static void
xa_yuv_bind_samplers(struct xa_context *r, struct xa_surface *yuv[])
{
struct pipe_sampler_state *samplers[3];
struct pipe_sampler_state sampler;
struct pipe_sampler_view *views[3];
struct pipe_sampler_view view_templ;
unsigned int i;
memset(&sampler, 0, sizeof(struct pipe_sampler_state));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP;
sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST;
sampler.normalized_coords = 1;
for (i = 0; i < 3; ++i) {
samplers[i] = &sampler;
if (!yuv[i]->view) {
u_sampler_view_default_template(&view_templ,
yuv[i]->tex, yuv[i]->tex->format);
yuv[i]->view = r->pipe->create_sampler_view(r->pipe,
yuv[i]->tex,
&view_templ);
}
views[i] = yuv[i]->view;
}
cso_set_samplers(r->cso, 3, (const struct pipe_sampler_state **)samplers);
cso_set_fragment_sampler_views(r->cso, 3, views);
}
/**
* Set renderer sampler and view states.
*
* This function modifies samplers and fragment_sampler_views states.
*/
static void renderer_set_samplers(struct renderer *r,
uint num_views,
struct pipe_sampler_view **views)
{
struct pipe_sampler_state sampler;
unsigned tex_filter = PIPE_TEX_FILTER_NEAREST;
unsigned tex_wrap = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
uint i;
memset(&sampler, 0, sizeof(sampler));
sampler.min_img_filter = tex_filter;
sampler.mag_img_filter = tex_filter;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.wrap_s = tex_wrap;
sampler.wrap_t = tex_wrap;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.normalized_coords = 1;
/* set samplers */
for (i = 0; i < num_views; i++)
cso_single_sampler(r->cso, i, &sampler);
cso_single_sampler_done(r->cso);
/* set views */
cso_set_fragment_sampler_views(r->cso, num_views, views);
}
int
xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
uint32_t fg)
{
unsigned vs_traits, fs_traits;
struct xa_shader shader;
int width, height;
int ret;
ret = xa_surface_psurf_create(ctx, dst);
if (ret != XA_ERR_NONE)
return ret;
if (dst->srf->format == PIPE_FORMAT_L8_UNORM)
xa_pixel_to_float4_a8(fg, ctx->solid_color);
else
xa_pixel_to_float4(fg, ctx->solid_color);
ctx->has_solid_color = 1;
ctx->dst = dst;
width = dst->srf->width;
height = dst->srf->height;
#if 0
debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n",
(fg >> 24) & 0xff, (fg >> 16) & 0xff,
(fg >> 8) & 0xff, (fg >> 0) & 0xff,
exa->solid_color[0], exa->solid_color[1],
exa->solid_color[2], exa->solid_color[3]);
#endif
vs_traits = VS_SOLID_FILL;
fs_traits = FS_SOLID_FILL;
renderer_bind_destination(ctx, dst->srf, width, height);
bind_solid_blend_state(ctx);
cso_set_samplers(ctx->cso, 0, NULL);
cso_set_fragment_sampler_views(ctx->cso, 0, NULL);
shader = xa_shaders_get(ctx->shaders, vs_traits, fs_traits);
cso_set_vertex_shader_handle(ctx->cso, shader.vs);
cso_set_fragment_shader_handle(ctx->cso, shader.fs);
renderer_begin_solid(ctx);
xa_surface_psurf_destroy(dst);
return XA_ERR_NONE;
}
/**
* Set custom renderer fragment shader, and optionally set samplers and views
* and upload the fragment constant buffer.
*
* This function modifies fragment_shader, samplers and fragment_sampler_views
* states.
*/
static void renderer_set_custom_fs(struct renderer *renderer,
void *fs,
const struct pipe_sampler_state **samplers,
struct pipe_sampler_view **views,
VGint num_samplers,
const void *const_buffer,
VGint const_buffer_len)
{
cso_set_fragment_shader_handle(renderer->cso, fs);
/* set samplers and views */
if (num_samplers) {
cso_set_samplers(renderer->cso, num_samplers, samplers);
cso_set_fragment_sampler_views(renderer->cso, num_samplers, views);
}
/* upload fs constant buffer */
if (const_buffer_len) {
struct pipe_resource *cbuf = renderer->fs_cbuf;
if (!cbuf || renderer->fs_cbuf_len != const_buffer_len ||
memcmp(renderer->fs_cbuf_data, const_buffer, const_buffer_len)) {
pipe_resource_reference(&cbuf, NULL);
cbuf = pipe_buffer_create(renderer->pipe->screen,
PIPE_BIND_CONSTANT_BUFFER, const_buffer_len);
pipe_buffer_write(renderer->pipe, cbuf, 0,
const_buffer_len, const_buffer);
renderer->pipe->set_constant_buffer(renderer->pipe,
PIPE_SHADER_FRAGMENT, 0, cbuf);
renderer->fs_cbuf = cbuf;
if (const_buffer_len <= sizeof(renderer->fs_cbuf_data)) {
memcpy(renderer->fs_cbuf_data, const_buffer, const_buffer_len);
renderer->fs_cbuf_len = const_buffer_len;
}
else {
renderer->fs_cbuf_len = 0;
}
}
}
}
static void draw(struct program *p)
{
/* set the render target */
cso_set_framebuffer(p->cso, &p->framebuffer);
