void drawFrame(int buffer, long frame) {
realityViewportTranslate(context, 0.0, 0.0, 0.0, 0.0);
realityViewportScale(context, 1.0, 1.0, 1.0, 0.0);
realityZControl(context, 0, 1, 1); // disable viewport culling
// Enable alpha blending.
realityBlendFunc(context,
NV30_3D_BLEND_FUNC_SRC_RGB_SRC_ALPHA |
NV30_3D_BLEND_FUNC_SRC_ALPHA_SRC_ALPHA,
NV30_3D_BLEND_FUNC_DST_RGB_ONE_MINUS_SRC_ALPHA |
NV30_3D_BLEND_FUNC_DST_ALPHA_ZERO);
realityBlendEquation(context, NV40_3D_BLEND_EQUATION_RGB_FUNC_ADD |
NV40_3D_BLEND_EQUATION_ALPHA_FUNC_ADD);
realityBlendEnable(context, 1);
realityViewport(context, res.width, res.height);
setupRenderTarget(buffer);
// set the clear color
realitySetClearColor(context, 0x00000000); // Black, because it looks cool
// and the depth clear value
realitySetClearDepthValue(context, 0xffff);
// Clear the buffers
realityClearBuffers(context, REALITY_CLEAR_BUFFERS_COLOR_R |
REALITY_CLEAR_BUFFERS_COLOR_G |
REALITY_CLEAR_BUFFERS_COLOR_B |
NV30_3D_CLEAR_BUFFERS_COLOR_A |
NV30_3D_CLEAR_BUFFERS_STENCIL |
REALITY_CLEAR_BUFFERS_DEPTH);
// Load shaders, because the rsx won't do anything without them.
realityLoadVertexProgram_old(context, &nv40_vp);
realityLoadFragmentProgram_old(context, &nv30_fp);
// Load texture
load_tex(0, tx_offset, dice.width, dice.height, dice.width*4, NV40_3D_TEX_FORMAT_FORMAT_A8R8G8B8, 1);
// Generate quad
realityVertexBegin(context, REALITY_QUADS);
{
realityTexCoord2f(context, 0.0, 0.0);
realityVertex4f(context, 600.0, 300.0, 0.0, 1.0);
realityTexCoord2f(context, 1.0, 0.0);
realityVertex4f(context, 1400.0, 300.0, 0.0, 1.0);
realityTexCoord2f(context, 1.0, 1.0);
realityVertex4f(context, 1400.0, 900.0, 0.0, 1.0);
realityTexCoord2f(context, 0.0, 1.0);
realityVertex4f(context, 600.0, 900.0, 0.0, 1.0);
}
realityVertexEnd(context);
}
/**
* Video widget render
*/
static void
render_video_quad(int interlace, int width, int height,
int bob1, int bob2,
glw_root_t *root, rsx_fp_t *rfp,
const glw_video_t *gv, glw_rctx_t *rc)
{
glw_backend_root_t *be = &root->gr_be;
gcmContextData *ctx = be->be_ctx;
rsx_vp_t *rvp = be->be_vp_yuv2rgb;
float x1, x2, y1, y2;
float b1 = 0, b2 = 0;
const int bordersize = 0;
float rgba[4];
float tc[12];
if(interlace) {
x1 = 0 + (bordersize / (float)width);
y1 = 0 + (bordersize / (float)height);
x2 = 1 - (bordersize / (float)width);
y2 = 1 - (bordersize / (float)height);
b1 = (0.5 * bob1) / (float)height;
b2 = (0.5 * bob2) / (float)height;
} else {
x1 = 0;
y1 = 0;
x2 = 1;
y2 = 1;
}
tc[0] = x1;
tc[1] = y2 - b1;
tc[2] = y2 - b2;
tc[3] = x2;
tc[4] = y2 - b1;
tc[5] = y2 - b2;
tc[6] = x2;
