/*
* Mesa 3-D graphics library
- * Version: 7.9
*
* Copyright (C) 2010 LunarG Inc.
*
* Chia-I Wu <olv@lunarg.com>
*/
+#include "main/errors.h"
#include "main/texobj.h"
-#include "main/texfetch.h"
#include "main/teximage.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "st_cb_eglimage.h"
#include "st_cb_fbo.h"
+#include "st_context.h"
#include "st_texture.h"
#include "st_format.h"
#include "st_manager.h"
+#include "st_sampler_view.h"
+#include "util/u_surface.h"
-#if FEATURE_OES_EGL_image
+static bool
+is_format_supported(struct pipe_screen *screen, enum pipe_format format,
+ unsigned nr_samples, unsigned usage)
+{
+ bool supported = screen->is_format_supported(screen, format, PIPE_TEXTURE_2D,
+ nr_samples, usage);
+
+ /* for sampling, some formats can be emulated.. it doesn't matter that
+ * the surface will have a format that the driver can't cope with because
+ * we'll give it sampler view formats that it can deal with and generate
+ * a shader variant that converts.
+ */
+ if ((usage == PIPE_BIND_SAMPLER_VIEW) && !supported) {
+ if (format == PIPE_FORMAT_IYUV) {
+ supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
+ PIPE_TEXTURE_2D, nr_samples,
+ usage);
+ } else if (format == PIPE_FORMAT_NV12) {
+ supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
+ PIPE_TEXTURE_2D, nr_samples,
+ usage) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,
+ PIPE_TEXTURE_2D, nr_samples,
+ usage);
+ }
+ }
+
+ return supported;
+}
+
+/**
+ * Return the surface of an EGLImage.
+ * FIXME: I think this should operate on resources, not surfaces
+ */
+static struct pipe_surface *
+st_egl_image_get_surface(struct gl_context *ctx, GLeglImageOES image_handle,
+ unsigned usage, const char *error)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_screen *screen = st->pipe->screen;
+ struct st_manager *smapi =
+ (struct st_manager *) st->iface.st_context_private;
+ struct st_egl_image stimg;
+ struct pipe_surface *ps, surf_tmpl;
+
+ if (!smapi || !smapi->get_egl_image)
+ return NULL;
+
+ memset(&stimg, 0, sizeof(stimg));
+ if (!smapi->get_egl_image(smapi, (void *) image_handle, &stimg)) {
+ /* image_handle does not refer to a valid EGL image object */
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(image handle not found)", error);
+ return NULL;
+ }
+
+ if (!is_format_supported(screen, stimg.format, stimg.texture->nr_samples, usage)) {
+ /* unable to specify a texture object using the specified EGL image */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format not supported)", error);
+ return NULL;
+ }
+
+ u_surface_default_template(&surf_tmpl, stimg.texture);
+ surf_tmpl.format = stimg.format;
+ 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;
+}
/**
* Return the base format just like _mesa_base_fbo_format does.
base_format = GL_DEPTH_STENCIL;
}
else {
- if (format == PIPE_FORMAT_S8_USCALED)
+ if (format == PIPE_FORMAT_S8_UINT)
base_format = GL_STENCIL_INDEX;
else
base_format = GL_DEPTH_COMPONENT;
}
static void
-st_egl_image_target_renderbuffer_storage(GLcontext *ctx,
+st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
struct gl_renderbuffer *rb,
GLeglImageOES image_handle)
{
- struct st_context *st = ctx->st;
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct pipe_surface *ps;
- unsigned usage;
- usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_BLIT_SOURCE | PIPE_BIND_BLIT_DESTINATION;
- ps = st_manager_get_egl_image_surface(st, (void *) image_handle, usage);
+ ps = st_egl_image_get_surface(ctx, image_handle, PIPE_BIND_RENDER_TARGET,
+ "glEGLImageTargetRenderbufferStorage");
if (ps) {
strb->Base.Width = ps->width;
strb->Base.Height = ps->height;
strb->Base.Format = st_pipe_format_to_mesa_format(ps->format);
- strb->Base.DataType = st_format_datatype(ps->format);
strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format);
strb->Base.InternalFormat = strb->Base._BaseFormat;
- pipe_surface_reference(&strb->surface, ps);
+ struct pipe_surface **psurf =
+ util_format_is_srgb(ps->format) ? &strb->surface_srgb :
+ &strb->surface_linear;
+
+ pipe_surface_reference(psurf, ps);
+ strb->surface = *psurf;
pipe_resource_reference(&strb->texture, ps->texture);
pipe_surface_reference(&ps, NULL);
}
static void
-st_bind_surface(GLcontext *ctx, GLenum target,
+st_bind_surface(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
struct pipe_surface *ps)
{
+ struct st_context *st = st_context(ctx);
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
+ mesa_format texFormat;
/* map pipe format to base format */
if (util_format_get_component_bits(ps->format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
stObj->surface_based = GL_TRUE;
}
- _mesa_init_teximage_fields(ctx, target, texImage,
- ps->width, ps->height, 1, 0, internalFormat);
- texImage->TexFormat = st_pipe_format_to_mesa_format(ps->format);
- _mesa_set_fetch_functions(texImage, 2);
+ texFormat = st_pipe_format_to_mesa_format(ps->format);
+
+ /* TODO RequiredTextureImageUnits should probably be reset back
+ * to 1 somewhere if different texture is bound??
+ */
+ if (texFormat == MESA_FORMAT_NONE) {
+ switch (ps->format) {
+ case PIPE_FORMAT_NV12:
+ texFormat = MESA_FORMAT_R_UNORM8;
+ texObj->RequiredTextureImageUnits = 2;
+ break;
+ case PIPE_FORMAT_IYUV:
+ texFormat = MESA_FORMAT_R_UNORM8;
+ texObj->RequiredTextureImageUnits = 3;
+ break;
+ default:
+ unreachable("bad YUV format!");
+ }
+ }
+
+ _mesa_init_teximage_fields(ctx, texImage,
+ ps->width, ps->height, 1, 0, internalFormat,
+ texFormat);
/* FIXME create a non-default sampler view from the pipe_surface? */
- pipe_resource_reference(&stImage->pt, ps->texture);
+ pipe_resource_reference(&stObj->pt, ps->texture);
+ st_texture_release_all_sampler_views(st, stObj);
+ pipe_resource_reference(&stImage->pt, stObj->pt);
- _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
+ stObj->surface_format = ps->format;
+
+ _mesa_dirty_texobj(ctx, texObj);
}
static void
-st_egl_image_target_texture_2d(GLcontext *ctx, GLenum target,
+st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
GLeglImageOES image_handle)
{
- struct st_context *st = ctx->st;
struct pipe_surface *ps;
- unsigned usage;
- usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_BLIT_DESTINATION | PIPE_BIND_BLIT_SOURCE;
- ps = st_manager_get_egl_image_surface(st, (void *) image_handle, usage);
+ ps = st_egl_image_get_surface(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
+ "glEGLImageTargetTexture2D");
if (ps) {
st_bind_surface(ctx, target, texObj, texImage, ps);
pipe_surface_reference(&ps, NULL);
functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d;
functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage;
}
-
-#endif /* FEATURE_OES_EGL_image */
projects / mesa.git / blobdiff