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Modified glGsg to support Pointer Textures

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This commit is contained in:
Bei Yang 2009-09-07 22:47:43 +00:00
parent 52d9b08b81
commit 61bb918380
1 changed files with 32 additions and 19 deletions
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51
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -121,13 +121,19 @@ null_glBlendColor(GLclampf, GLclampf, GLclampf, GLclampf) {
CPT(Shader::ShaderFile) default_shader_name = new Shader::ShaderFile("default-shader"); CPT(Shader::ShaderFile) default_shader_name = new Shader::ShaderFile("default-shader");
CPT(Shader::ShaderFile) default_shader_body = new Shader::ShaderFile("\ CPT(Shader::ShaderFile) default_shader_body = new Shader::ShaderFile("\
uniform mediump mat4 p3d_ModelViewProjectionMatrix;\ uniform mediump mat4 p3d_ModelViewProjectionMatrix;\
attribute highp vec4 p3d_Vertex;\ attribute highp vec4 p3d_Vertex;\
void main(void) {\
gl_Position = p3d_ModelViewProjectionMatrix * p3d_Vertex;\ }\n", void main(void) {\
"void main(void) {\
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\ gl_Position = p3d_ModelViewProjectionMatrix * p3d_Vertex;\
}\n",
"void main(void) {\
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\
}\n"); }\n");
#endif #endif
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: uchar_bgr_to_rgb // Function: uchar_bgr_to_rgb
@ -8449,13 +8455,19 @@ upload_texture_image(CLP(TextureContext) *gtc,
} }
for (int n = mipmap_bias; n < num_ram_mipmap_levels; ++n) { for (int n = mipmap_bias; n < num_ram_mipmap_levels; ++n) {
const unsigned char *image_ptr = tex->get_ram_mipmap_image(n); // we grab the mipmap pointer first, if it is NULL we grab the
// normal mipmap image pointer which is a PTA_uchar
const unsigned char *image_ptr = (unsigned char*)tex->get_ram_mipmap_pointer(n);
if (image_ptr == (const unsigned char *)NULL) { if (image_ptr == (const unsigned char *)NULL) {
GLCAT.warning() CPTA_uchar ptimage = tex->get_ram_mipmap_image(n);
<< "No mipmap level " << n << " defined for " << tex->get_name() if (ptimage == (const unsigned char *)NULL) {
<< "\n"; GLCAT.warning()
// No mipmap level n; stop here. << "No mipmap level " << n << " defined for " << tex->get_name()
break; << "\n";
// No mipmap level n; stop here.
break;
}
image_ptr = ptimage;
} }
size_t image_size = tex->get_ram_mipmap_image_size(n); size_t image_size = tex->get_ram_mipmap_image_size(n);
@ -8575,17 +8587,18 @@ upload_texture_image(CLP(TextureContext) *gtc,
} }
for (int n = mipmap_bias; n < num_ram_mipmap_levels; ++n) { for (int n = mipmap_bias; n < num_ram_mipmap_levels; ++n) {
CPTA_uchar ptimage = tex->get_ram_mipmap_image(n); const unsigned char * image_ptr = (unsigned char*)tex->get_ram_mipmap_pointer(n);
if (ptimage == (const unsigned char *)NULL) { if (image_ptr == (const unsigned char *)NULL) {
if (GLCAT.is_debug()) { CPTA_uchar ptimage = tex->get_ram_mipmap_image(n);
GLCAT.debug() if (ptimage == (const unsigned char *)NULL) {
GLCAT.warning()
<< "No mipmap level " << n << " defined for " << tex->get_name() << "No mipmap level " << n << " defined for " << tex->get_name()
<< "\n"; << "\n";
// No mipmap level n; stop here.
break;
} }
// No mipmap level n; stop here. image_ptr = ptimage;
break;
} }
const unsigned char *image_ptr = ptimage;
size_t image_size = tex->get_ram_mipmap_image_size(n); size_t image_size = tex->get_ram_mipmap_image_size(n);
if (one_page_only) { if (one_page_only) {