/* clear the render target */
p->pipe->clear(p->pipe, PIPE_CLEAR_COLOR, &p->clear_color, 0, 0);
/* set misc state we care about */
cso_set_blend(p->cso, &p->blend);
cso_set_depth_stencil_alpha(p->cso, &p->depthstencil);
cso_set_rasterizer(p->cso, &p->rasterizer);
cso_set_viewport(p->cso, &p->viewport);
/* sampler */
cso_single_sampler(p->cso, 0, &p->sampler);
cso_single_sampler_done(p->cso);
/* texture sampler view */
cso_set_fragment_sampler_views(p->cso, 1, &p->view);
/* shaders */
cso_set_fragment_shader_handle(p->cso, p->fs);
cso_set_vertex_shader_handle(p->cso, p->vs);
/* vertex element data */
cso_set_vertex_elements(p->cso, 2, p->velem);
util_draw_vertex_buffer(p->pipe, p->cso,
p->vbuf, 0,
PIPE_PRIM_QUADS,
4, /* verts */
2); /* attribs/vert */
p->pipe->flush(p->pipe, NULL);
debug_dump_surface_bmp(p->pipe, "result.bmp", p->framebuffer.cbufs[0]);
}
static void
update_fragment_textures(struct st_context *st)
{
const struct gl_context *ctx = st->ctx;
struct gl_fragment_program *fprog = ctx->FragmentProgram._Current;
GLuint su;
int old_max = st->state.num_textures;
GLbitfield samplers_used = fprog->Base.SamplersUsed;
st->state.num_textures = 0;
/* loop over sampler units (aka tex image units) */
for (su = 0; su < ctx->Const.MaxTextureImageUnits; su++, samplers_used >>= 1) {
struct pipe_sampler_view *sampler_view = NULL;
if (samplers_used & 1) {
GLboolean retval;
GLuint texUnit;
texUnit = fprog->Base.SamplerUnits[su];
retval = update_single_texture(st, &sampler_view, texUnit);
if (retval == GL_FALSE)
continue;
st->state.num_textures = su + 1;
} else if (samplers_used == 0 && su >= old_max) {
/* if we've reset all the old views and we have no more new ones */
break;
}
pipe_sampler_view_reference(&st->state.sampler_views[su], sampler_view);
}
cso_set_fragment_sampler_views(st->cso_context,
st->state.num_textures,
st->state.sampler_views);
}
static void close_prog(struct program *p)
{
/* unset bound textures as well */
cso_set_fragment_sampler_views(p->cso, 0, NULL);
/* unset all state */
cso_release_all(p->cso);
p->pipe->delete_vs_state(p->pipe, p->vs);
p->pipe->delete_fs_state(p->pipe, p->fs);
pipe_surface_reference(&p->framebuffer.cbufs[0], NULL);
pipe_sampler_view_reference(&p->view, NULL);
pipe_resource_reference(&p->target, NULL);
pipe_resource_reference(&p->tex, NULL);
pipe_resource_reference(&p->vbuf, NULL);
cso_destroy_context(p->cso);
p->pipe->destroy(p->pipe);
p->screen->destroy(p->screen);
FREE(p);
}
void
renderer_copy_prepare(struct xa_context *r,
struct pipe_surface *dst_surface,
struct pipe_resource *src_texture,
const enum xa_formats src_xa_format,
const enum xa_formats dst_xa_format)
{
struct pipe_context *pipe = r->pipe;
struct pipe_screen *screen = pipe->screen;
struct xa_shader shader;
uint32_t fs_traits = FS_COMPOSITE;
assert(screen->is_format_supported(screen, dst_surface->format,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET));
(void)screen;
/* set misc state we care about */
{
struct pipe_blend_state blend;
memset(&blend, 0, sizeof(blend));
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].colormask = PIPE_MASK_RGBA;
cso_set_blend(r->cso, &blend);
}
/* sampler */
{
struct pipe_sampler_state sampler;
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.normalized_coords = 1;
cso_single_sampler(r->cso, 0, &sampler);
cso_single_sampler_done(r->cso);
}
renderer_bind_destination(r, dst_surface,
dst_surface->width, dst_surface->height);
/* texture/sampler view */
{
struct pipe_sampler_view templ;
struct pipe_sampler_view *src_view;
u_sampler_view_default_template(&templ,
src_texture, src_texture->format);
src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
cso_set_fragment_sampler_views(r->cso, 1, &src_view);
pipe_sampler_view_reference(&src_view, NULL);
}
/* shaders */
if (src_texture->format == PIPE_FORMAT_L8_UNORM)
fs_traits |= FS_SRC_LUMINANCE;
if (dst_surface->format == PIPE_FORMAT_L8_UNORM)
fs_traits |= FS_DST_LUMINANCE;
if (xa_format_a(dst_xa_format) != 0 &&
xa_format_a(src_xa_format) == 0)
fs_traits |= FS_SRC_SET_ALPHA;
shader = xa_shaders_get(r->shaders, VS_COMPOSITE, fs_traits);
cso_set_vertex_shader_handle(r->cso, shader.vs);
cso_set_fragment_shader_handle(r->cso, shader.fs);
r->buffer_size = 0;
r->attrs_per_vertex = 2;
}
/** Run function of the MLAA filter. */
static void
pp_jimenezmlaa_run(struct pp_queue_t *ppq, struct pipe_resource *in,
