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-rw-r--r--mesalib/src/mesa/main/vdpau.c424
1 files changed, 424 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/vdpau.c b/mesalib/src/mesa/main/vdpau.c
new file mode 100644
index 000000000..e21a26b43
--- /dev/null
+++ b/mesalib/src/mesa/main/vdpau.c
@@ -0,0 +1,424 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) 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, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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:
+ * Christian König <christian.koenig@amd.com>
+ *
+ */
+
+#include <stdbool.h>
+#include "context.h"
+#include "glformats.h"
+#include "hash_table.h"
+#include "set.h"
+#include "texobj.h"
+#include "teximage.h"
+#include "vdpau.h"
+
+#define MAX_TEXTURES 4
+
+struct vdp_surface
+{
+ GLenum target;
+ struct gl_texture_object *textures[MAX_TEXTURES];
+ GLenum access, state;
+ GLboolean output;
+ const GLvoid *vdpSurface;
+};
+
+void GLAPIENTRY
+_mesa_VDPAUInitNV(const GLvoid *vdpDevice, const GLvoid *getProcAddress)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!vdpDevice) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "vdpDevice");
+ return;
+ }
+
+ if (!getProcAddress) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "getProcAddress");
+ return;
+ }
+
+ if (ctx->vdpDevice || ctx->vdpGetProcAddress || ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUInitNV");
+ return;
+ }
+
+ ctx->vdpDevice = vdpDevice;
+ ctx->vdpGetProcAddress = getProcAddress;
+ ctx->vdpSurfaces = _mesa_set_create(NULL, _mesa_key_pointer_equal);
+}
+
+static void
+unregister_surface(struct set_entry *entry)
+{
+ struct vdp_surface *surf = (struct vdp_surface *)entry->key;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (surf->state == GL_SURFACE_MAPPED_NV) {
+ GLintptr surfaces[] = { (GLintptr)surf };
+ _mesa_VDPAUUnmapSurfacesNV(1, surfaces);
+ }
+
+ _mesa_set_remove(ctx->vdpSurfaces, entry);
+ FREE(surf);
+}
+
+void GLAPIENTRY
+_mesa_VDPAUFiniNV(void)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUFiniNV");
+ return;
+ }
+
+ _mesa_set_destroy(ctx->vdpSurfaces, unregister_surface);
+
+ ctx->vdpDevice = 0;
+ ctx->vdpGetProcAddress = 0;
+ ctx->vdpSurfaces = NULL;
+}
+
+static GLintptr
+register_surface(struct gl_context *ctx, GLboolean isOutput,
+ const GLvoid *vdpSurface, GLenum target,
+ GLsizei numTextureNames, const GLuint *textureNames)
+{
+ struct vdp_surface *surf;
+ int i;
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAURegisterSurfaceNV");
+ return (GLintptr)NULL;
+ }
+
+ if (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV");
+ return (GLintptr)NULL;
+ }
+
+ if (target == GL_TEXTURE_RECTANGLE && !ctx->Extensions.NV_texture_rectangle) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV");
+ return (GLintptr)NULL;
+ }
+
+ surf = CALLOC_STRUCT( vdp_surface );
+ surf->vdpSurface = vdpSurface;
+ surf->target = target;
+ surf->access = GL_READ_WRITE;
+ surf->state = GL_SURFACE_REGISTERED_NV;
+ surf->output = isOutput;
+ for (i = 0; i < numTextureNames; ++i) {
+ struct gl_texture_object *tex;
+ tex = _mesa_lookup_texture(ctx, textureNames[i]);
+
+ _mesa_lock_texture(ctx, tex);
+
+ if (tex->Immutable) {
+ _mesa_unlock_texture(ctx, tex);
+ FREE(surf);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "VDPAURegisterSurfaceNV(texture is immutable)");
+ return (GLintptr)NULL;
+ }
+
+ if (tex->Target == 0)
+ tex->Target = target;
+ else if (tex->Target != target) {
+ _mesa_unlock_texture(ctx, tex);
+ FREE(surf);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "VDPAURegisterSurfaceNV(target mismatch)");
+ return (GLintptr)NULL;
+ }
+
+ /* This will disallow respecifying the storage. */
+ tex->Immutable = GL_TRUE;
+ _mesa_unlock_texture(ctx, tex);
+
+ _mesa_reference_texobj(&surf->textures[i], tex);
+ }
+
+ _mesa_set_add(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf);
+
+ return (GLintptr)surf;
+}
+
+GLintptr GLAPIENTRY
+_mesa_VDPAURegisterVideoSurfaceNV(const GLvoid *vdpSurface, GLenum target,
+ GLsizei numTextureNames,
+ const GLuint *textureNames)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (numTextureNames != 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV");
+ return (GLintptr)NULL;
+ }
+
+ return register_surface(ctx, false, vdpSurface, target,
+ numTextureNames, textureNames);
+}
+
+GLintptr GLAPIENTRY
+_mesa_VDPAURegisterOutputSurfaceNV(const GLvoid *vdpSurface, GLenum target,
+ GLsizei numTextureNames,
+ const GLuint *textureNames)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (numTextureNames != 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAURegisterVideoSurfaceNV");
+ return (GLintptr)NULL;
+ }
+
+ return register_surface(ctx, true, vdpSurface, target,
