///
// Update a triangle using the shader pair created in Init()
//
static void Update ( ESContext *esContext, float deltaTime)
{
UserData *userData = (UserData*) esContext->userData;
ESMatrix perspective;
ESMatrix modelview;
float aspect;
// Compute a rotation angle based on time to rotate the cube
userData->angle += 1;//( deltaTime * 40.0f );
if( userData->angle >= 360.0f )
userData->angle -= 360.0f;
// Compute the window aspect ratio
aspect = 1;//(GLfloat) esContext->width / (GLfloat) esContext->height;
// Generate a perspective matrix with a 60 degree FOV
esMatrixLoadIdentity( &perspective );
esPerspective( &perspective, 50.0f, aspect, 1.0f, 20.0f );
// Generate a model view matrix to rotate/translate the cube
esMatrixLoadIdentity( &modelview );
// Translate away from the viewer
esTranslate( &modelview, 0.0, 0.0, -2.0 );
esScale( &modelview,.2,.2,.2);
// Rotate the cube
esRotate( &modelview, userData->angle, .0, 1.0, .0 );
// Compute the final MVP by multiplying the modevleiw and perspective matrices together
esMatrixMultiply( &userData->mvpMatrix, &modelview, &perspective );
#if 1
userData->normalMatrix = processNormalMatrix(modelview);
#else
// Normal Matrix
// Transform normals from object-space to eye-space
bool invertible;
GLKMatrix3 normalMatrix = GLKMatrix4GetMatrix3(GLKMatrix4InvertAndTranspose(modelViewMatrix, &invertible));
if(!invertible)
NSLog(@"MV matrix is not invertible");
glUniformMatrix3fv(self.phongShader.uNormalMatrix, 1, 0, normalMatrix.m);
#endif
}
//+-----------------------------------------------------------------------------
//| Renders the geoset
//+-----------------------------------------------------------------------------
VOID MODEL_GEOSET::Render(CONST SEQUENCE_TIME& time, BOOL Animated)
{
BuildMesh();
glUseProgram(Graphics.Program());
ESMatrix modelviewMatrix;
ESMatrix perspectiveMatrix;
ESMatrix mvpMatrix;
int aspect;
aspect = (GLfloat) 600 / (GLfloat) 800;
esMatrixLoadIdentity(&perspectiveMatrix);
esPerspective(&perspectiveMatrix, 60.0f, aspect, 1.0f, 20.0f);
esMatrixLoadIdentity(&modelviewMatrix);
esScale(&modelviewMatrix, 1.0f, 1.0f, 1.0f);
esTranslate(&modelviewMatrix, 0.0f, 0.0f, 0.0f);
static float angle = 0.0f;
esRotate(&modelviewMatrix,angle, 1.0f, 0.0f, 0.0f);
angle += 0.2f;
esMatrixLoadIdentity(&mvpMatrix);
esMatrixMultiply(&mvpMatrix, &modelviewMatrix, &perspectiveMatrix);
glUniformMatrix4fv(Graphics.WVPMatrix(), 1, GL_FALSE, (GLfloat*) mvpMatrix.m);
glEnable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE0);
glActiveTexture(GL_TEXTURE0);
glEnableVertexAttribArray(Graphics.Position());
glEnableVertexAttribArray(Graphics.TexturePosition());
glUniform1i(Graphics.Texture(), 0);
glVertexAttribPointer(Graphics.Position(), 3, GL_FLOAT, GL_FALSE, sizeof(FLOAT) * 3, vertices);
glVertexAttribPointer(Graphics.TexturePosition(), 2, GL_FLOAT, GL_FALSE, 2 * sizeof(FLOAT), TexturePositions);
glDrawElements(GL_TRIANGLES, GeosetData.FaceContainer.GetTotalSize() * 3, GL_UNSIGNED_INT, indices);
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE0);
glDisableVertexAttribArray(Graphics.TexturePosition());
glDisableVertexAttribArray(Graphics.Texture());
}
int main(int argc, char **argv)
{
int rv;
int width, height;
int width_s, height_s;
int padded_width, padded_height;
int backbuffer = 0;
int supersample_x = 2; // 1 or 2
int supersample_y = 2; // 1 or 2
int extra_ps_inputs = 0;
fb_info fb;
rv = fb_open(0, &fb);
if(rv!=0)
{
exit(1);
}
width = fb.fb_var.xres;
height = fb.fb_var.yres;
width_s = width * supersample_x;
height_s = height * supersample_y;
padded_width = etna_align_up(width_s, 64);
padded_height = etna_align_up(height_s, 64);
extra_ps_inputs = (supersample_x > 1 || supersample_y > 1); // in case of supersample, there is an extra input to PS
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_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 *idx = 0; /* index 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 */
etna_vidmem *bmp = 0; /* bitmap */
/* TODO: anti aliasing (doubles width/height) */
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);
size_t bmp_size = width * height * 4;
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(&idx, INDEX_BUFFER_SIZE, gcvSURF_INDEX, 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, 0x100000, gcvSURF_TEXTURE, gcvPOOL_DEFAULT, true)!=ETNA_OK ||
etna_vidmem_alloc_linear(&bmp, bmp_size, gcvSURF_BITMAP, gcvPOOL_DEFAULT, true)!=ETNA_OK
)
{
fprintf(stderr, "Error allocating video memory\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.
