static void i915_set_fragment_sampler_views(struct pipe_context *pipe,
unsigned num,
struct pipe_sampler_view **views)
{
struct i915_context *i915 = i915_context(pipe);
uint i;
assert(num <= PIPE_MAX_SAMPLERS);
/* Check for no-op */
if (num == i915->num_fragment_sampler_views &&
!memcmp(i915->fragment_sampler_views, views, num * sizeof(struct pipe_sampler_view *)))
return;
for (i = 0; i < num; i++) {
/* Note: we're using pipe_sampler_view_release() here to work around
* a possible crash when the old view belongs to another context that
* was already destroyed.
*/
pipe_sampler_view_release(pipe, &i915->fragment_sampler_views[i]);
pipe_sampler_view_reference(&i915->fragment_sampler_views[i],
views[i]);
}
for (i = num; i < i915->num_fragment_sampler_views; i++)
pipe_sampler_view_release(pipe, &i915->fragment_sampler_views[i]);
i915->num_fragment_sampler_views = num;
i915->dirty |= I915_NEW_SAMPLER_VIEW;
}
static void st_destroy_context_priv( struct st_context *st )
{
uint shader, i;
st_destroy_atoms( st );
st_destroy_draw( st );
st_destroy_generate_mipmap(st);
st_destroy_clear(st);
st_destroy_bitmap(st);
st_destroy_drawpix(st);
st_destroy_drawtex(st);
for (shader = 0; shader < Elements(st->state.sampler_views); shader++) {
for (i = 0; i < Elements(st->state.sampler_views[0]); i++) {
pipe_sampler_view_release(st->pipe,
&st->state.sampler_views[shader][i]);
}
}
if (st->default_texture) {
st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture);
st->default_texture = NULL;
}
u_upload_destroy(st->uploader);
if (st->indexbuf_uploader) {
u_upload_destroy(st->indexbuf_uploader);
}
if (st->constbuf_uploader) {
u_upload_destroy(st->constbuf_uploader);
}
free( st );
}
static void
llvmpipe_set_sampler_views(struct pipe_context *pipe,
unsigned shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
uint i;
assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= Elements(llvmpipe->sampler_views[shader]));
draw_flush(llvmpipe->draw);
/* set the new sampler views */
for (i = 0; i < num; i++) {
/* Note: we're using pipe_sampler_view_release() here to work around
* a possible crash when the old view belongs to another context that
* was already destroyed.
*/
pipe_sampler_view_release(pipe,
&llvmpipe->sampler_views[shader][start + i]);
/*
* Warn if someone tries to set a view created in a different context
* (which is why we need the hack above in the first place).
* An assert would be better but st/mesa relies on it...
*/
if (views[i] && views[i]->context != pipe) {
debug_printf("Illegal setting of sampler_view %d created in another "
"context\n", i);
}
pipe_sampler_view_reference(&llvmpipe->sampler_views[shader][start + i],
views[i]);
}
/* find highest non-null sampler_views[] entry */
{
unsigned j = MAX2(llvmpipe->num_sampler_views[shader], start + num);
while (j > 0 && llvmpipe->sampler_views[shader][j - 1] == NULL)
j--;
llvmpipe->num_sampler_views[shader] = j;
}
if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
draw_set_sampler_views(llvmpipe->draw,
shader,
llvmpipe->sampler_views[shader],
llvmpipe->num_sampler_views[shader]);
}
else {
llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW;
}
}
/**
* Release all sampler views attached to the given texture object, regardless
* of the context.
*/
void
st_texture_release_all_sampler_views(struct st_context *st,
struct st_texture_object *stObj)
{
GLuint i;
/* XXX This should use sampler_views[i]->pipe, not st->pipe */
for (i = 0; i < stObj->num_sampler_views; ++i)
pipe_sampler_view_release(st->pipe, &stObj->sampler_views[i]);
}
/** called via ctx->Driver.DeleteTextureObject() */
static void
st_DeleteTextureObject(struct gl_context *ctx,
struct gl_texture_object *texObj)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
if (stObj->pt)
pipe_resource_reference(&stObj->pt, NULL);
if (stObj->sampler_view) {
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
_mesa_delete_texture_object(ctx, texObj);
}
static void
llvmpipe_set_sampler_views(struct pipe_context *pipe,
unsigned shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
uint i;
assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= Elements(llvmpipe->sampler_views[shader]));
draw_flush(llvmpipe->draw);
/* set the new sampler views */
for (i = 0; i < num; i++) {
/* Note: we're using pipe_sampler_view_release() here to work around
* a possible crash when the old view belongs to another context that
* was already destroyed.
