#include <string.h>
+#include <algorithm>
+
#include "os.hpp"
#include "glimports.hpp"
return 0;
}
+ if (size == GL_BGRA) {
+ size = 4;
+ }
+
+ if (size > 4) {
+ os::log("apitrace: warning: %s: unexpected size 0x%04X\n", __FUNCTION__, size);
+ }
+
size_t elementSize = size*_gl_type_size(type);
if (!stride) {
stride = (GLsizei)elementSize;
#define _glVertexAttribPointerARB_size(size, type, normalized, stride, count) _glArrayPointer_size(size, type, stride, count)
#define _glVertexAttribPointerNV_size(size, type, stride, count) _glArrayPointer_size(size, type, stride, count)
+/**
+ * Same as glGetIntegerv, but passing the result in the return value.
+ */
+static inline GLint
+_glGetInteger(GLenum pname) {
+ GLint param = 0;
+ _glGetIntegerv(pname, ¶m);
+ return param;
+}
+
+static inline GLint
+_element_array_buffer_binding(void) {
+ return _glGetInteger(GL_ELEMENT_ARRAY_BUFFER_BINDING);
+}
+
static inline GLuint
_glDrawArrays_count(GLint first, GLsizei count)
{
#define _glDrawArraysEXT_count _glDrawArrays_count
+/* Forward declaration for definition in gltrace.py */
+void
+_shadow_glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size,
+ GLvoid *data);
+
static inline GLuint
_glDrawElementsBaseVertex_count(GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
{
GLvoid *temp = 0;
- GLint element_array_buffer = 0;
if (!count) {
return 0;
}
- _glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &element_array_buffer);
+ GLint element_array_buffer = _element_array_buffer_binding();
if (element_array_buffer) {
// Read indices from index buffer object
GLintptr offset = (GLintptr)indices;
return 0;
}
memset(temp, 0, size);
- _glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
+ _shadow_glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
indices = temp;
} else {
if (!indices) {
}
static inline GLuint
-_glMultiDrawArrays_count(const GLint *first, const GLsizei *count, GLsizei primcount) {
+_glMultiDrawArrays_count(const GLint *first, const GLsizei *count, GLsizei drawcount) {
GLuint _count = 0;
- for (GLsizei prim = 0; prim < primcount; ++prim) {
- GLuint _count_prim = _glDrawArrays_count(first[prim], count[prim]);
- _count = std::max(_count, _count_prim);
+ for (GLsizei draw = 0; draw < drawcount; ++draw) {
+ GLuint _count_draw = _glDrawArrays_count(first[draw], count[draw]);
+ _count = std::max(_count, _count_draw);
}
return _count;
}
static inline GLuint
-_glMultiDrawElements_count(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) {
+_glMultiDrawElements_count(const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount) {
GLuint _count = 0;
- for (GLsizei prim = 0; prim < primcount; ++prim) {
- GLuint _count_prim = _glDrawElements_count(count[prim], type, indices[prim]);
- _count = std::max(_count, _count_prim);
+ for (GLsizei draw = 0; draw < drawcount; ++draw) {
+ GLuint _count_draw = _glDrawElements_count(count[draw], type, indices[draw]);
+ _count = std::max(_count, _count_draw);
}
return _count;
}
static inline GLuint
-_glMultiDrawElementsBaseVertex_count(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount, const GLint * basevertex) {
+_glMultiDrawElementsBaseVertex_count(const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount, const GLint * basevertex) {
GLuint _count = 0;
- for (GLsizei prim = 0; prim < primcount; ++prim) {
- GLuint _count_prim = _glDrawElementsBaseVertex_count(count[prim], type, indices[prim], basevertex[prim]);
- _count = std::max(_count, _count_prim);
+ for (GLsizei draw = 0; draw < drawcount; ++draw) {
+ GLuint _count_draw = _glDrawElementsBaseVertex_count(count[draw], type, indices[draw], basevertex[draw]);
+ _count = std::max(_count, _count_draw);
}
return _count;
}
#define _glMultiDrawArraysEXT_count _glMultiDrawArrays_count
#define _glMultiDrawElementsEXT_count _glMultiDrawElements_count
