, VIVS_TS_COLOR_STATUS_BASE, rt_ts->address);
etna_set_state(ctx, VIVS_TS_COLOR_SURFACE_BASE, rt->address);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
/* set up texture unit */
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_TEXTURE);
etna_set_state(ctx, VIVS_TE_SAMPLER_SIZE(0),
VIVS_TE_SAMPLER_SIZE_WIDTH(tex_base_width)|
VIVS_TE_SAMPLER_SIZE_HEIGHT(tex_base_height));
etna_set_state(ctx, VIVS_TE_SAMPLER_LOG_SIZE(0),
VIVS_TE_SAMPLER_LOG_SIZE_WIDTH(tex_base_log_width) |
VIVS_TE_SAMPLER_LOG_SIZE_HEIGHT(tex_base_log_height));
for(int ix=0; ix<dds->num_mipmaps; ++ix)
{
etna_set_state(ctx, VIVS_TE_SAMPLER_LOD_ADDR(0,ix), tex->address + dds->slices[0][ix].offset);
}
etna_set_state(ctx, VIVS_TE_SAMPLER_CONFIG0(0),
VIVS_TE_SAMPLER_CONFIG0_TYPE(TEXTURE_TYPE_2D)|
VIVS_TE_SAMPLER_CONFIG0_UWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE)|
VIVS_TE_SAMPLER_CONFIG0_VWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE)|
VIVS_TE_SAMPLER_CONFIG0_MIN(TEXTURE_FILTER_LINEAR)|
VIVS_TE_SAMPLER_CONFIG0_MIP(TEXTURE_FILTER_LINEAR)|
VIVS_TE_SAMPLER_CONFIG0_MAG(TEXTURE_FILTER_LINEAR)|
VIVS_TE_SAMPLER_CONFIG0_FORMAT(tex_format));
etna_set_state(ctx, VIVS_TE_SAMPLER_LOD_CONFIG(0),
VIVS_TE_SAMPLER_LOD_CONFIG_MAX((dds->num_mipmaps - 1)<<5) | VIVS_TE_SAMPLER_LOD_CONFIG_MIN(0));
//etna_set_state(ctx, VIVS_TE_SAMPLER_UNK2100(0), 0);
//etna_set_state(ctx, VIVS_TE_SAMPLER_UNK2140(0), 0);
/* shader setup */
etna_set_state(ctx, VIVS_VS_START_PC, 0x0);
etna_set_state(ctx, VIVS_VS_END_PC, vs_size/16);
etna_set_state_multi(ctx, VIVS_VS_INPUT_COUNT, 3, (uint32_t[]){
/* VIVS_VS_INPUT_COUNT */ VIVS_VS_INPUT_COUNT_UNK8(1) | VIVS_VS_INPUT_COUNT_COUNT(3),
/* VIVS_VS_TEMP_REGISTER_CONTROL */ VIVS_VS_TEMP_REGISTER_CONTROL_NUM_TEMPS(6),
/* VIVS_VS_OUTPUT(0) */ VIVS_VS_OUTPUT_O0(4) |
VIVS_VS_OUTPUT_O1(0) |
VIVS_VS_OUTPUT_O2(1)});
etna_set_state_multi(ctx, VIVS_VS_INST_MEM(0), vs_size/4, vs);
etna_set_state(ctx, VIVS_VS_OUTPUT_COUNT, 3);
etna_set_state(ctx, VIVS_VS_LOAD_BALANCING, 0xf3f0542); /* depends on number of inputs/outputs/varyings? XXX how exactly */
etna_set_state_multi(ctx, VIVS_VS_UNIFORMS(0), 16, (uint32_t*)&modelviewprojection.m[0][0]);
etna_set_state_multi(ctx, VIVS_VS_UNIFORMS(16), 3, (uint32_t*)&normal.m[0][0]); /* u4.xyz */
etna_set_state_multi(ctx, VIVS_VS_UNIFORMS(20), 3, (uint32_t*)&normal.m[1][0]); /* u5.xyz */
etna_set_state_multi(ctx, VIVS_VS_UNIFORMS(24), 3, (uint32_t*)&normal.m[2][0]); /* u6.xyz */
etna_set_state_multi(ctx, VIVS_VS_UNIFORMS(28), 16, (uint32_t*)&modelview.m[0][0]);
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(19), 2.0); /* u4.w */
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(23), 20.0); /* u5.w */
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(27), 0.0); /* u6.w */
