}
+/**
+ * Examine the API profile and extensions to determine which types are legal
+ * for vertex arrays. This is called once from update_array_format().
+ */
+static GLbitfield
+get_legal_types_mask(const struct gl_context *ctx)
+{
+ GLbitfield legalTypesMask = ~0u; /* all */
+
+ if (_mesa_is_gles(ctx)) {
+ legalTypesMask &= ~(FIXED_GL_BIT |
+ DOUBLE_BIT |
+ UNSIGNED_INT_10F_11F_11F_REV_BIT);
+
+ /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until
+ * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or
+ * GL_OES_vertex_type_10_10_10_2. GL_HALF_FLOAT data is not allowed
+ * until 3.0 or with the GL_OES_vertex_half float extension, which isn't
+ * quite as trivial as we'd like because it uses a different enum value
+ * for GL_HALF_FLOAT_OES.
+ */
+ if (ctx->Version < 30) {
+ legalTypesMask &= ~(UNSIGNED_INT_BIT |
+ INT_BIT |
+ UNSIGNED_INT_2_10_10_10_REV_BIT |
+ INT_2_10_10_10_REV_BIT |
+ HALF_BIT);
+ }
+ }
+ else {
+ legalTypesMask &= ~FIXED_ES_BIT;
+
+ if (!ctx->Extensions.ARB_ES2_compatibility)
+ legalTypesMask &= ~FIXED_GL_BIT;
+
+ if (!ctx->Extensions.ARB_vertex_type_2_10_10_10_rev)
+ legalTypesMask &= ~(UNSIGNED_INT_2_10_10_10_REV_BIT |
+ INT_2_10_10_10_REV_BIT);
+
+ if (!ctx->Extensions.ARB_vertex_type_10f_11f_11f_rev)
+ legalTypesMask &= ~UNSIGNED_INT_10F_11F_11F_REV_BIT;
+ }
+
+ return legalTypesMask;
+}
+
+
/**
* Does error checking and updates the format in an attrib array.
*
GLuint elementSize;
GLenum format = GL_RGBA;
- if (_mesa_is_gles(ctx)) {
- legalTypesMask &= ~(FIXED_GL_BIT | DOUBLE_BIT | UNSIGNED_INT_10F_11F_11F_REV_BIT);
-
- /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until
- * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or
- * GL_OES_vertex_type_10_10_10_2. GL_HALF_FLOAT data is not allowed
- * until 3.0 or with the GL_OES_vertex_half float extension, which isn't
- * quite as trivial as we'd like because it uses a different enum value
- * for GL_HALF_FLOAT_OES.
+ if (ctx->Array.LegalTypesMask == 0) {
+ /* One-time initialization. We can't do this in _mesa_init_varrays()
+ * below because extensions are not yet enabled at that point.
*/
- if (ctx->Version < 30) {
- legalTypesMask &= ~(UNSIGNED_INT_BIT
- | INT_BIT
- | UNSIGNED_INT_2_10_10_10_REV_BIT
- | INT_2_10_10_10_REV_BIT
- | HALF_BIT);
- }
+ ctx->Array.LegalTypesMask = get_legal_types_mask(ctx);
+ }
+
+ legalTypesMask &= ctx->Array.LegalTypesMask;
+ if (_mesa_is_gles(ctx) && sizeMax == BGRA_OR_4) {
/* BGRA ordering is not supported in ES contexts.
