summaryrefslogtreecommitdiff
path: root/src/mesa/main/varray.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main/varray.c')
-rw-r--r--src/mesa/main/varray.c115
1 files changed, 74 insertions, 41 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 2728b38226..cfed4b506a 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -33,6 +33,7 @@
#include "hash.h"
#include "image.h"
#include "macros.h"
+#include "mfeatures.h"
#include "mtypes.h"
#include "varray.h"
#include "arrayobj.h"
@@ -127,8 +128,8 @@ update_array(struct gl_context *ctx,
GLsizei elementSize;
GLenum format = GL_RGBA;
- if (ctx->API != API_OPENGLES) {
- /* fixed point arrays / data is only allowed with OpenGL ES 1.x */
+ if (ctx->API != API_OPENGLES && ctx->API != API_OPENGLES2) {
+ /* fixed point arrays / data is only allowed with OpenGL ES 1.x/2.0 */
legalTypesMask &= ~FIXED_BIT;
}
@@ -507,7 +508,7 @@ get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
{
const struct gl_client_array *array;
- if (index >= MAX_VERTEX_GENERIC_ATTRIBS) {
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index);
return 0;
}
@@ -533,14 +534,41 @@ get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
if (ctx->Extensions.EXT_gpu_shader4) {
return array->Integer;
}
- /* fall-through */
+ goto error;
+ case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
+ if (ctx->Extensions.ARB_instanced_arrays) {
+ return array->InstanceDivisor;
+ }
+ goto error;
default:
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
- return 0;
+ ; /* fall-through */
}
+
+error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
+ return 0;
}
+static const GLfloat *
+get_current_attrib(struct gl_context *ctx, GLuint index, const char *function)
+{
+ if (index == 0) {
+ if (ctx->API != API_OPENGLES2) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function);
+ return NULL;
+ }
+ }
+ else if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function);
+ return NULL;
+ }
+
+ FLUSH_CURRENT(ctx, 0);
+ return ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
+}
+
void GLAPIENTRY
_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
{
@@ -548,13 +576,8 @@ _mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribfv(index==0)");
- }
- else {
- const GLfloat *v = ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
- FLUSH_CURRENT(ctx, 0);
+ const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv");
+ if (v != NULL) {
COPY_4V(params, v);
}
}
@@ -572,13 +595,8 @@ _mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribdv(index==0)");
- }
- else {
- const GLfloat *v = ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
- FLUSH_CURRENT(ctx, 0);
+ const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv");
+ if (v != NULL) {
params[0] = (GLdouble) v[0];
params[1] = (GLdouble) v[1];
params[2] = (GLdouble) v[2];
@@ -599,13 +617,8 @@ _mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribiv(index==0)");
- }
- else {
- const GLfloat *v = ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
- FLUSH_CURRENT(ctx, 0);
+ const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv");
+ if (v != NULL) {
/* XXX should floats in[0,1] be scaled to full int range? */
params[0] = (GLint) v[0];
params[1] = (GLint) v[1];
@@ -628,13 +641,9 @@ _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribIiv(index==0)");
- }
- else {
- const GLfloat *v = ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
- FLUSH_CURRENT(ctx, 0);
+ const GLfloat *v =
+ get_current_attrib(ctx, index, "glGetVertexAttribIiv");
+ if (v != NULL) {
/* XXX we don't have true integer-valued vertex attribs yet */
params[0] = (GLint) v[0];
params[1] = (GLint) v[1];
@@ -657,13 +666,9 @@ _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- if (index == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetVertexAttribIuiv(index==0)");
- }
- else {
- const GLfloat *v = ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
- FLUSH_CURRENT(ctx, 0);
+ const GLfloat *v =
+ get_current_attrib(ctx, index, "glGetVertexAttribIuiv");
+ if (v != NULL) {
/* XXX we don't have true integer-valued vertex attribs yet */
params[0] = (GLuint) v[0];
params[1] = (GLuint) v[1];
@@ -1065,6 +1070,33 @@ _mesa_PrimitiveRestartIndex(GLuint index)
/**
+ * See GL_ARB_instanced_arrays.
+ * Note that the instance divisor only applies to generic arrays, not
+ * the legacy vertex arrays.
+ */
+void GLAPIENTRY
+_mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (!ctx->Extensions.ARB_instanced_arrays) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
+ return;
+ }
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)",
+ index);
+ return;
+ }
+
+ ctx->Array.ArrayObj->VertexAttrib[index].InstanceDivisor = divisor;
+}
+
+
+
+/**
* Copy one client vertex array to another.
*/
void
@@ -1081,6 +1113,7 @@ _mesa_copy_client_array(struct gl_context *ctx,
dst->Enabled = src->Enabled;
dst->Normalized = src->Normalized;
dst->Integer = src->Integer;
+ dst->InstanceDivisor = src->InstanceDivisor;
dst->_ElementSize = src->_ElementSize;
_mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
dst->_MaxElement = src->_MaxElement;
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-03 21:28:17 +0000