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authormarha <marha@users.sourceforge.net>2015-05-15 19:14:42 +0200
committermarha <marha@users.sourceforge.net>2015-05-15 19:14:42 +0200
commit843964ee791452b197e41dacb0146f5b456ffaa5 (patch)
treeb1b0734c17ce1d488aa4d6e95f27363d80731e10 /mesalib/src/mesa/main/arrayobj.c
parenta71d524ecad48837e0124a03124bc05f59a48be7 (diff)
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randrproto fontconfig libfontenc libxcb mesalib xserver pixman xkeyboard-config git update 15 May 2015
xserver commit bf6344e1913a5d24c2d68eaca999ea3d71e1b707 libxcb commit cb621341a62e6d2233db3e337611f6fdd4f675a6 libxcb/xcb-proto commit 4c550465934164aab2449a125f75f4ca07816233 xkeyboard-config commit 5da6d510b460cad1b31288618cc364e586576826 libX11 commit d3415d1f052530760b4617db45affcb984cfe35c libXdmcp commit b10f382e3aa2e86cd5a2bc27d6758da55f0ab1f6 libXext commit efdcbb7634501e1117d422636a0a75d7ea84b16b libfontenc commit 42f3a39c3085afd9ef904ae39102fd49bbc2e4a5 libXinerama commit edd95182b26eb5d576d4878c559e0f17dddaa909 libXau commit 1e4635be11154dd8262f37b379511bd627defa2a xkbcomp commit 1ae525b3d236b59e6437b2b5433d460e18370973 pixman commit 82f9b4faaf1aa63ec26b0dfd227f1a8e5e139ae2 xextproto commit 66afec3f49e8eb0d4c2e9af7088fc3116d4bafd7 randrproto commit 895ee5264524c7c239ee4ef5e39c4e295323fb51 glproto commit bd3d751e1eb17efb39f65093271bb4ac071aa9e0 mkfontscale commit 87d628f8eec170ec13bb9feefb1ce05aed07d1d6 xwininfo commit 0c49f8f2bd56b1e77721e81030ea948386dcdf4e libXft commit e8a83226bc10afb587f6f34daac44d2ef809c85e libXmu commit 4459e6940fe3fdf26a8d5d4c71989498bc400a62 libxtrans commit 7cbad9fe2e61cd9d5caeaf361826a6f4bd320f03 fontconfig commit 55ff8419274fd5ce59675f220b85035a3986d6cf mesa commit 3687d752e51829b4723c9abb07ae56d2bbcda570
Diffstat (limited to 'mesalib/src/mesa/main/arrayobj.c')
-rw-r--r--mesalib/src/mesa/main/arrayobj.c192
1 files changed, 184 insertions, 8 deletions
diff --git a/mesalib/src/mesa/main/arrayobj.c b/mesalib/src/mesa/main/arrayobj.c
index 3c8ffb5a4..320f435ea 100644
--- a/mesalib/src/mesa/main/arrayobj.c
+++ b/mesalib/src/mesa/main/arrayobj.c
@@ -75,6 +75,61 @@ _mesa_lookup_vao(struct gl_context *ctx, GLuint id)
/**
+ * Looks up the array object for the given ID.
+ *
+ * Unlike _mesa_lookup_vao, this function generates a GL_INVALID_OPERATION
+ * error if the array object does not exist. It also returns the default
+ * array object when ctx is a compatibility profile context and id is zero.
+ */
+struct gl_vertex_array_object *
+_mesa_lookup_vao_err(struct gl_context *ctx, GLuint id, const char *caller)
+{
+ /* The ARB_direct_state_access specification says:
+ *
+ * "<vaobj> is [compatibility profile:
+ * zero, indicating the default vertex array object, or]
+ * the name of the vertex array object."