*/
memset(vtx->logical, 0, 0x5ef80);
#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
/* Fill in texture (convert from RGB linear to tiled) */
#define TILE_WIDTH (4)
#define TILE_HEIGHT (4)
#define TILE_WORDS (TILE_WIDTH*TILE_HEIGHT)
unsigned ytiles = COMPANION_TEXTURE_HEIGHT / TILE_HEIGHT;
unsigned xtiles = COMPANION_TEXTURE_WIDTH / TILE_WIDTH;
unsigned dst_stride = xtiles * TILE_WORDS;
for(unsigned ty=0; ty<ytiles; ++ty)
{
for(unsigned tx=0; tx<xtiles; ++tx)
{
unsigned ofs = ty * dst_stride + tx * TILE_WORDS;
for(unsigned y=0; y<TILE_HEIGHT; ++y)
{
for(unsigned x=0; x<TILE_WIDTH; ++x)
{
unsigned srcy = ty*TILE_HEIGHT + y;
unsigned srcx = tx*TILE_WIDTH + x;
unsigned src_ofs = (srcy*COMPANION_TEXTURE_WIDTH+srcx)*3;
unsigned r,g,b,a;
#ifndef TEST_PATTERN /* actual texture */
r = ((uint8_t*)companion_texture)[src_ofs+0];
g = ((uint8_t*)companion_texture)[src_ofs+1];
b = ((uint8_t*)companion_texture)[src_ofs+2];
#else /* test pattern */
r = srcx; g = srcy; b = 0;
#endif
a = 255;
((uint32_t*)tex->logical)[ofs] = ((a&0xFF) << 24) | ((b&0xFF) << 16) | ((g&0xFF) << 8) | (r&0xFF);
ofs += 1;
}
}
}
}
etna_ctx *ctx = 0;
if(etna_create(&ctx) != ETNA_OK)
{
printf("Unable to create context\n");
exit(1);
}
for(int frame=0; frame<1000; ++frame)
{
printf("*** FRAME %i ****\n", frame);
/* 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_GL_VERTEX_ELEMENT_CONFIG, 0x1);
etna_set_state(ctx, VIVS_RA_CONTROL, 0x1);
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, ETNA_MASKED_BIT(VIVS_PA_CONFIG_UNK22, 0));
etna_set_state(ctx, VIVS_SE_CONFIG, 0x0);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR);
etna_set_state(ctx, VIVS_PE_ALPHA_CONFIG,
ETNA_MASKED_BIT(VIVS_PE_ALPHA_CONFIG_BLEND_ENABLE_COLOR, 0) &
ETNA_MASKED_BIT(VIVS_PE_ALPHA_CONFIG_BLEND_ENABLE_ALPHA, 0) &
ETNA_MASKED(VIVS_PE_ALPHA_CONFIG_SRC_FUNC_COLOR, BLEND_FUNC_ONE) &
ETNA_MASKED(VIVS_PE_ALPHA_CONFIG_SRC_FUNC_ALPHA, BLEND_FUNC_ONE) &
ETNA_MASKED(VIVS_PE_ALPHA_CONFIG_DST_FUNC_COLOR, BLEND_FUNC_ZERO) &
ETNA_MASKED(VIVS_PE_ALPHA_CONFIG_DST_FUNC_ALPHA, BLEND_FUNC_ZERO) &
ETNA_MASKED(VIVS_PE_ALPHA_CONFIG_EQ_COLOR, BLEND_EQ_ADD) &
ETNA_MASKED(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, ETNA_MASKED_BIT(VIVS_PE_ALPHA_OP_ALPHA_TEST, 0));
etna_set_state(ctx, VIVS_PA_CONFIG, ETNA_MASKED_INL(VIVS_PA_CONFIG_CULL_FACE_MODE, CCW));
etna_set_state(ctx, VIVS_PE_STENCIL_CONFIG, ETNA_MASKED(VIVS_PE_STENCIL_CONFIG_REF_FRONT, 0) &
ETNA_MASKED(VIVS_PE_STENCIL_CONFIG_MASK_FRONT, 0xff) &
ETNA_MASKED(VIVS_PE_STENCIL_CONFIG_WRITE_MASK, 0xff) &
ETNA_MASKED_INL(VIVS_PE_STENCIL_CONFIG_MODE, DISABLED));
etna_set_state(ctx, VIVS_PE_STENCIL_OP, ETNA_MASKED(VIVS_PE_STENCIL_OP_FUNC_FRONT, COMPARE_FUNC_ALWAYS) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_FUNC_BACK, COMPARE_FUNC_ALWAYS) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_FAIL_FRONT, STENCIL_OP_KEEP) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_FAIL_BACK, STENCIL_OP_KEEP) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_DEPTH_FAIL_FRONT, STENCIL_OP_KEEP) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_DEPTH_FAIL_BACK, STENCIL_OP_KEEP) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_PASS_FRONT, STENCIL_OP_KEEP) &
ETNA_MASKED(VIVS_PE_STENCIL_OP_PASS_BACK, STENCIL_OP_KEEP));
etna_set_state(ctx, VIVS_SE_DEPTH_SCALE, 0x0);
etna_set_state(ctx, VIVS_SE_DEPTH_BIAS, 0x0);
etna_set_state(ctx, VIVS_PA_CONFIG, ETNA_MASKED_INL(VIVS_PA_CONFIG_FILL_MODE, SOLID) &
ETNA_MASKED_INL(VIVS_PA_CONFIG_SHADE_MODEL, SMOOTH));
etna_set_state(ctx, VIVS_PE_COLOR_FORMAT,
ETNA_MASKED_BIT(VIVS_PE_COLOR_FORMAT_PARTIAL, 0) &
ETNA_MASKED(VIVS_PE_COLOR_FORMAT_COMPONENTS, 0xf) &
ETNA_MASKED(VIVS_PE_COLOR_FORMAT_FORMAT, RS_FORMAT_X8R8G8B8) &
ETNA_MASKED_BIT(VIVS_PE_COLOR_FORMAT_SUPER_TILED, 1));
etna_set_state(ctx, VIVS_PE_COLOR_ADDR, rt->address);
