*
**************************************************************************/
+/*
+ * Auxiliary functions to compute the size of array/blob arguments, depending.
+ *
+ * Some of these functions were semi-automatically generated with
+ * apigen/glsize.py script from Mesa's XML description of the GL enums.
+ *
+ * Other functions were done by hand.
+ */
+
#ifndef _GL_HELPERS_HPP_
#define _GL_HELPERS_HPP_
-#include <cassert>
-
+#include "os.hpp"
#include "glimports.hpp"
static inline size_t
-__glCallLists_size(GLsizei n, GLenum type)
+__gl_type_size(GLenum type)
{
- size_t bytes;
- switch(type) {
+ switch (type) {
+ case GL_BOOL:
case GL_BYTE:
case GL_UNSIGNED_BYTE:
- bytes = 1;
- break;
+ return 1;
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_2_BYTES:
case GL_HALF_FLOAT:
- bytes = 2;
- break;
+ return 2;
case GL_3_BYTES:
- bytes = 3;
- break;
+ return 3;
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
case GL_4_BYTES:
- bytes = 4;
- break;
+ return 4;
+ case GL_DOUBLE:
+ return 8;
default:
- assert(0);
- bytes = 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
+ return 0;
}
+}
+
+static inline size_t
+__glArrayPointer_size(GLint size, GLenum type, GLsizei stride, GLsizei maxIndex)
+{
+ size_t elementSize = size*__gl_type_size(type);
+ if (!stride) {
+ stride = (GLsizei)elementSize;
+ }
+ return stride*maxIndex + elementSize;
+}
- return n*bytes;
+#define __glVertexPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glNormalPointer_size(type, stride, maxIndex) __glArrayPointer_size(3, type, stride, maxIndex)
+#define __glColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glIndexPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
+#define __glTexCoordPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glEdgeFlagPointer_size(stride, maxIndex) __glArrayPointer_size(1, GL_BOOL, stride, maxIndex)
+#define __glFogCoordPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
+#define __glSecondaryColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+#define __glVertexAttribPointer_size(size, type, normalized, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
+
+static inline GLuint
+__glDrawArrays_maxindex(GLint first, GLsizei count)
+{
+ return first + count - 1;
+}
+
+static inline GLuint
+__glDrawElements_maxindex(GLsizei count, GLenum type, const GLvoid *indices)
+{
+ GLvoid *temp = 0;
+ GLint __element_array_buffer = 0;
+ __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);
+ if (__element_array_buffer) {
+ // Read indices from index buffer object
+ GLintptr offset = (GLintptr)indices;
+ GLsizeiptr size = count*__gl_type_size(type);
+ GLvoid *temp = malloc(size);
+ if (!temp) {
+ return 0;
+ }
+ memset(temp, 0, size);
+ __glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
+ indices = temp;
+ } else {
+ if (!indices) {
+ return 0;
+ }
+ }
+
+ GLuint maxindex = 0;
+ GLsizei i;
+ if (type == GL_UNSIGNED_BYTE) {
+ const GLubyte *p = (const GLubyte *)indices;
+ for (i = 0; i < count; ++i) {
+ if (p[i] > maxindex) {
+ maxindex = p[i];
+ }
+ }
+ } else if (type == GL_UNSIGNED_SHORT) {
+ const GLushort *p = (const GLushort *)indices;
+ for (i = 0; i < count; ++i) {
+ if (p[i] > maxindex) {
+ maxindex = p[i];
+ }
+ }
+ } else if (type == GL_UNSIGNED_INT) {
+ const GLuint *p = (const GLuint *)indices;
+ for (i = 0; i < count; ++i) {
+ if (p[i] > maxindex) {
+ maxindex = p[i];
+ }
+ }
+ } else {
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
+ }
+
+ if (__element_array_buffer) {
+ free(temp);
+ }
+
+ return maxindex;
+}
+
+static inline GLuint
+__glDrawRangeElements_maxindex(GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid * indices)
+{
+ (void)start;
+ (void)end;
+ return __glDrawElements_maxindex(count, type, indices);
+}
+
+static inline size_t
+__glCallLists_size(GLsizei n, GLenum type)
+{
+ return n*__gl_type_size(type);
}
static inline size_t
case GL_FOG_COLOR:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_POSITION:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_LIGHT_MODEL_AMBIENT:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_AMBIENT_AND_DIFFUSE:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_POST_TEXTURE_FILTER_SCALE_SGIX:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_TEXTURE_ENV_COLOR:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_EYE_PLANE:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_MAP1_VERTEX_4:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_MAP2_VERTEX_4:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_DEPTH_BOUNDS_TEST_EXT:
case GL_ARRAY_BUFFER_BINDING_ARB:
case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
+ case GL_PIXEL_PACK_BUFFER_BINDING:
+ case GL_PIXEL_UNPACK_BUFFER_BINDING:
case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
case GL_RGBA_INTEGER_MODE_EXT:
return __glGetBooleanv_variable_size(pname);
#endif
+ case GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:
+ case GL_MAX_VERTEX_UNIFORM_COMPONENTS:
+ case GL_MAX_VARYING_FLOATS:
+ case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+ case GL_MAX_GEOMETRY_UNIFORM_COMPONENTS:
+ case GL_MAX_GEOMETRY_OUTPUT_VERTICES:
+ case GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
+ return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
#define __glGetIntegerv_size __glGetBooleanv_size
+#define __glGetInteger64v_size __glGetBooleanv_size
+
#define __glGetLightfv_size __glLightfv_size
#define __glGetLightiv_size __glLightfv_size
case GL_POST_TEXTURE_FILTER_SCALE_SGIX:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
/* case GL_TEXTURE_STENCIL_SIZE_EXT:*/
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_COLOR_TABLE_BIAS:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_COLOR_TABLE_BIAS:
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
/* case GL_CONVOLUTION_BORDER_COLOR_HP:*/
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
/* case GL_CONVOLUTION_BORDER_COLOR_HP:*/
return 4;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_HISTOGRAM_SINK:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_MINMAX_SINK:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_MAX_PROGRAM_LOOP_COUNT_NV:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_QUERY_RESULT_AVAILABLE_ARB:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_CURRENT_QUERY_ARB:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
/* case GL_POINT_DISTANCE_ATTENUATION_SGIS:*/
return 3;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
+#define __glPointParameterfv_size __glPointParameterfvEXT_size
+#define __glPointParameteriv_size __glPointParameterfvEXT_size
+#define __glPointParameterfvARB_size __glPointParameterfvEXT_size
+#define __glPointParameterivNV_size __glPointParameterfvEXT_size
+
static inline size_t
__glGetProgramivNV_size(GLenum pname)
{
case GL_PROGRAM_RESIDENT_NV:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
case GL_CURRENT_ATTRIB_NV:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
#define __glGetVertexAttribivNV_size __glGetVertexAttribdvNV_size
-#define __glPointParameterivNV_size __glPointParameterfvEXT_size
-
static inline size_t
__glGetFramebufferAttachmentParameterivEXT_size(GLenum pname)
{
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
return 1;
default:
- assert(0);
- return 0;
+ OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
+ return 1;
}
}
+#define __glGetFramebufferAttachmentParameteriv_size __glGetFramebufferAttachmentParameterivEXT_size
+
static inline size_t
-__gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLint border) {
- size_t num_channels;
+__gl_format_channels(GLenum format) {
switch (format) {
case GL_COLOR_INDEX:
case GL_RED:
case GL_BLUE:
case GL_ALPHA:
case GL_INTENSITY:
+ case GL_LUMINANCE:
case GL_DEPTH_COMPONENT:
case GL_STENCIL_INDEX:
- num_channels = 1;
+ return 1;
break;
case GL_LUMINANCE_ALPHA:
- num_channels = 2;
+ return 2;
break;
case GL_RGB:
case GL_BGR:
- num_channels = 3;
+ return 3;
break;
case GL_RGBA:
case GL_BGRA:
- num_channels = 4;
+ return 4;
break;
default:
- assert(0);
- num_channels = 0;
+ OS::DebugMessage("warning: %s: unexpected format GLenum 0x%04X\n", __FUNCTION__, format);
+ return 0;
break;
}
+}
+
+static inline size_t
+__glTexImage3D_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLint border) {
+ size_t num_channels = __gl_format_channels(format);
size_t bits_per_pixel;
switch (type) {
bits_per_pixel = 32;
break;
default:
- assert(0);
+ OS::DebugMessage("warning: %s: unexpected type GLenum 0x%04X\n", __FUNCTION__, type);
bits_per_pixel = 0;
break;
}
return depth*slice_stride;
}
+#define __glTexImage2D_size(format, type, width, height, border) __glTexImage3D_size(format, type, width, height, 1, border)
+#define __glTexImage1D_size(format, type, width, border) __glTexImage3D_size(format, type, width, 1, 1, border)
+
+#define __glTexSubImage3D_size(format, type, width, height, depth) __glTexImage3D_size(format, type, width, height, depth, 0)
+#define __glTexSubImage2D_size(format, type, width, height) __glTexImage2D_size(format, type, width, height, 0)
+#define __glTexSubImage1D_size(format, type, width) __glTexImage1D_size(format, type, width, 0)
+
+#define __glTexImage3DEXT_size __glTexImage3D_size
+#define __glTexImage2DEXT_size __glTexImage2D_size
+#define __glTexImage1DEXT_size __glTexImage1D_size
+#define __glTexSubImage3DEXT_size __glTexSubImage3D_size
+#define __glTexSubImage2DEXT_size __glTexSubImage2D_size
+#define __glTexSubImage1DEXT_size __glTexSubImage1D_size
+
+#define __glDrawPixels_size(format, type, width, height) __glTexImage2D_size(format, type, width, height, 0)
+
+#define __glBitmap_size(width, height) __glTexImage2D_size(GL_COLOR_INDEX, GL_BITMAP, width, height, 0)
+#define __glPolygonStipple_size() __glBitmap_size(32, 32)
+
+
+/*
+ * 0 terminated integer/float attribute list.
+ */
+template<class T>
static inline size_t
-__gl_bitmap_size(GLsizei width, GLsizei height) {
- return __gl_image_size(GL_COLOR_INDEX, GL_BITMAP, width, height, 1, 0);
+__AttribList_size(const T *pAttribList)
+{
+ size_t size = 0;
+
+ if (pAttribList) {
+ do {
+ ++size;
+ } while (*pAttribList++);
+ }
+
+ return size;
}
+
#endif /* _GL_HELPERS_HPP_ */
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