+ numTextureNames, textureNames);
+}
+
+void GLAPIENTRY
+_mesa_VDPAUIsSurfaceNV(GLintptr surface)
+{
+ struct vdp_surface *surf = (struct vdp_surface *)surface;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUIsSurfaceNV");
+ return;
+ }
+
+ if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUIsSurfaceNV");
+ return;
+ }
+}
+
+void GLAPIENTRY
+_mesa_VDPAUUnregisterSurfaceNV(GLintptr surface)
+{
+ struct vdp_surface *surf = (struct vdp_surface *)surface;
+ struct set_entry *entry;
+ int i;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnregisterSurfaceNV");
+ return;
+ }
+
+ /* according to the spec it's ok when this is zero */
+ if (surface == 0)
+ return;
+
+ entry = _mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf);
+ if (!entry) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUUnregisterSurfaceNV");
+ return;
+ }
+
+ for (i = 0; i < MAX_TEXTURES; i++) {
+ if (surf->textures[i]) {
+ surf->textures[i]->Immutable = GL_FALSE;
+ _mesa_reference_texobj(&surf->textures[i], NULL);
+ }
+ }
+
+ _mesa_set_remove(ctx->vdpSurfaces, entry);
+ FREE(surf);
+}
+
+void GLAPIENTRY
+_mesa_VDPAUGetSurfaceivNV(GLintptr surface, GLenum pname, GLsizei bufSize,
+ GLsizei *length, GLint *values)
+{
+ struct vdp_surface *surf = (struct vdp_surface *)surface;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUGetSurfaceivNV");
+ return;
+ }
+
+ if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV");
+ return;
+ }
+
+ if (pname != GL_SURFACE_STATE_NV) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "VDPAUGetSurfaceivNV");
+ return;
+ }
+
+ if (bufSize < 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUGetSurfaceivNV");
+ return;
+ }
+
+ values[0] = surf->state;
+
+ if (length != NULL)
+ *length = 1;
+}
+
+void GLAPIENTRY
+_mesa_VDPAUSurfaceAccessNV(GLintptr surface, GLenum access)
+{
+ struct vdp_surface *surf = (struct vdp_surface *)surface;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
+ return;
+ }
+
+ if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
+ return;
+ }
+
+ if (access != GL_READ_ONLY && access != GL_WRITE_ONLY &&
+ access != GL_READ_WRITE) {
+
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
+ return;
+ }
+
+ if (surf->state == GL_SURFACE_MAPPED_NV) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
+ return;
+ }
+
+ surf->access = access;
+}
+
+void GLAPIENTRY
+_mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ int i, j;
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
+ return;
+ }
+
+ for (i = 0; i < numSurfaces; ++i) {
+ struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
+
+ if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
+ return;
+ }
+
+ if (surf->state == GL_SURFACE_MAPPED_NV) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
+ return;
+ }
+ }
+
+ for (i = 0; i < numSurfaces; ++i) {
+ struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
+ unsigned numTextureNames = surf->output ? 1 : 4;
+
+ for (j = 0; j < numTextureNames; ++j) {
+ struct gl_texture_object *tex = surf->textures[j];
+ struct gl_texture_image *image;
+
+ _mesa_lock_texture(ctx, tex);
+ image = _mesa_get_tex_image(ctx, tex, surf->target, 0);
+ if (!image) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "VDPAUMapSurfacesNV");
+ _mesa_unlock_texture(ctx, tex);
+ return;
+ }
+
+ ctx->Driver.FreeTextureImageBuffer(ctx, image);
+
+ ctx->Driver.VDPAUMapSurface(ctx, surf->target, surf->access,
+ surf->output, tex, image,
+ surf->vdpSurface, j);
+
+ _mesa_unlock_texture(ctx, tex);
+ }
+ surf->state = GL_SURFACE_MAPPED_NV;
+ }
+}
+
+void GLAPIENTRY
+_mesa_VDPAUUnmapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ int i, j;
+
+ if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
+ return;
+ }
+
+ for (i = 0; i < numSurfaces; ++i) {
+ struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
+
+ if (!_mesa_set_search(ctx->vdpSurfaces, _mesa_hash_pointer(surf), surf)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
+ return;
+ }
+
+ if (surf->state != GL_SURFACE_MAPPED_NV) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
+ return;
+ }
+ }
+
+ for (i = 0; i < numSurfaces; ++i) {
+ struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
+ unsigned numTextureNames = surf->output ? 1 : 4;
+
+ for (j = 0; j < numTextureNames; ++j) {
+ struct gl_texture_object *tex = surf->textures[j];
+ struct gl_texture_image *image;
+
+ _mesa_lock_texture(ctx, tex);
+
+ image = _mesa_select_tex_image(ctx, tex, surf->target, 0);
+
+ ctx->Driver.VDPAUUnmapSurface(ctx, surf->target, surf->access,
+ surf->output, tex, image,
+ surf->vdpSurface, j);
+
+ if (image)
+ ctx->Driver.FreeTextureImageBuffer(ctx, image);
+
+ _mesa_unlock_texture(ctx, tex);
+ }
+ surf->state = GL_SURFACE_REGISTERED_NV;
+ }
+}