etna_set_state(ctx, VIVS_PE_COLOR_STRIDE, padded_width * 4);
uint32_t ts_msaa_config;
if(supersample_x == 2 && supersample_y == 2)
{
// 4X MSAA
etna_set_state(ctx, VIVS_GL_MULTI_SAMPLE_CONFIG,
ETNA_MASKED_INL(VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES, 4X) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_ENABLES, 0xf) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_UNK12, 0x0) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_UNK16, 0x0)
);
etna_set_state(ctx, VIVS_RA_MULTISAMPLE_UNK00E04, 0x0);
etna_set_state(ctx, VIVS_RA_MULTISAMPLE_UNK00E10(2), 0xaaa22a22);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(8), 0x262a2288);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(9), 0x886688a2);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(10), 0x888866aa);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(11), 0x668888a6);
etna_set_state(ctx, VIVS_RA_MULTISAMPLE_UNK00E10(1), 0xe6ae622a);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(4), 0x46622a88);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(5), 0x888888ae);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(6), 0x888888e6);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(7), 0x888888ca);
etna_set_state(ctx, VIVS_RA_MULTISAMPLE_UNK00E10(0), 0xeaa26e26);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(0), 0x4a6e2688);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(1), 0x888888a2);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(2), 0x888888ea);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(3), 0x888888c6);
ts_msaa_config = VIVS_TS_MEM_CONFIG_MSAA | VIVS_TS_MEM_CONFIG_MSAA_FORMAT_A8R8G8B8;
} else if(supersample_x == 2 && supersample_y == 1)
{
// 2X MSAA
etna_set_state(ctx, VIVS_GL_MULTI_SAMPLE_CONFIG,
ETNA_MASKED_INL(VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES, 2X) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_ENABLES, 0xf) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_UNK12, 0x0) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_UNK16, 0x0)
);
etna_set_state(ctx, VIVS_RA_MULTISAMPLE_UNK00E04, 0x0);
etna_set_state(ctx, VIVS_RA_MULTISAMPLE_UNK00E10(0), 0xaa22);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(0), 0x66aa2288);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(1), 0x88558800);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(2), 0x88881100);
etna_set_state(ctx, VIVS_RA_CENTROID_TABLE(3), 0x33888800);
ts_msaa_config = VIVS_TS_MEM_CONFIG_MSAA | VIVS_TS_MEM_CONFIG_MSAA_FORMAT_A8R8G8B8;
} else { // No multisampling
etna_set_state(ctx, VIVS_GL_MULTI_SAMPLE_CONFIG,
ETNA_MASKED_INL(VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_SAMPLES, NONE) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_MSAA_ENABLES, 0xf) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_UNK12, 0x0) &
ETNA_MASKED(VIVS_GL_MULTI_SAMPLE_CONFIG_UNK16, 0x0)
);
ts_msaa_config = 0;
}
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR);
etna_set_state(ctx, VIVS_TS_COLOR_CLEAR_VALUE, 0);
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_PE_DEPTH_CONFIG,
ETNA_MASKED_BIT(VIVS_PE_DEPTH_CONFIG_WRITE_ENABLE, 0) &
ETNA_MASKED_INL(VIVS_PE_DEPTH_CONFIG_DEPTH_FORMAT, D16) &
ETNA_MASKED_BIT(VIVS_PE_DEPTH_CONFIG_SUPER_TILED, 1) &
ETNA_MASKED_BIT(VIVS_PE_DEPTH_CONFIG_EARLY_Z, 1));
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_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_DEPTH);
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_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 |
ts_msaa_config);
#ifdef EXTRA_DELAYS
/* Warm up RS on aux render target (is this needed?) */
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_warm_up_rs(ctx, aux_rt->address, aux_rt_ts->address);
etna_set_state(ctx, VIVS_TS_COLOR_STATUS_BASE, rt_ts_physical);
