* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
-#include "state_tracker/st_api.h"
+#include "state_tracker/st_gl_api.h"
#include "pipe/p_context.h"
#include "pipe/p_screen.h"
#include "util/u_pointer.h"
#include "util/u_inlines.h"
#include "util/u_atomic.h"
+#include "util/u_surface.h"
#include "main/mtypes.h"
#include "main/context.h"
+#include "main/mfeatures.h"
#include "main/texobj.h"
#include "main/teximage.h"
#include "main/texstate.h"
-#include "main/texfetch.h"
-#include "main/fbobject.h"
#include "main/framebuffer.h"
+#include "main/fbobject.h"
#include "main/renderbuffer.h"
+#include "main/version.h"
#include "st_texture.h"
#include "st_context.h"
#include "st_format.h"
#include "st_cb_fbo.h"
+#include "st_cb_flush.h"
#include "st_manager.h"
-/* these functions are defined in st_context.c */
-struct st_context *
-st_create_context(struct pipe_context *pipe,
- const __GLcontextModes *visual,
- struct st_context *share);
-void st_destroy_context(struct st_context *st);
-void st_flush(struct st_context *st, uint pipeFlushFlags,
- struct pipe_fence_handle **fence);
+/**
+ * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer.
+ * Return NULL if the struct gl_framebuffer is a user-created framebuffer.
+ * We'll only return non-null for window system framebuffers.
+ * Note that this function may fail.
+ */
+static INLINE struct st_framebuffer *
+st_ws_framebuffer(struct gl_framebuffer *fb)
+{
+ /* FBO cannot be casted. See st_new_framebuffer */
+ return (struct st_framebuffer *) ((fb && !fb->Name) ? fb : NULL);
+}
/**
* Map an attachment to a buffer index.
}
/**
- * Validate a framebuffer and update the states of the context.
+ * Validate a framebuffer to make sure up-to-date pipe_textures are used.
*/
static void
st_framebuffer_validate(struct st_framebuffer *stfb, struct st_context *st)
{
- struct pipe_screen *screen = st->pipe->screen;
- struct pipe_texture *textures[ST_ATTACHMENT_COUNT];
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
uint width, height;
unsigned i;
boolean changed = FALSE;
for (i = 0; i < stfb->num_statts; i++) {
struct st_renderbuffer *strb;
- struct pipe_surface *ps;
+ struct pipe_surface *ps, surf_tmpl;
gl_buffer_index idx;
if (!textures[i])
idx = attachment_to_buffer_index(stfb->statts[i]);
if (idx >= BUFFER_COUNT) {
- pipe_texture_reference(&textures[i], NULL);
+ pipe_resource_reference(&textures[i], NULL);
continue;
}
strb = st_renderbuffer(stfb->Base.Attachment[idx].Renderbuffer);
assert(strb);
if (strb->texture == textures[i]) {
- pipe_texture_reference(&textures[i], NULL);
+ pipe_resource_reference(&textures[i], NULL);
continue;
}
- ps = screen->get_tex_surface(screen, textures[i], 0, 0, 0,
- PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE);
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ u_surface_default_template(&surf_tmpl, textures[i],
+ PIPE_BIND_RENDER_TARGET);
+ ps = pipe->create_surface(pipe, textures[i], &surf_tmpl);
if (ps) {
pipe_surface_reference(&strb->surface, ps);
- pipe_texture_reference(&strb->texture, ps->texture);
+ pipe_resource_reference(&strb->texture, ps->texture);
/* ownership transfered */
pipe_surface_reference(&ps, NULL);
height = strb->Base.Height;
}
- pipe_texture_reference(&textures[i], NULL);
+ pipe_resource_reference(&textures[i], NULL);
}
if (changed) {
}
/**
- * Update the attachments to validate.
+ * Update the attachments to validate by looping the existing renderbuffers.