struct pipe_resource *out, unsigned int n, bool iscolor)
{
struct program *p = ppq->p;
struct pipe_depth_stencil_alpha_state mstencil;
struct pipe_sampler_view v_tmp, *arr[3];
unsigned int w = p->framebuffer.width;
unsigned int h = p->framebuffer.height;
const struct pipe_stencil_ref ref = { {1} };
memset(&mstencil, 0, sizeof(mstencil));
cso_set_stencil_ref(p->cso, &ref);
/* Init the pixel size constant */
if (dimensions[0] != p->framebuffer.width ||
dimensions[1] != p->framebuffer.height) {
constants[0] = 1.0 / p->framebuffer.width;
constants[1] = 1.0 / p->framebuffer.height;
up_consts(p->pipe);
dimensions[0] = p->framebuffer.width;
dimensions[1] = p->framebuffer.height;
}
p->pipe->set_constant_buffer(p->pipe, PIPE_SHADER_VERTEX, 0, constbuf);
p->pipe->set_constant_buffer(p->pipe, PIPE_SHADER_FRAGMENT, 0, constbuf);
mstencil.stencil[0].enabled = 1;
mstencil.stencil[0].valuemask = mstencil.stencil[0].writemask = ~0;
mstencil.stencil[0].func = PIPE_FUNC_ALWAYS;
mstencil.stencil[0].fail_op = PIPE_STENCIL_OP_KEEP;
mstencil.stencil[0].zfail_op = PIPE_STENCIL_OP_KEEP;
mstencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
p->framebuffer.zsbuf = ppq->stencils;
/* First pass: depth edge detection */
if (iscolor)
pp_filter_setup_in(p, in);
else
pp_filter_setup_in(p, ppq->depth);
pp_filter_setup_out(p, ppq->inner_tmp[0]);
pp_filter_set_fb(p);
pp_filter_misc_state(p);
cso_set_depth_stencil_alpha(p->cso, &mstencil);
p->pipe->clear(p->pipe, PIPE_CLEAR_STENCIL | PIPE_CLEAR_COLOR,
&p->clear_color, 0, 0);
cso_single_sampler(p->cso, 0, &p->sampler_point);
cso_single_sampler_done(p->cso);
cso_set_fragment_sampler_views(p->cso, 1, &p->view);
cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][1]); /* offsetvs */
cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][2]);
pp_filter_draw(p);
pp_filter_end_pass(p);
/* Second pass: blend weights */
/* Sampler order: areamap, edgesmap, edgesmapL (reversed, thx compiler) */
mstencil.stencil[0].func = PIPE_FUNC_EQUAL;
mstencil.stencil[0].zpass_op = PIPE_STENCIL_OP_KEEP;
cso_set_depth_stencil_alpha(p->cso, &mstencil);
pp_filter_setup_in(p, areamaptex);
pp_filter_setup_out(p, ppq->inner_tmp[1]);
u_sampler_view_default_template(&v_tmp, ppq->inner_tmp[0],
ppq->inner_tmp[0]->format);
arr[1] = arr[2] = p->pipe->create_sampler_view(p->pipe,
ppq->inner_tmp[0], &v_tmp);
pp_filter_set_clear_fb(p);
cso_single_sampler(p->cso, 0, &p->sampler_point);
cso_single_sampler(p->cso, 1, &p->sampler_point);
cso_single_sampler(p->cso, 2, &p->sampler);
cso_single_sampler_done(p->cso);
arr[0] = p->view;
cso_set_fragment_sampler_views(p->cso, 3, arr);
cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][0]); /* passvs */
cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][3]);
pp_filter_draw(p);
pp_filter_end_pass(p);
pipe_sampler_view_reference(&arr[1], NULL);
/* Third pass: smoothed edges */
/* Sampler order: colormap, blendmap (wtf compiler) */
pp_filter_setup_in(p, ppq->inner_tmp[1]);
pp_filter_setup_out(p, out);
pp_filter_set_fb(p);
/* Blit the input to the output */
util_blit_pixels(p->blitctx, in, 0, 0, 0,
w, h, 0, p->framebuffer.cbufs[0],
0, 0, w, h, 0, PIPE_TEX_MIPFILTER_NEAREST);
u_sampler_view_default_template(&v_tmp, in, in->format);
arr[0] = p->pipe->create_sampler_view(p->pipe, in, &v_tmp);
cso_single_sampler(p->cso, 0, &p->sampler_point);
cso_single_sampler(p->cso, 1, &p->sampler_point);
cso_single_sampler_done(p->cso);
arr[1] = p->view;
cso_set_fragment_sampler_views(p->cso, 2, arr);
cso_set_vertex_shader_handle(p->cso, ppq->shaders[n][1]); /* offsetvs */
cso_set_fragment_shader_handle(p->cso, ppq->shaders[n][4]);
p->blend.rt[0].blend_enable = 1;
cso_set_blend(p->cso, &p->blend);
pp_filter_draw(p);
pp_filter_end_pass(p);
pipe_sampler_view_reference(&arr[0], NULL);
p->blend.rt[0].blend_enable = 0;
p->framebuffer.zsbuf = NULL;
}
static void
draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
GLsizei width, GLsizei height,
GLfloat zoomX, GLfloat zoomY,
struct pipe_sampler_view **sv,
int num_sampler_view,
void *driver_vp,
void *driver_fp,
const GLfloat *color,
GLboolean invertTex,
GLboolean write_depth, GLboolean write_stencil)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
GLfloat x0, y0, x1, y1;
GLsizei maxSize;
boolean normalized = sv[0]->texture->target != PIPE_TEXTURE_RECT;
/* limit checks */
/* XXX if DrawPixels image is larger than max texture size, break
* it up into chunks.