etna_set_state(ctx, VIVS_TS_COLOR_SURFACE_BASE, rt_physical);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_warm_up_rs(ctx, aux_rt_physical, aux_rt_ts_physical);
etna_set_state(ctx, VIVS_TS_COLOR_STATUS_BASE, rt_ts_physical);
etna_set_state(ctx, VIVS_TS_COLOR_SURFACE_BASE, rt_physical);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
etna_warm_up_rs(ctx, aux_rt_physical, aux_rt_ts_physical);
etna_set_state(ctx, VIVS_TS_COLOR_STATUS_BASE, rt_ts_physical);
etna_set_state(ctx, VIVS_TS_COLOR_SURFACE_BASE, rt_physical);
#endif
/* sync rasterizer to pixel engine after changes to PE config */
etna_stall(ctx, SYNC_RECIPIENT_RA, SYNC_RECIPIENT_PE);
/* Set up the resolve to clear tile status for main render target and depth
* Regard the TS as an image of width 16 with 4 bytes per pixel (64 bytes per row)
* */
etna_set_state(ctx, VIVS_RS_CONFIG,
VIVS_RS_CONFIG_SOURCE_FORMAT(RS_FORMAT_A8R8G8B8) |
VIVS_RS_CONFIG_DEST_FORMAT(RS_FORMAT_A8R8G8B8)
);
etna_set_state_multi(ctx, VIVS_RS_DITHER(0), 2, (uint32_t[]){0xffffffff, 0xffffffff});
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);
/* clear color ts */
etna_set_state(ctx, VIVS_RS_DEST_ADDR, rt_ts->address);
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_KICKER, 0xbeebbeeb);
/* clear depth ts */
etna_set_state(ctx, VIVS_RS_DEST_ADDR, z_ts->address);
etna_set_state(ctx, VIVS_RS_DEST_STRIDE, 0x40);
etna_set_state(ctx, VIVS_RS_WINDOW_SIZE,
((z_ts_size/0x40) << VIVS_RS_WINDOW_SIZE_HEIGHT__SHIFT) |
(16 << VIVS_RS_WINDOW_SIZE_WIDTH__SHIFT));
etna_set_state(ctx, VIVS_RS_KICKER, 0xbeebbeeb);
/** Done */
etna_set_state(ctx, VIVS_TS_COLOR_CLEAR_VALUE, 0xff7f7f7f);
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR);
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);
/* depth setup */
etna_set_state(ctx, VIVS_PE_DEPTH_CONFIG, ETNA_MASKED_BIT(VIVS_PE_DEPTH_CONFIG_WRITE_ENABLE, 1) &
ETNA_MASKED(VIVS_PE_DEPTH_CONFIG_DEPTH_FUNC, COMPARE_FUNC_LESS) &
ETNA_MASKED_INL(VIVS_PE_DEPTH_CONFIG_DEPTH_MODE, Z) &
ETNA_MASKED_BIT(VIVS_PE_DEPTH_CONFIG_ONLY_DEPTH, 0));
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);
/* set up primitive assembly and setup engine */
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_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);
/* 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(512)|VIVS_TE_SAMPLER_SIZE_HEIGHT(512));
etna_set_state(ctx, VIVS_TE_SAMPLER_LOG_SIZE(0),
VIVS_TE_SAMPLER_LOG_SIZE_WIDTH(9<<5) |
VIVS_TE_SAMPLER_LOG_SIZE_HEIGHT(9<<5));
etna_set_state(ctx, VIVS_TE_SAMPLER_LOD_ADDR(0,0), tex->address);
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_NONE)|
VIVS_TE_SAMPLER_CONFIG0_MAG(TEXTURE_FILTER_LINEAR)|
VIVS_TE_SAMPLER_CONFIG0_FORMAT(TEXTURE_FORMAT_X8R8G8B8));
etna_set_state(ctx, VIVS_TE_SAMPLER_LOD_CONFIG(0), 0x00000000); /* TE.SAMPLER[0].LOD_CONFIG := 0x0 */
/* shader setup */
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) */ 0x10004});
etna_set_state(ctx, VIVS_VS_START_PC, 0x0);
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_f32(ctx, VIVS_VS_UNIFORMS(27), 0.0); /* u6.w */
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(23), 20.0); /* u5.w */
etna_set_state_f32(ctx, VIVS_VS_UNIFORMS(19), 2.0); /* u4.w */
/* Now load the shader itself */
etna_set_state_multi(ctx, VIVS_VS_INST_MEM(0), vs_size/4, vs);
etna_set_state(ctx, VIVS_RA_CONTROL, 0x3);
etna_set_state_f32(ctx, VIVS_PS_UNIFORMS(0), 1.0); /* u0.x */
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(ctx, VIVS_PS_START_PC, 0x0);
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_GL_VARYING_NUM_COMPONENTS,
VIVS_GL_VARYING_NUM_COMPONENTS_VAR0(4)| /* position */
VIVS_GL_VARYING_NUM_COMPONENTS_VAR1(2) /* texture coordinate */
);
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_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 + extra_ps_inputs));