*/
pipe_sampler_view_release(pipe,
&llvmpipe->sampler_views[shader][start + i]);
pipe_sampler_view_reference(&llvmpipe->sampler_views[shader][start + i],
views[i]);
}
/* find highest non-null sampler_views[] entry */
{
unsigned j = MAX2(llvmpipe->num_sampler_views[shader], start + num);
while (j > 0 && llvmpipe->sampler_views[shader][j - 1] == NULL)
j--;
llvmpipe->num_sampler_views[shader] = j;
}
if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
draw_set_sampler_views(llvmpipe->draw,
shader,
llvmpipe->sampler_views[shader],
llvmpipe->num_sampler_views[shader]);
}
llvmpipe->dirty |= LP_NEW_SAMPLER_VIEW;
}
/**
* Called via ctx->Driver.AllocTextureImageBuffer().
* If the texture object/buffer already has space for the indicated image,
* we're done. Otherwise, allocate memory for the new texture image.
*/
static GLboolean
st_AllocTextureImageBuffer(struct gl_context *ctx,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
const GLuint level = texImage->Level;
GLuint width = texImage->Width;
GLuint height = texImage->Height;
GLuint depth = texImage->Depth;
DBG("%s\n", __FUNCTION__);
assert(!stImage->TexData);
assert(!stImage->pt); /* xxx this might be wrong */
/* Look if the parent texture object has space for this image */
if (stObj->pt &&
level <= stObj->pt->last_level &&
st_texture_match_image(stObj->pt, texImage)) {
/* this image will fit in the existing texture object's memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
return GL_TRUE;
}
/* The parent texture object does not have space for this image */
pipe_resource_reference(&stObj->pt, NULL);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
/* Probably out of memory.
* Try flushing any pending rendering, then retry.
*/
st_finish(st);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
if (stObj->pt &&
st_texture_match_image(stObj->pt, texImage)) {
/* The image will live in the object's mipmap memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
assert(stImage->pt);
return GL_TRUE;
}
else {
/* Create a new, temporary texture/resource/buffer to hold this
* one texture image. Note that when we later access this image
* (either for mapping or copying) we'll want to always specify
* mipmap level=0, even if the image represents some other mipmap
* level.
*/
enum pipe_format format =
st_mesa_format_to_pipe_format(texImage->TexFormat);
GLuint bindings = default_bindings(st, format);
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stImage->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
format,
0, /* lastLevel */
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
return stImage->pt != NULL;
}
}
/**
* Called during state validation. When this function is finished,
* the texture object should be ready for rendering.
* \return GL_TRUE for success, GL_FALSE for failure (out of mem)
*/
GLboolean
st_finalize_texture(struct gl_context *ctx,
struct pipe_context *pipe,
struct gl_texture_object *tObj)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(tObj);
const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
GLuint face;
struct st_texture_image *firstImage;
enum pipe_format firstImageFormat;
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
/* The texture is complete and we know exactly how many mipmap levels
* are present/needed. This is conditional because we may be called
* from the st_generate_mipmap() function when the texture object is
* incomplete. In that case, we'll have set stObj->lastLevel before
* we get here.
*/
if (stObj->base.Sampler.MinFilter == GL_LINEAR ||
stObj->base.Sampler.MinFilter == GL_NEAREST)
stObj->lastLevel = stObj->base.BaseLevel;
else
stObj->lastLevel = stObj->base._MaxLevel;
}
firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
assert(firstImage);
/* If both firstImage and stObj point to a texture which can contain
* all active images, favour firstImage. Note that because of the
* completeness requirement, we know that the image dimensions
* will match.
*/
if (firstImage->pt &&
firstImage->pt != stObj->pt &&
(!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
pipe_resource_reference(&stObj->pt, firstImage->pt);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
/* Find gallium format for the Mesa texture */
firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
/* Find size of level=0 Gallium mipmap image, plus number of texture layers */
{
GLuint width, height, depth;
if (!guess_base_level_size(stObj->base.Target,
firstImage->base.Width2,
firstImage->base.Height2,
firstImage->base.Depth2,
firstImage->base.Level,
&width, &height, &depth)) {
width = stObj->width0;
height = stObj->height0;
depth = stObj->depth0;
}
/* convert GL dims to Gallium dims */
st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
}
/* If we already have a gallium texture, check that it matches the texture
* object's format, target, size, num_levels, etc.