*/
maxSize = 1 << (pipe->screen->get_param(pipe->screen,
PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
assert(width <= maxSize);
assert(height <= maxSize);
cso_save_rasterizer(cso);
cso_save_viewport(cso);
cso_save_samplers(cso);
cso_save_fragment_sampler_views(cso);
cso_save_fragment_shader(cso);
cso_save_vertex_shader(cso);
cso_save_vertex_elements(cso);
cso_save_vertex_buffers(cso);
if (write_stencil) {
cso_save_depth_stencil_alpha(cso);
cso_save_blend(cso);
}
/* rasterizer state: just scissor */
{
struct pipe_rasterizer_state rasterizer;
memset(&rasterizer, 0, sizeof(rasterizer));
rasterizer.clamp_fragment_color = ctx->Color._ClampFragmentColor;
rasterizer.gl_rasterization_rules = 1;
rasterizer.scissor = ctx->Scissor.Enabled;
cso_set_rasterizer(cso, &rasterizer);
}
if (write_stencil) {
/* Stencil writing bypasses the normal fragment pipeline to
* disable color writing and set stencil test to always pass.
*/
struct pipe_depth_stencil_alpha_state dsa;
struct pipe_blend_state blend;
/* depth/stencil */
memset(&dsa, 0, sizeof(dsa));
dsa.stencil[0].enabled = 1;
dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
dsa.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff;
dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
if (write_depth) {
/* writing depth+stencil: depth test always passes */
dsa.depth.enabled = 1;
dsa.depth.writemask = ctx->Depth.Mask;
dsa.depth.func = PIPE_FUNC_ALWAYS;
}
cso_set_depth_stencil_alpha(cso, &dsa);
/* blend (colormask) */
memset(&blend, 0, sizeof(blend));
cso_set_blend(cso, &blend);
}
/* fragment shader state: TEX lookup program */
cso_set_fragment_shader_handle(cso, driver_fp);
/* vertex shader state: position + texcoord pass-through */
cso_set_vertex_shader_handle(cso, driver_vp);
/* texture sampling state: */
{
struct pipe_sampler_state sampler;
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP;
sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler.normalized_coords = normalized;
cso_single_sampler(cso, 0, &sampler);
if (num_sampler_view > 1) {
cso_single_sampler(cso, 1, &sampler);
}
cso_single_sampler_done(cso);
}
/* viewport state: viewport matching window dims */
{
const float w = (float) ctx->DrawBuffer->Width;
const float h = (float) ctx->DrawBuffer->Height;
struct pipe_viewport_state vp;
vp.scale[0] = 0.5f * w;
vp.scale[1] = -0.5f * h;
vp.scale[2] = 0.5f;
vp.scale[3] = 1.0f;
vp.translate[0] = 0.5f * w;
vp.translate[1] = 0.5f * h;
vp.translate[2] = 0.5f;
vp.translate[3] = 0.0f;
cso_set_viewport(cso, &vp);
}
cso_set_vertex_elements(cso, 3, st->velems_util_draw);
/* texture state: */
cso_set_fragment_sampler_views(cso, num_sampler_view, sv);
/* Compute Gallium window coords (y=0=top) with pixel zoom.
* Recall that these coords are transformed by the current
* vertex shader and viewport transformation.
*/
if (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM) {
y = ctx->DrawBuffer->Height - (int) (y + height * ctx->Pixel.ZoomY);
invertTex = !invertTex;
}
x0 = (GLfloat) x;
x1 = x + width * ctx->Pixel.ZoomX;
y0 = (GLfloat) y;
y1 = y + height * ctx->Pixel.ZoomY;
/* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
z = z * 2.0 - 1.0;
draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex,
normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width,
normalized ? ((GLfloat) height / sv[0]->texture->height0) : (GLfloat)height);
/* restore state */
cso_restore_rasterizer(cso);
cso_restore_viewport(cso);
cso_restore_samplers(cso);
cso_restore_fragment_sampler_views(cso);
cso_restore_fragment_shader(cso);
cso_restore_vertex_shader(cso);
cso_restore_vertex_elements(cso);
cso_restore_vertex_buffers(cso);
if (write_stencil) {
cso_restore_depth_stencil_alpha(cso);
cso_restore_blend(cso);
}
}
/**
* Render a glBitmap by drawing a textured quad
*/
static void
draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
GLsizei width, GLsizei height,
struct pipe_sampler_view *sv,
const GLfloat *color)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
struct st_fp_variant *fpv;
struct st_fp_variant_key key;
GLuint maxSize;
GLuint offset;
memset(&key, 0, sizeof(key));
key.st = st;
key.bitmap = GL_TRUE;
fpv = st_get_fp_variant(st, st->fp, &key);
/* As an optimization, Mesa's fragment programs will sometimes get the
* primary color from a statevar/constant rather than a varying variable.