*/
static void
st_framebuffer_update_attachments(struct st_framebuffer *stfb)
st_visual_have_buffers(stfb->iface->visual, 1 << statt))
stfb->statts[stfb->num_statts++] = statt;
}
+
+ p_atomic_set(&stfb->revalidate, TRUE);
}
/**
int samples;
boolean sw;
+ if (!stfb->iface)
+ return FALSE;
+
/* do not distinguish depth/stencil buffers */
if (idx == BUFFER_STENCIL)
idx = BUFFER_DEPTH;
if (!rb)
return FALSE;
- _mesa_add_renderbuffer(&stfb->Base, idx, rb);
- if (idx == BUFFER_DEPTH)
- _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, rb);
+ if (idx != BUFFER_DEPTH) {
+ _mesa_add_renderbuffer(&stfb->Base, idx, rb);
+ }
+ else {
+ if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0))
+ _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, rb);
+ if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1))
+ _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, rb);
+ }
return TRUE;
}
/**
- * Intialize a __GLcontextModes from a visual.
+ * Intialize a struct gl_config from a visual.
*/
static void
st_visual_to_context_mode(const struct st_visual *visual,
- __GLcontextModes *mode)
+ struct gl_config *mode)
{
memset(mode, 0, sizeof(*mode));
}
if (visual->depth_stencil_format != PIPE_FORMAT_NONE) {
- mode->haveDepthBuffer = GL_TRUE;
- mode->haveStencilBuffer = GL_TRUE;
-
mode->depthBits =
util_format_get_component_bits(visual->depth_stencil_format,
UTIL_FORMAT_COLORSPACE_ZS, 0);
mode->stencilBits =
util_format_get_component_bits(visual->depth_stencil_format,
UTIL_FORMAT_COLORSPACE_ZS, 1);
+
+ mode->haveDepthBuffer = mode->depthBits > 0;
+ mode->haveStencilBuffer = mode->stencilBits > 0;
}
if (visual->accum_format != PIPE_FORMAT_NONE) {
st_framebuffer_create(struct st_framebuffer_iface *stfbi)
{
struct st_framebuffer *stfb;
- __GLcontextModes mode;
+ struct gl_config mode;
gl_buffer_index idx;
+ if (!stfbi)
+ return NULL;
+
stfb = CALLOC_STRUCT(st_framebuffer);
if (!stfb)
return NULL;
st_framebuffer_update_attachments(stfb);
- p_atomic_set(&stfb->revalidate, TRUE);
stfb->Base.Initialized = GL_TRUE;
return stfb;
st_framebuffer_reference(struct st_framebuffer **ptr,
struct st_framebuffer *stfb)
{
- GLframebuffer *fb = &stfb->Base;
- _mesa_reference_framebuffer((GLframebuffer **) ptr, fb);
+ struct gl_framebuffer *fb = &stfb->Base;
+ _mesa_reference_framebuffer((struct gl_framebuffer **) ptr, fb);
}
static void
struct st_framebuffer *stfb;
/* either draw or read winsys fb */
- stfb = (struct st_framebuffer *) st->ctx->WinSysDrawBuffer;
+ stfb = st_ws_framebuffer(st->ctx->WinSysDrawBuffer);
if (!stfb || stfb->iface != stfbi)
- stfb = (struct st_framebuffer *) st->ctx->WinSysReadBuffer;
- assert(stfb && stfb->iface == stfbi);
+ stfb = st_ws_framebuffer(st->ctx->WinSysReadBuffer);
- p_atomic_set(&stfb->revalidate, TRUE);
+ if (stfb && stfb->iface == stfbi) {
+ p_atomic_set(&stfb->revalidate, TRUE);
+ }
+ else {
+ /* This function is probably getting called when we've detected a
+ * change in a window's size but the currently bound context is
+ * not bound to that window.
+ * If the st_framebuffer_iface structure had a pointer to the
+ * corresponding st_framebuffer we'd be able to handle this.
+ */
+ }
}
static void
struct pipe_fence_handle **fence)
{
struct st_context *st = (struct st_context *) stctxi;
- st_flush(st, flags, fence);
- if (flags & PIPE_FLUSH_RENDER_CACHE)
+ st_flush(st, fence);
+ if (flags & ST_FLUSH_FRONT)
st_manager_flush_frontbuffer(st);
}
static boolean
-st_context_teximage(struct st_context_iface *stctxi, enum st_texture_type target,
+st_context_teximage(struct st_context_iface *stctxi,
+ enum st_texture_type target,
int level, enum pipe_format internal_format,
- struct pipe_texture *tex, boolean mipmap)
+ struct pipe_resource *tex, boolean mipmap)
{
struct st_context *st = (struct st_context *) stctxi;
- GLcontext *ctx = st->ctx;
+ struct gl_context *ctx = st->ctx;
struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
+ GLuint width, height, depth;
switch (target) {
case ST_TEXTURE_1D:
break;
}
- if (util_format_get_component_bits(internal_format,
- UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
- internalFormat = GL_RGBA;
- else
- internalFormat = GL_RGB;
-
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
stImage = st_texture_image(texImage);
if (tex) {
+ gl_format texFormat;
+
+ /*
+ * XXX When internal_format and tex->format differ, st_finalize_texture
+ * needs to allocate a new texture with internal_format and copy the
+ * texture here into the new one. It will result in surface_copy being
+ * called on surfaces whose formats differ.