*/
if (stObj->pt) {
if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
!st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
stObj->pt->last_level < stObj->lastLevel ||
stObj->pt->width0 != ptWidth ||
stObj->pt->height0 != ptHeight ||
stObj->pt->depth0 != ptDepth ||
stObj->pt->array_size != ptLayers)
{
/* The gallium texture does not match the Mesa texture so delete the
* gallium texture now. We'll make a new one below.
*/
pipe_resource_reference(&stObj->pt, NULL);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
st->dirty.st |= ST_NEW_FRAMEBUFFER;
}
}
/* May need to create a new gallium texture:
*/
if (!stObj->pt) {
GLuint bindings = default_bindings(st, firstImageFormat);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
firstImageFormat,
stObj->lastLevel,
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
if (!stObj->pt) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
/* Pull in any images not in the object's texture:
*/
for (face = 0; face < nr_faces; face++) {
GLuint level;
for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
struct st_texture_image *stImage =
st_texture_image(stObj->base.Image[face][level]);
/* Need to import images in main memory or held in other textures.
*/
if (stImage && stObj->pt != stImage->pt) {
if (level == 0 ||
(stImage->base.Width == u_minify(stObj->width0, level) &&
stImage->base.Height == u_minify(stObj->height0, level) &&
stImage->base.Depth == u_minify(stObj->depth0, level))) {
/* src image fits expected dest mipmap level size */
copy_image_data_to_texture(st, stObj, level, stImage);
}
}
}
}
return GL_TRUE;
}
/**
* glGetTexImage() helper: decompress a compressed texture by rendering
* a textured quad. Store the results in the user's buffer.
*/
static void
decompress_with_blit(struct gl_context * ctx,
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct pipe_sampler_view *src_view;
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
struct pipe_surface *dst_surface;
struct pipe_resource *dst_texture;
struct pipe_transfer *tex_xfer;
unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
PIPE_BIND_TRANSFER_READ);
/* create temp / dest surface */
if (!util_create_rgba_surface(pipe, width, height, bind,
&dst_texture, &dst_surface)) {
_mesa_problem(ctx, "util_create_rgba_surface() failed "
"in decompress_with_blit()");
return;
}
/* Disable conditional rendering. */
if (st->render_condition) {
pipe->render_condition(pipe, NULL, 0);
}
/* Create sampler view that limits fetches to the source mipmap level */
{
struct pipe_sampler_view sv_temp;
u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format);
sv_temp.format = util_format_linear(sv_temp.format);
sv_temp.u.tex.first_level =
sv_temp.u.tex.last_level = texImage->Level;
src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp);
if (!src_view) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
return;
}
}
/* blit/render/decompress */
util_blit_pixels_tex(st->blit,
src_view, /* pipe_resource (src) */
0, 0, /* src x0, y0 */
width, height, /* src x1, y1 */
dst_surface, /* pipe_surface (dst) */
0, 0, /* dst x0, y0 */
width, height, /* dst x1, y1 */
0.0, /* z */
PIPE_TEX_MIPFILTER_NEAREST);
/* Restore conditional rendering state. */
if (st->render_condition) {
pipe->render_condition(pipe, st->render_condition,
st->condition_mode);
}
/* map the dst_surface so we can read from it */
tex_xfer = pipe_get_transfer(pipe,
dst_texture, 0, 0,
PIPE_TRANSFER_READ,
0, 0, width, height);
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
/* copy/pack data into user buffer */
if (_mesa_format_matches_format_and_type(stImage->base.TexFormat,
format, type,
ctx->Pack.SwapBytes)) {
/* memcpy */
const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
ubyte *map = pipe_transfer_map(pipe, tex_xfer);
GLuint row;
for (row = 0; row < height; row++) {
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
memcpy(dest, map, bytesPerRow);
map += tex_xfer->stride;
}
pipe_transfer_unmap(pipe, tex_xfer);
}
else {
/* format translation via floats */
GLuint row;
enum pipe_format pformat = util_format_linear(dst_texture->format);
GLfloat *rgba;
rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
goto end;
}
for (row = 0; row < height; row++) {
const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback format translation\n", __FUNCTION__);
/* get float[4] rgba row from surface */
pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
pformat, rgba);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
type, dest, &ctx->Pack, transferOps);
}
free(rgba);
}
end:
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
pipe->transfer_destroy(pipe, tex_xfer);
/* destroy the temp / dest surface */
util_destroy_rgba_surface(dst_texture, dst_surface);
pipe_sampler_view_release(pipe, &src_view);
}
/**
* Define a vgpu10 sampler state.