tc[7] = y1 - b1;
tc[8] = y1 - b2;
tc[9] = x1;
tc[10] = y1 - b1;
tc[11] = y1 - b2;
rsx_set_vp(root, rvp);
realitySetVertexProgramConstant4fBlock(ctx, rvp->rvp_binary,
rvp->rvp_u_modelview,
4, rc->rc_mtx);
if(rfp->rfp_u_color != -1) {
rgba[0] = 0;
rgba[1] = 0;
rgba[2] = 0;
rgba[3] = rc->rc_alpha;
realitySetFragmentProgramParameter(ctx, rfp->rfp_binary,
rfp->rfp_u_color, rgba,
rfp->rfp_rsx_location);
}
if(rfp->rfp_u_blend != -1) {
rgba[0] = gv->gv_blend;
rgba[1] = 0;
rgba[2] = 0;
rgba[3] = 0;
realitySetFragmentProgramParameter(ctx, rfp->rfp_binary,
rfp->rfp_u_blend, rgba,
rfp->rfp_rsx_location);
}
if(rfp->rfp_u_color_matrix != -1)
realitySetFragmentProgramParameter(ctx, rfp->rfp_binary,
rfp->rfp_u_color_matrix,
gv->gv_cmatrix_cur,
rfp->rfp_rsx_location);
rsx_set_fp(root, rfp, 1);
realityVertexBegin(ctx, REALITY_QUADS);
realityAttr4f(ctx, rvp->rvp_a_texcoord, tc[0], tc[1], tc[2], 0);
realityVertex4f(ctx, -1, -1, 0, 1);
realityAttr4f(ctx, rvp->rvp_a_texcoord, tc[3], tc[4], tc[5], 0);
realityVertex4f(ctx, 1, -1, 0, 1);
realityAttr4f(ctx, rvp->rvp_a_texcoord, tc[6], tc[7], tc[8], 0);
realityVertex4f(ctx, 1, 1, 0, 1);
realityAttr4f(ctx, rvp->rvp_a_texcoord, tc[9], tc[10], tc[11], 0);
realityVertex4f(ctx, -1, 1, 0, 1);
realityVertexEnd(ctx);
}
static void
rsx_render(struct glw_root *gr,
Mtx m,
struct glw_backend_texture *tex,
const struct glw_rgb *rgb_mul,
const struct glw_rgb *rgb_off,
float alpha, float blur,
const float *vertices,
int num_vertices,
const uint16_t *indices,
int num_triangles,
int flags)
{
gcmContextData *ctx = gr->gr_be.be_ctx;
rsx_vp_t *rvp = gr->gr_be.be_vp_1;
rsx_fp_t *rfp;
float rgba[4];
if(tex == NULL) {
rfp = gr->gr_be.be_fp_flat;
} else {
if(tex->tex.offset == 0 || tex->size == 0)
return;
realitySetTexture(ctx, 0, &tex->tex);
if(blur > 0.05) {
rfp = gr->gr_be.be_fp_tex_blur;
} else {
rfp = gr->gr_be.be_fp_tex;
}
}
rsx_set_vp(gr, rvp);
realitySetVertexProgramConstant4fBlock(ctx, rvp->rvp_binary,
rvp->rvp_u_modelview,
4, m ?: identitymtx);
switch(gr->gr_be.be_blendmode) {
case GLW_BLEND_NORMAL:
rgba[0] = rgb_mul->r;
rgba[1] = rgb_mul->g;
rgba[2] = rgb_mul->b;
rgba[3] = alpha;
break;
case GLW_BLEND_ADDITIVE:
rgba[0] = rgb_mul->r * alpha;
rgba[1] = rgb_mul->g * alpha;
rgba[2] = rgb_mul->b * alpha;
rgba[3] = 1;
break;
}
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_color, rgba);
if(rvp->rvp_u_color_offset != -1) {
if(rgb_off != NULL) {
rgba[0] = rgb_off->r;
rgba[1] = rgb_off->g;
rgba[2] = rgb_off->b;
} else {
rgba[0] = 0;
rgba[1] = 0;
rgba[2] = 0;
}
rgba[3] = 0;
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_color_offset, rgba);