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(45), 0.5); /* u11.y */
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(44), 1.0); /* u11.x */
etna_set_state(ctx, VIVS_VS_INPUT(0), VIVS_VS_INPUT_I0(0) |
VIVS_VS_INPUT_I1(1) |
VIVS_VS_INPUT_I2(2));
etna_set_state(ctx, VIVS_PS_START_PC, 0x0);
etna_set_state_multi(ctx, VIVS_PS_END_PC, 2, (uint32_t[]){
/* VIVS_PS_END_PC */ ps_size/16,
/* VIVS_PS_OUTPUT_REG */ 0x1});
etna_set_state_multi(ctx, VIVS_PS_INST_MEM(0), ps_size/4, ps);
etna_set_state(ctx, VIVS_PS_INPUT_COUNT, VIVS_PS_INPUT_COUNT_UNK8(31) | VIVS_PS_INPUT_COUNT_COUNT(3));
etna_set_state(ctx, VIVS_PS_TEMP_REGISTER_CONTROL, VIVS_PS_TEMP_REGISTER_CONTROL_NUM_TEMPS(3));
etna_set_state(ctx, VIVS_PS_CONTROL, VIVS_PS_CONTROL_UNK1);
etna_set_state_f32(ctx, VIVS_PS_UNIFORMS(0), 1.0); /* u0.x */
etna_set_state(ctx, VIVS_FE_VERTEX_STREAM_BASE_ADDR, vtx->address); /* ADDR_E */
etna_set_state(ctx, VIVS_FE_VERTEX_STREAM_CONTROL,
VIVS_FE_VERTEX_STREAM_CONTROL_VERTEX_STRIDE((3 + 3 + 2)*4));
etna_set_state(ctx, VIVS_FE_VERTEX_ELEMENT_CONFIG(0),
VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_FLOAT |
(ENDIAN_MODE_NO_SWAP << VIVS_FE_VERTEX_ELEMENT_CONFIG_ENDIAN__SHIFT) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_STREAM(0) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NUM(3) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NORMALIZE_OFF |
VIVS_FE_VERTEX_ELEMENT_CONFIG_START(0x0) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_END(0xc));
etna_set_state(ctx, VIVS_FE_VERTEX_ELEMENT_CONFIG(1),
VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_FLOAT |
(ENDIAN_MODE_NO_SWAP << VIVS_FE_VERTEX_ELEMENT_CONFIG_ENDIAN__SHIFT) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_STREAM(0) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NUM(3) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NORMALIZE_OFF |
VIVS_FE_VERTEX_ELEMENT_CONFIG_START(0xc) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_END(0x18));
etna_set_state(ctx, VIVS_FE_VERTEX_ELEMENT_CONFIG(2),
VIVS_FE_VERTEX_ELEMENT_CONFIG_TYPE_FLOAT |
(ENDIAN_MODE_NO_SWAP << VIVS_FE_VERTEX_ELEMENT_CONFIG_ENDIAN__SHIFT) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NONCONSECUTIVE |
VIVS_FE_VERTEX_ELEMENT_CONFIG_STREAM(0) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NUM(2) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_NORMALIZE_OFF |
VIVS_FE_VERTEX_ELEMENT_CONFIG_START(0x18) |
VIVS_FE_VERTEX_ELEMENT_CONFIG_END(0x20));
for(int prim=0; prim<6; ++prim)
{
etna_draw_primitives(ctx, PRIMITIVE_TYPE_TRIANGLE_STRIP, prim*4, 2);
}
#if 0
/* resolve to self */
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_set_state(ctx, VIVS_RS_CONFIG,
VIVS_RS_CONFIG_SOURCE_FORMAT(RS_FORMAT_X8R8G8B8) |
VIVS_RS_CONFIG_SOURCE_TILED |
VIVS_RS_CONFIG_DEST_FORMAT(RS_FORMAT_X8R8G8B8) |
