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Add GLESv2 functionality to GLESv1/GLESv2 shared code

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Extends GLClientState to support additional state data
that is required by GLESv2. this includes:
* normalized flag in vertex attribute arrays
* getter for vertex attribute arrays state
* glParamSize now knows about the result size of GL2 parameters
* utility functions required for a GLESv2 encoder

Change-Id: I7e57d978bed5b8b929b918aee66c7f71dc5df3b1
This commit is contained in:
Jacky Romano
2011-04-11 18:21:28 +03:00
parent 3c2aa9b931
commit 254492ffd6
5 changed files with 122 additions and 13 deletions
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60
tools/emulator/opengl/shared/OpenglCodecCommon/glUtils.cpp
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@@ -49,6 +49,7 @@ size_t glUtilsParamSize(GLenum param)
switch(param)
{
case GL_DEPTH_FUNC:
case GL_DEPTH_BITS:
case GL_MAX_CLIP_PLANES:
case GL_GREEN_BITS:
@@ -158,9 +159,16 @@ size_t glUtilsParamSize(GLenum param)
case GL_STENCIL_FUNC:
case GL_STENCIL_TEST:
case GL_STENCIL_VALUE_MASK:
case GL_SUBPIXEL_BITS:
case GL_STENCIL_BACK_FUNC:
case GL_STENCIL_BACK_VALUE_MASK:
case GL_STENCIL_BACK_REF:
case GL_STENCIL_BACK_FAIL:
case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
case GL_STENCIL_BACK_PASS_DEPTH_PASS:
case GL_STENCIL_BACK_WRITEMASK:
case GL_TEXTURE_2D:
case GL_TEXTURE_BINDING_2D:
case GL_TEXTURE_BINDING_CUBE_MAP:
case GL_TEXTURE_COORD_ARRAY:
case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING:
case GL_TEXTURE_COORD_ARRAY_SIZE:
@@ -178,6 +186,7 @@ size_t glUtilsParamSize(GLenum param)
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
case GL_GENERATE_MIPMAP:
case GL_GENERATE_MIPMAP_HINT:
case GL_RENDERBUFFER_WIDTH_OES:
case GL_RENDERBUFFER_HEIGHT_OES:
case GL_RENDERBUFFER_INTERNAL_FORMAT_OES:
@@ -187,6 +196,8 @@ size_t glUtilsParamSize(GLenum param)
case GL_RENDERBUFFER_ALPHA_SIZE_OES:
case GL_RENDERBUFFER_DEPTH_SIZE_OES:
case GL_RENDERBUFFER_STENCIL_SIZE_OES:
case GL_RENDERBUFFER_BINDING:
case GL_FRAMEBUFFER_BINDING:
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_OES:
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_OES:
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_OES:
@@ -210,6 +221,28 @@ size_t glUtilsParamSize(GLenum param)
case GL_BLEND_DST_ALPHA_OES:
case GL_BLEND_SRC_ALPHA_OES:
case GL_MAX_LIGHTS:
case GL_SHADER_TYPE:
case GL_DELETE_STATUS:
case GL_COMPILE_STATUS:
case GL_INFO_LOG_LENGTH:
case GL_SHADER_SOURCE_LENGTH:
case GL_CURRENT_PROGRAM:
case GL_LINK_STATUS:
case GL_VALIDATE_STATUS:
case GL_ATTACHED_SHADERS:
case GL_ACTIVE_UNIFORMS:
case GL_ACTIVE_ATTRIBUTES:
case GL_SUBPIXEL_BITS:
case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
case GL_NUM_SHADER_BINARY_FORMATS:
case GL_SHADER_COMPILER:
case GL_MAX_VERTEX_ATTRIBS:
case GL_MAX_VERTEX_UNIFORM_VECTORS:
case GL_MAX_VARYING_VECTORS:
case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
case GL_MAX_RENDERBUFFER_SIZE:
s = 1;
break;
case GL_ALIASED_LINE_WIDTH_RANGE:
@@ -225,6 +258,7 @@ size_t glUtilsParamSize(GLenum param)
case GL_CURRENT_NORMAL:
s = 3;
break;
case GL_CURRENT_VERTEX_ATTRIB:
case GL_CURRENT_TEXTURE_COORDS:
case GL_CURRENT_COLOR:
case GL_FOG_COLOR:
@@ -247,7 +281,7 @@ size_t glUtilsParamSize(GLenum param)
case GL_PROJECTION_MATRIX:
case GL_TEXTURE_MATRIX:
s = 16;
break;
break;
default:
ERR("glUtilsParamSize: unknow param 0x%08x\n", param);
s = 1; // assume 1
@@ -328,3 +362,25 @@ int glUtilsPixelBitSize(GLenum format, GLenum type)
return pixelsize;
}
int glUtilsSumArrayValues(GLint *array, GLsizei count)
{
int sum = 0;
for (int i = 0; i < count; i++) {
sum += *array;
array++;
}
return sum;
}
void glUtilsPackStrings(void *ptr, char **strings, GLint *length, GLsizei count)
{
unsigned char *p = (unsigned char *)ptr;
for (int i = 0; i < count; i++) {
memcpy(p, *strings, *length);
p += *length;
strings++;
length++;
}
}