+ */
+ if (id == 0) {
+ if (ctx->API == API_OPENGL_CORE) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(zero is not valid vaobj name in a core profile "
+ "context)", caller);
+ return NULL;
+ }
+
+ return ctx->Array.DefaultVAO;
+ } else {
+ struct gl_vertex_array_object *vao;
+
+ if (ctx->Array.LastLookedUpVAO &&
+ ctx->Array.LastLookedUpVAO->Name == id) {
+ vao = ctx->Array.LastLookedUpVAO;
+ } else {
+ vao = (struct gl_vertex_array_object *)
+ _mesa_HashLookup(ctx->Array.Objects, id);
+
+ /* The ARB_direct_state_access specification says:
+ *
+ * "An INVALID_OPERATION error is generated if <vaobj> is not
+ * [compatibility profile: zero or] the name of an existing
+ * vertex array object."
+ */
+ if (!vao || !vao->EverBound) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(non-existent vaobj=%u)", caller, id);
+ return NULL;
+ }
+
+ _mesa_reference_vao(ctx, &ctx->Array.LastLookedUpVAO, vao);
+ }
+
+ return vao;
+ }
+}
+
+
+/**
* For all the vertex binding points in the array object, unbind any pointers
* to any buffer objects (VBOs).
* This is done just prior to array object destruction.
@@ -200,6 +255,7 @@ init_array(struct gl_context *ctx,
array->Enabled = GL_FALSE;
array->Normalized = GL_FALSE;
array->Integer = GL_FALSE;
+ array->Doubles = GL_FALSE;
array->_ElementSize = size * _mesa_sizeof_type(type);
array->VertexBinding = index;
@@ -469,6 +525,9 @@ _mesa_DeleteVertexArrays(GLsizei n, const GLuint *ids)
/* The ID is immediately freed for re-use */
remove_array_object(ctx, obj);
+ if (ctx->Array.LastLookedUpVAO == obj)
+ _mesa_reference_vao(ctx, &ctx->Array.LastLookedUpVAO, NULL);
+
/* Unreference the array object.
* If refcount hits zero, the object will be deleted.
*/
@@ -480,19 +539,23 @@ _mesa_DeleteVertexArrays(GLsizei n, const GLuint *ids)
/**
* Generate a set of unique array object IDs and store them in \c arrays.
- * Helper for _mesa_GenVertexArrays[APPLE]() functions below.
+ * Helper for _mesa_GenVertexArrays[APPLE]() and _mesa_CreateVertexArrays()
+ * below.
+ *
* \param n Number of IDs to generate.
* \param arrays Array of \c n locations to store the IDs.
- * \param vboOnly Will arrays have to reside in VBOs?
+ * \param create Indicates that the objects should also be created.
+ * \param func The name of the GL entry point.
*/
static void
-gen_vertex_arrays(struct gl_context *ctx, GLsizei n, GLuint *arrays)
+gen_vertex_arrays(struct gl_context *ctx, GLsizei n, GLuint *arrays,
+ bool create, const char *func)
{
GLuint first;
GLint i;
if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenVertexArrays");
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(n < 0)", func);
return;
}
@@ -502,16 +565,20 @@ gen_vertex_arrays(struct gl_context *ctx, GLsizei n, GLuint *arrays)
first = _mesa_HashFindFreeKeyBlock(ctx->Array.Objects, n);
- /* Allocate new, empty array objects and return identifiers */
+ /* For the sake of simplicity we create the array objects in both
+ * the Gen* and Create* cases. The only difference is the value of
+ * EverBound, which is set to true in the Create* case.
