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Add copyright message to gles_video

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This commit is contained in:
Dave 2013-04-22 20:59:37 +02:00
parent 45856fe804
commit 862e940b8c
3 changed files with 99 additions and 18 deletions
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24
raspberrypi/gles_video.c
View file

@ -1,3 +1,27 @@
/*
This file is based on Portable ZX-Spectrum emulator.
Copyright (C) 2001-2012 SMT, Dexus, Alone Coder, deathsoft, djdron, scor
C++ to C code conversion by Pate
Modified by DPR for gpsp for Raspberry Pi
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bcm_host.h"
#include "GLES/gl.h"
#include "EGL/egl.h"

23
raspberrypi/gles_video.h
View file

@ -1,3 +1,26 @@
/*
This file is based on Portable ZX-Spectrum emulator.
Copyright (C) 2001-2012 SMT, Dexus, Alone Coder, deathsoft, djdron, scor
C++ to C code conversion by Pate
Modified by DPR for gpsp for Raspberry Pi
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
void video_init(uint32_t width,uint32_t height,uint32_t filter);
void video_close();

70
raspberrypi/test/gles_video.c
View file

@ -1,3 +1,27 @@
/*
This file is based on Portable ZX-Spectrum emulator.
Copyright (C) 2001-2012 SMT, Dexus, Alone Coder, deathsoft, djdron, scor
C++ to C code conversion by Pate
Modified by DPR for gpsp for Raspberry Pi
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bcm_host.h"
#include "GLES/gl.h"
#include "EGL/egl.h"
@ -34,7 +58,7 @@ static const char* fragment_shader =
"{ \n"
" gl_FragColor = texture2D(u_texture, v_texcoord); \n"
"} \n";
/*
static const GLfloat vertices[] =
{
-0.5f, -0.5f, 0.0f,
@ -42,6 +66,14 @@ static const GLfloat vertices[] =
+0.5f, +0.5f, 0.0f,
-0.5f, +0.5f, 0.0f,
};
*/
static const GLfloat vertices[] =
{
-0.5f, -0.5f, 0.0f,
-0.5f, +0.5f, 0.0f,
+0.5f, +0.5f, 0.0f,
+0.5f, -0.5f, 0.0f,
};
#define TEX_WIDTH 1024
#define TEX_HEIGHT 512
@ -210,6 +242,16 @@ static GLfloat proj[4][4];
static GLint filter_min;
static GLint filter_mag;
void video_set_filter(uint32_t filter) {
if (filter==0) {
filter_min = GL_NEAREST;
filter_mag = GL_NEAREST;
} else {
filter_min = GL_LINEAR;
filter_mag = GL_LINEAR;
}
}
void video_init(uint32_t _width, uint32_t _height, uint32_t filter)
{
if ((_width==0)||(_height==0))
@ -218,7 +260,7 @@ void video_init(uint32_t _width, uint32_t _height, uint32_t filter)
frame_width = _width;
frame_height = _height;
bcm_host_init();
//bcm_host_init();
// get an EGL display connection
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
@ -274,7 +316,7 @@ void video_init(uint32_t _width, uint32_t _height, uint32_t filter)
DISPMANX_DISPLAY_HANDLE_T dispman_display = vc_dispmanx_display_open(0);
DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add(dispman_update, dispman_display,
0, &dst_rect, 0, &src_rect, DISPMANX_PROTECTION_NONE, NULL, NULL, DISPMANX_NO_ROTATE);
1, &dst_rect, 0, &src_rect, DISPMANX_PROTECTION_NONE, NULL, NULL, DISPMANX_NO_ROTATE);
nativewindow.element = dispman_element;
nativewindow.width = screen_width;
@ -293,21 +335,14 @@ void video_init(uint32_t _width, uint32_t _height, uint32_t filter)
int r=(screen_height*10/frame_height);
int h = (frame_height*r)/10;
int w = (frame_width*r)/10;
if (w>screen_width) {
r = (screen_width*10/frame_width);
h = (frame_height*r)/10;
w = (frame_width*r)/10;
}
glViewport((screen_width-w)/2, (screen_height-h)/2, w, h);
SetOrtho(proj, -0.5f, +0.5f, +0.5f, -0.5f, -1.0f, 1.0f, 1.0f ,1.0f );
if (filter==0) {
filter_min = GL_NEAREST;
filter_mag = GL_NEAREST;
} else if (filter==1) {
filter_min = GL_LINEAR_MIPMAP_LINEAR;
filter_mag = GL_LINEAR;
} else if (filter==2) {
filter_min = GL_LINEAR_MIPMAP_NEAREST;
filter_mag = GL_LINEAR;
}
video_set_filter(filter);
}
static void gles2_destroy()
@ -344,9 +379,8 @@ static void gles2_Draw( uint16_t *pixels)
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, frame_width, frame_height, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, pixels);
glActiveTexture(GL_TEXTURE0);
glUniform1i(shader.u_texture, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter_min);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter_mag);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter_min);
glGenerateMipmap(GL_TEXTURE_2D);
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);