+ *
+ * To avoid that, internal_format is (wrongly) ignored here. A sane fix
+ * is to use a sampler view.
+ */
+ if (!st_sampler_compat_formats(tex->format, internal_format))
+ internal_format = tex->format;
+
+ if (util_format_get_component_bits(internal_format,
+ UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
+ internalFormat = GL_RGBA;
+ else
+ internalFormat = GL_RGB;
+
+ texFormat = st_ChooseTextureFormat(ctx, internalFormat,
+ GL_RGBA, GL_UNSIGNED_BYTE);
+
_mesa_init_teximage_fields(ctx, target, texImage,
- tex->width0, tex->height0, 1, 0, internalFormat);
- texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat,
- GL_RGBA, GL_UNSIGNED_BYTE);
- _mesa_set_fetch_functions(texImage, 2);
+ tex->width0, tex->height0, 1, 0,
+ internalFormat, texFormat);
+
+ width = tex->width0;
+ height = tex->height0;
+ depth = tex->depth0;
+
+ /* grow the image size until we hit level = 0 */
+ while (level > 0) {
+ if (width != 1)
+ width <<= 1;
+ if (height != 1)
+ height <<= 1;
+ if (depth != 1)
+ depth <<= 1;
+ level--;
+ }
}
else {
_mesa_clear_texture_image(ctx, texImage);
+ width = height = depth = 0;
}
- pipe_texture_reference(&stImage->pt, tex);
+ pipe_resource_reference(&stImage->pt, tex);
+ stObj->width0 = width;
+ stObj->height0 = height;
+ stObj->depth0 = depth;
_mesa_dirty_texobj(ctx, texObj, GL_TRUE);
_mesa_unlock_texture(ctx, texObj);
return TRUE;
}
+static void
+st_context_copy(struct st_context_iface *stctxi,
+ struct st_context_iface *stsrci, unsigned mask)
+{
+ struct st_context *st = (struct st_context *) stctxi;
+ struct st_context *src = (struct st_context *) stsrci;
+
+ _mesa_copy_context(src->ctx, st->ctx, mask);
+}
+
+static boolean
+st_context_share(struct st_context_iface *stctxi,
+ struct st_context_iface *stsrci)
+{
+ struct st_context *st = (struct st_context *) stctxi;
+ struct st_context *src = (struct st_context *) stsrci;
+
+ return _mesa_share_state(st->ctx, src->ctx);
+}
+
static void
st_context_destroy(struct st_context_iface *stctxi)
{
static struct st_context_iface *
st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
- const struct st_visual *visual,
+ const struct st_context_attribs *attribs,
struct st_context_iface *shared_stctxi)
{
struct st_context *shared_ctx = (struct st_context *) shared_stctxi;
struct st_context *st;
struct pipe_context *pipe;
- __GLcontextModes mode;
+ struct gl_config mode;
+ gl_api api;
+
+ if (!(stapi->profile_mask & (1 << attribs->profile)))
+ return NULL;
+
+ switch (attribs->profile) {
+ case ST_PROFILE_DEFAULT:
+ api = API_OPENGL;
+ break;
+ case ST_PROFILE_OPENGL_ES1:
+ api = API_OPENGLES;
+ break;
+ case ST_PROFILE_OPENGL_ES2:
+ api = API_OPENGLES2;
+ break;
+ case ST_PROFILE_OPENGL_CORE:
+ default:
+ return NULL;
+ break;
+ }
pipe = smapi->screen->context_create(smapi->screen, NULL);
if (!pipe)
return NULL;
- st_visual_to_context_mode(visual, &mode);
- st = st_create_context(pipe, &mode, shared_ctx);
+ st_visual_to_context_mode(&attribs->visual, &mode);
+ st = st_create_context(api, pipe, &mode, shared_ctx);
if (!st) {
pipe->destroy(pipe);