+ */
for (i = 0; i < n; i++) {
struct gl_vertex_array_object *obj;
GLuint name = first + i;
obj = (*ctx->Driver.NewArrayObject)( ctx, name );
if (!obj) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenVertexArrays");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
return;
}
+ obj->EverBound = create;
save_array_object(ctx, obj);
arrays[i] = first + i;
}
@@ -526,7 +593,7 @@ void GLAPIENTRY
_mesa_GenVertexArrays(GLsizei n, GLuint *arrays)
{
GET_CURRENT_CONTEXT(ctx);
- gen_vertex_arrays(ctx, n, arrays);
+ gen_vertex_arrays(ctx, n, arrays, false, "glGenVertexArrays");
}
@@ -538,7 +605,27 @@ void GLAPIENTRY
_mesa_GenVertexArraysAPPLE(GLsizei n, GLuint *arrays)
{
GET_CURRENT_CONTEXT(ctx);
- gen_vertex_arrays(ctx, n, arrays);
+ gen_vertex_arrays(ctx, n, arrays, false, "glGenVertexArraysAPPLE");
+}
+
+
+/**
+ * ARB_direct_state_access
+ * Generates ID's and creates the array objects.
+ */
+void GLAPIENTRY
+_mesa_CreateVertexArrays(GLsizei n, GLuint *arrays)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->Extensions.ARB_direct_state_access) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCreateVertexArrays(GL_ARB_direct_state_access "
+ "is not supported");
+ return;
+ }
+
+ gen_vertex_arrays(ctx, n, arrays, true, "glCreateVertexArrays");
}
@@ -565,3 +652,92 @@ _mesa_IsVertexArray( GLuint id )
return obj->EverBound;
}
+
+
+/**
+ * Sets the element array buffer binding of a vertex array object.
+ *
+ * This is the ARB_direct_state_access equivalent of
+ * glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer).
+ */
+void GLAPIENTRY
+_mesa_VertexArrayElementBuffer(GLuint vaobj, GLuint buffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_vertex_array_object *vao;
+ struct gl_buffer_object *bufObj;
+
+ if (!ctx->Extensions.ARB_direct_state_access) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glVertexArrayElementBuffer(GL_ARB_direct_state_access "
+ "is not supported");
+ return;
+ }
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* The GL_ARB_direct_state_access specification says:
+ *
+ * "An INVALID_OPERATION error is generated by VertexArrayElementBuffer
+ * if <vaobj> is not [compatibility profile: zero or] the name of an
+ * existing vertex array object."
+ */
+ vao =_mesa_lookup_vao_err(ctx, vaobj, "glVertexArrayElementBuffer");
+ if (!vao)
+ return;
+
+ /* The GL_ARB_direct_state_access specification says:
+ *
+ * "An INVALID_OPERATION error is generated if <buffer> is not zero or
+ * the name of an existing buffer object."
+ */
+ if (buffer != 0)
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glVertexArrayElementBuffer");
+ else
+ bufObj = ctx->Shared->NullBufferObj;
+
+ if (bufObj)
+ _mesa_reference_buffer_object(ctx, &vao->IndexBufferObj, bufObj);
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexArrayiv(GLuint vaobj, GLenum pname, GLint *param)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_vertex_array_object *vao;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.ARB_direct_state_access) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetVertexArrayiv(GL_ARB_direct_state_access "
+ "is not supported");
+ return;
+ }
+
+ /* The GL_ARB_direct_state_access specification says:
+ *
+ * "An INVALID_OPERATION error is generated if <vaobj> is not
+ * [compatibility profile: zero or] the name of an existing
+ * vertex array object."
+ */
+ vao =_mesa_lookup_vao_err(ctx, vaobj, "glGetVertexArrayiv");
+ if (!vao)
+ return;
+
+ /* The GL_ARB_direct_state_access specification says:
+ *
+ * "An INVALID_ENUM error is generated if <pname> is not
+ * ELEMENT_ARRAY_BUFFER_BINDING."
+ */
+ if (pname != GL_ELEMENT_ARRAY_BUFFER_BINDING) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetVertexArrayiv(pname != "
+ "GL_ELEMENT_ARRAY_BUFFER_BINDING)");
+ return;
+ }
+
+ param[0] = vao->IndexBufferObj->Name;
+}