static void set_vertex_shader( void )
{
void *handle;
const char *text =
"VERT\n"
"DCL IN[0]\n"
"DCL IN[1]\n"
"DCL OUT[0], POSITION\n"
"DCL OUT[1], COLOR\n"
" 0: MOV OUT[1], IN[1]\n"
" 1: MOV OUT[0], IN[0]\n"
" 2: END\n";
handle = graw_parse_vertex_shader(ctx, text);
ctx->bind_vs_state(ctx, handle);
}
static void set_vertex_shader( void )
{
void *handle;
const char *text =
"VERT\n"
"DCL IN[0]\n"
"DCL IN[1]\n"
"DCL IN[2]\n"
"DCL IN[3]\n"
"DCL OUT[0], POSITION\n"
"DCL OUT[1], COLOR[0]\n"
"DCL OUT[2], GENERIC[0]\n"
"DCL OUT[3], GENERIC[1]\n"
" MOV OUT[0], IN[0]\n"
" MOV OUT[1], IN[1]\n"
" MOV OUT[2], IN[2]\n"
" MOV OUT[3], IN[3]\n"
" END\n";
handle = graw_parse_vertex_shader(ctx, text);
ctx->bind_vs_state(ctx, handle);
}
static void set_vertex_shader( void )
{
FILE *f;
char buf[50000];
void *handle;
int sz;
if ((f = fopen(filename, "r")) == NULL) {
fprintf(stderr, "Couldn't open %s\n", filename);
exit(1);
}
sz = fread(buf, 1, sizeof(buf), f);
if (!feof(f)) {
printf("file too long\n");
exit(1);
}
printf("%.*s\n", sz, buf);
buf[sz] = 0;
handle = graw_parse_vertex_shader(ctx, buf);
ctx->bind_vs_state(ctx, handle);
fclose(f);
}
});
pipe->set_scissor_state(pipe, &(struct pipe_scissor_state){
.minx = 0,
.miny = 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 *vtx_shader = graw_parse_vertex_shader(pipe, particle_system_vert);
void *frag_shader = graw_parse_fragment_shader(pipe, particle_system_frag);
pipe->bind_vs_state(pipe, vtx_shader);
pipe->bind_fs_state(pipe, frag_shader);
/* Fill in particle data array */
struct pipe_transfer *vtx_transfer = 0;
float *vtx_logical = pipe_buffer_map(pipe, vtx_resource, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_UNSYNCHRONIZED, &vtx_transfer);
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 );
});
pipe->set_scissor_states(pipe, 0, 1, &(struct pipe_scissor_state){
.minx = 0,
.miny = 0,
.maxx = 65535,
.maxy = 65535
});
pipe->set_viewport_states(pipe, 0, 1, &(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_vertex_buffers(pipe, 0, 1, &vertex_buf_desc);
pipe->set_index_buffer(pipe, &index_buf_desc);
void *vtx_shader = graw_parse_vertex_shader(pipe, stencil_test_vert);
void *frag_shader = graw_parse_fragment_shader(pipe, stencil_test_frag);
pipe->bind_vs_state(pipe, vtx_shader);
pipe->bind_fs_state(pipe, frag_shader);
/* create depth stencil alpha states for the different test phases.
* except the stencil_ref, which is set separately
*/
void *dsa_test0 = pipe->create_depth_stencil_alpha_state(pipe, &(struct pipe_depth_stencil_alpha_state){
.depth = {
.enabled = 1,
.writemask = 1,
.func = PIPE_FUNC_LESS /* GL default */
},
.stencil[0] = { /* single-sided stencil */
.enabled = 1,
.maxy = 65535
});
pipe->set_viewport_states(pipe, 0, 1, &(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_vertex_buffers(pipe, 0, 1, &vertex_buf_desc);
pipe->set_index_buffer(pipe, NULL);/*&(struct pipe_index_buffer){
.index_size = 0,
.offset = 0,
.buffer = 0,
.user_buffer = 0
});*/ /* non-indexed rendering */
void *vtx_shader = graw_parse_vertex_shader(pipe, alpha_blend_vert);
void *frag_shader = graw_parse_fragment_shader(pipe, alpha_blend_frag);
pipe->bind_vs_state(pipe, vtx_shader);
pipe->bind_fs_state(pipe, frag_shader);
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 projection;
float aspect = (float)(height) / (float)(width);
esMatrixLoadIdentity(&projection);
esFrustum(&projection, -1.8f, +1.8f, -1.8f * aspect, +1.8f * aspect, 5.0f, 10.0f);
.zsbuf = zsbuf
});
pipe->set_scissor_states(pipe, 0, 1, &(struct pipe_scissor_state){
.minx = 0,
.miny = 0,
.maxx = 65535,
.maxy = 65535
});
pipe->set_viewport_states(pipe, 0, 1, &(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_vertex_buffers(pipe, 0, 1, &vertex_buffer_desc);
pipe->set_index_buffer(pipe, NULL);
void *vtx_shader = graw_parse_vertex_shader(pipe, cube_vert);
void *frag_shader = graw_parse_fragment_shader(pipe, cube_frag);
pipe->bind_vs_state(pipe, vtx_shader);
pipe->bind_fs_state(pipe, frag_shader);
for(int frame=0; frame<1000; ++frame)
{
float vs_const[12*4];
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);