* when that's the case, we need to ensure that we use the 'color'
* parameter and not the current attribute color (which may have changed
* through glRasterPos and state validation.
* So, we force the proper color here. Not elegant, but it works.
*/
{
GLfloat colorSave[4];
COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color);
st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave);
}
/* limit checks */
/* XXX if the bitmap is larger than the max texture size, break
* it up into chunks.
*/
maxSize = 1 << (pipe->screen->get_param(pipe->screen,
PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
assert(width <= (GLsizei)maxSize);
assert(height <= (GLsizei)maxSize);
cso_save_rasterizer(cso);
cso_save_samplers(cso);
cso_save_fragment_sampler_views(cso);
cso_save_viewport(cso);
cso_save_fragment_shader(cso);
cso_save_vertex_shader(cso);
cso_save_vertex_elements(cso);
cso_save_vertex_buffers(cso);
/* rasterizer state: just scissor */
st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled;
cso_set_rasterizer(cso, &st->bitmap.rasterizer);
/* fragment shader state: TEX lookup program */
cso_set_fragment_shader_handle(cso, fpv->driver_shader);
/* vertex shader state: position + texcoord pass-through */
cso_set_vertex_shader_handle(cso, st->bitmap.vs);
/* user samplers, plus our bitmap sampler */
{
struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_samplers);
uint i;
for (i = 0; i < st->state.num_samplers; i++) {
samplers[i] = &st->state.samplers[i];
}
samplers[fpv->bitmap_sampler] =
&st->bitmap.samplers[sv->texture->target != PIPE_TEXTURE_RECT];
cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers);
}
/* user textures, plus the bitmap texture */
{
struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_textures);
memcpy(sampler_views, st->state.sampler_views, sizeof(sampler_views));
sampler_views[fpv->bitmap_sampler] = sv;
cso_set_fragment_sampler_views(cso, num, sampler_views);
}
/* viewport state: viewport matching window dims */
{
const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
const GLfloat width = (GLfloat)fb->Width;
const GLfloat height = (GLfloat)fb->Height;
struct pipe_viewport_state vp;
vp.scale[0] = 0.5f * width;
vp.scale[1] = height * (invert ? -0.5f : 0.5f);
vp.scale[2] = 0.5f;
vp.scale[3] = 1.0f;
vp.translate[0] = 0.5f * width;
vp.translate[1] = 0.5f * height;
vp.translate[2] = 0.5f;
vp.translate[3] = 0.0f;
cso_set_viewport(cso, &vp);
}
cso_set_vertex_elements(cso, 3, st->velems_util_draw);
/* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
z = z * 2.0 - 1.0;
/* draw textured quad */
offset = setup_bitmap_vertex_data(st,
sv->texture->target != PIPE_TEXTURE_RECT,
x, y, width, height, z, color);
util_draw_vertex_buffer(pipe, st->cso_context, st->bitmap.vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
3); /* attribs/vert */
/* restore state */
cso_restore_rasterizer(cso);
cso_restore_samplers(cso);
cso_restore_fragment_sampler_views(cso);
cso_restore_viewport(cso);
cso_restore_fragment_shader(cso);
cso_restore_vertex_shader(cso);
cso_restore_vertex_elements(cso);
cso_restore_vertex_buffers(cso);
}
/**
* Copy pixel block from src texture to dst surface.
* The sampler view's first_level field indicates the source
* mipmap level to use.
* XXX need some control over blitting Z and/or stencil.
