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-rw-r--r--src/mesa/main/varray.c491
1 files changed, 450 insertions, 41 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index a705b6b9368..b0e02865b1d 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -103,19 +103,93 @@ type_to_bit(const struct gl_context *ctx, GLenum type)
/**
+ * Sets the VertexBinding field in the vertex attribute given by attribIndex.
+ */
+static void
+vertex_attrib_binding(struct gl_context *ctx, GLuint attribIndex,
+ GLuint bindingIndex)
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ struct gl_vertex_attrib_array *array = &arrayObj->VertexAttrib[attribIndex];
+
+ if (array->VertexBinding != bindingIndex) {
+ const GLbitfield64 array_bit = VERT_BIT(attribIndex);
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+
+ arrayObj->VertexBinding[array->VertexBinding]._BoundArrays &= ~array_bit;
+ arrayObj->VertexBinding[bindingIndex]._BoundArrays |= array_bit;
+
+ array->VertexBinding = bindingIndex;
+
+ arrayObj->NewArrays |= array_bit;
+ }
+}
+
+
+/**
+ * Binds a buffer object to the vertex buffer binding point given by index,
+ * and sets the Offset and Stride fields.
+ */
+static void
+bind_vertex_buffer(struct gl_context *ctx, GLuint index,
+ struct gl_buffer_object *vbo,
+ GLintptr offset, GLsizei stride)
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ struct gl_vertex_buffer_binding *binding = &arrayObj->VertexBinding[index];
+
+ if (binding->BufferObj != vbo ||
+ binding->Offset != offset ||
+ binding->Stride != stride) {
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+
+ _mesa_reference_buffer_object(ctx, &binding->BufferObj, vbo);
+
+ binding->Offset = offset;
+ binding->Stride = stride;
+
+ arrayObj->NewArrays |= binding->_BoundArrays;
+ }
+}
+
+
+/**
+ * Sets the InstanceDivisor field in the vertex buffer binding point
+ * given by bindingIndex.
+ */
+static void
+vertex_binding_divisor(struct gl_context *ctx, GLuint bindingIndex,
+ GLuint divisor)
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ struct gl_vertex_buffer_binding *binding =
+ &arrayObj->VertexBinding[bindingIndex];
+
+ if (binding->InstanceDivisor != divisor) {
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ binding->InstanceDivisor = divisor;
+ arrayObj->NewArrays |= binding->_BoundArrays;
+ }
+}
+
+
+/**
* Does error checking and updates the format in an attrib array.
*
- * Called by update_array().
+ * Called by update_array() and VertexAttrib*Format().
*
- * \param func Name of calling function used for error reporting
- * \param attrib The index of the attribute array
- * \param legalTypes Bitmask of *_BIT above indicating legal datatypes
- * \param sizeMin Min allowable size value
- * \param sizeMax Max allowable size value (may also be BGRA_OR_4)
- * \param size Components per element (1, 2, 3 or 4)
- * \param type Datatype of each component (GL_FLOAT, GL_INT, etc)
- * \param normalized Whether integer types are converted to floats in [-1, 1]
- * \param integer Integer-valued values (will not be normalized to [-1, 1])
+ * \param func Name of calling function used for error reporting
+ * \param attrib The index of the attribute array
+ * \param legalTypes Bitmask of *_BIT above indicating legal datatypes
+ * \param sizeMin Min allowable size value
+ * \param sizeMax Max allowable size value (may also be BGRA_OR_4)
+ * \param size Components per element (1, 2, 3 or 4)
+ * \param type Datatype of each component (GL_FLOAT, GL_INT, etc)
+ * \param normalized Whether integer types are converted to floats in [-1, 1]
+ * \param integer Integer-valued values (will not be normalized to [-1, 1])
+ * \param relativeOffset Offset of the first element relative to the binding offset.