-#define _glMultiModeDrawArraysIBM_count(first, count, primcount, modestride) _glMultiDrawArrays_count(first, count, primcount)
-#define _glMultiModeDrawElementsIBM_count(count, type, indices, primcount, modestride) _glMultiDrawElements_count(count, type, (const GLvoid **)indices, primcount)
+#define _glMultiModeDrawArraysIBM_count(first, count, drawcount, modestride) _glMultiDrawArrays_count(first, count, drawcount)
+#define _glMultiModeDrawElementsIBM_count(count, type, indices, drawcount, modestride) _glMultiDrawElements_count(count, type, (const GLvoid **)indices, drawcount)
static inline size_t
return (x + (y - 1)) & ~(y - 1);
}
-static inline size_t
-_gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLboolean has_unpack_subimage) {
+static inline void
+_gl_format_size(GLenum format, GLenum type,
+ unsigned & bits_per_element, unsigned & bits_per_pixel)
+{
unsigned num_channels = _gl_format_channels(format);
- unsigned bits_per_pixel;
switch (type) {
case GL_BITMAP:
- bits_per_pixel = 1;
+ bits_per_pixel = bits_per_element = 1;
break;
case GL_BYTE:
case GL_UNSIGNED_BYTE:
- bits_per_pixel = 8 * num_channels;
+ bits_per_element = 8;
+ bits_per_pixel = bits_per_element * num_channels;
break;
case GL_SHORT:
case GL_UNSIGNED_SHORT:
case GL_HALF_FLOAT:
- bits_per_pixel = 16 * num_channels;
+ bits_per_element = 16;
+ bits_per_pixel = bits_per_element * num_channels;
break;
case GL_INT:
case GL_UNSIGNED_INT:
case GL_FLOAT:
- bits_per_pixel = 32 * num_channels;
+ bits_per_element = 32;
+ bits_per_pixel = bits_per_element * num_channels;
break;
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
- bits_per_pixel = 8;
+ bits_per_pixel = bits_per_element = 8;
break;
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
case GL_UNSIGNED_SHORT_5_6_5_REV:
case GL_UNSIGNED_SHORT_8_8_MESA:
case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- bits_per_pixel = 16;
+ bits_per_pixel = bits_per_element = 16;
break;
case GL_UNSIGNED_INT_8_8_8_8:
case GL_UNSIGNED_INT_8_8_8_8_REV:
case GL_UNSIGNED_INT_5_9_9_9_REV:
case GL_UNSIGNED_INT_S8_S8_8_8_NV:
case GL_UNSIGNED_INT_8_8_S8_S8_REV_NV:
- bits_per_pixel = 32;
+ bits_per_pixel = bits_per_element = 32;
break;
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
- bits_per_pixel = 64;
+ bits_per_pixel = bits_per_element = 64;
break;
default:
os::log("apitrace: warning: %s: unexpected type GLenum 0x%04X\n", __FUNCTION__, type);
- bits_per_pixel = 0;
+ bits_per_pixel = bits_per_element = 0;
break;
}
+}
+
+static inline size_t
+_glClearBufferData_size(GLenum format, GLenum type) {
+ unsigned bits_per_element;
+ unsigned bits_per_pixel;
+ _gl_format_size(format, type, bits_per_element, bits_per_pixel);
+ return (bits_per_pixel + 7)/8;
+}
+
+static inline size_t
+_gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLboolean has_unpack_subimage) {
+
+ unsigned bits_per_element;
+ unsigned bits_per_pixel;
+ _gl_format_size(format, type, bits_per_element, bits_per_pixel);
GLint alignment = 4;
GLint row_length = 0;
size_t row_stride = (row_length*bits_per_pixel + 7)/8;
- if ((GLint)bits_per_pixel < alignment*8 &&
- (bits_per_pixel & 7) == 0 &&
- _is_pot(bits_per_pixel)) {
+ if ((bits_per_element == 1*8 ||
+ bits_per_element == 2*8 ||
+ bits_per_element == 4*8 ||
+ bits_per_element == 8*8) &&
+ (GLint)bits_per_element < alignment*8) {
row_stride = _align(row_stride, alignment);
}
}
}
+
+/**
+ * Helper function for determining the string lengths for glShaderSource and
+ * glShaderSourceARB, which is a tad too complex to inline in the specs.
+ */
+template<class T>
+static inline size_t
+_glShaderSource_length(const T * const * string, const GLint *length, GLsizei index)
+{
+ if (length != NULL && length[index] >= 0) {
+ return (size_t)length[index];
+ } else {
+ return strlen(string[index]);
+ }
+}
+
/*
* attribute list, terminated by the given terminator.
*/