*/
- if (sizeMax == BGRA_OR_4)
- sizeMax = 4;
- } else {
- legalTypesMask &= ~FIXED_ES_BIT;
-
- if (!ctx->Extensions.ARB_ES2_compatibility)
- legalTypesMask &= ~FIXED_GL_BIT;
-
- if (!ctx->Extensions.ARB_vertex_type_2_10_10_10_rev)
- legalTypesMask &= ~(UNSIGNED_INT_2_10_10_10_REV_BIT |
- INT_2_10_10_10_REV_BIT);
-
- if (!ctx->Extensions.ARB_vertex_type_10f_11f_11f_rev)
- legalTypesMask &= ~UNSIGNED_INT_10F_11F_11F_REV_BIT;
+ sizeMax = 4;
}
typeBit = type_to_bit(ctx, type);
}
+void GLAPIENTRY
+_mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
+ const GLintptr *offsets, const GLsizei *strides)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_vertex_array_object * const vao = ctx->Array.VAO;
+ GLuint i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "An INVALID_OPERATION error is generated if no
+ * vertex array object is bound."
+ */
+ if (ctx->API == API_OPENGL_CORE &&
+ ctx->Array.VAO == ctx->Array.DefaultVAO) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindVertexBuffers(No array object bound)");
+ return;
+ }
+
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count>
+ * is greater than the value of MAX_VERTEX_ATTRIB_BINDINGS."
+ */
+ if (first + count > ctx->Const.MaxVertexAttribBindings) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindVertexBuffers(first=%u + count=%d > the value of "
+ "GL_MAX_VERTEX_ATTRIB_BINDINGS=%u)",
+ first, count, ctx->Const.MaxVertexAttribBindings);
+ return;
+ }
+
+ if (!buffers) {
+ /**
+ * The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, each affected vertex buffer binding point
+ * from <first> through <first>+<count>-1 will be reset to have no
+ * bound buffer object. In this case, the offsets and strides
+ * associated with the binding points are set to default values,
+ * ignoring <offsets> and <strides>."
+ */
+ struct gl_buffer_object *vbo = ctx->Shared->NullBufferObj;
+
+ for (i = 0; i < count; i++)
+ bind_vertex_buffer(ctx, VERT_ATTRIB_GENERIC(first + i), vbo, 0, 16);
+
+ return;
+ }
+
+ /* Note that the error semantics for multi-bind commands differ from
+ * those of other GL commands.
+ *
+ * The Issues section in the ARB_multi_bind spec says:
+ *
+ * "(11) Typically, OpenGL specifies that if an error is generated by
+ * a command, that command has no effect. This is somewhat
+ * unfortunate for multi-bind commands, because it would require
+ * a first pass to scan the entire list of bound objects for
+ * errors and then a second pass to actually perform the
+ * bindings. Should we have different error semantics?
+ *
+ * RESOLVED: Yes. In this specification, when the parameters for
+ * one of the <count> binding points are invalid, that binding
+ * point is not updated and an error will be generated. However,
+ * other binding points in the same command will be updated if
+ * their parameters are valid and no other error occurs."
+ */
+
+ _mesa_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_buffer_object *vbo;
+
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated if any value in
+ * <offsets> or <strides> is negative (per binding)."
+ */
+ if (offsets[i] < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindVertexBuffer(offsets[%u]=%lldd < 0)",
+ i, (long long int) offsets[i]);
+ continue;
+ }
+
+ if (strides[i] < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindVertexBuffer(strides[%u]=%lld < 0)",
+ i, (long long int) strides[i]);
+ continue;
+ }
+
+ if (buffers[i]) {
+ struct gl_vertex_buffer_binding *binding =
+ &vao->VertexBinding[VERT_ATTRIB_GENERIC(first + i)];
+
+ if (buffers[i] == binding->BufferObj->Name)
+ vbo = binding->BufferObj;
+ else
+ vbo = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindVertexBuffers");
+
+ if (!vbo)
+ continue;
+ } else {
+ vbo = ctx->Shared->NullBufferObj;
+ }
+
+ bind_vertex_buffer(ctx, VERT_ATTRIB_GENERIC(first + i), vbo,
+ offsets[i], strides[i]);
+ }
+
+ _mesa_end_bufferobj_lookups(ctx);
+}
+
+
void GLAPIENTRY
_mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
GLboolean normalized, GLuint relativeOffset)
projects / mesa.git / blobdiff