*/
static bool
update_array_format(struct gl_context *ctx,
@@ -123,9 +197,10 @@ update_array_format(struct gl_context *ctx,
GLuint attrib, GLbitfield legalTypesMask,
GLint sizeMin, GLint sizeMax,
GLint size, GLenum type,
- GLboolean normalized, GLboolean integer)
+ GLboolean normalized, GLboolean integer,
+ GLuint relativeOffset)
{
- struct gl_client_array *array;
+ struct gl_vertex_attrib_array *array;
GLbitfield typeBit;
GLuint elementSize;
GLenum format = GL_RGBA;
@@ -224,19 +299,36 @@ update_array_format(struct gl_context *ctx,
return false;
}
+ /* The ARB_vertex_attrib_binding_spec says:
+ *
+ * An INVALID_VALUE error is generated if <relativeoffset> is larger than
+ * the value of MAX_VERTEX_ATTRIB_RELATIVE_OFFSET.
+ */
+ if (relativeOffset > ctx->Const.MaxVertexAttribRelativeOffset) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(relativeOffset=%d > "
+ "GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET)",
+ func, relativeOffset);
+ return GL_FALSE;
+ }
+
ASSERT(size <= 4);
elementSize = _mesa_bytes_per_vertex_attrib(size, type);
assert(elementSize != -1);
- array = &ctx->Array.ArrayObj->_VertexAttrib[attrib];
+ array = &ctx->Array.ArrayObj->VertexAttrib[attrib];
array->Size = size;
array->Type = type;
array->Format = format;
array->Normalized = normalized;
array->Integer = integer;
+ array->RelativeOffset = relativeOffset;
array->_ElementSize = elementSize;
+ ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib);
+ ctx->NewState |= _NEW_ARRAY;
+
return true;
}
@@ -266,7 +358,8 @@ update_array(struct gl_context *ctx,
GLboolean normalized, GLboolean integer,
const GLvoid *ptr)
{
- struct gl_client_array *array;
+ struct gl_vertex_attrib_array *array;
+ GLsizei effectiveStride;
/* Page 407 (page 423 of the PDF) of the OpenGL 3.0 spec says:
*
@@ -286,7 +379,7 @@ update_array(struct gl_context *ctx,
}
if (!update_array_format(ctx, func, attrib, legalTypesMask, sizeMin, sizeMax,
- size, type, normalized, integer)) {
+ size, type, normalized, integer, 0)) {
return;
}
@@ -313,16 +406,18 @@ update_array(struct gl_context *ctx,
return;
}
- array = &ctx->Array.ArrayObj->_VertexAttrib[attrib];
- array->Stride = stride;
- array->StrideB = stride ? stride : array->_ElementSize;
- array->Ptr = (const GLubyte *) ptr;
+ /* Reset the vertex attrib binding */
+ vertex_attrib_binding(ctx, attrib, attrib);
- _mesa_reference_buffer_object(ctx, &array->BufferObj,
- ctx->Array.ArrayBufferObj);
+ /* The Stride and Ptr fields are not set by update_array_format() */
+ array = &ctx->Array.ArrayObj->VertexAttrib[attrib];
+ array->Stride = stride;
+ array->Ptr = (const GLvoid *) ptr;
- ctx->NewState |= _NEW_ARRAY;
- ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib);
+ /* Update the vertex buffer binding */
+ effectiveStride = stride != 0 ? stride : array->_ElementSize;
+ bind_vertex_buffer(ctx, attrib, ctx->Array.ArrayBufferObj,
+ (GLintptr) ptr, effectiveStride);
}
@@ -569,10 +664,10 @@ _mesa_EnableVertexAttribArray(GLuint index)
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->_VertexAttrib));
- if (!arrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
+ if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
/* was disabled, now being enabled */
FLUSH_VERTICES(ctx, _NEW_ARRAY);
- arrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
+ arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
arrayObj->_Enabled |= VERT_BIT_GENERIC(index);
arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
}
@@ -595,10 +690,10 @@ _mesa_DisableVertexAttribArray(GLuint index)
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->_VertexAttrib));
- if (arrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
+ if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
/* was enabled, now being disabled */
FLUSH_VERTICES(ctx, _NEW_ARRAY);
- arrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
+ arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index);
arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
}
@@ -614,16 +709,17 @@ static GLuint
get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
const char *caller)
{
- const struct gl_client_array *array;
