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authormarha <marha@users.sourceforge.net>2013-10-31 08:40:01 +0100
committermarha <marha@users.sourceforge.net>2013-10-31 08:40:01 +0100
commite4ef724e06621be9325fc41ed886fd404467fdc0 (patch)
treebe445314647f682fbb4a1e8b94aeb6ee79cede5f /mesalib/src/mesa/main/bufferobj.c
parent270d3a1aa4137dc15d7b7e5a0958cc8c0bef9a1a (diff)
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fontconfig glproto libX11 mesa xserver xkeyboard-config git update 31 oct 2013
xserver commit 902ff0b3497d202b86bf9a411e17db7b694d6eaa xkeyboard-config commit 70bbf18d6cddb7271db1b2e042765ace3c4ac485 libX11 commit 6cb02b166361200da35ba14f52cd9aaa493eb0ea glproto commit aacc7a51b6161c765b04524e0d2ab31e5e586834 fontconfig commit 525a135ccf53e4bf3363c3143d9cfdf15fba55ab mesa commit b16b3c8703f198ca0f025b730d582600df79c19c
Diffstat (limited to 'mesalib/src/mesa/main/bufferobj.c')
-rw-r--r--mesalib/src/mesa/main/bufferobj.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c
index 312ffb788..1f5506157 100644
--- a/mesalib/src/mesa/main/bufferobj.c
+++ b/mesalib/src/mesa/main/bufferobj.c
@@ -102,6 +102,11 @@ get_buffer_target(struct gl_context *ctx, GLenum target)
return &ctx->UniformBuffer;
}
break;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ if (ctx->Extensions.ARB_shader_atomic_counters) {
+ return &ctx->AtomicBuffer;
+ }
+ break;
default:
return NULL;
}
@@ -2119,6 +2124,51 @@ bind_buffer_base_uniform_buffer(struct gl_context *ctx,
set_ubo_binding(ctx, index, bufObj, 0, 0, GL_TRUE);
}
+static void
+set_atomic_buffer_binding(struct gl_context *ctx,
+ unsigned index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size,
+ const char *name)
+{
+ struct gl_atomic_buffer_binding *binding;
+
+ if (index >= ctx->Const.MaxAtomicBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%d)", name, index);
+ return;
+ }
+
+ if (offset & (ATOMIC_COUNTER_SIZE - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(offset misalgned %d/%d)", name, (int) offset,
+ ATOMIC_COUNTER_SIZE);
+ return;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj);
+
+ binding = &ctx->AtomicBufferBindings[index];
+ if (binding->BufferObject == bufObj &&
+ binding->Offset == offset &&
+ binding->Size == size) {
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer;
+
+ _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
+
+ if (bufObj == ctx->Shared->NullBufferObj) {
+ binding->Offset = -1;
+ binding->Size = -1;
+ } else {
+ binding->Offset = offset;
+ binding->Size = size;
+ }
+}
+
void GLAPIENTRY
_mesa_BindBufferRange(GLenum target, GLuint index,
GLuint buffer, GLintptr offset, GLsizeiptr size)
@@ -2156,6 +2206,10 @@ _mesa_BindBufferRange(GLenum target, GLuint index,
case GL_UNIFORM_BUFFER:
bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size);
return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ set_atomic_buffer_binding(ctx, index, bufObj, offset, size,
+ "glBindBufferRange");
+ return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)");
return;
@@ -2215,6 +2269,10 @@ _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer)
case GL_UNIFORM_BUFFER:
bind_buffer_base_uniform_buffer(ctx, index, bufObj);
return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ set_atomic_buffer_binding(ctx, index, bufObj, 0, 0,
+ "glBindBufferBase");
+ return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)");
return;