return NULL;
}
- st->iface.destroy = st_context_destroy;
+ /* need to perform version check */
+ if (attribs->major > 1 || attribs->minor > 0) {
+ _mesa_compute_version(st->ctx);
+
+ /* is the actual version less than the requested version? */
+ if (st->ctx->VersionMajor * 10 + st->ctx->VersionMinor <
+ attribs->major * 10 + attribs->minor) {
+ st_destroy_context(st);
+ return NULL;
+ }
+ }
+
+ st->invalidate_on_gl_viewport =
+ smapi->get_param(smapi, ST_MANAGER_BROKEN_INVALIDATE);
+ st->iface.destroy = st_context_destroy;
st->iface.notify_invalid_framebuffer =
st_context_notify_invalid_framebuffer;
st->iface.flush = st_context_flush;
-
st->iface.teximage = st_context_teximage;
- st->iface.copy = NULL;
-
+ st->iface.copy = st_context_copy;
+ st->iface.share = st_context_share;
st->iface.st_context_private = (void *) smapi;
return &st->iface;
if (st) {
/* reuse/create the draw fb */
- stfb = (struct st_framebuffer * ) st->ctx->DrawBuffer;
+ stfb = st_ws_framebuffer(st->ctx->WinSysDrawBuffer);
if (stfb && stfb->iface == stdrawi) {
stdraw = NULL;
st_framebuffer_reference(&stdraw, stfb);
}
/* reuse/create the read fb */
- stfb = (struct st_framebuffer * ) st->ctx->ReadBuffer;
+ stfb = st_ws_framebuffer(st->ctx->WinSysReadBuffer);
if (!stfb || stfb->iface != streadi)
stfb = stdraw;
if (stfb && stfb->iface == streadi) {
st_framebuffer_validate(stread, st);
/* modify the draw/read buffers of the context */
- st_visual_to_default_buffer(stdraw->iface->visual,
- &st->ctx->Color.DrawBuffer[0], NULL);
- st_visual_to_default_buffer(stread->iface->visual,
- &st->ctx->Pixel.ReadBuffer, NULL);
+ if (stdraw->iface) {
+ st_visual_to_default_buffer(stdraw->iface->visual,
+ &st->ctx->Color.DrawBuffer[0], NULL);
+ }
+ if (stread->iface) {
+ st_visual_to_default_buffer(stread->iface->visual,
+ &st->ctx->Pixel.ReadBuffer, NULL);
+ }
ret = _mesa_make_current(st->ctx, &stdraw->Base, &stread->Base);
}
else {
- ret = FALSE;
+ struct gl_framebuffer *incomplete = _mesa_get_incomplete_framebuffer();
+ ret = _mesa_make_current(st->ctx, incomplete, incomplete);
}
st_framebuffer_reference(&stdraw, NULL);
return (st) ? &st->iface : NULL;
}
-static boolean
-st_api_is_visual_supported(struct st_api *stapi,
- const struct st_visual *visual)
-{
- return TRUE;
-}
-
static st_proc_t
st_api_get_proc_address(struct st_api *stapi, const char *procname)
{
static void
st_api_destroy(struct st_api *stapi)
{
- FREE(stapi);
}
/**
void
st_manager_flush_frontbuffer(struct st_context *st)
{
- struct st_framebuffer *stfb = (struct st_framebuffer *) st->ctx->DrawBuffer;
+ struct st_framebuffer *stfb = st_ws_framebuffer(st->ctx->DrawBuffer);
struct st_renderbuffer *strb = NULL;
if (stfb)
if (!strb)
return;
- /* st_public.h or FBO */
- if (!stfb->iface) {
- struct pipe_surface *front_surf = strb->surface;
- st->pipe->screen->flush_frontbuffer(st->pipe->screen,
- front_surf, st->winsys_drawable_handle);
- return;
- }
-
+ /* never a dummy fb */
+ assert(stfb->iface);
stfb->iface->flush_front(stfb->iface, ST_ATTACHMENT_FRONT_LEFT);
}
/**
- * Re-validate the framebuffer.