+ const struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ const struct gl_vertex_attrib_array *array;
if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index);
return 0;
}
- ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->_VertexAttrib));
+ ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
- array = &ctx->Array.ArrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)];
+ array = &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)];
switch (pname) {
case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
@@ -637,7 +733,7 @@ get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
return array->Normalized;
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
- return array->BufferObj->Name;
+ return arrayObj->VertexBinding[array->VertexBinding].BufferObj->Name;
case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
if ((_mesa_is_desktop_gl(ctx)
&& (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4))
@@ -648,7 +744,7 @@ get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_instanced_arrays)
|| _mesa_is_gles3(ctx)) {
- return array->InstanceDivisor;
+ return arrayObj->VertexBinding[array->VertexBinding].InstanceDivisor;
}
goto error;
default:
@@ -806,7 +902,7 @@ _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer)
ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->_VertexAttrib));
- *pointer = (GLvoid *) ctx->Array.ArrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)].Ptr;
+ *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Ptr;
}
@@ -1180,9 +1276,10 @@ _mesa_PrimitiveRestartIndex(GLuint index)
void GLAPIENTRY
_mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
{
- struct gl_client_array *array;
GET_CURRENT_CONTEXT(ctx);
+ const GLuint genericIndex = VERT_ATTRIB_GENERIC(index);
+
if (!ctx->Extensions.ARB_instanced_arrays) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
return;
@@ -1194,14 +1291,21 @@ _mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
return;
}
- ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->_VertexAttrib));
+ ASSERT(genericIndex < Elements(ctx->Array.ArrayObj->VertexAttrib));
- array = &ctx->Array.ArrayObj->_VertexAttrib[VERT_ATTRIB_GENERIC(index)];
- if (array->InstanceDivisor != divisor) {
- FLUSH_VERTICES(ctx, _NEW_ARRAY);
- array->InstanceDivisor = divisor;
- ctx->Array.ArrayObj->NewArrays |= VERT_BIT(VERT_ATTRIB_GENERIC(index));
- }
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "The command
+ *
+ * void VertexAttribDivisor(uint index, uint divisor);
+ *
+ * is equivalent to (assuming no errors are generated):
+ *
+ * VertexAttribBinding(index, index);
+ * VertexBindingDivisor(index, divisor);"
+ */
+ vertex_attrib_binding(ctx, genericIndex, genericIndex);
+ vertex_binding_divisor(ctx, genericIndex, divisor);
}
@@ -1237,6 +1341,80 @@ void GLAPIENTRY
_mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
GLsizei stride)
{
+ struct gl_buffer_object *vbo;
+
+ GET_CURRENT_CONTEXT(ctx);
+ 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.ArrayObj == ctx->Array.DefaultArrayObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindVertexBuffer(No array object bound)");
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "An INVALID_VALUE error is generated if <bindingindex> is greater than
+ * the value of MAX_VERTEX_ATTRIB_BINDINGS."
+ */
+ if (bindingIndex >= ctx->Const.MaxVertexAttribBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindVertexBuffer(bindingindex=%u > "
+ "GL_MAX_VERTEX_ATTRIB_BINDINGS)",
+ bindingIndex);
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "The error INVALID_VALUE is generated if <stride> or <offset>
+ * are negative."
+ */
+ if (offset < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindVertexBuffer(offset=%lld < 0)", (long long)offset);
+ return;
+ }
+
+ if (stride < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindVertexBuffer(stride=%d < 0)", stride);
+ return;
+ }
+
+ if (buffer != 0) {
+ vbo = _mesa_lookup_bufferobj(ctx, buffer);
+
+ /* From the GL_ARB_vertex_attrib_array spec:
+ *
+ * "[Core profile only:]
+ * An INVALID_OPERATION error is generated if buffer is not zero or a
+ * name returned from a previous call to GenBuffers, or if such a name
+ * has since been deleted with DeleteBuffers.