VIVS_RS_CONFIG_DEST_TILED);
etna_set_state(ctx, VIVS_RS_SOURCE_STRIDE, (padded_width * 4 * 4) | VIVS_RS_SOURCE_STRIDE_TILING);
etna_set_state(ctx, VIVS_RS_DEST_STRIDE, (padded_width * 4 * 4) | VIVS_RS_DEST_STRIDE_TILING);
etna_set_state(ctx, VIVS_RS_DITHER(0), 0xffffffff);
etna_set_state(ctx, VIVS_RS_DITHER(1), 0xffffffff);
etna_set_state(ctx, VIVS_RS_CLEAR_CONTROL, VIVS_RS_CLEAR_CONTROL_MODE_DISABLED);
etna_set_state(ctx, VIVS_RS_EXTRA_CONFIG, 0); /* no AA, no endian switch */
etna_set_state(ctx, VIVS_RS_SOURCE_ADDR, rt->address); /* ADDR_A */
etna_set_state(ctx, VIVS_RS_DEST_ADDR, rt->address); /* ADDR_A */
etna_set_state(ctx, VIVS_RS_WINDOW_SIZE,
VIVS_RS_WINDOW_SIZE_HEIGHT(padded_height) |
VIVS_RS_WINDOW_SIZE_WIDTH(padded_width));
etna_set_state(ctx, VIVS_RS_KICKER, 0xbeebbeeb);
etna_set_state(ctx, VIVS_RS_FLUSH_CACHE, VIVS_RS_FLUSH_CACHE_FLUSH);
etna_set_state(ctx, VIVS_TS_COLOR_STATUS_BASE, rt_ts->address); /* ADDR_B */
etna_set_state(ctx, VIVS_TS_COLOR_SURFACE_BASE, rt->address); /* ADDR_A */
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR);
etna_set_state(ctx, VIVS_TS_MEM_CONFIG,
VIVS_TS_MEM_CONFIG_DEPTH_FAST_CLEAR |
VIVS_TS_MEM_CONFIG_DEPTH_16BPP |
VIVS_TS_MEM_CONFIG_DEPTH_COMPRESSION);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR);
#endif
etna_stall(ctx, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_PE);
/* copy to screen */
etna_bswap_wait_available(buffers);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_set_state(ctx, VIVS_RS_CONFIG,
VIVS_RS_CONFIG_SOURCE_FORMAT(RS_FORMAT_X8R8G8B8) |
VIVS_RS_CONFIG_SOURCE_TILED |
VIVS_RS_CONFIG_DEST_FORMAT(RS_FORMAT_X8R8G8B8) |
VIVS_RS_CONFIG_SWAP_RB);
etna_set_state(ctx, VIVS_RS_SOURCE_STRIDE, (padded_width * 4 * 4) | VIVS_RS_SOURCE_STRIDE_TILING);
etna_set_state(ctx, VIVS_RS_DEST_STRIDE, fb.fb_fix.line_length);
etna_set_state(ctx, VIVS_RS_DITHER(0), 0xffffffff);
etna_set_state(ctx, VIVS_RS_DITHER(1), 0xffffffff);
etna_set_state(ctx, VIVS_RS_CLEAR_CONTROL, VIVS_RS_CLEAR_CONTROL_MODE_DISABLED);
etna_set_state(ctx, VIVS_RS_EXTRA_CONFIG,
0); /* no AA, no endian switch */
etna_set_state(ctx, VIVS_RS_SOURCE_ADDR, rt->address); /* ADDR_A */
etna_set_state(ctx, VIVS_RS_DEST_ADDR, fb.physical[buffers->backbuffer]); /* ADDR_J */
etna_set_state(ctx, VIVS_RS_WINDOW_SIZE,
VIVS_RS_WINDOW_SIZE_HEIGHT(height) |
VIVS_RS_WINDOW_SIZE_WIDTH(width));
etna_set_state(ctx, VIVS_RS_KICKER, 0xbeebbeeb);
etna_flush(ctx);
etna_bswap_queue_swap(buffers);
}
#ifdef DUMP
bmp_dump32(fb.logical[1-backbuffer], width, height, false, "/mnt/sdcard/fb.bmp");
printf("Dump complete\n");
#endif
etna_bswap_free(buffers);
etna_free(ctx);
viv_close();
return 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
}
});
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
}
});