*/
void
util_blit_pixels_tex(struct blit_state *ctx,
struct pipe_sampler_view *src_sampler_view,
int srcX0, int srcY0,
int srcX1, int srcY1,
struct pipe_surface *dst,
int dstX0, int dstY0,
int dstX1, int dstY1,
float z, uint filter)
{
boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT;
struct pipe_framebuffer_state fb;
float s0, t0, s1, t1;
unsigned offset;
struct pipe_resource *tex = src_sampler_view->texture;
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
assert(tex);
assert(tex->width0 != 0);
assert(tex->height0 != 0);
s0 = srcX0;
s1 = srcX1;
t0 = srcY0;
t1 = srcY1;
if(normalized)
{
/* normalize according to the mipmap level's size */
int level = src_sampler_view->u.tex.first_level;
float w = (float) u_minify(tex->width0, level);
float h = (float) u_minify(tex->height0, level);
s0 /= w;
s1 /= w;
t0 /= h;
t1 /= h;
}
assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format,
PIPE_TEXTURE_2D,
dst->texture->nr_samples,
PIPE_BIND_RENDER_TARGET));
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_depth_stencil_alpha(ctx->cso);
cso_save_rasterizer(ctx->cso);
cso_save_samplers(ctx->cso);
cso_save_fragment_sampler_views(ctx->cso);
cso_save_stream_outputs(ctx->cso);
cso_save_viewport(ctx->cso);
cso_save_framebuffer(ctx->cso);
cso_save_fragment_shader(ctx->cso);
cso_save_vertex_shader(ctx->cso);
cso_save_geometry_shader(ctx->cso);
cso_save_vertex_elements(ctx->cso);
cso_save_vertex_buffers(ctx->cso);
/* set misc state we care about */
cso_set_blend(ctx->cso, &ctx->blend_write_color);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
cso_set_stream_outputs(ctx->cso, 0, NULL, 0);
/* sampler */
ctx->sampler.normalized_coords = normalized;
ctx->sampler.min_img_filter = filter;
ctx->sampler.mag_img_filter = filter;
cso_single_sampler(ctx->cso, 0, &ctx->sampler);
cso_single_sampler_done(ctx->cso);
/* viewport */
ctx->viewport.scale[0] = 0.5f * dst->width;
ctx->viewport.scale[1] = 0.5f * dst->height;
ctx->viewport.scale[2] = 0.5f;
ctx->viewport.scale[3] = 1.0f;
ctx->viewport.translate[0] = 0.5f * dst->width;
ctx->viewport.translate[1] = 0.5f * dst->height;
ctx->viewport.translate[2] = 0.5f;
ctx->viewport.translate[3] = 0.0f;
cso_set_viewport(ctx->cso, &ctx->viewport);
/* texture */
cso_set_fragment_sampler_views(ctx->cso, 1, &src_sampler_view);
/* shaders */
set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW,
src_sampler_view->texture->target);
set_vertex_shader(ctx);
cso_set_geometry_shader_handle(ctx->cso, NULL);
/* drawing dest */
memset(&fb, 0, sizeof(fb));
fb.width = dst->width;
fb.height = dst->height;
fb.nr_cbufs = 1;
fb.cbufs[0] = dst;
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
offset = setup_vertex_data_tex(ctx,
(float) dstX0 / dst->width * 2.0f - 1.0f,
(float) dstY0 / dst->height * 2.0f - 1.0f,
(float) dstX1 / dst->width * 2.0f - 1.0f,
(float) dstY1 / dst->height * 2.0f - 1.0f,
s0, t0, s1, t1,
z);
util_draw_vertex_buffer(ctx->pipe, ctx->cso,
ctx->vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
/* restore state we changed */
cso_restore_blend(ctx->cso);
cso_restore_depth_stencil_alpha(ctx->cso);
cso_restore_rasterizer(ctx->cso);
cso_restore_samplers(ctx->cso);
cso_restore_fragment_sampler_views(ctx->cso);
cso_restore_viewport(ctx->cso);
cso_restore_framebuffer(ctx->cso);
cso_restore_fragment_shader(ctx->cso);
cso_restore_vertex_shader(ctx->cso);
cso_restore_geometry_shader(ctx->cso);
cso_restore_vertex_elements(ctx->cso);
cso_restore_vertex_buffers(ctx->cso);
cso_restore_stream_outputs(ctx->cso);
}
/**
* Copy pixel block from src surface to dst surface.
* Overlapping regions are acceptable.
* Flipping and stretching are supported.
* \param filter one of PIPE_TEX_MIPFILTER_NEAREST/LINEAR
* \param writemask controls which channels in the dest surface are sourced
* from the src surface. Disabled channels are sourced
* from (0,0,0,1).
*/
void
util_blit_pixels(struct blit_state *ctx,
struct pipe_resource *src_tex,
unsigned src_level,
int srcX0, int srcY0,
int srcX1, int srcY1,
int srcZ0,
struct pipe_surface *dst,
int dstX0, int dstY0,
int dstX1, int dstY1,
float z, uint filter,
uint writemask, uint zs_writemask)
{
struct pipe_context *pipe = ctx->pipe;
struct pipe_screen *screen = pipe->screen;
enum pipe_format src_format, dst_format;
struct pipe_sampler_view *sampler_view = NULL;
struct pipe_sampler_view sv_templ;
struct pipe_surface *dst_surface;
struct pipe_framebuffer_state fb;
const int srcW = abs(srcX1 - srcX0);
const int srcH = abs(srcY1 - srcY0);
unsigned offset;
boolean overlap;
float s0, t0, s1, t1;
boolean normalized;
boolean is_stencil, is_depth, blit_depth, blit_stencil;
const struct util_format_description *src_desc =
util_format_description(src_tex->format);
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
assert(src_level <= src_tex->last_level);
/* do the regions overlap? */
overlap = src_tex == dst->texture &&
dst->u.tex.level == src_level &&
dst->u.tex.first_layer == srcZ0 &&
regions_overlap(srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1);
src_format = util_format_linear(src_tex->format);
dst_format = util_format_linear(dst->format);
/* See whether we will blit depth or stencil. */
is_depth = util_format_has_depth(src_desc);
is_stencil = util_format_has_stencil(src_desc);
blit_depth = is_depth && (zs_writemask & BLIT_WRITEMASK_Z);
blit_stencil = is_stencil && (zs_writemask & BLIT_WRITEMASK_STENCIL);
assert((writemask && !zs_writemask && !is_depth && !is_stencil) ||
(!writemask && (blit_depth || blit_stencil)));
/*
* Check for simple case: no format conversion, no flipping, no stretching,
* no overlapping.
