1 #include<GLcommon/GLESvalidate.h>
2 #include<GLES/gl.h>
3 #include<GLES/glext.h>
4 #include<GLES2/gl2.h>
5 #include<GLES2/gl2ext.h>
6 #include <OpenglCodecCommon/ErrorLog.h>
7
8
textureEnum(GLenum e,unsigned int maxTex)9 bool GLESvalidate::textureEnum(GLenum e,unsigned int maxTex) {
10 return e >= GL_TEXTURE0 && e <= (GL_TEXTURE0 + maxTex);
11 }
12
pixelType(GLEScontext * ctx,GLenum type)13 bool GLESvalidate::pixelType(GLEScontext * ctx, GLenum type) {
14 if ((ctx && ctx->getCaps()->GL_EXT_PACKED_DEPTH_STENCIL) &&
15 (type == GL_UNSIGNED_INT_24_8_OES) )
16 return true;
17
18 if (ctx &&
19 (ctx->getCaps()->GL_ARB_HALF_FLOAT_PIXEL || ctx->getCaps()->GL_NV_HALF_FLOAT) &&
20 (type == GL_HALF_FLOAT_OES))
21 return true;
22
23 switch(type) {
24 case GL_UNSIGNED_BYTE:
25 case GL_UNSIGNED_SHORT_5_6_5:
26 case GL_UNSIGNED_SHORT_4_4_4_4:
27 case GL_UNSIGNED_SHORT_5_5_5_1:
28 case GL_FLOAT:
29 return true;
30 }
31 return false;
32 }
33
pixelOp(GLenum format,GLenum type)34 bool GLESvalidate::pixelOp(GLenum format,GLenum type) {
35 switch(type) {
36 case GL_UNSIGNED_SHORT_4_4_4_4:
37 case GL_UNSIGNED_SHORT_5_5_5_1:
38 return format == GL_RGBA;
39 case GL_UNSIGNED_SHORT_5_6_5:
40 return format == GL_RGB;
41 }
42 return true;
43 }
44
pixelFrmt(GLEScontext * ctx,GLenum format)45 bool GLESvalidate::pixelFrmt(GLEScontext* ctx ,GLenum format) {
46 if (ctx && ctx->getCaps()->GL_EXT_TEXTURE_FORMAT_BGRA8888 && format == GL_BGRA_EXT)
47 return true;
48 if (ctx && ctx->getCaps()->GL_EXT_PACKED_DEPTH_STENCIL && format == GL_DEPTH_STENCIL_OES)
49 return true;
50 switch(format) {
51 case GL_ALPHA:
52 case GL_RGB:
53 case GL_RGBA:
54 case GL_LUMINANCE:
55 case GL_LUMINANCE_ALPHA:
56 return true;
57 }
58 return false;
59 }
60
bufferTarget(GLenum target)61 bool GLESvalidate::bufferTarget(GLenum target) {
62 return target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER;
63 }
64
bufferParam(GLenum param)65 bool GLESvalidate::bufferParam(GLenum param) {
66 return (param == GL_BUFFER_SIZE) || (param == GL_BUFFER_USAGE);
67 }
68
drawMode(GLenum mode)69 bool GLESvalidate::drawMode(GLenum mode) {
70 switch(mode) {
71 case GL_POINTS:
72 case GL_LINE_STRIP:
73 case GL_LINE_LOOP:
74 case GL_LINES:
75 case GL_TRIANGLE_STRIP:
76 case GL_TRIANGLE_FAN:
77 case GL_TRIANGLES:
78 return true;
79 }
80 return false;
81 }
82
drawType(GLenum mode)83 bool GLESvalidate::drawType(GLenum mode) {
84 return mode == GL_UNSIGNED_BYTE ||
85 mode == GL_UNSIGNED_SHORT ||
86 mode == GL_UNSIGNED_INT;
87 }
88
textureTarget(GLenum target)89 bool GLESvalidate::textureTarget(GLenum target) {
90 return target==GL_TEXTURE_2D || target==GL_TEXTURE_CUBE_MAP;
91 }
92
textureTargetLimited(GLenum target)93 bool GLESvalidate::textureTargetLimited(GLenum target) {
94 return target==GL_TEXTURE_2D;
95 }
96
textureTargetEx(GLenum target)97 bool GLESvalidate::textureTargetEx(GLenum target) {
98 switch(target) {
99 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_OES:
100 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_OES:
101 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_OES:
102 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_OES:
103 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_OES:
104 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_OES:
105 case GL_TEXTURE_2D:
106 return true;
107 }
108 return false;
109 }
110
blendEquationMode(GLenum mode)111 bool GLESvalidate::blendEquationMode(GLenum mode){
112 return mode == GL_FUNC_ADD ||
113 mode == GL_FUNC_SUBTRACT ||
114 mode == GL_FUNC_REVERSE_SUBTRACT;
115 }
116
framebufferTarget(GLenum target)117 bool GLESvalidate::framebufferTarget(GLenum target){
118 return target == GL_FRAMEBUFFER;
119 }
120
framebufferAttachment(GLenum attachment)121 bool GLESvalidate::framebufferAttachment(GLenum attachment){
122 switch(attachment){
123 case GL_COLOR_ATTACHMENT0:
124 case GL_DEPTH_ATTACHMENT:
125 case GL_STENCIL_ATTACHMENT:
126 return true;
127 }
128 return false;
129 }
130
framebufferAttachmentParams(GLenum pname)131 bool GLESvalidate::framebufferAttachmentParams(GLenum pname){
132 switch(pname){
133 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE:
134 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
135 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
136 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
137 return true;
138 }
139 return false;
140 }
141
renderbufferTarget(GLenum target)142 bool GLESvalidate::renderbufferTarget(GLenum target){
143 return target == GL_RENDERBUFFER;
144 }
145
renderbufferParams(GLenum pname)146 bool GLESvalidate::renderbufferParams(GLenum pname){
147 switch(pname){
148 case GL_RENDERBUFFER_WIDTH:
149 case GL_RENDERBUFFER_HEIGHT:
150 case GL_RENDERBUFFER_INTERNAL_FORMAT:
151 case GL_RENDERBUFFER_RED_SIZE:
152 case GL_RENDERBUFFER_GREEN_SIZE:
153 case GL_RENDERBUFFER_BLUE_SIZE:
154 case GL_RENDERBUFFER_ALPHA_SIZE:
155 case GL_RENDERBUFFER_DEPTH_SIZE:
156 case GL_RENDERBUFFER_STENCIL_SIZE:
157 return true;
158 }
159 return false;
160 }
161
texImgDim(GLsizei width,GLsizei height,int maxTexSize)162 bool GLESvalidate::texImgDim(GLsizei width,GLsizei height,int maxTexSize) {
163
164 if( width < 0 || height < 0 || width > maxTexSize || height > maxTexSize)
165 return false;
166 return isPowerOf2(width) && isPowerOf2(height);
167 }
168
169