etna_set_state(ctx, VIVS_PS_TEMP_REGISTER_CONTROL,
VIVS_PS_TEMP_REGISTER_CONTROL_NUM_TEMPS(3 + extra_ps_inputs));
etna_set_state(ctx, VIVS_PS_CONTROL, VIVS_PS_CONTROL_UNK1);
etna_set_state(ctx, VIVS_GL_VARYING_TOTAL_COMPONENTS,
VIVS_GL_VARYING_TOTAL_COMPONENTS_NUM(6)); /* 4+2=6 total varying components */
etna_set_state(ctx, VIVS_VS_LOAD_BALANCING, 0xf3f0542); /* depends on number of inputs/outputs/varyings? XXX how exactly */
etna_set_state(ctx, VIVS_VS_OUTPUT_COUNT, 3);
etna_set_state(ctx, VIVS_PA_CONFIG, ETNA_MASKED_BIT(VIVS_PA_CONFIG_POINT_SIZE_ENABLE, 0));
/* Compute transform matrices in the same way as cube egl demo */
ESMatrix modelview;
esMatrixLoadIdentity(&modelview);
esTranslate(&modelview, 0.0f, 0.0f, -9.0f);
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);
esScale(&modelview, 0.475f, 0.475f, 0.475f);
GLfloat aspect = (GLfloat)(height) / (GLfloat)(width);
ESMatrix projection;
esMatrixLoadIdentity(&projection);
esFrustum(&projection, -2.8f, +2.8f, -2.8f * aspect, +2.8f * aspect, 6.0f, 10.0f);
ESMatrix modelviewprojection;
esMatrixLoadIdentity(&modelviewprojection);
esMatrixMultiply(&modelviewprojection, &modelview, &projection);
ESMatrix inverse, normal; /* compute inverse transpose normal transformation matrix */
esMatrixInverse3x3(&inverse, &modelview);
esMatrixTranspose(&normal, &inverse);
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]);
#ifdef INDEXED
etna_set_state(ctx, VIVS_FE_INDEX_STREAM_BASE_ADDR, idx->address);
etna_set_state(ctx, VIVS_FE_INDEX_STREAM_CONTROL, VIVS_FE_INDEX_STREAM_CONTROL_TYPE_UNSIGNED_SHORT);
#endif
etna_set_state(ctx, VIVS_FE_VERTEX_STREAM_BASE_ADDR, vtx->address);
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));
etna_set_state(ctx, VIVS_VS_INPUT(0), 0x20100);
etna_set_state(ctx, VIVS_PA_CONFIG, ETNA_MASKED_BIT(VIVS_PA_CONFIG_POINT_SPRITE_ENABLE, 0));
#ifdef INDEXED
etna_draw_indexed_primitives(ctx, PRIMITIVE_TYPE_TRIANGLES, 0, COMPANION_TRIANGLE_COUNT, 0);
#else
etna_draw_primitives(ctx, PRIMITIVE_TYPE_TRIANGLES, 0, COMPANION_TRIANGLE_COUNT);
#endif
etna_set_state(ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_DEPTH);
#ifdef EXTRA_DELAYS
etna_flush(ctx);
#endif
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_A8R8G8B8) |
VIVS_RS_CONFIG_SOURCE_TILED |
VIVS_RS_CONFIG_DEST_FORMAT(RS_FORMAT_A8R8G8B8) |
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);
etna_set_state(ctx, VIVS_RS_SOURCE_ADDR, rt->address);
etna_set_state(ctx, VIVS_RS_DEST_ADDR, rt->address);
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);
#ifdef EXTRA_DELAYS
etna_flush(ctx);
etna_warm_up_rs(ctx, aux_rt->address, aux_rt_ts->address);
#endif
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);
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);
/* Wait for pixel engine to finish */
#ifdef EXTRA_DELAYS
etna_finish(ctx);
#else
etna_stall(ctx, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_PE);
#endif
/* Copy result to framebuffer */
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_A8R8G8B8) |
VIVS_RS_CONFIG_SOURCE_TILED |
((supersample_x>1)?VIVS_RS_CONFIG_DOWNSAMPLE_X:0) |
((supersample_y>1)?VIVS_RS_CONFIG_DOWNSAMPLE_Y:0) |
VIVS_RS_CONFIG_DEST_FORMAT(RS_FORMAT_A8R8G8B8) |
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);
etna_set_state(ctx, VIVS_RS_SOURCE_ADDR, rt->address);
etna_set_state(ctx, VIVS_RS_DEST_ADDR, fb.physical[backbuffer]);
etna_set_state(ctx, VIVS_RS_WINDOW_SIZE,
VIVS_RS_WINDOW_SIZE_HEIGHT(height * supersample_y) |
VIVS_RS_WINDOW_SIZE_WIDTH(width * supersample_x));
etna_set_state(ctx, VIVS_RS_KICKER, 0xbeebbeeb);
etna_finish(ctx);
/* switch buffers */
fb_set_buffer(&fb, backbuffer);
backbuffer = 1-backbuffer;
}
etna_free(ctx);
viv_close();
return 0;
}
static void engine_draw_frame(struct engine* engine)
{
if (engine->display == NULL)
{
// No display.