*/
static void
define_sampler_state_object(struct svga_context *svga,
struct svga_sampler_state *ss,
const struct pipe_sampler_state *ps)
{
uint8_t max_aniso = (uint8_t) 255; /* XXX fix me */
boolean anisotropic;
uint8 compare_func;
SVGA3dFilter filter;
SVGA3dRGBAFloat bcolor;
unsigned try;
float min_lod, max_lod;
assert(svga_have_vgpu10(svga));
anisotropic = ss->aniso_level > 1.0f;
filter = translate_filter_mode(ps->min_mip_filter,
ps->min_img_filter,
ps->mag_img_filter,
anisotropic,
ss->compare_mode);
compare_func = translate_comparison_func(ss->compare_func);
COPY_4V(bcolor.value, ps->border_color.f);
assert(ps->min_lod <= ps->max_lod);
if (ps->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
/* just use the base level image */
min_lod = max_lod = 0.0f;
}
else {
min_lod = ps->min_lod;
max_lod = ps->max_lod;
}
/* If shadow comparisons are enabled, create two sampler states: one
* with the given shadow compare mode, another with shadow comparison off.
* We need the later because in some cases, we have to do the shadow
* compare in the shader. So, we don't want to do it twice.
*/
STATIC_ASSERT(PIPE_TEX_COMPARE_NONE == 0);
STATIC_ASSERT(PIPE_TEX_COMPARE_R_TO_TEXTURE == 1);
ss->id[1] = SVGA3D_INVALID_ID;
unsigned i;
for (i = 0; i <= ss->compare_mode; i++) {
ss->id[i] = util_bitmask_add(svga->sampler_object_id_bm);
/* Loop in case command buffer is full and we need to flush and retry */
for (try = 0; try < 2; try++) {
enum pipe_error ret =
SVGA3D_vgpu10_DefineSamplerState(svga->swc,
ss->id[i],
filter,
ss->addressu,
ss->addressv,
ss->addressw,
ss->lod_bias, /* float */
max_aniso,
compare_func,
bcolor,
min_lod, /* float */
max_lod); /* float */
if (ret == PIPE_OK)
break;
svga_context_flush(svga, NULL);
}
/* turn off the shadow compare option for second iteration */
filter &= ~SVGA3D_FILTER_COMPARE;
}
}
static void *
svga_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
struct svga_context *svga = svga_context(pipe);
struct svga_sampler_state *cso = CALLOC_STRUCT( svga_sampler_state );
if (!cso)
return NULL;
cso->mipfilter = translate_mip_filter(sampler->min_mip_filter);
cso->magfilter = translate_img_filter( sampler->mag_img_filter );
cso->minfilter = translate_img_filter( sampler->min_img_filter );
cso->aniso_level = MAX2( sampler->max_anisotropy, 1 );
if (sampler->max_anisotropy)
cso->magfilter = cso->minfilter = SVGA3D_TEX_FILTER_ANISOTROPIC;
cso->lod_bias = sampler->lod_bias;
cso->addressu = translate_wrap_mode(sampler->wrap_s);
cso->addressv = translate_wrap_mode(sampler->wrap_t);
cso->addressw = translate_wrap_mode(sampler->wrap_r);
cso->normalized_coords = sampler->normalized_coords;
cso->compare_mode = sampler->compare_mode;
cso->compare_func = sampler->compare_func;
{
uint32 r = float_to_ubyte(sampler->border_color.f[0]);
uint32 g = float_to_ubyte(sampler->border_color.f[1]);
uint32 b = float_to_ubyte(sampler->border_color.f[2]);
uint32 a = float_to_ubyte(sampler->border_color.f[3]);
cso->bordercolor = (a << 24) | (r << 16) | (g << 8) | b;
}
/* No SVGA3D support for:
* - min/max LOD clamping
*/
cso->min_lod = 0;
cso->view_min_lod = MAX2((int) (sampler->min_lod + 0.5), 0);
cso->view_max_lod = MAX2((int) (sampler->max_lod + 0.5), 0);
/* Use min_mipmap */
if (svga->debug.use_min_mipmap) {
if (cso->view_min_lod == cso->view_max_lod) {
cso->min_lod = cso->view_min_lod;
cso->view_min_lod = 0;
cso->view_max_lod = 1000; /* Just a high number */
cso->mipfilter = SVGA3D_TEX_FILTER_NONE;
}
}
if (svga_have_vgpu10(svga)) {
define_sampler_state_object(svga, cso, sampler);
}
SVGA_DBG(DEBUG_SAMPLERS,
"New sampler: min %u, view(min %u, max %u) lod, mipfilter %s\n",
cso->min_lod, cso->view_min_lod, cso->view_max_lod,
cso->mipfilter == SVGA3D_TEX_FILTER_NONE ? "SVGA3D_TEX_FILTER_NONE" : "SOMETHING");
svga->hud.num_sampler_objects++;
SVGA_STATS_COUNT_INC(svga_screen(svga->pipe.screen)->sws,