+ *
+ * Otherwise, we fall back to the same compat profile behavior as other
+ * object references (automatically gen it).
+ */
+ if (!_mesa_handle_bind_buffer_gen(ctx, GL_ARRAY_BUFFER, buffer,
+ &vbo, "glBindVertexBuffer"))
+ return;
+ } else {
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "If <buffer> is zero, any buffer object attached to this
+ * bindpoint is detached."
+ */
+ vbo = ctx->Shared->NullBufferObj;
+ }
+
+ bind_vertex_buffer(ctx, VERT_ATTRIB_GENERIC(bindingIndex),
+ vbo, offset, stride);
}
@@ -1244,6 +1422,50 @@ void GLAPIENTRY
_mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
GLboolean normalized, GLuint relativeOffset)
{
+ const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
+ SHORT_BIT | UNSIGNED_SHORT_BIT |
+ INT_BIT | UNSIGNED_INT_BIT |
+ HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
+ FIXED_GL_BIT |
+ UNSIGNED_INT_2_10_10_10_REV_BIT |
+ INT_2_10_10_10_REV_BIT);
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "An INVALID_OPERATION error is generated under any of the following
+ * conditions:
+ * - if no vertex array object is currently bound (see section 2.10);
+ * - ..."
+ */
+ if (ctx->API == API_OPENGL_CORE &&
+ ctx->Array.ArrayObj == ctx->Array.DefaultArrayObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glVertexAttribFormat(No array object bound)");
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "The error INVALID_VALUE is generated if index is greater than or equal
+ * to the value of MAX_VERTEX_ATTRIBS."
+ */
+ if (attribIndex >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glVertexAttribFormat(attribindex=%u > "
+ "GL_MAX_VERTEX_ATTRIBS)",
+ attribIndex);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, 0);
+
+ update_array_format(ctx, "glVertexAttribFormat",
+ VERT_ATTRIB_GENERIC(attribIndex),
+ legalTypes, 1, BGRA_OR_4, size, type, normalized,
+ GL_FALSE, relativeOffset);
}
@@ -1251,6 +1473,46 @@ void GLAPIENTRY
_mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
GLuint relativeOffset)
{
+ const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
+ SHORT_BIT | UNSIGNED_SHORT_BIT |
+ INT_BIT | UNSIGNED_INT_BIT);
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "An INVALID_OPERATION error is generated under any of the following
+ * conditions:
+ * - if no vertex array object is currently bound (see section 2.10);
+ * - ..."
+ */
+ if (ctx->API == API_OPENGL_CORE &&
+ ctx->Array.ArrayObj == ctx->Array.DefaultArrayObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glVertexAttribIFormat(No array object bound)");
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "The error INVALID_VALUE is generated if index is greater than
+ * or equal to the value of MAX_VERTEX_ATTRIBS."
+ */
+ if (attribIndex >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glVertexAttribIFormat(attribindex=%u > "
+ "GL_MAX_VERTEX_ATTRIBS)",
+ attribIndex);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, 0);
+
+ update_array_format(ctx, "glVertexAttribIFormat",
+ VERT_ATTRIB_GENERIC(attribIndex),
+ legalTypes, 1, 4, size, type, GL_FALSE, GL_TRUE,
+ relativeOffset);
}
@@ -1258,18 +1520,136 @@ void GLAPIENTRY
_mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
GLuint relativeOffset)
{
+ const GLbitfield legalTypes = DOUBLE_BIT;
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* Page 298 of the PDF of the OpenGL 4.3 (Core Profile) spec says:
+ *
+ * "An INVALID_OPERATION error is generated under any of the following
+ * conditions:
+ * • if no vertex array object is currently bound (see section 10.4);
+ * • ..."
+ *
+ * This language is missing from the extension spec, but we assume
+ * that this is an oversight.
+ */
+ if (ctx->API == API_OPENGL_CORE &&
+ ctx->Array.ArrayObj == ctx->Array.DefaultArrayObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glVertexAttribLFormat(No array object bound)");
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "The error INVALID_VALUE is generated if <attribindex> is greater than
+ * or equal to the value of MAX_VERTEX_ATTRIBS."