}
if(blur > 0.05 && tex != NULL) {
float v[4];
v[0] = 1.5 * blur / tex->tex.width;
v[1] = 1.5 * blur / tex->tex.height;
v[2] = 0;
v[3] = 0;
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_blur_amount, v);
}
rsx_set_fp(gr, rfp, 0);
// TODO: Get rid of immediate mode
realityVertexBegin(ctx, REALITY_TRIANGLES);
int i;
if(indices != NULL) {
for(i = 0; i < num_triangles * 3; i++) {
const float *v = &vertices[indices[i] * VERTEX_SIZE];
realityAttr2f(ctx, rvp->rvp_a_texcoord, v[3], v[4]);
realityAttr4f(ctx, rvp->rvp_a_color, v[5], v[6], v[7], v[8]);
realityVertex4f(ctx, v[0], v[1], v[2], 1);
}
} else {
for(i = 0; i < num_vertices; i++) {
const float *v = &vertices[i * VERTEX_SIZE];
realityAttr2f(ctx, rvp->rvp_a_texcoord, v[3], v[4]);
realityAttr4f(ctx, rvp->rvp_a_color, v[5], v[6], v[7], v[8]);
realityVertex4f(ctx, v[0], v[1], v[2], 1);
}
}
realityVertexEnd(ctx);
}
static void
rsx_render_unlocked(glw_root_t *gr)
{
gcmContextData *ctx = gr->gr_be.be_ctx;
const float *vertices = gr->gr_vertex_buffer;
int current_blendmode = GLW_BLEND_NORMAL;
realityBlendFunc(ctx,
NV30_3D_BLEND_FUNC_SRC_RGB_SRC_ALPHA |
NV30_3D_BLEND_FUNC_SRC_ALPHA_SRC_ALPHA,
NV30_3D_BLEND_FUNC_DST_RGB_ONE_MINUS_SRC_ALPHA |
NV30_3D_BLEND_FUNC_DST_ALPHA_ZERO);
int current_frontface = GLW_CCW;
realityFrontFace(ctx, REALITY_FRONT_FACE_CCW);
for(int j = 0; j < gr->gr_num_render_jobs; j++) {
const glw_render_order_t *ro = gr->gr_render_order + j;
const glw_render_job_t *rj = ro->job;
const struct glw_backend_texture *t0 = rj->t0;
const struct glw_backend_texture *t1 = rj->t1;
rsx_vp_t *rvp = gr->gr_be.be_vp_1;
rsx_fp_t *rfp;
float rgba[4];
if(unlikely(rj->gpa != NULL)) {
glw_program_args_t *gpa = rj->gpa;
if(t1 != NULL) {
if(gpa->gpa_load_texture != NULL) {
// Program has specialized code to load textures, run it
gpa->gpa_load_texture(gr, gpa->gpa_prog, gpa->gpa_aux, t1, 1);
} else {
// not supported
}
}
if(t0 != NULL) {
if(gpa->gpa_load_texture != NULL) {
// Program has specialized code to load textures, run it
gpa->gpa_load_texture(gr, gpa->gpa_prog, gpa->gpa_aux, t0, 0);
} else {
// not supported
}
}
rfp = gpa->gpa_prog->gp_fragment_program;
rvp = gpa->gpa_prog->gp_vertex_program;
rsx_set_vp(gr, rvp);
if(gpa->gpa_load_uniforms != NULL)
gpa->gpa_load_uniforms(gr, gpa->gpa_prog, gpa->gpa_aux, rj);
} else {
if(t0 == NULL) {
if(t1 != NULL) {
rfp = gr->gr_be.be_fp_flat_stencil;
if(t1->tex.offset == 0 || t1->size == 0)
continue;
realitySetTexture(ctx, 0, &t1->tex);
} else {
rfp = gr->gr_be.be_fp_flat;
}
} else {