* Filter mode should not matter since there's no stretching.
*/
if (formats_compatible(src_format, dst_format) &&
is_stencil == blit_stencil &&
is_depth == blit_depth &&
srcX0 < srcX1 &&
dstX0 < dstX1 &&
srcY0 < srcY1 &&
dstY0 < dstY1 &&
(dstX1 - dstX0) == (srcX1 - srcX0) &&
(dstY1 - dstY0) == (srcY1 - srcY0) &&
!overlap) {
struct pipe_box src_box;
src_box.x = srcX0;
src_box.y = srcY0;
src_box.z = srcZ0;
src_box.width = srcW;
src_box.height = srcH;
src_box.depth = 1;
pipe->resource_copy_region(pipe,
dst->texture, dst->u.tex.level,
dstX0, dstY0, dst->u.tex.first_layer,/* dest */
src_tex, src_level,
&src_box);
return;
}
/* It's a mistake to call this function with a stencil format and
* without shader stencil export. We don't do software fallbacks here.
* Ignore stencil and only copy depth.
*/
if (blit_stencil && !ctx->has_stencil_export) {
blit_stencil = FALSE;
if (!blit_depth)
return;
}
if (dst_format == dst->format) {
dst_surface = dst;
} else {
struct pipe_surface templ = *dst;
templ.format = dst_format;
dst_surface = pipe->create_surface(pipe, dst->texture, &templ);
}
/* Create a temporary texture when src and dest alias.
*/
if (src_tex == dst_surface->texture &&
dst_surface->u.tex.level == src_level &&
dst_surface->u.tex.first_layer == srcZ0) {
/* Make a temporary texture which contains a copy of the source pixels.
* Then we'll sample from the temporary texture.
*/
struct pipe_resource texTemp;
struct pipe_resource *tex;
struct pipe_sampler_view sv_templ;
struct pipe_box src_box;
const int srcLeft = MIN2(srcX0, srcX1);
const int srcTop = MIN2(srcY0, srcY1);
if (srcLeft != srcX0) {
/* left-right flip */
int tmp = dstX0;
dstX0 = dstX1;
dstX1 = tmp;
}
if (srcTop != srcY0) {
/* up-down flip */
int tmp = dstY0;
dstY0 = dstY1;
dstY1 = tmp;
}
/* create temp texture */
memset(&texTemp, 0, sizeof(texTemp));
texTemp.target = ctx->internal_target;
texTemp.format = src_format;
texTemp.last_level = 0;
texTemp.width0 = srcW;
texTemp.height0 = srcH;
texTemp.depth0 = 1;
texTemp.array_size = 1;
texTemp.bind = PIPE_BIND_SAMPLER_VIEW;
tex = screen->resource_create(screen, &texTemp);
if (!tex)
return;
src_box.x = srcLeft;
src_box.y = srcTop;
src_box.z = srcZ0;
src_box.width = srcW;
src_box.height = srcH;
src_box.depth = 1;
/* load temp texture */
pipe->resource_copy_region(pipe,
tex, 0, 0, 0, 0, /* dest */
src_tex, src_level, &src_box);
normalized = tex->target != PIPE_TEXTURE_RECT;
if(normalized) {
s0 = 0.0f;
s1 = 1.0f;
t0 = 0.0f;
t1 = 1.0f;
}
else {
s0 = 0;
s1 = srcW;
t0 = 0;
t1 = srcH;
}
u_sampler_view_default_template(&sv_templ, tex, tex->format);
if (!blit_depth && blit_stencil) {
/* set a stencil-only format, e.g. Z24S8 --> X24S8 */
sv_templ.format = util_format_stencil_only(tex->format);
assert(sv_templ.format != PIPE_FORMAT_NONE);
}
sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ);
if (!sampler_view) {
pipe_resource_reference(&tex, NULL);
return;
}
pipe_resource_reference(&tex, NULL);
}
else {
/* Directly sample from the source resource/texture */
u_sampler_view_default_template(&sv_templ, src_tex, src_format);
if (!blit_depth && blit_stencil) {
/* set a stencil-only format, e.g. Z24S8 --> X24S8 */
sv_templ.format = util_format_stencil_only(src_format);
assert(sv_templ.format != PIPE_FORMAT_NONE);
}
sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ);
if (!sampler_view) {
return;
}
s0 = srcX0;
s1 = srcX1;
t0 = srcY0;
t1 = srcY1;
normalized = sampler_view->texture->target != PIPE_TEXTURE_RECT;
if(normalized)
{
s0 /= (float)(u_minify(sampler_view->texture->width0, src_level));
s1 /= (float)(u_minify(sampler_view->texture->width0, src_level));
t0 /= (float)(u_minify(sampler_view->texture->height0, src_level));
t1 /= (float)(u_minify(sampler_view->texture->height0, src_level));
}
}
assert(screen->is_format_supported(screen, sampler_view->format,
ctx->internal_target, sampler_view->texture->nr_samples,
PIPE_BIND_SAMPLER_VIEW));
assert(screen->is_format_supported(screen, dst_format, ctx->internal_target,
dst_surface->texture->nr_samples,
is_depth || is_stencil ? PIPE_BIND_DEPTH_STENCIL :
PIPE_BIND_RENDER_TARGET));
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_depth_stencil_alpha(ctx->cso);
cso_save_rasterizer(ctx->cso);
cso_save_samplers(ctx->cso);
cso_save_fragment_sampler_views(ctx->cso);
cso_save_stream_outputs(ctx->cso);
cso_save_viewport(ctx->cso);
cso_save_framebuffer(ctx->cso);
cso_save_fragment_shader(ctx->cso);
cso_save_vertex_shader(ctx->cso);
cso_save_geometry_shader(ctx->cso);
cso_save_vertex_elements(ctx->cso);
cso_save_vertex_buffers(ctx->cso);
/* set misc state we care about */
if (writemask)
cso_set_blend(ctx->cso, &ctx->blend_write_color);
else
cso_set_blend(ctx->cso, &ctx->blend_keep_color);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
cso_set_stream_outputs(ctx->cso, 0, NULL, 0);
/* default sampler state */
ctx->sampler.normalized_coords = normalized;
ctx->sampler.min_img_filter = filter;
ctx->sampler.mag_img_filter = filter;
ctx->sampler.min_lod = src_level;
ctx->sampler.max_lod = src_level;
/* Depth stencil state, fragment shader and sampler setup depending on what
* we blit.