SVGA_STATS_COUNT_SAMPLER);
return cso;
}
static void
svga_bind_sampler_states(struct pipe_context *pipe,
enum pipe_shader_type shader,
unsigned start,
unsigned num,
void **samplers)
{
struct svga_context *svga = svga_context(pipe);
unsigned i;
boolean any_change = FALSE;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= PIPE_MAX_SAMPLERS);
/* Pre-VGPU10 only supports FS textures */
if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT)
return;
for (i = 0; i < num; i++) {
if (svga->curr.sampler[shader][start + i] != samplers[i])
any_change = TRUE;
svga->curr.sampler[shader][start + i] = samplers[i];
}
if (!any_change) {
return;
}
/* find highest non-null sampler[] entry */
{
unsigned j = MAX2(svga->curr.num_samplers[shader], start + num);
while (j > 0 && svga->curr.sampler[shader][j - 1] == NULL)
j--;
svga->curr.num_samplers[shader] = j;
}
svga->dirty |= SVGA_NEW_SAMPLER;
}
static void
svga_delete_sampler_state(struct pipe_context *pipe, void *sampler)
{
struct svga_sampler_state *ss = (struct svga_sampler_state *) sampler;
struct svga_context *svga = svga_context(pipe);
if (svga_have_vgpu10(svga)) {
unsigned i;
for (i = 0; i < 2; i++) {
enum pipe_error ret;
if (ss->id[i] != SVGA3D_INVALID_ID) {
svga_hwtnl_flush_retry(svga);
ret = SVGA3D_vgpu10_DestroySamplerState(svga->swc, ss->id[i]);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_DestroySamplerState(svga->swc, ss->id[i]);
}
util_bitmask_clear(svga->sampler_object_id_bm, ss->id[i]);
}
}
}
FREE(sampler);
svga->hud.num_sampler_objects--;
}
static struct pipe_sampler_view *
svga_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *texture,
const struct pipe_sampler_view *templ)
{
struct svga_context *svga = svga_context(pipe);
struct svga_pipe_sampler_view *sv = CALLOC_STRUCT(svga_pipe_sampler_view);
if (!sv) {
return NULL;
}
sv->base = *templ;
sv->base.reference.count = 1;
sv->base.texture = NULL;
pipe_resource_reference(&sv->base.texture, texture);
sv->base.context = pipe;
sv->id = SVGA3D_INVALID_ID;
svga->hud.num_samplerview_objects++;
SVGA_STATS_COUNT_INC(svga_screen(svga->pipe.screen)->sws,
SVGA_STATS_COUNT_SAMPLERVIEW);
return &sv->base;
}
static void
svga_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
{
struct svga_context *svga = svga_context(pipe);
struct svga_pipe_sampler_view *sv = svga_pipe_sampler_view(view);
if (svga_have_vgpu10(svga) && sv->id != SVGA3D_INVALID_ID) {
if (view->context != pipe) {
/* The SVGA3D device will generate an error (and on Linux, cause
* us to abort) if we try to destroy a shader resource view from
* a context other than the one it was created with. Skip the
* SVGA3D_vgpu10_DestroyShaderResourceView() and leak the sampler
* view for now. This should only sometimes happen when a shared
* texture is deleted.
*/
_debug_printf("context mismatch in %s\n", __func__);
}
else {
enum pipe_error ret;
svga_hwtnl_flush_retry(svga); /* XXX is this needed? */
ret = SVGA3D_vgpu10_DestroyShaderResourceView(svga->swc, sv->id);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_DestroyShaderResourceView(svga->swc, sv->id);
}
util_bitmask_clear(svga->sampler_view_id_bm, sv->id);
}
}
pipe_resource_reference(&sv->base.texture, NULL);
FREE(sv);
svga->hud.num_samplerview_objects--;
}
static void
svga_set_sampler_views(struct pipe_context *pipe,
enum pipe_shader_type shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct svga_context *svga = svga_context(pipe);
unsigned flag_1d = 0;
unsigned flag_srgb = 0;
uint i;
boolean any_change = FALSE;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= ARRAY_SIZE(svga->curr.sampler_views[shader]));
/* Pre-VGPU10 only supports FS textures */
if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT)
return;
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SETSAMPLERVIEWS);
/* This bit of code works around a quirk in the CSO module.