+ * Return the surface of an EGLImage.
+ * FIXME: I think this should operate on resources, not surfaces
*/
-void
-st_manager_validate_framebuffers(struct st_context *st)
+struct pipe_surface *
+st_manager_get_egl_image_surface(struct st_context *st,
+ void *eglimg, unsigned usage)
{
- struct st_framebuffer *stdraw, *stread;
+ struct st_manager *smapi =
+ (struct st_manager *) st->iface.st_context_private;
+ struct st_egl_image stimg;
+ struct pipe_surface *ps, surf_tmpl;
- stdraw = (struct st_framebuffer *) st->ctx->DrawBuffer;
- stread = (struct st_framebuffer *) st->ctx->ReadBuffer;
+ if (!smapi || !smapi->get_egl_image)
+ return NULL;
- /* st_public.h or FBO */
- if ((stdraw && !stdraw->iface) || (stread && !stread->iface)) {
- struct pipe_screen *screen = st->pipe->screen;
- if (screen->update_buffer)
- screen->update_buffer(screen, st->pipe->priv);
- return;
- }
+ memset(&stimg, 0, sizeof(stimg));
+ if (!smapi->get_egl_image(smapi, eglimg, &stimg))
+ return NULL;
+
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ surf_tmpl.format = stimg.texture->format;
+ surf_tmpl.usage = usage;
+ surf_tmpl.u.tex.level = stimg.level;
+ surf_tmpl.u.tex.first_layer = stimg.layer;
+ surf_tmpl.u.tex.last_layer = stimg.layer;
+ ps = st->pipe->create_surface(st->pipe, stimg.texture, &surf_tmpl);
+ pipe_resource_reference(&stimg.texture, NULL);
+
+ return ps;
+}
+
+/**
+ * Re-validate the framebuffers.
+ */
+void
+st_manager_validate_framebuffers(struct st_context *st)
+{
+ struct st_framebuffer *stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
+ struct st_framebuffer *stread = st_ws_framebuffer(st->ctx->ReadBuffer);
if (stdraw)
st_framebuffer_validate(stdraw, st);
}
/**
- * Add a color buffer on demand.
+ * Add a color renderbuffer on demand.
*/
boolean
-st_manager_add_color_renderbuffer(struct st_context *st, GLframebuffer *fb,
+st_manager_add_color_renderbuffer(struct st_context *st,
+ struct gl_framebuffer *fb,
gl_buffer_index idx)
{
- struct st_framebuffer *stfb = (struct st_framebuffer *) fb;
+ struct st_framebuffer *stfb = st_ws_framebuffer(fb);
+
+ /* FBO */
+ if (!stfb)
+ return FALSE;
if (stfb->Base.Attachment[idx].Renderbuffer)
return TRUE;
- /* st_public.h or FBO */
- if (!stfb->iface)
- return FALSE;
-
switch (idx) {
case BUFFER_FRONT_LEFT:
case BUFFER_BACK_LEFT:
return TRUE;
}
+static const struct st_api st_gl_api = {
+ "Mesa " MESA_VERSION_STRING,
+ ST_API_OPENGL,
+#if FEATURE_GL
+ ST_PROFILE_DEFAULT_MASK |
+#endif
+#if FEATURE_ES1
+ ST_PROFILE_OPENGL_ES1_MASK |
+#endif
+#if FEATURE_ES2
+ ST_PROFILE_OPENGL_ES2_MASK |
+#endif
+ 0,
+ st_api_destroy,
+ st_api_get_proc_address,
+ st_api_create_context,
+ st_api_make_current,
+ st_api_get_current,
+};
+
struct st_api *
-st_manager_create_api(void)
+st_gl_api_create(void)
{
- struct st_api *stapi;
-
- stapi = CALLOC_STRUCT(st_api);
- if (stapi) {
- stapi->destroy = st_api_destroy;
- stapi->get_proc_address = st_api_get_proc_address;
- stapi->is_visual_supported = st_api_is_visual_supported;
-
- stapi->create_context = st_api_create_context;
- stapi->make_current = st_api_make_current;
- stapi->get_current = st_api_get_current;
- }
-
- return stapi;
+ return (struct st_api *) &st_gl_api;
}