X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fvertexsetup.cpp;h=75d3ad8bc11017966d249adbe4762e2b235cab0f;hp=f077ad2e00260ac675efcd191a214b8820eb3554;hb=3a1b9cbe2441ae670a97541dc8ccb0a2860c8302;hpb=9b3bce7ae76ff8c0c81315d2505ea96bf422a318

diff --git a/source/core/vertexsetup.cpp b/source/core/vertexsetup.cpp
index f077ad2e..75d3ad8b 100644
--- a/source/core/vertexsetup.cpp
+++ b/source/core/vertexsetup.cpp
@@ -5,6 +5,7 @@
 #include <msp/gl/extensions/arb_vertex_attrib_binding.h>
 #include <msp/gl/extensions/arb_vertex_buffer_object.h>
 #include <msp/gl/extensions/arb_vertex_shader.h>
+#include <msp/gl/extensions/ext_gpu_shader4.h>
 #include <msp/gl/extensions/khr_debug.h>
 #include "buffer.h"
 #include "deviceinfo.h"
@@ -23,7 +24,8 @@ VertexSetup::VertexSetup():
 	dirty(0),
 	vertex_array(0),
 	inst_array(0),
-	index_buffer(0)
+	index_buffer(0),
+	index_type(UNSIGNED_SHORT)
 {
 	static Require req(ARB_vertex_array_object);
 	if(ARB_direct_state_access)
@@ -44,6 +46,8 @@ void VertexSetup::set_format(const VertexFormat &vfmt)
 	if(!vertex_format.empty())
 		throw invalid_operation("VertexSetup::set_format");
 
+	require_format(vfmt);
+
 	vertex_format = vfmt;
 }
 
@@ -54,6 +58,9 @@ void VertexSetup::set_format_instanced(const VertexFormat &vfmt, const VertexFor
 	if(!vertex_format.empty())
 		throw invalid_operation("VertexSetup::set_format");
 
+	require_format(vfmt);
+	require_format(ifmt);
+
 	vertex_format = vfmt;
 	inst_format = ifmt;
 }
@@ -86,9 +93,10 @@ void VertexSetup::set_instance_array(const VertexArray &a)
 	dirty |= INSTANCE_ARRAY;
 }
 
-void VertexSetup::set_index_buffer(const Buffer &ibuf)
+void VertexSetup::set_index_buffer(const Buffer &ibuf, DataType itype)
 {
 	index_buffer = &ibuf;
+	index_type = itype;
 	dirty |= INDEX_BUFFER;
 }
 
@@ -99,13 +107,23 @@ bool VertexSetup::verify_format(const VertexFormat &fmt)
 
 	unsigned max_attribs = Limits::get_global().max_vertex_attributes;
 
-	for(const unsigned char *a=fmt.begin(); a!=fmt.end(); ++a)
+	for(const uint16_t *a=fmt.begin(); a!=fmt.end(); ++a)
 		if(get_attribute_semantic(*a)>=max_attribs)
 			return false;
 
 	return true;
 }
 
+void VertexSetup::require_format(const VertexFormat &fmt)
+{
+	bool has_int = false;
+	for(const uint16_t *a=fmt.begin(); a!=fmt.end(); ++a)
+		has_int = has_int | is_integer_attribute(*a);
+
+	if(has_int)
+		static Require _req(EXT_gpu_shader4);
+}
+
 void VertexSetup::update() const
 {
 	static bool direct = ARB_direct_state_access && ARB_vertex_attrib_binding;
@@ -130,10 +148,13 @@ void VertexSetup::update() const
 void VertexSetup::update_vertex_array(const VertexArray &array, unsigned binding, unsigned divisor, bool direct) const
 {
 	if(!direct)
+	{
+		Buffer::unbind_scratch();
 		glBindBuffer(GL_ARRAY_BUFFER, array.get_buffer()->get_id());
+	}
 
 	const VertexFormat &fmt = array.get_format();
-	unsigned stride = fmt.stride()*sizeof(float);
+	unsigned stride = fmt.stride();
 	if(direct)
 	{
 		glVertexArrayVertexBuffer(id, binding, array.get_buffer()->get_id(), 0, stride);
@@ -141,30 +162,32 @@ void VertexSetup::update_vertex_array(const VertexArray &array, unsigned binding
 	}
 
 	unsigned offset = 0;
-	for(const unsigned char *a=fmt.begin(); a!=fmt.end(); ++a)
+	for(const uint16_t *a=fmt.begin(); a!=fmt.end(); ++a)
 	{
 		unsigned sem = get_attribute_semantic(*a);
-		unsigned sz = get_attribute_size(*a);
+		bool integer = is_integer_attribute(*a);
+		GLenum type = get_gl_type(get_attribute_source_type(*a));
+		unsigned cc = get_attribute_component_count(*a);
 		if(direct)
 		{
-			if(*a==COLOR4_UBYTE)
-				glVertexArrayAttribFormat(id, sem, 4, GL_UNSIGNED_BYTE, true, offset);
+			if(integer)
+				glVertexArrayAttribIFormat(id, sem, cc, type, offset);
 			else
-				glVertexArrayAttribFormat(id, sem, sz, GL_FLOAT, false, offset);
+				glVertexArrayAttribFormat(id, sem, cc, type, true, offset);
 			glVertexArrayAttribBinding(id, sem, binding);
 			glEnableVertexArrayAttrib(id, sem);
 		}
 		else
 		{
-			if(*a==COLOR4_UBYTE)
-				glVertexAttribPointer(sem, 4, GL_UNSIGNED_BYTE, true, stride, reinterpret_cast<unsigned char *>(offset));
+			if(integer)
+				glVertexAttribIPointer(sem, cc, type, stride, reinterpret_cast<void *>(offset));
 			else
-				glVertexAttribPointer(sem, sz, GL_FLOAT, false, stride, reinterpret_cast<float *>(offset));
+				glVertexAttribPointer(sem, cc, type, true, stride, reinterpret_cast<void *>(offset));
 			if(ARB_instanced_arrays)
 				glVertexAttribDivisor(sem, divisor);
 			glEnableVertexAttribArray(sem);
 		}
-		offset += sz*sizeof(float);
+		offset += get_attribute_size(*a);
 	}
 
 	if(!direct)
@@ -184,13 +207,13 @@ void VertexSetup::unload()
 		glBindVertexArray(id);
 		glBindBuffer(GL_ARRAY_BUFFER, 0);
 
-		for(const unsigned char *a=vertex_format.begin(); a!=vertex_format.end(); ++a)
+		for(const uint16_t *a=vertex_format.begin(); a!=vertex_format.end(); ++a)
 		{
 			unsigned sem = get_attribute_semantic(*a);
 			glDisableVertexAttribArray(sem);
 			glVertexAttribPointer(sem, 1, GL_FLOAT, false, 0, 0);
 		}
-		for(const unsigned char *a=inst_format.begin(); a!=inst_format.end(); ++a)
+		for(const uint16_t *a=inst_format.begin(); a!=inst_format.end(); ++a)
 		{
 			unsigned sem = get_attribute_semantic(*a);
 			glDisableVertexAttribArray(sem);