return;
}
ESMatrix perspective;
ESMatrix modelview;
float aspect;
ESMatrix lookAtMatrix;
static float EyePos[4] = {0.0f,2.0f,3.2f,0.0f};
static float LightPos[4] = {4.0f,0.0f,3.2f,0.0f};
static int LightPosDirection = 1.0f; //1 is up, -1 is down
//do some movement of the light in the phong shader
LightPos[1]+= 0.25f * LightPosDirection;
if(LightPos[1]>20.0f || LightPos[1] < -20.0f)
LightPosDirection*=-1;
//here we go
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glEnable(GL_DEPTH_TEST);
glClearDepthf(1.0f);
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDepthMask(GL_FALSE);
//set up the perspective and frustum, etc
esMatrixLoadIdentity( &perspective );
if(ContextHeight > ContextWidth)
{
aspect = ContextHeight / ContextWidth;
esFrustum(&perspective, 1, -1.0f, -aspect, aspect, 0.1f, 50.0f);
}
else
{
aspect = ContextWidth/ContextHeight;
esFrustum(&perspective, -aspect, aspect, 1, -1.0f, 0.1f, 50.0f);
}
//SKYBOX
esMatrixLoadIdentity( &modelview );
esMatrixLoadIdentity(&lookAtMatrix);
esLookAt(&lookAtMatrix,0,0,0,0,0,1,0,1,0);
esRotate(&modelview,-RotateY,0,1,0);
esRotate(&modelview, -RotateX, 1, 0,0);
esTranslate(&modelview, 0,0,-1);
esMatrixMultiply(&modelview,&modelview,&lookAtMatrix);
esMatrixMultiply( &MVPMatrix,&modelview,&perspective );
glUseProgram(TexPassThruShader.ID);
glActiveTexture(GL_TEXTURE0);
glUniform1i(TexPassThruSampler,0);
glUniformMatrix4fv(TexPassThruMVPMatrixUniform, 1, GL_FALSE, (GLfloat*) &MVPMatrix.m[0][0] );
//FRONT
glBindTexture(GL_TEXTURE_2D,CubeSkyBox.Front.Tex.ID[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//vert
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Front.VBOVertId);
glEnableVertexAttribArray(TexPassThruPositionAttributes);
glVertexAttribPointer(TexPassThruPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//tex
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Front.VBOTexCoordId);
glEnableVertexAttribArray(TexPassThruTexCoordAttributes);
glVertexAttribPointer(TexPassThruTexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//index
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,CubeSkyBox.Front.VBOIndexId);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE,0);
//LEFT
glBindTexture(GL_TEXTURE_2D,CubeSkyBox.Left.Tex.ID[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//vert
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Left.VBOVertId);
glEnableVertexAttribArray(TexPassThruPositionAttributes);
glVertexAttribPointer(TexPassThruPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//tex
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Left.VBOTexCoordId);
glEnableVertexAttribArray(TexPassThruTexCoordAttributes);
glVertexAttribPointer(TexPassThruTexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//index
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,CubeSkyBox.Left.VBOIndexId);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE,0);
//RIGHT
glBindTexture(GL_TEXTURE_2D,CubeSkyBox.Right.Tex.ID[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//vert
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Right.VBOVertId);
glEnableVertexAttribArray(TexPassThruPositionAttributes);
glVertexAttribPointer(TexPassThruPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//tex
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Right.VBOTexCoordId);
glEnableVertexAttribArray(TexPassThruTexCoordAttributes);
glVertexAttribPointer(TexPassThruTexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//index
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,CubeSkyBox.Right.VBOIndexId);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE,0);
//BACK
glBindTexture(GL_TEXTURE_2D,CubeSkyBox.Back.Tex.ID[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//vert
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Back.VBOVertId);
glEnableVertexAttribArray(TexPassThruPositionAttributes);
glVertexAttribPointer(TexPassThruPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//tex
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Back.VBOTexCoordId);
glEnableVertexAttribArray(TexPassThruTexCoordAttributes);
glVertexAttribPointer(TexPassThruTexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//index
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,CubeSkyBox.Back.VBOIndexId);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE,0);
//BOTTOM
glBindTexture(GL_TEXTURE_2D,CubeSkyBox.Bottom.Tex.ID[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//vert
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Bottom.VBOVertId);
glEnableVertexAttribArray(TexPassThruPositionAttributes);