* If start=num=0 it means all sampler views should be released.
* Note that the CSO module treats sampler views for fragment shaders
* differently than other shader types.
*/
if (start == 0 && num == 0 && svga->curr.num_sampler_views[shader] > 0) {
for (i = 0; i < svga->curr.num_sampler_views[shader]; i++) {
pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][i]);
}
any_change = TRUE;
}
for (i = 0; i < num; i++) {
enum pipe_texture_target target;
if (svga->curr.sampler_views[shader][start + i] != views[i]) {
/* Note: we're using pipe_sampler_view_release() here to work around
* a possible crash when the old view belongs to another context that
* was already destroyed.
*/
pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][start + i]);
pipe_sampler_view_reference(&svga->curr.sampler_views[shader][start + i],
views[i]);
any_change = TRUE;
}
if (!views[i])
continue;
if (util_format_is_srgb(views[i]->format))
flag_srgb |= 1 << (start + i);
target = views[i]->target;
if (target == PIPE_TEXTURE_1D) {
flag_1d |= 1 << (start + i);
} else if (target == PIPE_TEXTURE_RECT) {
/* If the size of the bound texture changes, we need to emit new
* const buffer values.
*/
svga->dirty |= SVGA_NEW_TEXTURE_CONSTS;
} else if (target == PIPE_BUFFER) {
/* If the size of the bound buffer changes, we need to emit new
* const buffer values.
*/
svga->dirty |= SVGA_NEW_TEXTURE_CONSTS;
}
}
if (!any_change) {
goto done;
}
/* find highest non-null sampler_views[] entry */
{
unsigned j = MAX2(svga->curr.num_sampler_views[shader], start + num);
while (j > 0 && svga->curr.sampler_views[shader][j - 1] == NULL)
j--;
svga->curr.num_sampler_views[shader] = j;
}
svga->dirty |= SVGA_NEW_TEXTURE_BINDING;
if (flag_srgb != svga->curr.tex_flags.flag_srgb ||
flag_1d != svga->curr.tex_flags.flag_1d) {
svga->dirty |= SVGA_NEW_TEXTURE_FLAGS;
svga->curr.tex_flags.flag_1d = flag_1d;
svga->curr.tex_flags.flag_srgb = flag_srgb;
}
/* Check if any of the sampler view resources collide with the framebuffer
* color buffers or depth stencil resource. If so, set the NEW_FRAME_BUFFER
* dirty bit so that emit_framebuffer can be invoked to create backed view
* for the conflicted surface view.
*/
if (svga_check_sampler_framebuffer_resource_collision(svga, shader)) {
svga->dirty |= SVGA_NEW_FRAME_BUFFER;
}
done:
SVGA_STATS_TIME_POP(svga_sws(svga));
}
/**
* Clean up sampler, sampler view state at context destruction time
*/
void
svga_cleanup_sampler_state(struct svga_context *svga)
{
enum pipe_shader_type shader;
for (shader = 0; shader <= PIPE_SHADER_GEOMETRY; shader++) {
unsigned i;
for (i = 0; i < svga->state.hw_draw.num_sampler_views[shader]; i++) {
pipe_sampler_view_release(&svga->pipe,
&svga->state.hw_draw.sampler_views[shader][i]);
}
}
/* free polygon stipple state */
if (svga->polygon_stipple.sampler) {
svga->pipe.delete_sampler_state(&svga->pipe, svga->polygon_stipple.sampler);
}
if (svga->polygon_stipple.sampler_view) {
svga->pipe.sampler_view_destroy(&svga->pipe,
&svga->polygon_stipple.sampler_view->base);
}
pipe_resource_reference(&svga->polygon_stipple.texture, NULL);
}
void
svga_init_sampler_functions( struct svga_context *svga )
{
svga->pipe.create_sampler_state = svga_create_sampler_state;
svga->pipe.bind_sampler_states = svga_bind_sampler_states;
svga->pipe.delete_sampler_state = svga_delete_sampler_state;
svga->pipe.set_sampler_views = svga_set_sampler_views;
svga->pipe.create_sampler_view = svga_create_sampler_view;
svga->pipe.sampler_view_destroy = svga_sampler_view_destroy;
}