if(t0->tex.offset == 0 || t0->size == 0)
continue;
const int doblur = rj->blur > 0.05 ||
rj->flags & GLW_RENDER_BLUR_ATTRIBUTE;
realitySetTexture(ctx, 0, &t0->tex);
if(t1 != NULL) {
rfp = doblur ? gr->gr_be.be_fp_tex_stencil_blur :
gr->gr_be.be_fp_tex_stencil;
if(t1->tex.offset == 0 || t1->size == 0)
continue;
realitySetTexture(ctx, 1, &t1->tex);
} else {
rfp = doblur ? gr->gr_be.be_fp_tex_blur : gr->gr_be.be_fp_tex;
}
}
rsx_set_vp(gr, rvp);
}
realitySetVertexProgramConstant4fBlock(ctx, rvp->rvp_binary,
rvp->rvp_u_modelview,
4,
rj->eyespace ? identitymtx :
rj->m);
const float alpha = rj->alpha;
if(likely(rj->blendmode == GLW_BLEND_NORMAL)) {
rgba[0] = rj->rgb_mul.r;
rgba[1] = rj->rgb_mul.g;
rgba[2] = rj->rgb_mul.b;
rgba[3] = alpha;
} else {
rgba[0] = rj->rgb_mul.r * alpha;
rgba[1] = rj->rgb_mul.g * alpha;
rgba[2] = rj->rgb_mul.b * alpha;
rgba[3] = 1;
}
if(likely(rvp->rvp_u_color != -1))
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_color, rgba);
if(unlikely(current_blendmode != rj->blendmode)) {
current_blendmode = rj->blendmode;
switch(rj->blendmode) {
case GLW_BLEND_ADDITIVE:
realityBlendFunc(ctx,
NV30_3D_BLEND_FUNC_SRC_RGB_SRC_COLOR,
NV30_3D_BLEND_FUNC_DST_RGB_ONE);
break;
case GLW_BLEND_NORMAL:
realityBlendFunc(ctx,
NV30_3D_BLEND_FUNC_SRC_RGB_SRC_ALPHA |
NV30_3D_BLEND_FUNC_SRC_ALPHA_SRC_ALPHA,
NV30_3D_BLEND_FUNC_DST_RGB_ONE_MINUS_SRC_ALPHA |
NV30_3D_BLEND_FUNC_DST_ALPHA_ZERO);
break;
}
}
if(unlikely(current_frontface != rj->frontface)) {
current_frontface = rj->frontface;
realityFrontFace(ctx,
current_frontface == GLW_CW ? REALITY_FRONT_FACE_CW :
REALITY_FRONT_FACE_CCW);
}
if(rvp->rvp_u_color_offset != -1) {
rgba[0] = rj->rgb_off.r;
rgba[1] = rj->rgb_off.g;
rgba[2] = rj->rgb_off.b;
rgba[3] = 0;
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_color_offset, rgba);
}
if(rfp == gr->gr_be.be_fp_tex_blur) {
float v[4];
v[0] = rj->blur;
v[1] = 1.5 / t0->tex.width;
v[2] = 1.5 / t0->tex.height;
v[3] = 0;
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_blur, v);
}
rsx_set_fp(gr, rfp);
realityVertexBegin(ctx, rj->primitive_type);
const float *v = &vertices[rj->vertex_offset * VERTEX_SIZE];
for(int i = 0; i < rj->num_vertices; i++) {
realityAttr4f(ctx, rvp->rvp_a_texcoord, v[8], v[9], v[10], v[11]);
if(unlikely(rvp->rvp_a_color) != -1)
realityAttr4f(ctx, rvp->rvp_a_color, v[4], v[5], v[6], v[7]);
realityVertex4f(ctx, v[0], v[1], v[2], v[3]);
v+= VERTEX_SIZE;
}
realityVertexEnd(ctx);
}
}
static void
rsx_render(struct glw_root *gr,
const Mtx m,
const struct glw_backend_texture *t0,
const struct glw_backend_texture *t1,