glVertexAttribPointer(TexPassThruPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//tex
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Bottom.VBOTexCoordId);
glEnableVertexAttribArray(TexPassThruTexCoordAttributes);
glVertexAttribPointer(TexPassThruTexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//index
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,CubeSkyBox.Bottom.VBOIndexId);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE,0);
//TOP
glBindTexture(GL_TEXTURE_2D,CubeSkyBox.Top.Tex.ID[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
//vert
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Top.VBOVertId);
glEnableVertexAttribArray(TexPassThruPositionAttributes);
glVertexAttribPointer(TexPassThruPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//tex
glBindBuffer(GL_ARRAY_BUFFER,CubeSkyBox.Top.VBOTexCoordId);
glEnableVertexAttribArray(TexPassThruTexCoordAttributes);
glVertexAttribPointer(TexPassThruTexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//index
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,CubeSkyBox.Top.VBOIndexId);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE,0);
glDepthMask(GL_TRUE);
//MESH
esMatrixLoadIdentity( &modelview );
esMatrixLoadIdentity(&lookAtMatrix);
esLookAt(&lookAtMatrix,0,0,0,0,0,1,0,1,0);
esTranslate(&modelview, -StatueMesh.CenterX,-StatueMesh.CenterY,-StatueMesh.CenterZ);
esRotate(&modelview,RotateY,0,1,0);
esRotate(&modelview, RotateX, 1, 0,0);
esScale(&modelview,ScaleAmount,ScaleAmount,ScaleAmount);
esMatrixMultiply(&modelview,&modelview,&lookAtMatrix);
esMatrixMultiply( &MVPMatrix,&modelview,&perspective );
//turn on the shader
switch(ShaderToUse)
{
case 0: //environment mapping shader
glBindTexture(GL_TEXTURE_2D,0);
glUseProgram(EnvironmentMappingShader.ID);
checkGlError("glUseProgram");
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_CUBE_MAP,EnvironmentCubeTexture.ID[0]);
glUniform1i(EnvironmentMappingShaderCubeSampler,1);
glUniformMatrix4fv( EnvironmentMappingShaderMVPMatrixUniform, 1, GL_FALSE, (GLfloat*) &MVPMatrix.m[0][0] );
//Vertex Buffer
glBindBuffer(GL_ARRAY_BUFFER,StatueMesh.VBOVertices.Id);
glEnableVertexAttribArray(EnvironmentMappingShaderPositionAttributes);
glVertexAttribPointer(EnvironmentMappingShaderPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//Normals
glBindBuffer(GL_ARRAY_BUFFER,StatueMesh.VBONormals.Id);
glEnableVertexAttribArray(EnvironmentMappingShaderNormalAttributes);
glVertexAttribPointer(EnvironmentMappingShaderNormalAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//Indices
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,StatueMesh.VBOIndices.Id);
//draw call
glDrawElements(GL_TRIANGLES, StatueMesh.IndexCount, GL_UNSIGNED_SHORT,0);
glUseProgram(0);
break;
case 1: //phong
glUseProgram(PhongShader.ID);
checkGlError("glUseProgram");
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D,StoneTexture.ID[0]);
glUniform1i(TextureSampler,0);
// Load the MVP matrix
glUniformMatrix4fv( MVPMatrixUniform, 1, GL_FALSE, (GLfloat*) &MVPMatrix.m[0][0] );
//Uniforms
glUniform4fv( EyePosUniform, 1, (GLfloat*) &EyePos );
glUniform4fv( LightPosUniform, 1, (GLfloat*) &LightPos );
//Vertex Buffer
glBindBuffer(GL_ARRAY_BUFFER,StatueMesh.VBOVertices.Id);
glEnableVertexAttribArray(PositionAttributes);
glVertexAttribPointer(PositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//Texture Coordinates
glBindBuffer(GL_ARRAY_BUFFER,StatueMesh.VBOTexCoords.Id);
glEnableVertexAttribArray(TexCoordAttributes);
glVertexAttribPointer(TexCoordAttributes,2,GL_FLOAT,GL_FALSE,0,0);
//Normals
glBindBuffer(GL_ARRAY_BUFFER,StatueMesh.VBONormals.Id);
glEnableVertexAttribArray(NormalAttributes);
glVertexAttribPointer(NormalAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//Indices
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,StatueMesh.VBOIndices.Id);
//draw call
glDrawElements(GL_TRIANGLES, StatueMesh.IndexCount, GL_UNSIGNED_SHORT,0);
break;
case 2: //depth as color shader
glUseProgram(DepthShader.ID);
glUniformMatrix4fv( DepthShaderMVPMatrixUniform, 1, GL_FALSE, (GLfloat*) &MVPMatrix.m[0][0] );
//Vertex Buffer
glBindBuffer(GL_ARRAY_BUFFER,StatueMesh.VBOVertices.Id);
glEnableVertexAttribArray(DepthShaderPositionAttributes);
glVertexAttribPointer(DepthShaderPositionAttributes, 3, GL_FLOAT, GL_FALSE, 0, 0);
//Indices
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,StatueMesh.VBOIndices.Id);
//draw call
glDrawElements(GL_TRIANGLES, StatueMesh.IndexCount, GL_UNSIGNED_SHORT,0);
break;
default:
break;
}
eglSwapBuffers(engine->display, engine->surface);