*/
if (blit_depth && blit_stencil) {
cso_single_sampler(ctx->cso, 0, &ctx->sampler);
/* don't filter stencil */
ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
cso_single_sampler(ctx->cso, 1, &ctx->sampler);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depthstencil);
set_depthstencil_fragment_shader(ctx, sampler_view->texture->target);
}
else if (blit_depth) {
cso_single_sampler(ctx->cso, 0, &ctx->sampler);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depth);
set_depth_fragment_shader(ctx, sampler_view->texture->target);
}
else if (blit_stencil) {
/* don't filter stencil */
ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
cso_single_sampler(ctx->cso, 0, &ctx->sampler);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_stencil);
set_stencil_fragment_shader(ctx, sampler_view->texture->target);
}
else { /* color */
cso_single_sampler(ctx->cso, 0, &ctx->sampler);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil);
set_fragment_shader(ctx, writemask, sampler_view->texture->target);
}
cso_single_sampler_done(ctx->cso);
/* textures */
if (blit_depth && blit_stencil) {
/* Setup two samplers, one for depth and the other one for stencil. */
struct pipe_sampler_view templ;
struct pipe_sampler_view *views[2];
templ = *sampler_view;
templ.format = util_format_stencil_only(templ.format);
assert(templ.format != PIPE_FORMAT_NONE);
views[0] = sampler_view;
views[1] = pipe->create_sampler_view(pipe, views[0]->texture, &templ);
cso_set_fragment_sampler_views(ctx->cso, 2, views);
pipe_sampler_view_reference(&views[1], NULL);
}
else {
cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view);
}
/* viewport */
ctx->viewport.scale[0] = 0.5f * dst_surface->width;
ctx->viewport.scale[1] = 0.5f * dst_surface->height;
ctx->viewport.scale[2] = 0.5f;
ctx->viewport.scale[3] = 1.0f;
ctx->viewport.translate[0] = 0.5f * dst_surface->width;
ctx->viewport.translate[1] = 0.5f * dst_surface->height;
ctx->viewport.translate[2] = 0.5f;
ctx->viewport.translate[3] = 0.0f;
cso_set_viewport(ctx->cso, &ctx->viewport);
set_vertex_shader(ctx);
cso_set_geometry_shader_handle(ctx->cso, NULL);
/* drawing dest */
memset(&fb, 0, sizeof(fb));
fb.width = dst_surface->width;
fb.height = dst_surface->height;
if (blit_depth || blit_stencil) {
fb.zsbuf = dst_surface;
} else {
fb.nr_cbufs = 1;
fb.cbufs[0] = dst_surface;
}
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
offset = setup_vertex_data_tex(ctx,
(float) dstX0 / dst_surface->width * 2.0f - 1.0f,
(float) dstY0 / dst_surface->height * 2.0f - 1.0f,
(float) dstX1 / dst_surface->width * 2.0f - 1.0f,
(float) dstY1 / dst_surface->height * 2.0f - 1.0f,
s0, t0,
s1, t1,
z);
if (ctx->vbuf) {
util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
}
/* restore state we changed */
cso_restore_blend(ctx->cso);
cso_restore_depth_stencil_alpha(ctx->cso);
cso_restore_rasterizer(ctx->cso);
cso_restore_samplers(ctx->cso);
cso_restore_fragment_sampler_views(ctx->cso);
cso_restore_viewport(ctx->cso);
cso_restore_framebuffer(ctx->cso);
cso_restore_fragment_shader(ctx->cso);
cso_restore_vertex_shader(ctx->cso);
cso_restore_geometry_shader(ctx->cso);
cso_restore_vertex_elements(ctx->cso);
cso_restore_vertex_buffers(ctx->cso);
cso_restore_stream_outputs(ctx->cso);
pipe_sampler_view_reference(&sampler_view, NULL);
if (dst_surface != dst)
pipe_surface_reference(&dst_surface, NULL);
}