+ */
+ if (attribIndex >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glVertexAttribLFormat(attribindex=%u > "
+ "GL_MAX_VERTEX_ATTRIBS)",
+ attribIndex);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, 0);
+
+ update_array_format(ctx, "glVertexAttribLFormat",
+ VERT_ATTRIB_GENERIC(attribIndex),
+ legalTypes, 1, 4, size, type, GL_FALSE, GL_FALSE,
+ relativeOffset);
}
void GLAPIENTRY
_mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex)
{
+ GET_CURRENT_CONTEXT(ctx);
+ 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.ArrayObj == ctx->Array.DefaultArrayObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glVertexAttribBinding(No array object bound)");
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "<attribindex> must be less than the value of MAX_VERTEX_ATTRIBS and
+ * <bindingindex> must be less than the value of
+ * MAX_VERTEX_ATTRIB_BINDINGS, otherwise the error INVALID_VALUE
+ * is generated."
+ */
+ if (attribIndex >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glVertexAttribBinding(attribindex=%u >= "
+ "GL_MAX_VERTEX_ATTRIBS)",
+ attribIndex);
+ return;
+ }
+
+ if (bindingIndex >= ctx->Const.MaxVertexAttribBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glVertexAttribBinding(bindingindex=%u >= "
+ "GL_MAX_VERTEX_ATTRIB_BINDINGS)",
+ bindingIndex);
+ return;
+ }
+
+ ASSERT(VERT_ATTRIB_GENERIC(attribIndex) <
+ Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ vertex_attrib_binding(ctx, VERT_ATTRIB_GENERIC(attribIndex),
+ VERT_ATTRIB_GENERIC(bindingIndex));
}
void GLAPIENTRY
_mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor)
{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.ARB_instanced_arrays) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexBindingDivisor()");
+ return;
+ }
+
+ /* 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.ArrayObj == ctx->Array.DefaultArrayObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glVertexBindingDivisor(No array object bound)");
+ return;
+ }
+
+ /* The ARB_vertex_attrib_binding spec says:
+ *
+ * "An INVALID_VALUE error is generated if <bindingindex> is greater
+ * than or equal to the value of MAX_VERTEX_ATTRIB_BINDINGS."
+ */
+ if (bindingIndex >= ctx->Const.MaxVertexAttribBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glVertexBindingDivisor(bindingindex=%u > "
+ "GL_MAX_VERTEX_ATTRIB_BINDINGS)",
+ bindingIndex);
+ return;
+ }
+
+ vertex_binding_divisor(ctx, VERT_ATTRIB_GENERIC(bindingIndex), divisor);
}
@@ -1296,7 +1676,36 @@ _mesa_copy_client_array(struct gl_context *ctx,
dst->_MaxElement = src->_MaxElement;
}
+void
+_mesa_copy_vertex_attrib_array(struct gl_context *ctx,
+ struct gl_vertex_attrib_array *dst,
+ const struct gl_vertex_attrib_array *src)
+{
+ dst->Size = src->Size;
+ dst->Type = src->Type;
+ dst->Format = src->Format;
+ dst->VertexBinding = src->VertexBinding;
+ dst->RelativeOffset = src->RelativeOffset;
+ dst->Format = src->Format;
+ dst->Integer = src->Integer;
+ dst->Normalized = src->Normalized;
+ dst->Ptr = src->Ptr;
+ dst->Enabled = src->Enabled;
+ dst->_ElementSize = src->_ElementSize;
+}
+
+void
+_mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
+ struct gl_vertex_buffer_binding *dst,
+ const struct gl_vertex_buffer_binding *src)
+{
+ dst->Offset = src->Offset;
+ dst->Stride = src->Stride;
+ dst->InstanceDivisor = src->InstanceDivisor;
+ dst->_BoundArrays = src->_BoundArrays;
+ _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
+}
/**
* Print vertex array's fields.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 01:59:42 +0000