}
void Draw(GLContext *_context)
{
UserData *_user = (UserData *)_context->userObject;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);//very important
//draw earth
_user->object->enableObject();
glBindBuffer(GL_ARRAY_BUFFER, _user->positionVertexBufferId);
glEnableVertexAttribArray(0);//position
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), NULL);
glBindBuffer(GL_ARRAY_BUFFER, _user->texCoordVertexBufferId);
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), NULL);
glBindBuffer(GL_ARRAY_BUFFER, _user->normalVertexBufferId);
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), NULL);
//
ESMatrix mvMatrix;
esMatrixLoadIdentity(&mvMatrix);
esTranslate(&mvMatrix, 0.0f, 0.0f, -5.0f);
esRotate(&mvMatrix, 17.7f , 1.0f, 0.0f, 0.0f);
esRotate(&mvMatrix, _user->earthAngle, 0.0f, 1.0f, 0.0f);
glUniformMatrix4fv(_user->mvLoc, 1, GL_FALSE,(float*)mvMatrix.m);//mv matrix
ESMatrix projMatrix, mvpMatrix;
esMatrixLoadIdentity(&projMatrix);
esOrtho(&projMatrix, -1.0f, 1.0f, -1.0f, 1.0f, -10.0f, 10.0f);
esMatrixMultiply(&mvpMatrix, &mvMatrix, &projMatrix);
glUniformMatrix4fv(_user->mvpLoc, 1, GL_FALSE, (float *)mvpMatrix.m);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, _user->earthMapId);
glUniform1i(_user->baseMapLoc, 0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDrawArrays(GL_TRIANGLES, 0, sphereNumVerts);
//画出月球
_user->object->enableObject();
glBindBuffer(GL_ARRAY_BUFFER, _user->positionVertexBufferId);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), NULL);
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 2 * sizeof(float), GL_FLOAT, GL_FALSE, 2 * sizeof(float), NULL);
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), NULL);
esMatrixLoadIdentity(&mvMatrix);
esTranslate(&mvMatrix, 0.0f, 0.0f, -5.0f);
esScale(&mvMatrix, 0.25f, 0.25f, 0.25f);
esRotate(&mvMatrix, 17.7f, 1.0f, 0.0f, 0.0f);
esRotate(&mvMatrix, _user->moonAngle, 0.0f, 1.0f, 0.0f);
esTranslate(&mvMatrix, 4.0f, 0.0f, 0.0f);
glUniformMatrix4fv(_user->mvLoc, 1, GL_FALSE, (float*)mvMatrix.m);
esMatrixLoadIdentity(&projMatrix);
esOrtho(&projMatrix, -1.0f, 1.0f, -1.0f, 1.0f, -10.0f, 10.0f);
esMatrixMultiply(&mvpMatrix, &mvMatrix, &projMatrix);
glUniformMatrix4fv(_user->mvpLoc, 1, GL_FALSE, (float*)mvpMatrix.m);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, _user->moonMapId);
glUniform1i(_user->baseMapLoc, 0);
glBlendFunc(GL_ONE, GL_ZERO);
glDrawArrays(GL_TRIANGLES, 0, sphereNumVerts);
}
void Draw(GLContext *_context)
{
UserData *_user = (UserData *)_context->userObject;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);//very important
//draw earth
_user->object->enableObject();
_user->mSphere->bindVertexObject(0);
_user->mSphere->bindTexCoordObject(1);
_user->mSphere->bindNormalObject(2);
//
ESMatrix mvMatrix;
esMatrixLoadIdentity(&mvMatrix);
esRotate(&mvMatrix, 17.7f, 1.0f, 0.0f, 0.0f);
esRotate(&mvMatrix, _user->earthAngle, 0.0f, 1.0f, 0.0f);
esTranslate(&mvMatrix, 0.0f, 0.0f, -5.0f);
glUniformMatrix4fv(_user->mvLoc, 1, GL_FALSE, (float*)mvMatrix.m);//mv matrix
ESMatrix projMatrix, mvpMatrix;
esMatrixLoadIdentity(&projMatrix);
esFrustum(&projMatrix, -1.0f, 1.0f, -1.0f, 1.0f, 3.0f, 10.0f);
esMatrixMultiply(&mvpMatrix, &mvMatrix, &projMatrix);
glUniformMatrix4fv(_user->mvpLoc, 1, GL_FALSE, (float *)mvpMatrix.m);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, _user->earthMapId);
glUniform1i(_user->baseMapLoc, 0);
glUniform4fv(_user->lightColorLoc, 1, (float *)&GLVector4(0.9f,0.9f,1.0f,1.0f));
_user->mSphere->drawShape();
//画出月球
_user->object->enableObject();
_user->mSphere->bindVertexObject(0);
_user->mSphere->bindTexCoordObject(1);
_user->mSphere->bindNormalObject(2);
esMatrixLoadIdentity(&mvMatrix);
esScale(&mvMatrix, 0.25f, 0.25f, 0.25f);
esRotate(&mvMatrix, 17.7f, 1.0f, 0.0f, 0.0f);
esRotate(&mvMatrix,_user->moonAngle,10.0f,1.0f,0.0f);//自传
esTranslate(&mvMatrix, 2.0f, 0.0f, 0.0f);
esRotate(&mvMatrix, _user->moonAngle, 0.0f, 1.0f, 0.0f);
esTranslate(&mvMatrix, 0.0f, 0.0f, -5.0f);
esMatrixMultiply(&mvMatrix, &mvMatrix, &_user->viewMatrix);
glUniformMatrix4fv(_user->mvLoc, 1, GL_FALSE, (float*)mvMatrix.m);
esMatrixLoadIdentity(&projMatrix);
esFrustum(&projMatrix, -1.0f, 1.0f, -1.0f, 1.0f, 3.0f, 10.0f);
esMatrixMultiply(&mvpMatrix, &mvMatrix, &projMatrix);
glUniformMatrix4fv(_user->mvpLoc, 1, GL_FALSE, (float*)mvpMatrix.m);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, _user->moonMapId);
glUniform1i(_user->baseMapLoc, 0);
glUniform4fv(_user->lightColorLoc,1,(float *)&GLVector4(1.0f,1.0f,1.0f,1.0f));
_user->mSphere->drawShape();
}