const struct glw_rgb *rgb_mul,
const struct glw_rgb *rgb_off,
float alpha, float blur,
const float *vertices,
int num_vertices,
const uint16_t *indices,
int num_triangles,
int flags,
glw_program_t *p,
const glw_rctx_t *rc)
{
gcmContextData *ctx = gr->gr_be.be_ctx;
rsx_vp_t *rvp = gr->gr_be.be_vp_1;
rsx_fp_t *rfp;
float rgba[4];
if(t0 == NULL) {
if(t1 != NULL) {
rfp = gr->gr_be.be_fp_flat_stencil;
if(t1->tex.offset == 0 || t1->size == 0)
return;
realitySetTexture(ctx, 0, &t1->tex);
} else {
rfp = gr->gr_be.be_fp_flat;
}
} else {
if(t0->tex.offset == 0 || t0->size == 0)
return;
const int doblur = blur > 0.05 || flags & GLW_RENDER_BLUR_ATTRIBUTE;
realitySetTexture(ctx, 0, &t0->tex);
if(t1 != NULL) {
rfp = doblur ? gr->gr_be.be_fp_tex_stencil_blur :
gr->gr_be.be_fp_tex_stencil;
if(t1->tex.offset == 0 || t1->size == 0)
return;
realitySetTexture(ctx, 1, &t1->tex);
} else {
rfp = doblur ? gr->gr_be.be_fp_tex_blur : gr->gr_be.be_fp_tex;
}
}
rsx_set_vp(gr, rvp);
realitySetVertexProgramConstant4fBlock(ctx, rvp->rvp_binary,
rvp->rvp_u_modelview,
4, m ?: identitymtx);
switch(gr->gr_be.be_blendmode) {
case GLW_BLEND_NORMAL:
rgba[0] = rgb_mul->r;
rgba[1] = rgb_mul->g;
rgba[2] = rgb_mul->b;
rgba[3] = alpha;
break;
case GLW_BLEND_ADDITIVE:
rgba[0] = rgb_mul->r * alpha;
rgba[1] = rgb_mul->g * alpha;
rgba[2] = rgb_mul->b * alpha;
rgba[3] = 1;
break;
}
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_color, rgba);
if(rvp->rvp_u_color_offset != -1) {
if(rgb_off != NULL) {
rgba[0] = rgb_off->r;
rgba[1] = rgb_off->g;
rgba[2] = rgb_off->b;
} else {
rgba[0] = 0;
rgba[1] = 0;
rgba[2] = 0;
}
rgba[3] = 0;
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_color_offset, rgba);
}
if(rfp == gr->gr_be.be_fp_tex_blur) {
float v[4];
v[0] = blur;
v[1] = 1.5 / t0->tex.width;
v[2] = 1.5 / t0->tex.height;
v[3] = 0;
realitySetVertexProgramConstant4f(ctx, rvp->rvp_u_blur, v);
}
rsx_set_fp(gr, rfp, 0);
// TODO: Get rid of immediate mode
realityVertexBegin(ctx, REALITY_TRIANGLES);
int i;
if(indices != NULL) {
for(i = 0; i < num_triangles * 3; i++) {
const float *v = &vertices[indices[i] * VERTEX_SIZE];
realityAttr4f(ctx, rvp->rvp_a_texcoord, v[8], v[9], v[10], v[11]);
realityAttr4f(ctx, rvp->rvp_a_color, v[4], v[5], v[6], v[7]);
realityVertex4f(ctx, v[0], v[1], v[2], v[3]);
}
} else {
for(i = 0; i < num_vertices; i++) {
const float *v = &vertices[i * VERTEX_SIZE];
realityAttr4f(ctx, rvp->rvp_a_texcoord, v[8], v[9], v[10], v[11]);
realityAttr4f(ctx, rvp->rvp_a_color, v[4], v[5], v[6], v[7]);
realityVertex4f(ctx, v[0], v[1], v[2], v[3]);
}
}
realityVertexEnd(ctx);
}